EP0778058A2 - Skate with in-line wheels - Google Patents
Skate with in-line wheels Download PDFInfo
- Publication number
- EP0778058A2 EP0778058A2 EP96118467A EP96118467A EP0778058A2 EP 0778058 A2 EP0778058 A2 EP 0778058A2 EP 96118467 A EP96118467 A EP 96118467A EP 96118467 A EP96118467 A EP 96118467A EP 0778058 A2 EP0778058 A2 EP 0778058A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- frame
- wings
- skate according
- skate
- wheels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/14—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches
- A63C17/1436—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches contacting the ground
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/04—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs
- A63C17/06—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type
- A63C17/061—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type with relative movement of sub-parts on the chassis
- A63C17/062—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type with relative movement of sub-parts on the chassis with a pivotal frame or cradle around transversal axis for relative movements of the wheels
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/04—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs
- A63C17/06—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type
- A63C17/065—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type with movements during use of the foot plate or shoe relative to the chassis, e.g. inline clap skate
Definitions
- the present invention relates to a skate with in-line wheels.
- Conventional in-line roller skates comprise a shoe comprising a quarter articulated to a shell, which has a rigid sole that is associated, in a downward region, with a usually U-shaped support or frame between the wings whereof wheels are pivoted.
- the wheels are thus arranged in line with respect to each other.
- the user in fact tends to transmit forces mainly at the region of the foot sole lying below the metatarsal region, but the rigidity of the support and of the sole of the shoe instead force him, during thrusting, to fully rest the foot sole on the shoe sole, so that the transmitted forces are divided between the wheels that are pivoted at the front and the wheels that are pivoted at the rear, with a consequent loss of effectiveness in thrusting.
- European Patent Application No.95108085.2 filed May 26, 1995 discloses a roller skate with improved fit that is constituted by a first front body, for resting and locking the front part of the foot, and by a second rear body, for resting and locking at least the heel.
- the first body and the second body are transversely rotationally associated to each other in a region that lies approximately above the pre-arch portion of the foot and in the interspace that lies between a first supporting frame and a second supporting frame for one or more wheels associated with said frames in a downward region.
- the articulation point must therefore absorb all these applied stresses and at the same time ensure the rotation and rigidity of the shoe and good stability of the foot; however, these conditions cannot all be met simultaneously.
- the user is also forced to increase the force in order to achieve optimum stability of the skate, with consequent tiring during exercise and reduction in comfort throughout sports practice.
- a principal aim of the present invention is therefore to solve the described problems, eliminating the drawbacks of the cited prior art by providing a skate that allows the user to transmit forces in an optimum manner during thrusting, at the same time allowing a correct anatomical movement of the foot.
- an important object is to provide a skate that allows to transmit efforts during thrusting selectively only at the front part of the foot, at the same time allowing to achieve optimum lateral support of the skate during all phases of sports practice.
- Another object is to provide a skate having increased operating sensitivity and comfort, particularly during periods of maximum thrusting.
- Another important object is to provide a skate that allows to achieve the necessary assurances of stability for the user throughout sports practice.
- Another object is to provide a skate that can be produced at low costs and with conventional machines and equipment.
- a skate with in-line wheels characterized in that it comprises a first member and a second member, at least one of said members being adapted to support a plurality of in-line wheels, said first member being rotatably associated with said second member.
- the reference numeral 1 designates a skate that is constituted by a first front body 2 that forms the tip 3 of a shell 4 that surrounds the front region of the foot and locks it, and has an upper longitudinal slot 5.
- a first supporting frame 6 is associated below the first body 2 in the particular illustrated embodiment; said frame is substantially U-shaped, and at least two first in-line wheels 8 are rotatably associated between the first wings 7a and 7b of said frame 6.
- the skate comprises a second rear body 9 that is constituted by a heel cup 10 that wraps around part of the leg and of the foot up to the vicinity of the foot flexing region; a cuff 12 that wraps around the tibial region is optionally but not necessarily pivoted laterally to said heel cup at an adapted pair of studs 11.
- the second rear body 9 also has a longitudinal front opening 13 for the insertion of, for example, a soft innerboot or directly of the user's foot; the foot is secured by adapted levers 14 that transversely connect the flaps 15a and 15b of the second rear body 9.
- An adapted brake 16 can be associated at the cuff 12 and has a pad 17 that interacts with the ground when said cuff is rotated backwards.
- a second supporting frame 18 is associated below the heel region of the second body 9; in a transverse cross-section said frame is U-shaped, and second in-line wheels 20 are rotatably associated between the second wings 19a and 19b of said second frame.
- the first body and the second body, as well as the first and second supporting frames, are transversely and rotatably associated together, and guiding and sliding means are provided on said first and second frames.
- Rotary coupling is allowed by the presence of a plurality of first tabs 21 that protrude downward and axially with respect to the first body 2, both in the interspace lying between the two first wings 7a and 7b of the first frame 6 and outside the frame, and by a plurality of second tabs 22, which protrude downward and axially at the end of the second body 2 that is directed towards the first body 6, both in the interspace lying between the second wings 19a and 19b and in a region lying outside them.
- the first and second tabs therefore have a comb-shaped configuration and can be arranged adjacent to each other when the first body 2 is joined axially to the second body 9.
- Third tabs 23 protrude, at the end of the second body 9 that has the second tabs 22, below the second wings 19a and 19b and outside them.
- first holes 27, second hole 28, third holes 29, fourth holes 30, and fifth holes 31 are formed, along the same axis 26, on the first, second, and third tabs, as well as on the first ends 24 and on the second ends 25 of the first frame 6 and of the second frame 18; all of said holes form a seat for a first pivot 32.
- Said first pivot 32 has a head 33 that abuts against one of the third tabs 23 and a stem that is internally threaded, at the other end, for coupling to a complementarily threaded first screw 34 that abuts at the other third tab 23.
- the skate furthermore comprises guiding and sliding means provided on the first and on the second frames; said means are constituted by a second pivot 35 that passes at two sixth holes 36 formed at the ends of the first wings 7a and 7b that partially laterally wrap around the corresponding ends of the second wings 19a and 19b of the second frame 18.
- the sliding of the first and second ends of the first and second frames is allowed by the presence of two adapted slots 37 that are formed on the ends of the second wings 19a and 19b; said slots have a curved shape that allows the second body 9 to rise from the ground during thrusting, when the first wheels 8 are in contact with said ground.
- the two slots 37 are of course formed on the second wings 19a and 19b at the sixth holes 36 provided on the first wings 7a and 7b of the first frame 6.
- a seventh hole 38 and an eighth hole 39 are advantageously formed, respectively on the first wings and on the second wings of the first and second frames, so that they are adjacent to the sixth holes 36 and to the pair of slots 37; said holes 38 and 39 have the same axis when both the first wheels 8 and the second wheels 20 interact with the ground and therefore when the skate is in a horizontal condition.
- the first pivot 32 and the second pivot 35 of course act at the interspace between a first wheel 8 and a second wheel 20 that are adjacent to each other.
- the skater can achieve optimum lateral thrusting, since the second body can rotate, rising from the ground, allowing to concentrate the forces on the first wheels 8, while lateral forces can still be transmitted by virtue of the partial overlap of the first and second wings of the first and second frames; the sliding of the second pivot 35 in the slot 37 allows to achieve guided lifting of the second frame 18 with respect to the first frame 6.
- the invention has achieved the intended aim and objects, a skate having been obtained which allows the user to transmit forces in an optimum manner during thrusting, at the same time allowing a correct anatomical movement of the foot; during thrusting, said forces can be selectively concentrated exclusively at the front part of the foot, at the same time allowing to achieve optimum lateral containment of the skate throughout sports practice.
- figure 7 illustrates a second embodiment, in which the reference numeral 101 designates a skate constituted by a shell 102 with which a quarter, not shown, can be articulated at the malleolar region by means of appropriate studs or rivets.
- the shell 102 is constituted by a first body 109a, which is U-shaped in transverse cross-section and is constituted by a first flat support 131a, from which two lateral shoulders protrude upwardly; said shoulders allow to contain the front part of a shoe 130 or the foot at the tip region 105.
- the first body 109a has a first strap 132a the ends whereof are associable with the two lateral shoulders; said first band 132a allows to secure the shoe 130 or the foot.
- the shell 102 has a second body 109b, which is constituted by a second flat support 131b, from which a heel cup protrudes perimetrically and upwardly and is adapted to contain at least the heel region 115 of the shoe 130.
- the second body 109b has a second strap 132b the ends whereof are laterally associated with the heel cup; said strap provides securing at the foot instep region 133.
- the first and second bodies 109a and 109b can be transversely and rotatably associated, at their ends which can be placed adjacent to each other, by means of a hinge-like articulation that comprises an adapted screw or a connecting pivot 134.
- a first frame 110a and a second frame 110b are associated respectively with the first body 109a and with the second body 109b; both frames are U-shaped, and at least two first and second wheels 111a and 111b, 114a and 114b are respectively pivoted between the first and second wings, which protrude downwardly, of said frames.
- the center distance of the second wings of the second frame 110b is smaller than the center distance of the first wings of the first frame 110a, so as to allow the partial insertion and adjacent arrangement of the second wings with respect to the first wings on an approximately parallel plane.
- the first frame 110a and the second frame 110b have means 116 for mutual guiding and sliding.
- Said means 116 are constituted by a pin 117 that is associated and blended, at right angles, with the tips of the first wings of the first frame 110a in a region that is intermediate between two of said first and second wheels that are adjacent to each other; the first pin 117 slides at a slot 118 that is formed on the second wings of the second frame 110b that are arranged adjacent to the first wings of the first frame 110a.
- the slot 118 is arc-shaped, with its concavity directed at the tip region 105.
- the reference numeral 201 designates a skate constituted by a shell 202, to which it is possible to articulate a quarter 203 associated at the malleolar region by means of appropriate studs or rivets.
- the shell 202 is formed monolithically, is preferably made of plastics, and has a lower region that forms a sole 204.
- a first frame 206 is associated below the sole 204 in the metatarsal region 205 and is U-shaped in transverse cross-section; at least one pair of first wheels 208a and 208b is pivoted between the first wings 207a and 207b of said first frame, which protrude towards the ground.
- the first frame 206 has a first base 209 for connecting the first wings 207a and 207b; said base is perforated, so as to form a seat for the positioning of a first tab 210 in said base, and said first tab protrudes below the sole 204 in the metatarsal region 205.
- a pair of second tabs 211a and 211b also protrudes below the sole 204 so as to lie approximately parallel to the first tab; said second tabs are arranged externally with respect to the first wings 207a and 207b of the first frame.
- a second frame 213 is associated below the sole 204, approximately at the heel region 212; said second frame, too, is U-shaped in transverse cross-section, forming a second base 214 for anchoring to the sole 204, two second wings 215a and 215b protruding from said second base, at least one pair of second wheels 216a and 216b being pivoted between said second wings.
- An adapted brake 217 is advantageously associable at the quarter 203 and has a pad 218 that interacts with the ground when said cuff is rotated backwards.
- a first hole 219 and second holes 220a, 220b are formed, along the same axis, respectively at the first tab 210 and at the second tabs 211a and 211b; said holes accommodate a pivot 221 that also passes at adapted third holes 222a and 222b formed at the first wings 207a and 207b of the first frame 206 proximate to the first base 209.
- At least one means adapted to limit the oscillation of the second frame 213 and/or of the shell 202 is interposed between the lower surface of the sole 204 and the first base 209; the means is constituted by a flexible insert 223 that is preferably rectangular in plan view and has a hole which allows the insertion of the first tab 210.
- the second frame 213 has two third tabs 224a and 224b that protrude from the second wings 215a and 215b towards the first frame 206 and have such a length and size as to be arranged laterally adjacent outside the second tabs 211a and 211b that protrude from the sole 204 and the ends of the first wings 207a and 207b of the first frame that are adjacent to the first base 209.
- the profiles of the first wings and of the pair of third tabs have narrower portions that allow to contain the length of the pivot 221.
- Said two third tabs 224a and 224b are slightly curved towards the sole 204, and are perforated at the tip in order to be pivoted to the pivot 221.
- the skater can lift the second frame 213 by the presence of the pair of third tabs 224a and 224b, localizing forces exclusively at the first frame 206 and therefore at the first wheels 208a and 208b.
- the invention has achieved the intended aim and objects, since it is adapted to transmit forces in an optimum manner during thrusting and at the same time allows a correct anatomical movement of the foot.
- the presence of the pair of third tabs in fact allows, while having a monolithic shell, to lift the second frame, so that the user can transmit forces, during thrusting, selectively only at the front part of the foot, at the same time allowing to achieve optimum lateral containment and rigidity of the entire skate throughout sports practice.
- the reference numeral 301 designates a skate constituted by a shell 302, whereto it is possible to articulate a quarter 203 associated at the malleolar region by means of appropriate studs or rivets.
- the shell 302 is formed monolithically, is preferably made of plastics, and has a lower region that forms a sole 304.
- a first frame 306 is associated below the sole 304 in the metatarsal region 305 and is U-shaped in transverse cross-section; at least one pair of first wheels 308a and 308b is pivoted between the first wings 307a and 307b of said first frame, which protrude towards the ground.
- the first frame 306 has a first base 309 for interconnecting the first wings 307a and 307b; said base is perforated, so as to form a seat for the positioning of a first tab 310 in said base, and said first tab protrudes below the sole 304 in the metatarsal region 305.
- a pair of second tabs 311a and 311b also protrudes below the sole 304 so as to lie approximately parallel to the first tab; said second tabs are arranged externally with respect to the first wings 307a and 307b of the first frame.
- a second frame 313 is also associated below the sole 304, approximately at the heel region 312; said second frame, too, is U-shaped in transverse cross-section, forming a second base 314 for anchoring to the sole 304, two second wings 315 protruding from said second base; at least one pair of second wheels 316a and 316b is pivoted between said second wings.
- An adapted brake 317 is advantageously associable at the quarter 303 and has a pad 318 which interacts with the ground when said cuff is rotated backwards.
- a first hole 319 and second holes 320a, 320b are formed, along the same axis, respectively at the first tab 310 and at the second tabs 311a and 311b; said holes accommodate a pivot 21 that also passes at adapted third holes 322a and 322b formed at the first wings 307a and 307b of the first frame 306 proximate to the first base 309.
- At least one means adapted to limit the oscillation of the second frame 313 and/or of the shell 302 is interposed between the lower surface of the sole 304 and the first base 309; said means is constituted by a flexible insert 323 which is preferably rectangular in plan view and has a hole that allows the insertion of the first tab 310.
- the skate also has a rigid connecting element 324 that is adapted to connect the first frame, the second frame, and the shell one another; said connecting element is constituted by two profiles that are L-shaped and therefore have respective third wings 325 and fourth wings 326; the tips of said wings are pivoted respectively at the pivot 321 and at the pivoting axis of the second wheel 316a of the second frame 313 that is adjacent to the first frame 306, which is arranged in front.
- the profiles constituting the connecting element are arranged outside the first and second frames.
- the third wings 325 and the fourth wings 326 are thus arranged approximately parallel to the first wings 307a and 307b and to the second wings 315 of the respective first and second frames, so as to allow mutual sliding.
- the elbow of the connecting element 324 which joins the third wing 325 and the fourth wing 326, is furthermore arranged approximately at the first wheel 308b of the first frame 306 that is adjacent to the second frame 313, where each profile is pivoted at the first wheel 308b and therefore between the first wings 307a and 307b of the first frame 306.
- Additional means for limiting the oscillation of the second frame and/or of the shell are constituted by at least one lug 327 that protrudes at least from one of the first wings 307a and 307b in a region lying to the rear of the perimetric edge of the third wings 325 that is directed towards the heel region 312; said lug is arranged so as to abut against the perimetric edge of the third wings 325 in the inactive condition in which all the wheels rest on the ground.
- the operation of the invention is as follows: during thrusting, which is shown schematically in figure 14, the skater can lift the second frame 313 by the presence of the connecting element 324, localizing forces exclusively at the first frame 306 and therefore at the first wheels 308a and 308b.
- L-shaped profile for the connecting element allows to shift the rotation point at the axis of the first wheel of the first frame and therefore in a point that is very close to the ground and is anatomically favorable for the rotation of the foot during thrusting.
- the invention has achieved the intended aim and objects, since it is adapted to transmit forces in an optimum manner during thrusting and at the same time allows a correct anatomical movement of the foot.
- the connecting element in fact allows, while having a monolithic shell, to lift the second frame, so that the user can transmit forces, during thrusting, selectively only at the front part of the foot, at the same time allowing to achieve optimum lateral containment and rigidity of the entire skate throughout sports practice.
- the reference numeral 401 designates a skate constituted by a shell 402, to which it is possible to articulate a quarter 403 that is associated at the malleolar region by means of appropriate studs or rivets.
- the shell 402 is formed monolithically, is preferably made of plastics, and has a lower region that forms a sole 404.
- the shell 402 has, proximate to the tip region 405, an articulation 406 constituted by a slit that is formed on an approximately transverse plane starting from the vicinity of the sole 404; said slit forms a first flap 407a and a second flap 407b having such a shape as to allow their partial overlap, even in the inactive condition, and particularly the insertion of the first flap 407a in the second flap 407b.
- the first and second flaps 407a and 407b have, proximate to the sole 404, a curved shape that is adapted to form a circular recess 408; said recess 408 allows to improve the flexibility, and therefore the overlap, of said first and second flaps 407a and 407b.
- the articulation 406 forms, for the shell 402, a first front body 409a that is arranged at the tip region 405 starting from the flap 407a; said first body 409a allows to contain and secure the front part of the foot.
- the articulation 406 also forms a second body 409b which, starting from the second flap 407b, allows to contain and secure the rear part of the user's foot.
- a first frame 410a is associated in a downward region with the first body 409a; the transverse cross-section of said frame is U-shaped, and at least one pair of first wheels 411a and 411b is pivoted between the first wings of said frame, which protrude downwards.
- the first frame 410a is constituted by a first flat base 412a for connecting the first wings, which is connected below the sole 404 through the interposition of adapted connecting means, such as rivets, that are accommodated in a complementarily shaped first seat 413a that is formed on the sole 404 that lies below the first body 409a.
- the first wings of the first frame 410a protrude in the opposite direction with respect to the tip region 405.
- a second frame 410b is also associated, in a downward region, with the second body 409b in the region of the heel 415; said second frame is U-shaped in a transverse cross-section, and at least one second pair of wheels 414a and 414b is pivoted between its second wings, which protrude below a second connecting base 412b.
- the second base 412b is connected to the sole 404 through the interposition of adapted connecting means, such as rivets or couplings inserted at a complementarily shaped second seat 413b formed on the sole 404 at the heel region 415.
- adapted connecting means such as rivets or couplings inserted at a complementarily shaped second seat 413b formed on the sole 404 at the heel region 415.
- the second base 412b is preferably narrower than the first base 412a, so as to allow the partial insertion and adjacent arrangement, along approximately parallel planes, of the second wings of the second frame 410b with respect to the first wings of the first frame 410a.
- the first and second frames 410a and 410b have means 416 for their mutual guiding and sliding.
- Said means 416 are constituted by a pivot 417 that is associated and blended at right angles with respect to the tips of the first wings of the first frame 410a in a region that is intermediate between two of said first and second wheels that are adjacent to each other; the first pivot 417 slides at a slot 418 that is formed on the second wings of the second frame 410b that are adjacent to the first wings of the first frame 410a.
- the slot 418 has a curved shape, the concavity whereof is directed at the tip region 405.
- the pivot 417 can be arranged at the upper end of the slot 418 if the pair of first wheels 411a and 411b and the pair of second wheels 414a and 414b rest on the ground, generally designated by the reference numeral 419; during thrusting, instead, as shown in figure 17, the foot flexes, and the second body 409b and therefore the second frame 410b rise, forcing the sliding of the pivot 417 inside the slot 418 until it reaches the lower end of said slot, which constitutes a stroke limiter.
- the first frame 410a and the second frame 410b have, on each one of said first and second wings, respectively a first hole 420a and a second hole 420b, which have the same axis in the inactive condition, are arranged above the means 416, and allow the insertion of a pivot or screw that allows to lock the skate 401 in the horizontal condition, so that the pair of first and second wheels 411a and 411b, 414a and 414b rest on the ground 419 so as to prevent, according to the user's requirements, the rotation of the skate 401.
- a conventional brake 421 is associated with the skate 401 to the rear.
- the operation of the skate is as follows: during thrusting, the flexing of the foot and the rise of the rear part thereof is allowed by the articulation 406 formed on the shell 402, which is provided by the mutual overlap of the first and second flaps 407a and 407b of the first and second bodies 409a and 409b.
- connection of the second body 409b to the second frame 410b allows the latter to rise with respect to the ground 419, whereas the sliding of the pivot 417 in the slot 418 allows guided lifting.
- the invention has achieved the intended aim and objects, said invention being adapted to transmit forces in an optimum manner during thrusting, at the same time allowing a correct anatomical movement of the foot; the articulation 406 provided on the shell 402 in fact allows to flex the foot naturally, producing more thrust for an equal physical effort.
- the sliding and guiding means 416 allow to lift the second frame 410b so that the user can thus transmit forces, during thrusting, selectively and exclusively at the front region of the foot; at the same time, said means 416 allow to achieve optimum lateral containment and rigidity of the entire skate throughout sports practice.
- Figure 18 illustrates still a further embodiment, in which the numeral 501 designates a skate constituted by a shell 502.
- the shell 502 is constituted by a first front body 509a, which is arranged proximate to the toe region 505 and adapted to surround it, and by a separate second rear body 509b, to which a quarter 503 can be articulated.
- the first and second bodies 509a and 509b have, respectively, a first sole 504a and a second sole 504b which are transversely and rotatably associated with each other, at their ends that can be arranged mutually adjacent, by means of a hinge-like articulation that comprises an adapted transverse connecting screw or pivot 534.
- the first and second bodies 509a and 509b have, respectively, a first flap 507a and a second flap 507b, which have such a shape as to allow their partial overlap, even in the inactive condition, and particularly the insertion of the first flap 507a in the second flap 507b.
- a frame 510 is associated below the first body 509a and has a U-shaped transverse cross-section; at least one pair of first and second wheels, designated respectively by the reference numerals 511a and 511b, 514a and 514b, is pivoted between the first wings of said frame, which protrude downwardly.
- the frame 510 is connected, in a downward region, to the first sole 504a of the first body 509a through the interposition of adapted connecting means, such as rivets or couplings, that are accommodated in a complementarily shaped seat 513 formed on said first sole 504a.
- adapted connecting means such as rivets or couplings
- the materials and the dimensions constituting the individual components of the skate according to the invention may be the most appropriate according to the specific requirements.
Abstract
Description
- The present invention relates to a skate with in-line wheels.
- Conventional in-line roller skates comprise a shoe comprising a quarter articulated to a shell, which has a rigid sole that is associated, in a downward region, with a usually U-shaped support or frame between the wings whereof wheels are pivoted. The wheels are thus arranged in line with respect to each other.
- These conventional skates have some drawbacks: when skating, and particularly during thrusting, difficulties are in fact encountered in optimally and completely transferring the thrust imparted by the user, thus decreasing the effectiveness of the thrust and the comfort for the foot.
- The user in fact tends to transmit forces mainly at the region of the foot sole lying below the metatarsal region, but the rigidity of the support and of the sole of the shoe instead force him, during thrusting, to fully rest the foot sole on the shoe sole, so that the transmitted forces are divided between the wheels that are pivoted at the front and the wheels that are pivoted at the rear, with a consequent loss of effectiveness in thrusting.
- European Patent Application No.95108085.2 filed May 26, 1995 discloses a roller skate with improved fit that is constituted by a first front body, for resting and locking the front part of the foot, and by a second rear body, for resting and locking at least the heel.
- The first body and the second body are transversely rotationally associated to each other in a region that lies approximately above the pre-arch portion of the foot and in the interspace that lies between a first supporting frame and a second supporting frame for one or more wheels associated with said frames in a downward region.
- Although this solution allows articulation of the shoe, it nonetheless has drawbacks: in fact, the rotation, stability, and overall rigidity of the skate are correlated only to the articulation point, which is not sufficient for their optimization.
- These drawbacks are increased by the fact that during sports practice the skate is subjected, during periods of maximum thrusting, to continuous and often violent lateral stresses, as can occur for example when skating along a curve or during slalom skating or in particular during so-called "side-slip" braking.
- The articulation point must therefore absorb all these applied stresses and at the same time ensure the rotation and rigidity of the shoe and good stability of the foot; however, these conditions cannot all be met simultaneously.
- During skating, the foot is in fact subjected to considerable vibrations and lateral stresses that accordingly decrease the user's sensitivity in utilization and the lateral stability of the implement.
- The user is also forced to increase the force in order to achieve optimum stability of the skate, with consequent tiring during exercise and reduction in comfort throughout sports practice.
- A principal aim of the present invention is therefore to solve the described problems, eliminating the drawbacks of the cited prior art by providing a skate that allows the user to transmit forces in an optimum manner during thrusting, at the same time allowing a correct anatomical movement of the foot.
- Within the scope of this aim, an important object is to provide a skate that allows to transmit efforts during thrusting selectively only at the front part of the foot, at the same time allowing to achieve optimum lateral support of the skate during all phases of sports practice.
- Another object is to provide a skate having increased operating sensitivity and comfort, particularly during periods of maximum thrusting.
- Another important object is to provide a skate that allows to achieve the necessary assurances of stability for the user throughout sports practice.
- Another object is to provide a skate that can be produced at low costs and with conventional machines and equipment.
- This aim, these objects, and others that will become apparent hereinafter are achieved by a skate with in-line wheels characterized in that it comprises a first member and a second member, at least one of said members being adapted to support a plurality of in-line wheels, said first member being rotatably associated with said second member.
- Further characteristics and advantages of the invention will become apparent from the following detailed description of a particular embodiment thereof, illustrated only by way of non-limitative example in the accompanying drawings, wherein:
- figure 1 is an exploded view of the skate, wherein, for the sake of clarity, the third tabs that protrude from the first body have been omitted;
- figure 2 is a side view of the skate, in which all the wheels touch the ground;
- figure 3 is a sectional view, taken along the plane III-III of figure 2;
- figure 4 is a sectional view, taken along the plane IV-IV of figure 2;
- figure 5 is a partially sectional bottom view of the skate;
- figure 6 is a view, similar to figure 2, of the skate during thrusting;
- figure 7 is a view of a further embodiment;
- figure 8 is a side view of the skate with in-line wheels in the inactive condition;
- figure 9 is a partially sectional top view, taken at the tip region of the shell;
- figure 10 is a side view of the skate during thrusting while skating;
- figure 11 is a sectional view, taken along the plane XI-XI of figure 10;
- figure 12 is a side view of the skate with in-line wheels in the inactive condition;
- figure 13 is a sectional view, taken along the plane XIII-XIII of figure 12;
- figure 14 is a side view of the skate during thrusting while skating;
- figure 15 is a sectional view, taken along the plane XV-XV of figure 14;
- figure 16 is a partially sectional side view of the skate with in-line wheels;
- figure 17 is a view of the skate of figure 16 in the thrusting step during sports practice;
- figure 18 is a partially sectional side view of still a further embodiment of the skate.
- With reference to the above figures, the reference numeral 1 designates a skate that is constituted by a first front body 2 that forms the
tip 3 of a shell 4 that surrounds the front region of the foot and locks it, and has an upperlongitudinal slot 5. - A first supporting
frame 6 is associated below the first body 2 in the particular illustrated embodiment; said frame is substantially U-shaped, and at least two first in-line wheels 8 are rotatably associated between thefirst wings 7a and 7b of saidframe 6. - The skate comprises a second
rear body 9 that is constituted by aheel cup 10 that wraps around part of the leg and of the foot up to the vicinity of the foot flexing region; acuff 12 that wraps around the tibial region is optionally but not necessarily pivoted laterally to said heel cup at an adapted pair of studs 11. - The second
rear body 9 also has alongitudinal front opening 13 for the insertion of, for example, a soft innerboot or directly of the user's foot; the foot is secured by adaptedlevers 14 that transversely connect theflaps 15a and 15b of the secondrear body 9. - An adapted
brake 16 can be associated at thecuff 12 and has apad 17 that interacts with the ground when said cuff is rotated backwards. - A second supporting
frame 18 is associated below the heel region of thesecond body 9; in a transverse cross-section said frame is U-shaped, and second in-line wheels 20 are rotatably associated between thesecond wings - The first body and the second body, as well as the first and second supporting frames, are transversely and rotatably associated together, and guiding and sliding means are provided on said first and second frames.
- Rotary coupling is allowed by the presence of a plurality of
first tabs 21 that protrude downward and axially with respect to the first body 2, both in the interspace lying between the twofirst wings 7a and 7b of thefirst frame 6 and outside the frame, and by a plurality ofsecond tabs 22, which protrude downward and axially at the end of the second body 2 that is directed towards thefirst body 6, both in the interspace lying between thesecond wings - The first and second tabs therefore have a comb-shaped configuration and can be arranged adjacent to each other when the first body 2 is joined axially to the
second body 9. -
Third tabs 23 protrude, at the end of thesecond body 9 that has thesecond tabs 22, below thesecond wings - Adapted
first holes 27,second hole 28,third holes 29,fourth holes 30, andfifth holes 31 are formed, along thesame axis 26, on the first, second, and third tabs, as well as on thefirst ends 24 and on thesecond ends 25 of thefirst frame 6 and of thesecond frame 18; all of said holes form a seat for afirst pivot 32. - Said
first pivot 32 has ahead 33 that abuts against one of thethird tabs 23 and a stem that is internally threaded, at the other end, for coupling to a complementarily threadedfirst screw 34 that abuts at the otherthird tab 23. - The skate furthermore comprises guiding and sliding means provided on the first and on the second frames; said means are constituted by a
second pivot 35 that passes at twosixth holes 36 formed at the ends of thefirst wings 7a and 7b that partially laterally wrap around the corresponding ends of thesecond wings second frame 18. - The sliding of the first and second ends of the first and second frames is allowed by the presence of two adapted
slots 37 that are formed on the ends of thesecond wings second body 9 to rise from the ground during thrusting, when thefirst wheels 8 are in contact with said ground. - The two
slots 37 are of course formed on thesecond wings sixth holes 36 provided on thefirst wings 7a and 7b of thefirst frame 6. - A
seventh hole 38 and aneighth hole 39 are advantageously formed, respectively on the first wings and on the second wings of the first and second frames, so that they are adjacent to thesixth holes 36 and to the pair ofslots 37; saidholes first wheels 8 and thesecond wheels 20 interact with the ground and therefore when the skate is in a horizontal condition. - In this condition it is thus possible, by inserting a pin or pivot in the
seventh hole 38 and in theeighth hole 39, to lock the sliding of the first and second frames, which therefore cannot rotate at theaxis 26. - The
first pivot 32 and thesecond pivot 35 of course act at the interspace between afirst wheel 8 and asecond wheel 20 that are adjacent to each other. - Use of the invention is thus as follows: once the first and second frames and the first and second bodies have been associated one another by means of the
first pivot 32 and thesecond pivot 35, the skater can achieve optimum lateral thrusting, since the second body can rotate, rising from the ground, allowing to concentrate the forces on thefirst wheels 8, while lateral forces can still be transmitted by virtue of the partial overlap of the first and second wings of the first and second frames; the sliding of thesecond pivot 35 in theslot 37 allows to achieve guided lifting of thesecond frame 18 with respect to thefirst frame 6. - It has thus been observed that the invention has achieved the intended aim and objects, a skate having been obtained which allows the user to transmit forces in an optimum manner during thrusting, at the same time allowing a correct anatomical movement of the foot; during thrusting, said forces can be selectively concentrated exclusively at the front part of the foot, at the same time allowing to achieve optimum lateral containment of the skate throughout sports practice.
- The invention is of course susceptible of numerous modifications and variations, all of which are within the scope of the same inventive concept.
- Thus, for example, figure 7 illustrates a second embodiment, in which the reference numeral 101 designates a skate constituted by a
shell 102 with which a quarter, not shown, can be articulated at the malleolar region by means of appropriate studs or rivets. - The
shell 102 is constituted by afirst body 109a, which is U-shaped in transverse cross-section and is constituted by a firstflat support 131a, from which two lateral shoulders protrude upwardly; said shoulders allow to contain the front part of a shoe 130 or the foot at thetip region 105. - The
first body 109a has afirst strap 132a the ends whereof are associable with the two lateral shoulders; saidfirst band 132a allows to secure the shoe 130 or the foot. - The
shell 102 has a second body 109b, which is constituted by a second flat support 131b, from which a heel cup protrudes perimetrically and upwardly and is adapted to contain at least theheel region 115 of the shoe 130. - The second body 109b has a second strap 132b the ends whereof are laterally associated with the heel cup; said strap provides securing at the
foot instep region 133. - The first and
second bodies 109a and 109b can be transversely and rotatably associated, at their ends which can be placed adjacent to each other, by means of a hinge-like articulation that comprises an adapted screw or a connectingpivot 134. - A first frame 110a and a second frame 110b are associated respectively with the
first body 109a and with the second body 109b; both frames are U-shaped, and at least two first and second wheels 111a and 111b, 114a and 114b are respectively pivoted between the first and second wings, which protrude downwardly, of said frames. - The center distance of the second wings of the second frame 110b is smaller than the center distance of the first wings of the first frame 110a, so as to allow the partial insertion and adjacent arrangement of the second wings with respect to the first wings on an approximately parallel plane.
- The first frame 110a and the second frame 110b have means 116 for mutual guiding and sliding.
- Said means 116 are constituted by a
pin 117 that is associated and blended, at right angles, with the tips of the first wings of the first frame 110a in a region that is intermediate between two of said first and second wheels that are adjacent to each other; thefirst pin 117 slides at aslot 118 that is formed on the second wings of the second frame 110b that are arranged adjacent to the first wings of the first frame 110a. - The
slot 118 is arc-shaped, with its concavity directed at thetip region 105. - This solution, too, allows to achieve the intended aim and objects.
- With reference to figures 8-10, the
reference numeral 201 designates a skate constituted by ashell 202, to which it is possible to articulate aquarter 203 associated at the malleolar region by means of appropriate studs or rivets. - The
shell 202 is formed monolithically, is preferably made of plastics, and has a lower region that forms a sole 204. - A
first frame 206 is associated below the sole 204 in themetatarsal region 205 and is U-shaped in transverse cross-section; at least one pair offirst wheels 208a and 208b is pivoted between thefirst wings 207a and 207b of said first frame, which protrude towards the ground. - The
first frame 206 has afirst base 209 for connecting thefirst wings 207a and 207b; said base is perforated, so as to form a seat for the positioning of afirst tab 210 in said base, and said first tab protrudes below the sole 204 in themetatarsal region 205. - A pair of
second tabs 211a and 211b also protrudes below the sole 204 so as to lie approximately parallel to the first tab; said second tabs are arranged externally with respect to thefirst wings 207a and 207b of the first frame. - A
second frame 213 is associated below the sole 204, approximately at theheel region 212; said second frame, too, is U-shaped in transverse cross-section, forming asecond base 214 for anchoring to the sole 204, two second wings 215a and 215b protruding from said second base, at least one pair ofsecond wheels 216a and 216b being pivoted between said second wings. - An adapted
brake 217 is advantageously associable at thequarter 203 and has apad 218 that interacts with the ground when said cuff is rotated backwards. - A first hole 219 and
second holes 220a, 220b are formed, along the same axis, respectively at thefirst tab 210 and at thesecond tabs 211a and 211b; said holes accommodate apivot 221 that also passes at adapted third holes 222a and 222b formed at thefirst wings 207a and 207b of thefirst frame 206 proximate to thefirst base 209. - At least one means adapted to limit the oscillation of the
second frame 213 and/or of theshell 202 is interposed between the lower surface of the sole 204 and thefirst base 209; the means is constituted by aflexible insert 223 that is preferably rectangular in plan view and has a hole which allows the insertion of thefirst tab 210. - The
second frame 213 has twothird tabs 224a and 224b that protrude from the second wings 215a and 215b towards thefirst frame 206 and have such a length and size as to be arranged laterally adjacent outside thesecond tabs 211a and 211b that protrude from the sole 204 and the ends of thefirst wings 207a and 207b of the first frame that are adjacent to thefirst base 209. - Advantageously, the profiles of the first wings and of the pair of third tabs have narrower portions that allow to contain the length of the
pivot 221. - Said two
third tabs 224a and 224b are slightly curved towards the sole 204, and are perforated at the tip in order to be pivoted to thepivot 221. - The operation of the invention is as follows: during thrusting, which is shown schematically in figure 10, the skater can lift the
second frame 213 by the presence of the pair ofthird tabs 224a and 224b, localizing forces exclusively at thefirst frame 206 and therefore at thefirst wheels 208a and 208b. - Furthermore, use of the particular configuration of the second frame and of the pair of third tabs allows to shift the rotation point at the axis of the
pivot 221 directly below the sole of the shell. - It has been observed that the invention has achieved the intended aim and objects, since it is adapted to transmit forces in an optimum manner during thrusting and at the same time allows a correct anatomical movement of the foot.
- The presence of the pair of third tabs in fact allows, while having a monolithic shell, to lift the second frame, so that the user can transmit forces, during thrusting, selectively only at the front part of the foot, at the same time allowing to achieve optimum lateral containment and rigidity of the entire skate throughout sports practice.
- With reference to figures 12-15, the
reference numeral 301 designates a skate constituted by ashell 302, whereto it is possible to articulate aquarter 203 associated at the malleolar region by means of appropriate studs or rivets. - The
shell 302 is formed monolithically, is preferably made of plastics, and has a lower region that forms a sole 304. - A
first frame 306 is associated below the sole 304 in themetatarsal region 305 and is U-shaped in transverse cross-section; at least one pair offirst wheels 308a and 308b is pivoted between thefirst wings 307a and 307b of said first frame, which protrude towards the ground. - The
first frame 306 has afirst base 309 for interconnecting thefirst wings 307a and 307b; said base is perforated, so as to form a seat for the positioning of afirst tab 310 in said base, and said first tab protrudes below the sole 304 in themetatarsal region 305. - A pair of
second tabs first wings 307a and 307b of the first frame. - A
second frame 313 is also associated below the sole 304, approximately at theheel region 312; said second frame, too, is U-shaped in transverse cross-section, forming asecond base 314 for anchoring to the sole 304, twosecond wings 315 protruding from said second base; at least one pair ofsecond wheels - An adapted
brake 317 is advantageously associable at thequarter 303 and has apad 318 which interacts with the ground when said cuff is rotated backwards. - A
first hole 319 andsecond holes 320a, 320b are formed, along the same axis, respectively at thefirst tab 310 and at thesecond tabs pivot 21 that also passes at adaptedthird holes 322a and 322b formed at thefirst wings 307a and 307b of thefirst frame 306 proximate to thefirst base 309. - At least one means adapted to limit the oscillation of the
second frame 313 and/or of theshell 302 is interposed between the lower surface of the sole 304 and thefirst base 309; said means is constituted by aflexible insert 323 which is preferably rectangular in plan view and has a hole that allows the insertion of thefirst tab 310. - The skate also has a rigid connecting
element 324 that is adapted to connect the first frame, the second frame, and the shell one another; said connecting element is constituted by two profiles that are L-shaped and therefore have respectivethird wings 325 andfourth wings 326; the tips of said wings are pivoted respectively at thepivot 321 and at the pivoting axis of thesecond wheel 316a of thesecond frame 313 that is adjacent to thefirst frame 306, which is arranged in front. - Advantageously, the profiles constituting the connecting element are arranged outside the first and second frames.
- It is also possible to advantageously provide narrower portions, adapted to contain the extension of the
pivot 321, at the first frame and at thethird wings 325. - The
third wings 325 and thefourth wings 326 are thus arranged approximately parallel to thefirst wings 307a and 307b and to thesecond wings 315 of the respective first and second frames, so as to allow mutual sliding. - The elbow of the connecting
element 324, which joins thethird wing 325 and thefourth wing 326, is furthermore arranged approximately at the first wheel 308b of thefirst frame 306 that is adjacent to thesecond frame 313, where each profile is pivoted at the first wheel 308b and therefore between thefirst wings 307a and 307b of thefirst frame 306. - Additional means for limiting the oscillation of the second frame and/or of the shell are constituted by at least one
lug 327 that protrudes at least from one of thefirst wings 307a and 307b in a region lying to the rear of the perimetric edge of thethird wings 325 that is directed towards theheel region 312; said lug is arranged so as to abut against the perimetric edge of thethird wings 325 in the inactive condition in which all the wheels rest on the ground. - The operation of the invention is as follows: during thrusting, which is shown schematically in figure 14, the skater can lift the
second frame 313 by the presence of the connectingelement 324, localizing forces exclusively at thefirst frame 306 and therefore at thefirst wheels 308a and 308b. - Furthermore, use of the L-shaped profile for the connecting element allows to shift the rotation point at the axis of the first wheel of the first frame and therefore in a point that is very close to the ground and is anatomically favorable for the rotation of the foot during thrusting.
- It has been observed that the invention has achieved the intended aim and objects, since it is adapted to transmit forces in an optimum manner during thrusting and at the same time allows a correct anatomical movement of the foot.
- The connecting element in fact allows, while having a monolithic shell, to lift the second frame, so that the user can transmit forces, during thrusting, selectively only at the front part of the foot, at the same time allowing to achieve optimum lateral containment and rigidity of the entire skate throughout sports practice.
- With reference to figures 16-17, the
reference numeral 401 designates a skate constituted by ashell 402, to which it is possible to articulate aquarter 403 that is associated at the malleolar region by means of appropriate studs or rivets. - The
shell 402 is formed monolithically, is preferably made of plastics, and has a lower region that forms a sole 404. - The
shell 402 has, proximate to thetip region 405, anarticulation 406 constituted by a slit that is formed on an approximately transverse plane starting from the vicinity of the sole 404; said slit forms a first flap 407a and a second flap 407b having such a shape as to allow their partial overlap, even in the inactive condition, and particularly the insertion of the first flap 407a in the second flap 407b. - During sports practice, while thrusting and flexing the foot, the mutual overlap of the first and second flaps 407a and 407b increases, thus facilitating the flexing of the foot.
- The first and second flaps 407a and 407b have, proximate to the sole 404, a curved shape that is adapted to form a
circular recess 408; saidrecess 408 allows to improve the flexibility, and therefore the overlap, of said first and second flaps 407a and 407b. - The
articulation 406 forms, for theshell 402, a firstfront body 409a that is arranged at thetip region 405 starting from the flap 407a; saidfirst body 409a allows to contain and secure the front part of the foot. - The
articulation 406 also forms asecond body 409b which, starting from the second flap 407b, allows to contain and secure the rear part of the user's foot. - A
first frame 410a is associated in a downward region with thefirst body 409a; the transverse cross-section of said frame is U-shaped, and at least one pair offirst wheels 411a and 411b is pivoted between the first wings of said frame, which protrude downwards. - The
first frame 410a is constituted by a first flat base 412a for connecting the first wings, which is connected below the sole 404 through the interposition of adapted connecting means, such as rivets, that are accommodated in a complementarily shapedfirst seat 413a that is formed on the sole 404 that lies below thefirst body 409a. - The first wings of the
first frame 410a protrude in the opposite direction with respect to thetip region 405. - A
second frame 410b is also associated, in a downward region, with thesecond body 409b in the region of theheel 415; said second frame is U-shaped in a transverse cross-section, and at least one second pair ofwheels 414a and 414b is pivoted between its second wings, which protrude below a second connecting base 412b. - The second base 412b is connected to the sole 404 through the interposition of adapted connecting means, such as rivets or couplings inserted at a complementarily shaped second seat 413b formed on the sole 404 at the
heel region 415. - The second base 412b is preferably narrower than the first base 412a, so as to allow the partial insertion and adjacent arrangement, along approximately parallel planes, of the second wings of the
second frame 410b with respect to the first wings of thefirst frame 410a. - The first and
second frames - Said means 416 are constituted by a
pivot 417 that is associated and blended at right angles with respect to the tips of the first wings of thefirst frame 410a in a region that is intermediate between two of said first and second wheels that are adjacent to each other; thefirst pivot 417 slides at aslot 418 that is formed on the second wings of thesecond frame 410b that are adjacent to the first wings of thefirst frame 410a. - The
slot 418 has a curved shape, the concavity whereof is directed at thetip region 405. - The
pivot 417 can be arranged at the upper end of theslot 418 if the pair offirst wheels 411a and 411b and the pair ofsecond wheels 414a and 414b rest on the ground, generally designated by thereference numeral 419; during thrusting, instead, as shown in figure 17, the foot flexes, and thesecond body 409b and therefore thesecond frame 410b rise, forcing the sliding of thepivot 417 inside theslot 418 until it reaches the lower end of said slot, which constitutes a stroke limiter. - Advantageously, the
first frame 410a and thesecond frame 410b have, on each one of said first and second wings, respectively afirst hole 420a and a second hole 420b, which have the same axis in the inactive condition, are arranged above themeans 416, and allow the insertion of a pivot or screw that allows to lock theskate 401 in the horizontal condition, so that the pair of first andsecond wheels ground 419 so as to prevent, according to the user's requirements, the rotation of theskate 401. - A
conventional brake 421 is associated with theskate 401 to the rear. - The operation of the skate is as follows: during thrusting, the flexing of the foot and the rise of the rear part thereof is allowed by the
articulation 406 formed on theshell 402, which is provided by the mutual overlap of the first and second flaps 407a and 407b of the first andsecond bodies - The connection of the
second body 409b to thesecond frame 410b allows the latter to rise with respect to theground 419, whereas the sliding of thepivot 417 in theslot 418 allows guided lifting. - It has been observed that the invention has achieved the intended aim and objects, said invention being adapted to transmit forces in an optimum manner during thrusting, at the same time allowing a correct anatomical movement of the foot; the
articulation 406 provided on theshell 402 in fact allows to flex the foot naturally, producing more thrust for an equal physical effort. - The sliding and guiding means 416 allow to lift the
second frame 410b so that the user can thus transmit forces, during thrusting, selectively and exclusively at the front region of the foot; at the same time, said means 416 allow to achieve optimum lateral containment and rigidity of the entire skate throughout sports practice. - Figure 18 illustrates still a further embodiment, in which the numeral 501 designates a skate constituted by a
shell 502. - The
shell 502 is constituted by a first front body 509a, which is arranged proximate to thetoe region 505 and adapted to surround it, and by a separate second rear body 509b, to which aquarter 503 can be articulated. - The first and second bodies 509a and 509b have, respectively, a first sole 504a and a second sole 504b which are transversely and rotatably associated with each other, at their ends that can be arranged mutually adjacent, by means of a hinge-like articulation that comprises an adapted transverse connecting screw or
pivot 534. - The first and second bodies 509a and 509b have, respectively, a
first flap 507a and a second flap 507b, which have such a shape as to allow their partial overlap, even in the inactive condition, and particularly the insertion of thefirst flap 507a in the second flap 507b. - A
frame 510 is associated below the first body 509a and has a U-shaped transverse cross-section; at least one pair of first and second wheels, designated respectively by thereference numerals - The
frame 510 is connected, in a downward region, to the first sole 504a of the first body 509a through the interposition of adapted connecting means, such as rivets or couplings, that are accommodated in a complementarily shapedseat 513 formed on said first sole 504a. - This solution, too, allows to achieve the intended aim and objects, since the second body can rise from the frame during thrusting, which becomes localized, i.e., entrusted to the front region.
- The materials and the dimensions constituting the individual components of the skate according to the invention may be the most appropriate according to the specific requirements.
- Where technical features mentioned in any claim are followed by reference signs, those reference signs have been included for the sole purpose of increasing the intelligibility of the claims and accordingly, such reference signs do not have any limiting effect on the interpretation of each element identified by way of example by such reference signs.
Claims (55)
- Skate with in-line wheels characterized in that it comprises a first member (6,110a,206,306,410a,504a) and a second member (18,110b,213,313,410b,504b,510), at least one of said members being adapted to support a plurality of in-line wheels (8,20,111a,111b,114a,114b,208a,208b,216a,216b, 308a,308b, 316a,316b, 411a,411b, 414a,414b, 511a,511b, 514a, 514b), said first member being rotatably associated with said second member.
- Skate according to claim 1, characterized in that said first and second members respectively comprise first and second bodies and first and second frames, said frames being U-shaped and respectively having first and second wings protruding downwardly, a plurality of first tabs protruding downwardly and axially with respect to said first body at first ends of said first frame that face second ends of said second frame, said first tabs protruding both externally and in an interspace that lies between said first wings of said first frame.
- Skate according to claim 2, characterized in that it comprises a plurality of second tabs that protrude downwardly and axially at the end of said second body that is directed towards said first body, both externally and in the interspace that lies between said second wings.
- Skate according to claim 3, characterized in that it comprises a plurality of third tabs that protrude downwardly at the end of said second body having said second tabs, said third tabs protruding externally with respect to said second wings.
- Skate according to claim 4, characterized in that said first, second, and third tabs have a comb-shaped configuration and can be arranged adjacent to each other when said first and second bodies are joined axially.
- Skate according to claim 5, characterized in that adapted first, second, third, fourth, and fifth holes are formed on said first, second, and third tabs and on said first and second ends of said first and second frames, along the same axis, all of said holes constituting a seat for a first pivot.
- Skate according to claim 6, characterized in that said first pivot has a head, which abuts against one of said third tabs, and a stem, which is internally threaded at the other end for coupling to a complementarily threaded first screw that abuts at the other one of said third tabs.
- Skate according to one or more of the preceding claims, characterized in that it comprises guiding and sliding means provided on said first and second frames and constituted by a second pivot that passes at two sixth holes formed at the ends of said first wings that partially laterally wrap around the corresponding ends of said second wings of said second frame.
- Skate according to one or more of the preceding claims, characterized in that it comprises two adapted slots formed on the ends of said second wings, said slots having an arc-like shape that allows said second body to rise from the ground during thrusting, when said first wheels are in contact with said ground.
- Skate according to claim 9, characterized in that said two slots are formed on said second wings at said sixth holes provided on said first wings of said first frame.
- Skate according to claim 10, characterized in that it comprises, respectively on said first and second wings of said first and second frames, a seventh hole and an eighth hole that are adjacent to said sixth holes and to said pair of slots and have the same axis in the condition in which both said first wheels and said second wheels interact with the ground and therefore with the skate in a horizontal condition.
- Skate according to claim 11, characterized in that said seventh and eighth holes constitute a temporary seat for a pivot or a pin that is removable and allows to lock the mutual articulation of said first and second frames.
- Skate according to one or more of the preceding claims, characterized in that said first and second pivots act at the interspace that is provided between one of said first and second adjacent wheels.
- Skate according to claim 1, characterized in that it comprises a first front body, for the resting and locking of the front part of the foot, a second rear body, for the resting and locking of at least the heel, said bodies being rotatably associated to each other and having a first frame and a second frame for supporting one or more wheels, said bodies being transversely associated and comprising guiding and mutual sliding means.
- Skate according to claim 14, characterized in that said first body is U-shaped in transverse cross-section and comprises a first flat support from which two lateral shoulders protrude upward, said shoulders allowing to contain the front part of a shoe or of the foot at the tip region, said first body having a first strap the ends whereof are associable with said two lateral shoulders so as to secure said shoe or said foot.
- Skate according to claim 14, characterized in that said second body of said shell is constituted by a second flat support, from which a heel cup protrudes perimetrically upward and is adapted to contain at least the heel region of said shoe, said second body having a second strap, the ends whereof are laterally associated with said heel cup to secure said shoe or foot at the foot instep region.
- Skate according to claim 14, characterized in that said first and second bodies are rotatably associated with each other, by means of a hinge-like articulation comprising an appropriate screw or a connecting pivot, at the ends that can be arranged adjacent to each other.
- Skate according to claim 14, characterized in that said first and second frames are respectively associated with said first and second bodies, both of said frames being U-shaped, at least one pair of first and second wheels being respectively pivoted between the first and second downward-protruding wings of said frames, said second wings of said second frame having a center distance that is smaller than the center distance of said first wings, so as to allow the partial insertion and mutually adjacent arrangement of said second wings with respect to said first wings along an approximately parallel plane.
- Skate according to one or more of the preceding claims, characterized in that said guiding and sliding means are constituted by a pivot that is associated and blended at right angles with respect to the tips of said first wings of said first frame in a region that is intermediate between two of said first and second wheels that are adjacent to each other, said first pivot being slideable at a slot formed on said second wings that are adjacent to said first wings, said slot being curved so that its concavity is directed at said tip region.
- Skate according to claim 1, characterized in that it comprises a monolithic shell (202), a first frame (206) and a second separate frame (213) associated in the front foot and heel regions, said second frame having tabs for the articulation to said first frame and shell, means (223) being provided to limit the oscillation of said second frame and/or shell.
- Skate according to claim 20, characterized in that said first frame is U-shaped and forms a first base for connection to first wings, between which at least one pair of first wheels is pivoted, said base being perforated so as to form a seat for positioning therein a first tab that protrudes below the sole of said shell in the metatarsal region.
- Skate according to claim 21, characterized in that two second tabs protrude below said sole, lie approximately parallel to said first tab, and are arranged outside said first wings of said first frame.
- Skate according to claim 22, characterized in that a first hole and a second hole are formed respectively at said first tab and at said second tabs, along the same axis, and accommodate a pivot that also passes at adapted third holes formed at said first wings of said first frame proximate to said first base.
- Skate according to one or more of the preceding claims, characterized in that said means, for limiting the oscillation of said shell and/or of a second frame, is associated below a sole approximately at the heel region and is interposed between the lower surface of said sole and said first base, said second frame being U-shaped and forming a second base for connection to second wings, between which at least one pair of second wheels is pivoted.
- Skate according to claim 24, characterized in that said means is constituted by at least one flexible insert that preferably has, in plan view, a rectangular shape with a hole that allows the insertion of said first tab.
- Skate according to one or more of the preceding claims, characterized in that said second frame has at least one pair of third tabs protruding from said second wings towards said first frame.
- Skate according to claim 26, characterized in that said at least one pair of third tabs has such a length and size as to be arrangeable externally adjacent to said second tabs that protrude from said sole and to the ends of said first wings of said first frame that are adjacent to said first base.
- Skate according to claim 27, characterized in that the profiles of said first wings and of said third pair of tabs have narrower regions that allow to contain the length of said pivot.
- Skate according to claim 28, characterized in that said pair of third tabs is slightly curved towards said sole, said tabs being perforated at the tip in order to be pivoted to said pivot.
- Skate according to claim 1, characterized in that it comprises a monolithic shell (302), a first frame (306) and a second separate frame (313) associated in the front foot and heel regions, said first and second frames and said shell being interconnected by means of a rigid connecting element (324), means (323) being provided to limit the oscillation of said second frame and/or shell.
- Skate according to claim 30, characterized in that said first frame is U-shaped and forms a first base for connection to first wings, between which at least one pair of first wheels is pivoted, said base being perforated so as to form a seat for positioning therein a first tab that protrudes below the sole of said shell in the metatarsal region.
- Skate according to claim 31, characterized in that two second tabs protrude below said sole, lie approximately parallel to said first tab, and are arranged outside said first wings of said first frame.
- Skate according to claim 32, characterized in that a first hole and a second hole are formed respectively at said first tab and at said second tabs, along the same axis, and accommodate a pivot that also passes at adapted third holes formed at said first wings of said first frame proximate to said first base.
- Skate according to one or more of the preceding claims, characterized in that at least one means adapted to limit the oscillation of said shell and/or of a second frame that is associated below said sole approximately at the heel region is interposed between the lower surface of said sole and said first base, said second frame being U-shaped and forming a second base for connection to second wings, between which one pair of second wheels is pivoted.
- Skate according to claim 34, characterized in that said means is constituted by at least one flexible insert that preferably has, in plan view, a rectangular shape with a hole that allows the insertion of said first tab.
- Skate according to one or more of the preceding claims, characterized in that it comprises a rigid connecting element that is adapted to interconnect said first frame, said second frame, and said shell, said connecting element being constituted by a pair of profiles that are L-shaped and therefore have respective third and fourth wings, the tips whereof are respectively pivoted at said pivot and at the pivoting axis of the said second wheel that is adjacent to said first frame, which lies in front.
- Skate according to claim 36, characterized in that said profiles that constitute said connecting element are arranged outside said first and second frames.
- Skate according to claim 37, characterized in that narrower regions, adapted to contain the length of said pivot, are provided at said first frame and at said third wings.
- Skate according to one or more of the preceding claims, characterized in that said third and fourth wings are arranged approximately parallel to said first and second wings of said first and second frames, so as to allow mutual sliding.
- Skate according to one or more of the preceding claims, characterized in that said connecting element has an elbow that joins said third and fourth wings and is arranged approximately at the said first wheel of said first frame that is adjacent to said second frame, each one of said profiles being pivoted thereat at said first wheel and therefore between said first wings of said first frame.
- Skate according to one or more of the preceding claims, characterized in that additional moans, adapted to limit the oscillation of said second frame and/or shell, are constituted by at least one lug, which protrudes at least from one of said first wings in a region lying to the rear of the perimetric edge of said third wings that is directed towards the heel region, said lug being arranged so as to abut against said perimetric edge of said third wings in the inactive condition, in which all of said first and second wheels rest on the ground.
- Skate with in-line wheels, characterized in that it comprises a monolithic shell (402) having, proximate to the sole and in the front region of the foot, at least one articulation (406) that forms a first front body (409a), for securing the front part of the foot, and a second rear body (409b), for securing at least the heel, said bodies being provided, in a downward region, with a first frame (410a) and a second frame (410b) for supporting said wheels, wings of said frames being transversely and rotatably associated with each other, guiding and sliding means (416) being provided on said first and second frames.
- Skate according to claim 42, characterized in that said articulation, provided proximate to the tip region, is constituted by a slit that is formed on an approximately transverse plane starting from the vicinity of said sole, said slit forming at least a first flap and a second flap that have such a shape as to allow their partial mutual overlap even when said skate is inactive, and particularly the insertion of said first flap in said second flap.
- Skate according to claim 43, characterized in that said first body is formed starting from said first flap, so as to allow the containment and securing of said front part of the foot, and said second body is formed starting from said second flap, so as to allow the containment and securing of the rear part of the foot.
- Skate according to claim 44, characterized in that said first frame is associated below said first body and is U-shaped in a transverse cross-section, a pair of first wheels being pivoted between the first wings of said first frame, which protrude downwards, said first frame being constituted by a first flat base for connecting said first wings, said first base being connected below said sole through the interposition of appropriate connecting means.
- Skate according to claim 45, characterized in that said first wings of said first frame protrude in the opposite direction with respect to said tip region.
- Skate according to claim 46, characterized in that said second frame is associated in a downward region with said second body, in the heel region, and is U-shaped in transverse cross-section, at least one second pair of wheels being pivoted between the second wings of said second frame, which protrude below a second connecting base, said second connecting base being connected to said sole through the interposition of adapted connecting means.
- Skate according to claim 47, characterized in that said second base is narrower than said first base, so as to allow the partial insertion and adjacent arrangement, on approximately parallel planes, of said second wings of said second frame with respect to said first wings of said first frame.
- Skate according to one or more of the preceding claims, characterized in that said guiding and sliding means are constituted by a pivot that is associated and blended at right angles with respect to the tips of said first wings of said first frame in a region that is intermediate between two of said first and second wheels that are adjacent to each other, said first pivot being slideable at a slot that is formed on said second wings that are adjacent to said first wings.
- Skate according to claim 49, characterized in that said slot has a curved shape, with its concavity directed at said tip region, said pivot being arrangeable at the upper end of said slot if said pair of said first and second wheels rests on said ground, said pivot being furthermore slideable inside said slot until it reaches the lower end, which constitutes a stroke limit, during thrusting.
- Skate according to one or more of the preceding claims, characterized in that said first and second frames have, on each one of said first and second wings, respectively a first hole and a second hole having the same axis in the inactive condition of said skate, said first and second holes being arranged above said means and being adapted to allow the insertion of a pivot or screw that allows to lock said skate in the horizontal condition so as to prevent its rotation.
- Skate according to claim 1, characterized in that it comprises a first front body (509a), for securing the front part of the foot, and by a second rear body (509b), for securing at least the heel, said bodies being rotatably associated to each other, a supporting frame (510) for said wheels being associated below said first body, said second body oscillating with respect to said underlying frame.
- Skate according to claim 52, characterized in that said first and second bodies have, respectively, a first sole and a second sole which, at their ends that can be arranged adjacent to each other, are transversely and rotatably associated with each other by means of a hinge-like articulation that comprises an adapted screw or a transverse connecting pivot.
- Skate according to claim 53, characterized in that said first and second bodies have, respectively, a first flap and a second flap having such a shape as to allow their partial overlap even when said skate is in the inactive condition, and particularly the insertion of said first flap in said second flap.
- Skate according to claim 54, characterized in that said frame is associated below said first body and has a U-shaped transverse cross-section, at least one pair of first and second wheels being pivoted between the first wings of said frame, which protrude downwards, said frame being connected below said first sole of said first body through the interposition of adapted connecting means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00204604A EP1136102A1 (en) | 1995-12-04 | 1996-11-18 | Skate with in-line wheels |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000149 IT1279481B1 (en) | 1995-12-04 | 1995-12-04 | In-line roller skate wheels - has first and second members supporting wheels which re rotatably associated with second member having U=shaped frame and protruding tabs |
ITTV950152 IT1279484B1 (en) | 1995-12-04 | 1995-12-04 | In-line roller skate wheels - has first and second members supporting wheels which re rotatably associated with second member having U=shaped frame and protruding tabs |
ITTV950150 | 1995-12-04 | ||
ITTV950151 | 1995-12-04 | ||
ITTV950149 | 1995-12-04 | ||
ITTV950150 IT1279482B1 (en) | 1995-12-04 | 1995-12-04 | In-line roller skate wheels - has first and second members supporting wheels which re rotatably associated with second member having U=shaped frame and protruding tabs |
ITTV950152 | 1995-12-04 | ||
IT000151 IT1279483B1 (en) | 1995-12-04 | 1995-12-04 | In-line roller skate wheels - has first and second members supporting wheels which re rotatably associated with second member having U=shaped frame and protruding tabs |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00204604A Division EP1136102A1 (en) | 1995-12-04 | 1996-11-18 | Skate with in-line wheels |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0778058A2 true EP0778058A2 (en) | 1997-06-11 |
EP0778058A3 EP0778058A3 (en) | 1998-11-04 |
EP0778058B1 EP0778058B1 (en) | 2001-03-14 |
Family
ID=27453065
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00204604A Withdrawn EP1136102A1 (en) | 1995-12-04 | 1996-11-18 | Skate with in-line wheels |
EP96118467A Expired - Lifetime EP0778058B1 (en) | 1995-12-04 | 1996-11-18 | Skate with in-line wheels |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00204604A Withdrawn EP1136102A1 (en) | 1995-12-04 | 1996-11-18 | Skate with in-line wheels |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP1136102A1 (en) |
JP (1) | JPH09173525A (en) |
AT (1) | ATE199652T1 (en) |
CA (1) | CA2191937A1 (en) |
DE (2) | DE69612062T2 (en) |
ES (1) | ES2154778T3 (en) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998047576A1 (en) * | 1997-04-22 | 1998-10-29 | Darrel Rowledge | Flexible footbed skate |
WO1998048909A1 (en) * | 1997-04-25 | 1998-11-05 | Rolsoft | In-line roller skate |
FR2766103A1 (en) * | 1997-07-16 | 1999-01-22 | Salomon Sa | In=line roller skate with brake |
WO1999021625A1 (en) * | 1997-10-24 | 1999-05-06 | K-2 Corporation | Double hinged skate |
EP0947226A1 (en) * | 1998-03-31 | 1999-10-06 | BENETTON GROUP S.p.A. | Improved skate |
EP0956887A1 (en) * | 1998-05-14 | 1999-11-17 | BENETTON GROUP S.p.A. | In-line roller skate |
EP1013319A1 (en) | 1998-12-24 | 2000-06-28 | Salomon S.A. | Skate with a boot articulated on a frame |
US6120040A (en) * | 1997-10-24 | 2000-09-19 | K-2 Corporation | Flexing base skate |
FR2792846A1 (en) * | 1999-04-30 | 2000-11-03 | Salomon Sa | Articulated mounting frame assembly for an inline skate boot and chassis assembly, comprises of a rotating toe mounting and a heal linkage assembly |
EP1066863A1 (en) * | 1999-07-09 | 2001-01-10 | First Team Sports, Inc. | Flexible skate |
US6193243B1 (en) | 1997-10-08 | 2001-02-27 | Viking Schaatsenfabrick B.V. | Clap skate |
EP0990454A3 (en) * | 1998-09-30 | 2001-09-19 | BENETTON GROUP S.p.A. | Skate |
GB2363078A (en) * | 2000-06-07 | 2001-12-12 | Chou Tien Chiu | An in line roller skate |
WO2002011828A2 (en) | 2000-08-04 | 2002-02-14 | K-2 Corporation | Flexing base skate |
WO2000066232A3 (en) * | 1999-04-30 | 2002-04-11 | Salomon Sa | Articulated frame |
US6666463B2 (en) | 1997-10-24 | 2003-12-23 | K-2 Corporation | Flexing base skate |
US6736412B1 (en) | 2000-10-04 | 2004-05-18 | K2 Corporation | Klop skate having pushing and pulling capabilities |
EP1645311A1 (en) * | 2004-10-11 | 2006-04-12 | Skis Rossignol S.A. | Chassis for in line skate comprising two stacked channel frame sections |
US7144660B2 (en) | 2001-07-27 | 2006-12-05 | Mitsubishi Chemical Corporation | Non-aqueous electrolyte solution and non-aqueous electrolyte solution secondary battery using the same |
US7419187B2 (en) | 1997-10-24 | 2008-09-02 | K-2 Corporation | Double klap flex base boot with heel linkage |
NL1034382C2 (en) * | 2007-09-13 | 2009-03-16 | Bouwadvies B B A B V | Tool for athletic sport practice. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1603588A (en) * | 1925-04-17 | 1926-10-19 | Eberle Ferdinand | Skate |
US5135244A (en) * | 1991-04-22 | 1992-08-04 | Wdrm Patent Co. | Suspension and braking system for a tandem wheeled skate |
IT1274288B (en) * | 1994-04-12 | 1997-07-17 | Roces Srl | BRAKING DEVICE STRUCTURE, PARTICULARLY FOR SKATES WITH IN-LINE WHEELS |
IT1273897B (en) * | 1994-06-08 | 1997-07-11 | Nordica Spa | IMPROVED WHEEL STRUCTURE OF WHEELS |
FR2740985B1 (en) * | 1995-11-14 | 1997-12-12 | Salomon Sa | IN-LINE WHEELED SKATE WITH DEFORMABLE CHASSIS |
-
1996
- 1996-11-18 EP EP00204604A patent/EP1136102A1/en not_active Withdrawn
- 1996-11-18 DE DE69612062T patent/DE69612062T2/en not_active Expired - Fee Related
- 1996-11-18 AT AT96118467T patent/ATE199652T1/en not_active IP Right Cessation
- 1996-11-18 EP EP96118467A patent/EP0778058B1/en not_active Expired - Lifetime
- 1996-11-18 DE DE0778058T patent/DE778058T1/en active Pending
- 1996-11-18 ES ES96118467T patent/ES2154778T3/en not_active Expired - Lifetime
- 1996-11-26 JP JP8315299A patent/JPH09173525A/en not_active Withdrawn
- 1996-12-03 CA CA002191937A patent/CA2191937A1/en not_active Abandoned
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998047576A1 (en) * | 1997-04-22 | 1998-10-29 | Darrel Rowledge | Flexible footbed skate |
US6217036B1 (en) | 1997-04-22 | 2001-04-17 | Darrel Rowledge | Flexible footbed skate |
WO1998048909A1 (en) * | 1997-04-25 | 1998-11-05 | Rolsoft | In-line roller skate |
US6196557B1 (en) | 1997-04-25 | 2001-03-06 | Rolsoft | In-line roller skate |
FR2766103A1 (en) * | 1997-07-16 | 1999-01-22 | Salomon Sa | In=line roller skate with brake |
US6193243B1 (en) | 1997-10-08 | 2001-02-27 | Viking Schaatsenfabrick B.V. | Clap skate |
US6666463B2 (en) | 1997-10-24 | 2003-12-23 | K-2 Corporation | Flexing base skate |
US7419187B2 (en) | 1997-10-24 | 2008-09-02 | K-2 Corporation | Double klap flex base boot with heel linkage |
US6082744A (en) * | 1997-10-24 | 2000-07-04 | K-2 Corporation | Double hinged skate |
US6120040A (en) * | 1997-10-24 | 2000-09-19 | K-2 Corporation | Flexing base skate |
US6921093B2 (en) | 1997-10-24 | 2005-07-26 | K-2 Corporation | Flexing base skate |
WO1999021625A1 (en) * | 1997-10-24 | 1999-05-06 | K-2 Corporation | Double hinged skate |
US6325394B1 (en) | 1997-10-24 | 2001-12-04 | K-2 Corporation | Flexing base skate |
US6158748A (en) * | 1998-03-31 | 2000-12-12 | Benetton Group S.P.A. | Skate |
EP0947226A1 (en) * | 1998-03-31 | 1999-10-06 | BENETTON GROUP S.p.A. | Improved skate |
US6481726B2 (en) | 1998-05-14 | 2002-11-19 | Benetton Group S.P.A. | In-line roller skate |
EP0956887A1 (en) * | 1998-05-14 | 1999-11-17 | BENETTON GROUP S.p.A. | In-line roller skate |
US6209889B1 (en) | 1998-05-14 | 2001-04-03 | Benetton Group S.P.A. | In-line roller skate |
EP0990454A3 (en) * | 1998-09-30 | 2001-09-19 | BENETTON GROUP S.p.A. | Skate |
FR2787724A1 (en) | 1998-12-24 | 2000-06-30 | Salomon Sa | SKATE COMPRISING A SHOE ARTICULATED ON A CHASSIS |
EP1013319A1 (en) | 1998-12-24 | 2000-06-28 | Salomon S.A. | Skate with a boot articulated on a frame |
WO2000066232A3 (en) * | 1999-04-30 | 2002-04-11 | Salomon Sa | Articulated frame |
FR2792846A1 (en) * | 1999-04-30 | 2000-11-03 | Salomon Sa | Articulated mounting frame assembly for an inline skate boot and chassis assembly, comprises of a rotating toe mounting and a heal linkage assembly |
EP1066863A1 (en) * | 1999-07-09 | 2001-01-10 | First Team Sports, Inc. | Flexible skate |
GB2363078A (en) * | 2000-06-07 | 2001-12-12 | Chou Tien Chiu | An in line roller skate |
WO2002011828A2 (en) | 2000-08-04 | 2002-02-14 | K-2 Corporation | Flexing base skate |
US6736412B1 (en) | 2000-10-04 | 2004-05-18 | K2 Corporation | Klop skate having pushing and pulling capabilities |
US7144660B2 (en) | 2001-07-27 | 2006-12-05 | Mitsubishi Chemical Corporation | Non-aqueous electrolyte solution and non-aqueous electrolyte solution secondary battery using the same |
EP1645311A1 (en) * | 2004-10-11 | 2006-04-12 | Skis Rossignol S.A. | Chassis for in line skate comprising two stacked channel frame sections |
NL1034382C2 (en) * | 2007-09-13 | 2009-03-16 | Bouwadvies B B A B V | Tool for athletic sport practice. |
EP2036595A3 (en) * | 2007-09-13 | 2009-10-28 | B.V. Bouwadvies B.B.A. | Improved ice or inline skates |
Also Published As
Publication number | Publication date |
---|---|
DE778058T1 (en) | 1999-08-19 |
DE69612062T2 (en) | 2001-08-02 |
DE69612062D1 (en) | 2001-04-19 |
JPH09173525A (en) | 1997-07-08 |
ES2154778T3 (en) | 2001-04-16 |
ATE199652T1 (en) | 2001-03-15 |
EP0778058A3 (en) | 1998-11-04 |
EP1136102A1 (en) | 2001-09-26 |
EP0778058B1 (en) | 2001-03-14 |
CA2191937A1 (en) | 1997-06-05 |
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