US20120291242A1 - Locking device for lace strands, tightening system having such device, and footwear having such system - Google Patents
Locking device for lace strands, tightening system having such device, and footwear having such system Download PDFInfo
- Publication number
- US20120291242A1 US20120291242A1 US13/471,937 US201213471937A US2012291242A1 US 20120291242 A1 US20120291242 A1 US 20120291242A1 US 201213471937 A US201213471937 A US 201213471937A US 2012291242 A1 US2012291242 A1 US 2012291242A1
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- United States
- Prior art keywords
- locking
- passageway
- locking member
- lace
- strands
- 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
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/04—Ski or like boots
- A43B5/0411—Ski or like boots for cross-country
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/04—Ski or like boots
- A43B5/0427—Ski or like boots characterised by type or construction details
- A43B5/0435—Adjustment of the boot to the foot
- A43B5/0439—Adjustment of the boot to the foot to the heel; Heel clamping devices; Heel supports
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C11/00—Other fastenings specially adapted for shoes
- A43C11/008—Combined fastenings, e.g. to accelerate undoing or fastening
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C11/00—Other fastenings specially adapted for shoes
- A43C11/20—Fastenings with tightening devices mounted on the tongue
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C7/00—Holding-devices for laces
- A43C7/08—Clamps drawn tight by laces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/37—Drawstring, laced-fastener, or separate essential cooperating device therefor
- Y10T24/3703—Includes separate device for holding drawn portion of lacing
- Y10T24/3713—Includes separate device for holding drawn portion of lacing having relatively movable holding components or surfaces
- Y10T24/3718—Includes separate device for holding drawn portion of lacing having relatively movable holding components or surfaces with integral resilient linking structure therebetween
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
A device for locking strands of laces, including a hollow body demarcating a cavity, the cavity defining at least one passageway for passage of the lace strands, the locking device including a locking member, the locking member being movable between a locking position and a release position, the locking device operating via cooperation of the locking member with each passageway to lock each lace strand by a wedging effect, an elastic mechanism biasing the locking member towards the locking position. The locking device acts for at least three lace strands, and at least one passageway is adapted to receive two superposed lace strands.
Description
- This application is based upon French patent application Ser. No. 11/01486, filed May 16, 2011, the disclosure of which is hereby incorporated by reference thereto in its entirety, and the priority of which is claimed under 35 U.S.C. §119.
- 1. Field of the Invention
- The invention relates to a mechanical device for locking flexible strands such as cables, ropes, yarn, laces, and any other similar product or elongated element of similar form.
- In a particular field of endeavor, the invention relates to the locking of laces of an article of footwear, such as a shoe or boot, but also to the locking of cords, laces, ropes, cables, etc. adapted to connect portions of an article such as a garment, helmet, bag, and the like.
- Still, more specifically, the invention relates to the field of sports, and particularly to articles of footwear, such as shoes or boots for cross-country skiing, downhill skiing, snowboarding, walking, running, hiking, biking, and the like.
- 2. Background Information
- It is known to lock flexible strands using a mechanism or device. See, for example, commonly owned U.S. Pat. No. 5,477,593.
- Also, U.S. Pat. No. 4,665,590 discloses a cord retainer assembly comprising a hollow body demarcating a cavity which defines a passageway for the strands of a cord. A locking member is movable in the cavity, between a locking position and a release position, for reversibly locking the strands. The device according to U.S. Pat. No. 4,665,590 is described as a reversible lock for reversibly locking the closure of a bag, such as a laundry or mail bag. If it were to be used to reversibly tighten two quarters of a shoe or boot, for example, the user could adjust the tightening to a desired level.
- However, such tightening would not always be distributed satisfactorily for the tightening of such footwear. Indeed, in the context of certain types of footwear, it is sometimes desirable that different zones be tightened differently and to tighten such zones at different levels. Such is the case for footwear, for example, in which certain parts of the foot must be held firmly, while other parts are allowed more freedom. Therefore, it has been proposed to differentiate the tightening zones.
- For example, U.S. Patent Application Publication No. 2008/0250618 (a family member of document WO 2007/057926) discloses a device for reversibly locking four lace strands. Two of the lace strands are assigned to tightening a first zone of the article of footwear, and the other two to tightening a second zone. To act on the four lace strands, according to US 2008/0250618, the locking device demarcates four cavities, each of which defines a passageway for the strands. Each cavity houses a locking member that is movable between a locking position and a release position. For each strand, the locking is obtained by a wedging effect between the locking member and a passageway defined in the cavity, taking into account that an elastic mechanism biases the locking member toward its locking position.
- In the footwear according to document US 2008/0250618, the tightening is differentiated in two zones, which enables the user to better adjust the support of the foot in relation to the support of the lower leg. Therefore, use of the footwear is more comfortable. The device according to this document has a complex structure. Indeed, four cavities, four passageways, four locking members, and four elastic mechanisms are necessary to tighten the four lace strands.
- Further, the implementation of the device according to US 2008/0250618 is complicated, because the tension of the four strands must be adjusted separately. Moreover, the device is bulky and expensive to manufacture.
- In view of the preceding, the invention generally seeks to improve a locking device adapted to reversibly tighten two different zones of an article such as those mentioned above.
- More specifically, the invention simplifies a device for reversibly locking lace strands, in terms of its structure, as well as its implementation.
- In addition, the invention reduces the space requirement of the device.
- Further, the invention lowers the manufacturing cost of a locking device.
- To this end, the invention provides a device for locking lace strands, or strands of other elongated flexible elements, such device comprising a hollow body demarcating a cavity, the cavity defining at least one passageway for passage of the lace strands, the locking device including a locking member, the locking member being movable between a locking position and a release position, the locking device operating via the cooperation of the locking member with each passageway to lock each lace strand by a wedging effect, an elastic mechanism biasing the locking member toward the locking position.
- The locking device according to the invention acts for at least three lace strands and at least one passageway is capable of receiving two superposed lace strands. The device acts simultaneously for the three laces, and at least two laces are housed in the same passageway.
- Therefore, the locking member of the invention cooperates with three lace strands, or more. It can be said that the locking member of the device immobilizes or releases all of the lace strands passing through the cavity. An unexpected result is that all of the lace strands are maintained in the locking configuration even when each lace is subject to a different tensioning force. This means that the locking device according to the invention maintains the tension states of the laces.
- Important among the resulting advantages is simplicity. The reversible locking device according to the invention has a simple structure, and it is implemented in a simple fashion. Indeed, a single action of the locking member against the action of the elastic mechanism releases all of the lace strands.
- Another advantage of the device according to the invention is that of reduced space requirement. Indeed, a single locking mechanism is needed for all the lace strands. Consequently, the implementation of the locking device on an article is easier.
- Yet another advantage is lower manufacturing cost, compared to other known devices, due to the reduced number of parts.
- Broadly speaking, it could be said that the invention improves a locking device adapted to reversibly tighten two different zones of an article, such as an article of footwear, a garment, a bag, or the like.
- Other characteristics and advantages of the invention will be better understood from the following description, with reference to the annexed drawings showing, by way of non-limiting embodiments, how the invention can be embodied, and in which:
-
FIG. 1 is a front perspective view of a boot of a first embodiment of the invention showing a system for tightening the boot upper, the system including a device for reversibly locking a plurality of lace strands; -
FIG. 2 is a schematic perspective view, similar toFIG. 1 , which shows the passageway of the constituent elements of the tightening system; -
FIG. 3 is an exploded perspective view of the locking device used on the boot ofFIGS. 1 and 2 ; -
FIG. 4 is an external top view of the locking device in the position for locking, or wedging, the lace strands; -
FIG. 5 is an external view, similar toFIG. 4 , of the locking device in the position for releasing the lace strands; -
FIG. 6 is a cross-sectional view, along lines of contact of the lace strands and the passageways, of the locking device in the position for locking the lace strands; -
FIG. 7 is a view similar to that ofFIG. 6 , with the locking device in the position for releasing the lace strands; -
FIG. 8 is a cross section along the line VIII-VIII ofFIG. 5 ; -
FIG. 9 is a view similar to that ofFIG. 2 , of a second embodiment of the invention; -
FIG. 10 is a view similar to that ofFIG. 8 , of the second embodiment of the invention; -
FIG. 11 is a view similar to that ofFIG. 8 , of a third embodiment of the invention; -
FIG. 12 is a view similar to that ofFIG. 7 , for a fourth embodiment of the invention. - The first embodiment of the invention, described below, more particularly relates to footwear, such as a sports boot, and, for example, an article of footwear for the practice of cross-country or telemark skiing. However, the invention applies to other disciplines and to other fields of endeavor, as mentioned above.
- The first embodiment is illustrated below with reference to
FIGS. 1-8 . - As shown in
FIGS. 1 and 2 , an article of sports footwear, such as a cross-country ski boot, is adapted to receive the foot of the user. - As known, such as from commonly owned U.S. Patent Application Publication No. 2009/0100717, the disclosure of which is hereby incorporated by reference thereto in its entirety, the
boot 1 includes anoutsole 2 and an upper 3. Theboot 1 extends lengthwise from a rear end, or heel 4, to a front end, ortip 5; and widthwise between alateral side 6 and amedial side 7. - As shown, the upper 3 includes a
lower portion 10, provided to surround the foot of the wearer, and anupper portion 11, provided to surround the ankle and extend above the ankle. However, an article of footwear to which the invention is suitable can have only the lower portion, extending below the ankle or at the ankle. - According to the first illustrated embodiment, the
boot 1 extends height-wise, from the sole 2 to anupper end 12, that is to say, up to the free end of theupper portion 11 or of the upper 3. - The
boot 1 is structured to allow good flexion of the leg or good foot rolling movement, as well as the transmission of sensory information or steering impulses or thrusts. Therefore, the upper 3 is relatively flexible. The sole may be relatively rigid, for example for the practice of skate-skiing, i.e., with skate steps, or more flexible for the practice of classic skiing, i.e., with alternate steps. - The
boot 1 includes alateral portion 15 and amedial portion 16. Theportions - In the example shown, the
portions portions boot 1 has afoot insertion opening 17, which extends from theupper end 12 towards thefront end 5. Towards theupper end 12, theopening 17 has anupper subdivision 18 adapted to allow the foot therethrough, and also to surround the ankle after the boot is put on. In the area of the instep, between theupper end 12 and thefront end 5, theopening 17 has alower subdivision 19 allowing for a variation in the dimension of the opening and the fitting volume. The upper 18 and lower 19 subdivisions are co-extensive. - The upper 3 includes a
tongue 20 arranged between the lateral 15 and medial 16 portions, in the area of thelower subdivision 19 of theopening 17, in order to provide the upper 3 with continuity. However, the tongue could be omitted. In such a case, theportions - Also, although not essential or required, the
boot 1 includes aflap 25 provided to reversibly cover thelower subdivision 19 of theopening 17. Theflap 25 extends from oneportion - According to the first embodiment, the
flap 25 is fixedly secured to themedial portion 16. Areversible closure 26 makes it possible to affix theflap 25 also to thelateral portion 15. For example, thereversible closure 26 includes a zipper. However, any other structure could be provided to obtain the closure, such as a series of snap-fasteners, for example. - The
boot 1 also comprises atightening system 30 provided to reversibly tighten zones of the upper 3. The tighteningsystem 30 includes a first linkage orlace strand 31 and a second linkage orlace strand 32, provided to exert a reversible tightening of the upper 3 towards the instep, in the area or zone of thelower subdivision 19 of theopening 17. The tighteningsystem 30 also includes a third linkage orlace strand 33, provided to exert a reversible tightening around the heel or the ankle, that is to say, towards the rear end or heel 4. The word “lace” is used as a term of convenience and not to limit such tightening linkage to a particular type and includes elements such as those described as laces or as cords, ropes, cables, filiform elements, etc., made of different respective materials suitable for its application. Further, such linkages can have any of various cross sections, diameters, and thicknesses, such cross sections including circular, oval, flat, rectangular, etc. - With respect to the
lower subdivision 19 of theopening 17 or of what can be referred to as a tightening zone, in a non-limiting arrangement and according to the first embodiment, the tighteningsystem 30 includeslateral keepers lateral portion 15. The tighteningsystem 30 also includesmedial keepers medial portion 16. The lateral and medial keepers are affixed to the upper 3 in the area of thelower subdivision 19 of thefoot insertion opening 17. Thekeepers 35 to 38 and 40 to 43 are sliding keepers, so that the linkages/strands - According to the first illustrated embodiment, the
first linkage 31 is a lace strand and thesecond linkage 32 is also a lace strand. Thefirst lace 31 andsecond lace 32 extend one another, i.e., they are co-extensive, to form a loop, in the area of the forwardmost portion of thelower subdivision 19 of thefoot insertion opening 17 or tightening zone. The first 31 and second 32 lace strands could alternatively be provided to remain distinct. In this case, they would be attached to the upper 3, for example in the area of the forwardmost portion of thelower subdivision 19. - Each
lace strand lateral portion 15 to themedial portion 16, passing through some of thelateral keepers 35 to 38 andmedial keepers 40 to 43. The tightening of the upper 3 in the area of thelower subdivision 19, including tensioning thelace strands - Initially, with respect to tightening the heel or the ankle, the tightening
system 30 includes a lateralinitial keeper 45 located on thelateral portion 15, at the border between thelower portion 10 and theupper portion 11 of the upper 3. The tighteningsystem 30 also includes a lateralintermediate keeper 46, located on thelateral portion 15, between theinitial keeper 45 and thefront end 5. The initial 45 and intermediate 46 keepers are sliding keepers, as described further below. The tighteningsystem 30 further includes afinal keeper 47, located on themedial portion 16. Thefinal keeper 47 is fixed. The opposite is also within the scope of the invention. In such case, there would be a sliding initial keeper on the medial portion, a sliding intermediate keeper on themedial portion 16, and a fixed final keeper on thelateral portion 15. - In any case, the
third linkage 33 comprises alace strand 48 and a linkage in the form of astrap 49, the lace and the strap being co-extensive. Thethird linkage 33 passes through the slidinginitial keeper 45, then through the slidingintermediate keeper 46, and then runs along the upper 3 by extending around the heel, between the sole 2 and theupper end 12, to arrive at the fixedfinal keeper 47. Consequently, thelace strand 48 passes through the slidingkeepers lace 48 between theintermediate keeper 46 and thefinal keeper 47. - Finally, the locking
device 51 according to the first embodiment of the invention is structured and arranged for exactly three linkages orlace strands - The overall tightening of the upper 3, that is to say, in the area of both the
lower subdivision 19 and the heel or ankle, is explained next. - Initially, the tightening
system 30 of theboot 1 includes adevice 51 for locking thelace strands FIGS. 1 and 2 , but alsoFIGS. 3 to 8 , thedevice 51 for locking thelace strands hollow body 52 demarcating acavity 53. The cavity defines at least onepassageway lace strands device 51 includes a lockingmember 58, which is movable between a locking position and a release position, thedevice 51 functioning via cooperation of the lockingmember 58 with eachpassageway lace strand elastic mechanism 59 biases the lockingmember 58 towards the locking position. - According to the invention, the locking
device 51 is structured and arranged for at least threelace strands single locking member 58 cooperates with all of the laces which, here, are for example three in number. Therefore, the lockingmember 58 immobilizes or releases all of the laces. In the locking configuration, all thelace strands device 51 according to the invention maintains the tension states of the lace strands in their respective tightness levels. Thedevice 51 according to the invention is advantageously simple, due to its structure, and it is easy to use. - As shown more particularly in
FIG. 3 , the lockingdevice 51, according to a non-limiting embodiment, includes three parts, including thehollow body 52, the circular-shaped lockingmember 58, and a pusher or push-button 60 located outside of thebody 52 and connected to the lockingmember 58 for maneuvering the locking member. The push-button 60 actuates the lockingmember 58 in translation. - The locking
member 58 here is comprised of a wheel provided withteeth 65 on its periphery. In the center of thewheel 58 is ahole 66 aligned with acountersink 67 to define aneyelet 68 for the ratchet-reception of anaxle 69 of the pusher, which constitutes the axis of rotation of thewheel 58. Theaxle 69, circular and extending directly from thepusher 60, has an outward projectingside 70 for connection to thewheel 58. Theside 70 has anaxial slit 71 along a portion of its length, and is recessed by a peripheral receivinggroove 72 for receiving thewheel 58. The end of the outward projecting side has the shape of a truncated cone. Thewheel 58 is rotatably mounted on theaxle 69. In practice, only one rotation of a few degrees is necessary to complete the balancing of the tensions, during the locking. Alternatively, it is possible for the wheel to be fixed, i.e., not to be rotatable. - This structure enables the ratchet-assembly of the
wheel 58 onto theaxle 69, whereby the two are press-fitted, or snapped, together. - The
body 52, as shown inFIGS. 6 and 7 , internally demarcates thecavity 53 adapted to house thetoothed wheel 58 and defines, as described below, twopassageways lace strands - To mount the
locking device 51, thewheel 58 is positioned within thecavity 53 of thebody 52 by passing through anopening 78 provided at one axial end of the body, and thepusher 60 is snap-fastened via itsaxle 69 in theeyelet 68 of thewheel 58 by extending through the wall of theupper surface 79 of thebody 52 through aslot 80 arranged in theupper surface 79, or upper wall, along an axial longitudinal direction of the body. - The pusher or push-
button 60 thus mounted is translationally movable in relation to thebody 52, along theslot 80, and in the longitudinal direction of thehollow body 52, along the direction of the arrows L or S shown inFIGS. 4 and 5 , for example. - The dimensions of the
groove 72 andhole 66 of thewheel 58 are provided so that thewheel 58 is mounted to rotate freely about theaxle 69. -
FIGS. 6 , 7, and 8 more particularly show the embodiment of thepassageways wheel 58 therewith. - The
passageways cavity 53, along each of the twolateral surfaces body 52, and compriseserrations 83. - In order to receive the
laces passageways straight segments 84, as shown inFIG. 8 . As explained further below, this promotes a strong pinching of thelace strands member 58 and an associatedpassageway - According to the first embodiment, the height h of the
cavity 53 is equal to the thickness e of the lockingmember 58, increased by a functional clearance j. This functional clearance j is between 0 and 15% of the thickness e of themember 58, taking into account that values between 2 and 7% yield good results. The height of the cavity and of the locking member also corresponds to that of two superposed lace strands. Alternatively, the locking member is structured and arranged such that the height, or thickness, thereof is at least sufficient to engage both of the two superposed lace strands, particularly in the locking position of the locking member. Alternatively, also, the diameter or thickness (the latter at least considered in the direction of the height h of the cavity) of a respective lace strand, in a tensioned state, is no more than one-half the height h of the cavity. Stated differently, in the orientation of the exemplary non-limiting embodiment of the locking device shown inFIGS. 1 and 2 , for example, the two superposed lace strands are superposed in a longitudinal vertical plane, or substantially so, with the boot outsole supported on a horizontal surface. - The
cavity 53 of thehollow body 52 defines twopassageways lace strands first passageway 54 along the firstlateral surface 81 and asecond passageway 55 along the secondlateral surface 82. The lockingmember 58 is arranged in thecavity 53, between the first 54 and second 55 passageways of thelace strands passageway cavity 53 and is adapted to receive at least two superposed lace strands. This guides thelace strands wheel 58. More specifically, thefirst passageway 54 here guides twolace strands second passageway 55 guides asingle lace 32. In the locking situation, unexpectedly, as further described below, thedevice 51 maintains the tightening or locking of the threelace strands - In order to maintain each of the
lace strands passageway wheel 58 is in a release position, the shortest distance between the lockingmember 58 and apassageway wheel 58, theupper surface 79, and thelower surface 85 each have a shape elongated in a direction perpendicular to the upper 79 and lower 85 surfaces. This keeps the twolace strands member 58, in the direction perpendicular to thesurfaces lace strands passageway 54 and the lockingmember 58. As a result, the strands are locked or unlocked simultaneously. - As shown in
FIGS. 6 and 7 , thepassageways symmetry 93 of thelocking device 51, in the direction S. - There are two end positions of the
pusher 60, one of which corresponds to the locking of thelace strands - The locking position is shown in particular in
FIGS. 6 and 8 . - As shown in
FIG. 6 , thewheel 58, which is constantly biased in the S direction in the locking position, tightens thelace strands passageways body 52. - The locking of the
lace strands passageways wheel 58. - The advantage provided by the locking via a wedging effect is that the tightening value of the
lace strands wheel 58 is proportional to the tension forces exerted on the strands and results only from these forces. - Another advantage, related to the fact that the
wheel 58 is mounted to rotate about theaxle 69, is that a difference in the tension forces F1, F2 on the lace strands does not cause jamming of the system or relative sliding of one of the strands in relation to the lockingmember 58. - An elastic mechanism, shown in particular in
FIGS. 4 and 5 , is also incorporated into thelocking device 51. This elastic mechanism may take any of various forms or shapes. - The elastic mechanism comprises two
elastic tongues 95, or tabs, for example, which extend in V-shaped formation from the center of thepusher 60, and whose free ends are provided so as to be supported on aflange 96 formed by an edge of thebody 52 to bias thepusher 60 in the locking direction S as shown inFIG. 4 . Thetongues 95 may also have a different shape. - Therefore, these
tongues 95 also bias thewheel 58 in the locking direction S, via itsaxle 69 affixed to thepusher 60. - Thus, the locking
member 58 is elastically biased in the locking direction of thelace strands rotation 69. - In the illustrated embodiment, the
axle 69, thepusher 60, and thetongues 95 are formed in one piece, i.e., a unitary element. - The parts and operation described above provide the advantage of having a precise and immediate lace locking without requiring external action on the locking
member 58. - In addition, as shown particularly in
FIG. 8 , thebody 52 hascavities body 52 during locking. - The depressions of the
cavities body 52 each correspond substantially to the shape of a surface of a finger oriented so as to exert a force in the direction S ofFIG. 6 . - It is therefore easier for the user to pull on the laces with one hand and to press on the
locking device 51 with the other hand to move the latter along the lace strands, up to the desired locking position. Once this position is reached, it suffices to release thedevice 51, without having to exert any other action on the pusher, in order to obtain the desired tightening, thewheel 58, biased by thetongues 95, automatically exerting the desired wedging effect. One advantage is that the locking manipulation is easier. - The release operation is carried out with one hand, by tension on the
locking device 51. The tension is required to bias thepusher 60 in an unlocking direction, along the direction L ofFIG. 7 . The release operation is also easier. - The other embodiments of the invention are illustrated below with reference to
FIGS. 9-12 . For convenience, the elements shared with the first embodiment are designated by the same reference numerals. Differences are highlighted. - The second embodiment, illustrated with reference to
FIGS. 9 and 10 , features aboot 1 with a tighteningsystem 30 comprising alocking device 51. - Specific to the second embodiment is that the locking
device 51 is structured and arranged for exactly fourlace strands lace strands lower subdivision 19 of thefoot insertion opening 17 or tightening zone. The other twolaces - The tightening
system 30 still includes a lateralinitial keeper 45 and anintermediate keeper 46 located, as noted, on thelateral portion 15. Similarly, the tighteningsystem 30, this time, includes a medialinitial keeper 115 and a medialintermediate keeper 116 located on themedial portion 16. Thethird linkage 117 successively includes thelateral lace 48, a surroundingstrap 118, and themedial lace 111. - In order to reversibly tighten the upper 3, the four
lace strands device 51. The latter receives two laces on eachpassageway - The third embodiment is illustrated with reference to
FIG. 11 . - The tightening
system 30 for this embodiment also functions when thelocking device 51 is operative for twolace strands - In this case, the
lace strands passage openings - The fourth embodiment is shown with reference to
FIG. 12 . Particular to this embodiment is the structure of the locking member 128. The locking member 128 has the general shape of a wedge. For example, without being limiting to this embodiment, the locking member 128 has a trapezoidal shape. Therefore, the tightening of thelace strands - In general, the invention is made from materials and using implementation techniques known to one having ordinary skill in the art. For example, each component of the locking device can be made from a plastic material.
- The invention is not limited to the embodiments described above and shown in the drawings, and includes all technical equivalents that fall within the scope of the claims that follow.
- For example, although the locking
member 58 has been described in the form of a wheel or a wedge, it may alternatively have another shape. - The locking member may also include a plurality of parts. For example, two wheels mounted on the
axle 69 of thepusher 60 to lock four lace strands can be provided. In such a case, each locking member acts for at least two lace strands, the locking device acting properly for at least three lace strands, and there is only one elastic mechanism which biases all of the locking members. - Each lace, and consequently each lace strand, is provided to have the same diameter. This facilitates the implementation of the locking device. However, laces of various diameters or thicknesses may alternatively be provided.
- The invention applies to a
tightening system 30 comprising alocking device 51 as described hereinabove. - The invention also applies to an article comprising a tightening system with the locking device. In particular, the invention relates to a
boot 1 including the tightening system described above. - In addition to the foregoing, the invention disclosed herein by way of exemplary embodiments suitably may be practiced in the absence of any element or structure which is not specifically disclosed herein.
Claims (25)
1. A device for locking lace strands, the device comprising:
a locking member;
a hollow body demarcating a cavity;
the cavity of the hollow body defining at least one passageway for passage of the lace strands;
the locking member being structured and arranged to be movable between a locking position and a release position;
in the locking position, the locking member being positioned in relation to at least the one passageway to lock each of the lace strands within at least the one passageway by a wedging effect;
in the release position, the locking member being positioned in relation to at least the one passageway to allow movement of the lace strands in relation to at least the one passageway;
an elastic mechanism biasing the locking member toward the locking position;
the locking device being structured and arranged to lock at least three lace strands;
at least the one passageway being structured and arranged to receive, superposed, at least two of the at least three lace strands.
2. A locking device according to claim 1 , wherein:
a height of the cavity is equal to a thickness of the locking member, increased by a functional clearance.
3. A locking device according to claim 1 , wherein:
a height of the cavity is equal to the combined cross-sectional heights of the two superposed lace strands.
4. A locking device according to claim 3 , wherein:
the locking member is structured and arranged to have a thickness sufficient to engage both of the two superposed lace strands in the locking position of the locking member.
5. A locking device according to claim 1 , wherein:
the at least one passageway comprises a first passageway and a second passageway, both defined by the cavity of the hollow body, for passage of the at least three lace strands;
the locking member is arranged in the cavity between the first and second passageways of the lace strands.
6. A locking device according to claim 1 , wherein:
when the locking member is in the release position, a shortest distance between the locking member and a passageway is between 40 and 75% of a height of the cavity.
7. A locking device according to claim 1 , wherein:
the locking device comprises no more than a single locking member.
8. A locking device according to claim 1 , wherein:
the locking device comprises three parts comprising:
the hollow body;
the locking member; and
a pusher located outside of the hollow body and connected to the locking member for manipulating the locking member.
9. A locking device according to claim 1 , wherein:
the locking member comprises a wheel.
10. A locking device according to claim 8 , wherein:
the locking member comprises a wheel.
11. A locking device according to claim 10 , wherein:
the wheel is positioned within the cavity;
the pusher includes an axle, the axle being snap-fastened to the wheel via the axle extending through an upper wall of the body through a slot extending through the upper wall, along an axial longitudinal direction of the body.
12. A locking device according to claim 1 , wherein:
the locking member has the general shape of a wedge.
13. A locking device according to claim 8 , wherein:
the elastic mechanism comprises two elastic tongues extending from the pusher;
the tongues have respective free ends positioned to be supported on a flange formed by an edge of the body for biasing the pusher in the locking direction.
14. A locking device according to claim 1 , wherein:
each of the three lace strands has an identical diameter or thickness.
15. A tightening system comprising:
at least three lace strands;
a locking device for locking the lace strands, the locking device comprising:
a locking member;
a hollow body demarcating a cavity;
the cavity of the hollow body defining at least one passageway for passage of the lace strands;
the locking member being structured and arranged to be movable between a locking position and a release position;
in the locking position, the locking member being positioned in relation to at least the one passageway to lock each of the lace strands within at least the one passageway by a wedging effect;
in the release position, the locking member being positioned M relation to at least the one passageway to allow movement of the lace strands in relation to at least the one passageway;
an elastic mechanism biasing the locking member toward the locking position;
the locking device being structured and arranged to lock at least the three lace strands;
at least the one passageway being structured and arranged to receive, superposed, at least two of the at least three lace strands.
16. A tightening system according to claim 15 , wherein:
a height of the cavity is equal to a thickness of the locking member, increased by a functional clearance.
17. A tightening system according to claim 15 , wherein:
a height of the cavity is equal to the combined cross-sectional heights of the two superposed lace strands.
18. A tightening system according to claim 17 , wherein:
the locking member is structured and arranged to have a thickness sufficient to engage both of the two superposed lace strands in the locking position of the locking member.
19. A tightening system according to claim 15 , wherein:
the at least one passageway comprises a first passageway and a second passageway, defined by the cavity of the hollow body, for passage of the at least three lace strands;
the locking member is arranged in the cavity between the first and second passageways of the lace strands.
20. A tightening system according to claim 19 , wherein:
the first passageway receives the superposed lace strands;
the second passageway receives a number of lace strands different from that of the superposed lace strands.
21. A tightening system according to claim 15 , wherein:
the locking device acts on no more and no less than the three lace strands.
22. A tightening system according to claim 15 , wherein:
the locking device acts on no more and no less than four lace strands.
23. An article comprising:
a tightening system comprising:
at least three lace strands;
a locking device for locking the lace strands, the locking device comprising:
a locking member;
a hollow body demarcating a cavity;
the cavity of the hollow body defining at least one passageway for passage of the lace strands;
the locking member being structured and arranged to be movable between a locking position and a release position;
in the locking position, the locking member being positioned in relation to at least the one passageway to lock each of the lace strands within at least the one passageway by a wedging effect;
in the release position, the locking member being positioned in relation to at least the one passageway to allow movement of the lace strands in relation to at least the one passageway;
an elastic mechanism biasing the locking member toward the locking position;
the locking device being structured and arranged to lock at least the three lace strands;
at least the one passageway being structured and arranged to receive, superposed, at least two of the at least three lace strands.
24. An article according to claim 23 , wherein:
the article is an article of footwear;
the article of footwear comprising:
two independent zones to be tightened;
a first of the two superposed lace strands extends to a first of the two independent zones and a second of the two superposed lace strands extends to a second of the two independent zones.
25. An article according to claim 24 , wherein:
the first of the two independent zones comprises tightening zone extending over a foot area of the article of footwear;
the second of the two independent zones comprises a tightening zone at a heel area of the article of footwear.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1101486A FR2975263B1 (en) | 2011-05-16 | 2011-05-16 | DEVICE FOR BLOCKING WIRE BRINS |
FR1101486 | 2011-05-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20120291242A1 true US20120291242A1 (en) | 2012-11-22 |
Family
ID=45976050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/471,937 Abandoned US20120291242A1 (en) | 2011-05-16 | 2012-05-15 | Locking device for lace strands, tightening system having such device, and footwear having such system |
Country Status (6)
Country | Link |
---|---|
US (1) | US20120291242A1 (en) |
EP (1) | EP2524610A1 (en) |
CN (1) | CN102783764A (en) |
CA (1) | CA2774160A1 (en) |
FR (1) | FR2975263B1 (en) |
RU (1) | RU2012120119A (en) |
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GB2533809A (en) * | 2014-12-31 | 2016-07-06 | Start-Rite Shoes Ltd | Footwear retention arrangement and footwear item |
US20170265574A1 (en) * | 2016-03-15 | 2017-09-21 | Nike, Inc. | Article Of Footwear With A Tensioning System Including A Guide Assembly |
CN108741427A (en) * | 2016-07-22 | 2018-11-06 | 耐克创新有限合伙公司 | Article of footwear |
US20190320761A1 (en) * | 2018-04-20 | 2019-10-24 | Funletz LLC | Ornamental Structure for Attachment to Aglets, Zippers, and Cords |
US10561202B1 (en) * | 2015-02-25 | 2020-02-18 | Matthew T. Hauser | Catch mechanism for an elongated member |
JP2020519399A (en) * | 2017-05-25 | 2020-07-02 | ナイキ イノベイト シーブイ | Rear closing upper for footwear products with front zipper to rear cord connection |
US20210112924A1 (en) * | 2019-10-18 | 2021-04-22 | Nike, Inc. | Easy-access article of footwear with cord lock |
US11129447B2 (en) | 2018-09-06 | 2021-09-28 | Nike, Inc. | Dynamic lacing system with feedback mechanism |
US11154113B2 (en) | 2017-05-23 | 2021-10-26 | Nike, Inc. | Footwear upper with lace-engaged zipper system |
US11253023B2 (en) | 2016-10-26 | 2022-02-22 | Nike, Inc. | Upper component for an article of footwear |
US20220142302A1 (en) * | 2020-11-06 | 2022-05-12 | Darren Itskowitz | Restraining Device to Inhibit Removal of Footwear |
WO2022120205A1 (en) * | 2020-12-04 | 2022-06-09 | Boa Technology Inc. | Reel based closure device |
US11382390B2 (en) * | 2018-09-19 | 2022-07-12 | Nike, Inc. | Zonal dynamic lacing system |
US20230075104A1 (en) * | 2019-10-03 | 2023-03-09 | Nike, Inc. | Dynamic lacing system |
WO2023107338A1 (en) * | 2021-12-07 | 2023-06-15 | Brad Pelkofer | Tension maintaining system for footwear laces |
US11805859B2 (en) | 2018-05-09 | 2023-11-07 | Brad Pelkofer | Tension maintaining system for footwear laces |
USD1007110S1 (en) | 2022-03-23 | 2023-12-12 | Mountain Origins Design LLC | Footwear |
USD1007826S1 (en) | 2022-03-23 | 2023-12-19 | Mountain Origins Design LLC | Footwear |
USD1007825S1 (en) | 2022-03-23 | 2023-12-19 | Mountain Origins Design LLC | Footwear |
USD1008611S1 (en) | 2022-03-23 | 2023-12-26 | Mountain Origins Design LLC | Footwear |
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WO2016148599A1 (en) * | 2015-03-13 | 2016-09-22 | Лев Анатольевич САХАРОВ | Lock for long elastic item |
FR3046914B1 (en) * | 2016-01-21 | 2018-09-07 | Salomon Sas | SHOE PROVIDED WITH TWO CLAMPING DEVICES |
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US10561202B1 (en) * | 2015-02-25 | 2020-02-18 | Matthew T. Hauser | Catch mechanism for an elongated member |
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US11324284B2 (en) | 2016-03-15 | 2022-05-10 | Nike, Inc. | Article of footwear with a tensioning system including a guide assembly |
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US10477912B2 (en) | 2016-07-22 | 2019-11-19 | Nike, Inc. | Dynamic lacing system |
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JP2020519399A (en) * | 2017-05-25 | 2020-07-02 | ナイキ イノベイト シーブイ | Rear closing upper for footwear products with front zipper to rear cord connection |
US20190320761A1 (en) * | 2018-04-20 | 2019-10-24 | Funletz LLC | Ornamental Structure for Attachment to Aglets, Zippers, and Cords |
US10721995B2 (en) * | 2018-04-20 | 2020-07-28 | Funletz, LLC | Structure for attachment to aglets, zippers, and cords |
US11805859B2 (en) | 2018-05-09 | 2023-11-07 | Brad Pelkofer | Tension maintaining system for footwear laces |
US11678723B2 (en) | 2018-09-06 | 2023-06-20 | Nike, Inc. | Dynamic lacing system with feedback mechanism |
US11129447B2 (en) | 2018-09-06 | 2021-09-28 | Nike, Inc. | Dynamic lacing system with feedback mechanism |
JP2021536309A (en) * | 2018-09-06 | 2021-12-27 | ナイキ イノベイト シーブイ | Dynamic racing system with feedback mechanism |
JP7162732B2 (en) | 2018-09-06 | 2022-10-28 | ナイキ イノベイト シーブイ | Dynamic race system with feedback mechanism |
US20220322790A1 (en) * | 2018-09-19 | 2022-10-13 | Nike, Inc. | Zonal dynamic lacing system |
US11382390B2 (en) * | 2018-09-19 | 2022-07-12 | Nike, Inc. | Zonal dynamic lacing system |
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US20220142302A1 (en) * | 2020-11-06 | 2022-05-12 | Darren Itskowitz | Restraining Device to Inhibit Removal of Footwear |
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WO2023107338A1 (en) * | 2021-12-07 | 2023-06-15 | Brad Pelkofer | Tension maintaining system for footwear laces |
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USD1007826S1 (en) | 2022-03-23 | 2023-12-19 | Mountain Origins Design LLC | Footwear |
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Also Published As
Publication number | Publication date |
---|---|
FR2975263B1 (en) | 2014-04-11 |
EP2524610A1 (en) | 2012-11-21 |
CN102783764A (en) | 2012-11-21 |
CA2774160A1 (en) | 2012-11-16 |
RU2012120119A (en) | 2013-11-20 |
FR2975263A1 (en) | 2012-11-23 |
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Legal Events
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AS | Assignment |
Owner name: SALOMON S.A.S., FRANCE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:DONNADIEU, THIERRY;REEL/FRAME:028357/0367 Effective date: 20120522 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |