US20150366290A1 - Stability Structure - Google Patents
Stability Structure Download PDFInfo
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- US20150366290A1 US20150366290A1 US14/313,693 US201414313693A US2015366290A1 US 20150366290 A1 US20150366290 A1 US 20150366290A1 US 201414313693 A US201414313693 A US 201414313693A US 2015366290 A1 US2015366290 A1 US 2015366290A1
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- Prior art keywords
- stability
- stability member
- curved portion
- transition point
- curved
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/026—Composites, e.g. carbon fibre or aramid fibre; the sole, one or more sole layers or sole part being made of a composite
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/16—Pieced soles
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Physical Education & Sports Medicine (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
A sole structure is provided having a stability structure. The stability structure may be located primarily in the midfoot area of the sole structure, but may extend into both the forefoot and heel regions. The stability structure may provide support along the longitudinal length of the foot so as to limit non-axial, vertical flexion. The stability structure may have various stability members that may curve in a unidirectional manner to provide targeted support to the foot of the wearer.
Description
- Not applicable.
- Not applicable.
- The present invention relates to a shoe having a stability structure.
- An article of footwear may be designed to accommodate a foot of a wearer performing various activities. Court-style activities, such as basketball, tennis, and racquetball, may include rapid lateral direction changes, lunges, and jumping that may place a high level of stress upon an the foot of the wearer. To reduce the probability of injury and improve stability during these motions, it may be desirable to provide support along the longitudinal length of the foot so as to limit non-axial, vertical flexion in, at least, the midfoot and heel area of the foot of the wearer.
- This Summary is provided to introduce a selection of concepts in a simplified form that are further described below in the Detailed Description. This Summary is not intended to identify key features or essential elements of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter. The present invention is defined by the claims.
- At a high level, aspects herein relate to a stability structure that may provide stability to a foot of a wearer while a wearer performs various activities. A stability structure, in accordance with aspects herein, may have at least four stability elements that may have a non-linear shape or a unidirectional curve in a medial-lateral plane. A stability structure may provide, among other things, support along the longitudinal length of the foot of the wearer.
- Examples are described in detail below with reference to the attached drawing figures, wherein:
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FIG. 1 provides a perspective view of a shoe having an upper and an outsole, in accordance with aspects described herein; -
FIG. 2 provides a perspective view of a bottom of a sole structure, in accordance with aspects described herein; -
FIG. 3 provides an exploded view of the sole structure having a midsole, a stability structure, and an outsole, in accordance with aspects described herein; -
FIG. 4A provides a plan view of a top of a stability structure, in accordance with aspects described herein; -
FIG. 4B provides a lateral side view of the stability structure, in accordance with aspects described herein; -
FIG. 4C provides a plan view of a bottom of the stability structure, in accordance with aspects described herein; -
FIG. 4D provides a medial side view of the stability structure, in accordance with aspects described herein; -
FIG. 4E provides a plan view of the top of the stability structure along with reference lines, in accordance with aspects described herein; -
FIG. 5A provides an exemplary shape having a bidirectional curve; -
FIG. 5B provides an exemplary shape having a unidirectional curve; -
FIG. 5C provides an exemplary shape having a unidirectional curve; -
FIG. 6A provides a perspective view of the bottom of the midsole having grooves, in accordance with aspects described herein; -
FIG. 6B provides a perspective view of the bottom of the midsole having a primary portion and a secondary portion, in accordance with aspects described herein; -
FIG. 6C provides a perspective view of the bottom of the midsole having a raised portion, in accordance with aspects described herein; -
FIG. 6D provides a perspective view of the bottom of the midsole and a sole structure, in accordance with aspects described herein; -
FIG. 7 provides a perspective view of an outsole having a cavity, in accordance with aspects described herein; -
FIG. 8A provides a perspective view of the sole structure having the stability structure and showing an outline of the stability structure, in accordance with aspects described herein; and -
FIG. 8B provides a perspective view of the sole structure having the stability structure and showing the outline of the stability structure and of a foot of a wearer, in accordance with aspects described herein. - Aspects herein related to a stability structure that may be located within a sole structure of a footwear item. The stability structure may, among other things, provide support along the longitudinal length of the foot of the wearer.
- Accordingly, at least one aspect relates to a stability structure. The stability structure may have a first stability member, a second stability member, a third stability member, and a fourth stability member. The first stability member may be integrally connected to a connecting member at a first proximal end of the first stability member. The first stability member may have a unidirectional curve in a lateral direction in a medial-lateral plane that extends to a first distal end. The second stability member may also be integrally connected to the connecting member at a second proximal end and extend in a non-curved manner in a medial-lateral plane to a second distal end. The third stability member may be integrally connected to the connecting member at a third proximal end of the third stability member. The third stability member may have a unidirectional curve of a first radius in a medial direction in the medial-lateral plane that extends to a third distal end. The fourth stability member may be integrally connected to the connecting member at a fourth proximal end of the third stability member. The fourth stability member may have a unidirectional curve of a second radius in the medial direction in the medial-lateral plane that extends to a fourth distal end. The first radius of the third stability member may be greater than the second radius of the fourth stability member.
- Another aspect relates to an outsole and a stability structure. The outsole may be one continuous element that extends from a toe end to an opposite heel end. The stability structure may have a connecting member, a first stability member, a second stability member, a third stability member, and a fourth stability member.
- The first stability member may be integrally connected at a first proximal end to the connecting member and have a first stability member first non-curved portion, a first stability member curved portion, and a first stability member second non-curved portion. The first stability first non-curved portion may be non-curved and extend from the first proximal end to a first stability member first transition point. The first stability member curved portion may extend from the first stability member first transition point in a unidirectional curve in a lateral direction in a medial-lateral plane to a first stability member second transition point. The first stability member non-curved portion may extend from the first stability member second transition point to the first distal end.
- The second stability member may be integrally connected at a second proximal end to the connecting member and extend in a non-curved manner in a medial-lateral place to a second distal end. The third stability member may be integrally connected at a third proximal end to the connecting member and have a third stability member first non-curved portion, a third stability member curved portion, and a third stability member second non-curved portion. The third stability member first non-curved portion may be non-curved extend from the third proximal end to a third stability member first transition point. The third stability member curved portion may extend from the third stability member first transition point in a unidirectional curve having a first radius in a medial direction in the medial-lateral plane to a third stability member second transition point. The third stability member second non-curved portion may extend from the third stability member second transition point to the third distal end.
- The fourth stability member may be integrally connected at a fourth proximal end to the connecting member and have a fourth stability member first non-curved portion, a fourth stability member curved portion, and a fourth stability member second non-curved portion. The fourth stability member first non-curved portion may be non-curved extend from the fourth proximal end to a fourth stability member first transition point. The fourth stability member curved portion may extend from the fourth stability member first transition point in a unidirectional curve having a first radius in a medial direction in the medial-lateral plane to a fourth stability member second transition point. The fourth stability member second non-curved portion may extend from the fourth stability member second transition point to the fourth distal end.
- Another aspect relates to a stability structure having a first stability member, a second stability member, a third stability member, and a fourth stability member. The first stability member may be integrally connected at a first proximal end to the connecting member and have a first stability member first non-curved portion, first stability member curved portion, and a first stability member second non-curved portion. The first stability first non-curved portion may be non-curved and extend from the first proximal end to a first stability member first transition point. The first stability member curved portion may extend from the first stability member first transition point in a unidirectional curve in a lateral direction in a medial-lateral plane to a first stability member second transition point. The first stability member non-curved portion may extend from the first stability member second transition point to the first distal end.
- The second stability member may be integrally connected at a second proximal end to the connecting member and extend in a non-curved manner in a medial-lateral plane to a second distal end. The third stability member may be integrally connected at a third proximal end to the connecting member and have a third stability member first non-curved portion, a third stability member curved portion, and a third stability member second non-curved portion. The third stability member first non-curved portion may be non-curved extending from the third proximal end to a third stability member first transition point. The third stability member curved portion may extend from the third stability member first transition point in a unidirectional curve having a first radius in a medial direction in the medial-lateral plane to a third stability member second transition point. The third stability member second non-curved portion may extend from the third stability member second transition point to the third distal end.
- The fourth stability member may be integrally connected at a fourth proximal end to the connecting member and have a fourth stability member first non-curved portion, a fourth stability member curved portion, and a fourth stability member second non-curved portion. The fourth stability member first non-curved portion may be non-curved extending from the fourth proximal end to a fourth stability member first transition point. The fourth stability member curved portion may extend from the fourth stability member first transition point in a unidirectional curve having a second radius in a medial direction in the medial-lateral plane to a fourth stability member second transition point. The fourth stability member second non-curved portion may extend from the fourth stability member second transition point to the fourth distal end. The first radius of the third stability member may be greater than the second radius of the fourth stability member.
- The article of footwear disclosed herein has a general configuration suitable for various activities, such as walking, running, jumping, and the like. An article of footwear may take on various forms in order to provide support to a wearer when performing various activities. Exemplary articles of footwear may include athletic shoes, sandals, dress shoes, boots, loafers, and the like. The term “shoe” may be used herein for simplicity, in reference to aspects of the articles of footwear. However, concepts described herein may be applied to a variety of other types of footwear.
- An
exemplary shoe 100 is provided inFIG. 1 , in accordance with aspects herein.Shoe 100 includes an upper 110 and asole structure 120. For reference purposes,shoe 100 may have atoe end 130, amidfoot area 132, and aheel end 134.Toe end 130 is proximate to portions ofshoe 100 that correspond with the toes and the joints connecting the metatarsals with the phalanges of a foot of a wearer, in the as-worn position. For reference purpose, the as-worn position refers to a position of the foot of the wearer in relation to the shoe when the wearer donsshoe 100.Midfoot area 132 generally includes portions ofshoe 100 corresponding with middle portions of the foot including, at least, the cuboid, navicular, medial cuniform, intermediate cuniform, and lateral cuniform bones of the foot of the wearer, in the as-worn position.Heel end 134 isopposite toe end 130 and is proximate to portions ofshoe 100 that correspond with the heel of the foot, includes the calcaneus bone of the foot of the wearer, in the as-worn position.Areas shoe 100. Rather,areas shoe 100 to aid in the following discussion. -
Upper 110 defines a cavity withinshoe 100 for receiving and securing a foot relative tosole structure 120. The cavity may be shaped to accommodate the foot and extends along a lateral side of the foot, along a medial side of the foot, over the foot, around a heel of the foot, and may extend under the foot. Access to the cavity may be provided by anankle opening 112 located near a top portion of upper 110, in the as-worn position. Various portions of upper 110 may be made from a plurality of elements, including textiles, polymer sheet layers, foam layers, leather, synthetic leather, and the like, that may be joined together or seamlessly formed (e.g. woven or knit) to provide the cavity withinshoe 100. -
Sole structure 120 may have, among other things, amidsole 122 and anoutsole 124.Sole 120 may attenuate ground reaction forces and absorbs energy asshoe 100 contacts the ground. Additionally, aspects of sole 120 may provide stability to at least the foot of the wearer during various activities, such as rapid lateral direction changes, lunges, and jumping. Further, aspects of sole 120 may also provide pronation control elements. -
FIG. 2 provides a perspective view of a bottom ofsole structure 120.Sole structure 120 may have, among other things,midsole 122, astability structure 200, andoutsole 124. For reference purposes,sole structure 120 may have alateral side 136 and an oppositemedial side 138. More particularly,lateral side 136 corresponds with an outside area of the foot (i.e. the surface that faces away from the other foot), andmedial side 138 corresponds with an inside area of the foot (i.e. the surface that faces toward the other foot).Areas sole structure 120. Rather,areas Midsole 122 may serve a variety of purposes that include supporting and controlling foot motions and attenuating impact forces that are generated when a foot contacts the ground.Midsole 122 may be formed from a variety of materials, such as phylon, polyurethane, ethyl vinyl acetate, and the like.Outsole 124 may be designed to form a ground-contacting and may be made from a variety of materials. For instance,outsole 124 may be formed from natural and/or synthetic rubber, polymers, leather, foams, and the like. As will be described further herein, aspects ofstability structure 200 may provide longitudinal support and axial decoupling about a longitudinal axis, in an as-worn position. In order to provide such support,stability structure 200 may comprise material that is durable and resistant to bending and torsional stresses. Additionally,stability structure 200 may comprise material that may retain strength at low temperatures and may be light in weight.Stability structure 200 may comprise materials such as polymers and metals, for instance.Stability structure 200 may also comprise materials that combine a polymer with glass, carbon, or metal fibers. Further,stability structure 200 may include nylon or thermoplastic urethane with a Shore D hardness of about 7 or a range between 5-8.FIG. 3 provides an exploded view ofsole structure 120, in accordance with aspects described herein. Each ofstability structure 200,midsole 122, andoutsole 124, is described in detail below. - Turning to
FIGS. 4A-D an exemplary stability structure 400 is provided, in accordance with aspects herein. Stability structure may provide, among other things, support along the longitudinal length of the foot so as to limit non-axial, vertical flexion in the midfoot and heel area. InFIG. 4A , a plan view of a top of an exemplary stability structure 400 is provided, in accordance with aspects herein. Front view of stability structure corresponds to an orientation of stability structure 400 in the as-worn position. Stability structure 400 may have afirst stability member 410, asecond stability member 420, athird stability member 430, afourth stability member 440, and a connectingmember 450.First stability member 410 has a firstproximal end 412 and a firstdistal end 414.Second stability member 420 has a secondproximal end 422 and a seconddistal end 424.Third stability member 430 has a thirdproximal end 432 and a thirddistal end 434.Fourth stability member 440 has a fourthproximal end 442 and a fourthdistal end 444. A length of a stability member may extend from the proximal end to the distal end. In aspects,first stability member 410 may be closer tolateral side 136 thansecond stability member 420,third stability member 430 may be closer tomedial side 138 thansecond stability member 420, andfourth stability member 440 may be closer tomedial side 138 thanthird stability member 430. A width of a stability member extends from a first side to a second side as viewed from the top or bottom, as depicted inFIG. 4A . For example, thestability member 440 has a width extending between afirst side 445 and asecond side 447. It is contemplated that the width between a first side (e.g., first side 445) and a second side (e.g., second side 447) may vary along a length of a stability member. -
FIG. 4B provides a side view of a lateral side of stability structure 400, in accordance with aspects herein. For reference purposes, adotted line 497 is provided to illustrate alower area 498 and anupper area 499 of stability structure 400. As will be described further herein,lower portion 498 may correspond to a portion of stability structure 400 that may rest within grooves ofmidsole 122.Upper portion 499 may correspond to a portion of stability structure 400 that may not be embedded into grooves ofmidsole 122 and therefore, may be exposed outside ofmidsole 122, in the as-worn position. In some aspects, connectingmember 450 may not be embedded into grooves ofmidsole 122.FIG. 4C provides a plan view of a bottom of stability structure 400, in accordance with aspects herein.FIG. 4D provides a side view of medial side of stability structure 400, in accordance with aspects herein. - As illustrated in
FIG. 4B a stability member has a height that includes both thelower area 498 and theupper area 499, which may be measured at the greatest distance. For example, the stability structure has a height extending between afirst surface 449 and asecond surface 451 that is measure at a location that provides the greatest distance between the two surfaces, in an exemplary aspect. It is contemplated that the height between a first surface (e.g., first surface 449) and a second surface (e.g., second surface 451) may vary along a length of a stability member. - A ratio between the height (e.g., a distance between
first surface 449 andsecond surface 451 ofFIG. 4B ) and a width (e.g., a distance between thefirst side 445 and thesecond side 447 ofFIG. 4A ) is applicable for describing a resistance to flex in a first direction relative to a second direction. For example, in an exemplary aspect, an ability to flex in a medial-to-lateral direction may be desired while limiting an ability to flex in a superior-to-inferior direction may be desired. Stated differently, some aspects contemplate having a greatest (e.g., maximum) height-to-width ratio found within the range of 1.5:1 and 8:1 for one or more stability members, for example. This range of height-to-width ratio is effective for providing a desired resistance of flex in the super-to-inferior direction relative to an amount of allowed flex in a lateral-to-medial direction. It is contemplated that the greater the ratio (e.g., the greater the height is relative to the width), the greater the discrepancy in an amount of flexibility in a vertical direction (i.e., limited) compared to a horizontal direction (i.e., less limited). - The height-to-width ratio may vary based on an intended use of an associated article of footwear. For example, an article having a sole of sufficient thickness may have a greater height-to-width ratio than an article having a thinner sole. This may result from a greater amount of the stability structure height being able to be maintained within the thicker sole. Further, the height-to-width ratio may be adjusted based on a selection of material from which a stability structure (or any component e.g., a sole) is formed. For example, a material with a higher flexibility measure may also be implemented in a greater height-to-width ratio to achieve a similar flexibility profile as a material with a lower flexibility measure implemented with a lower height-to-width ratio, in an exemplary aspect. Further, it is contemplated that the height-to-width ratio of individual stability members may vary. For example, a first stability member may have a first height-to-width ratio while a second stability member may have a second height-to-width ratio, in an exemplary aspect to achieve a desired flexibility profile (e.g., stiffness) as provided herein.
- It is contemplated that any combination of height-to-width ratios may be implemented with any material in any configuration as contemplated herein. Further, it is contemplated that a stability member may have different height-to-width ratios that vary along a length of the stability member. For example, a width may change along the length, a height may change along the length, and/or the height and width may change along the length. The greatest height-to-width ratio of a stability member may be at a location between a proximal end and a distal end of the stability member such that as the proximal end and distal end of the stability member are approached from the portion of the stability member having the greatest height-to-width ratio, the height-to-width ratio reduces. Further, it is contemplated that the height-to-width ratios of two or more stability members may vary from one another at distances from their respective distal/proximal ends. Further, it is contemplated that the largest height-to-width ratios of each of two or more stability members may vary, in exemplary aspects. It is also contemplated that the greatest height-to-width ratios of two or more stability members may be equivalent, in an exemplary aspect.
- Turning briefly to
FIGS. 5A-5C , exemplary shapes 510-530 are provided to describe different types of curves, for reference purposes. InFIG. 5A shape 510 is provided.Shape 510 has afirst curve portion 512, asecond curve portion 514, afirst end 516, asecond end 518, and atransition point 519.First curve portion 512 may run fromfirst end 516 totransition point 519 ofshape 510.Second curve portion 514 may run fromtransition point 519 tosecond end 518 ofshape 510.First curve portion 512 may curve towards a different and/or opposite direction thansecond curve portion 514. For instance,first curve portion 512 may be described as curving toward a medial side whereassecond curve portion 514 may be described as curving toward a lateral side. Assuch shape 510 is said to have a bidirectional curve fromfirst end 516 tosecond end 518. InFIG. 5B ,shape 520 is provided.Shape 520 has acurve portion 522, afirst end 524, and asecond end 526.Curve portion 522 may be described as curving towards a lateral side.Curve portion 522 may be considered to extend fromfirst end 524 tosecond end 526. Becauseshape 520 has only one curve betweenfirst end 524 andsecond end 526,shape 520 may be described as having a unidirectional curve and/or may be described as curving at a uniform direction toward a lateral side.FIG. 5C providesshape 530.Shape 530 has acurve portion 534, astraight portion 532, afirst end 536, asecond end 538, andtransition point 539.Straight portion 532 may extend fromfirst end 536 totransition point 539.Curve portion 534 may extend fromtransition point 539 tosecond end 538.Curve portion 534 may be described as curving towards a lateral side. Fromfirst end 536 tosecond end 538,shape 530 curves in only one direction, towards a lateral side. As such,shape 530 may be described as having a unidirectional curve and/or may be described as curving at a uniform direction toward a lateral side. - Turning to
FIG. 4E , a plan view of a top ofstability structure 200 is provided, in accordance with aspects herein. For reference purposes,FIG. 4E provides an illustration a medial-lateral plane 459. Additionally, for reference purposes,FIG. 4E provides an illustration offirst stability member 410 with a first stability memberfirst axis 460, a first stability membersecond axis 462, and a firststability member arc 464. In addition to firstproximal end 412 and firstdistal end 414,first stability member 410 may have a first stability memberfirst transition point 466, a first stability membersecond transition point 468, a first stability member firststraight portion 416, a first stability member secondstraight portion 418, and a first stabilitymember curve portion 417. First stability member firststraight portion 416 may extend from firstproximal end 412 to first stability memberfirst transition point 466. First stability memberfirst axis 460 may correspond to first stability member firststraight portion 416 illustrating the straight nature of first stability member firststraight portion 416. First stabilitymember curve portion 417 may extend from first stability memberfirst transition point 466 to first stability membersecond transition point 468. Firststability member arc 464 illustrates an angle of first stabilitymember curve portion 417. First stabilitymember curve portion 417 may curve towardlateral side 136, in the as-worn position. First stability member secondstraight portion 418 may extend from first stability membersecond transition point 468 to firstdistal end 414. First stability membersecond axis 462 may correspond to first stability member secondstraight portion 418 illustrating the straight nature of first stability member secondstraight portion 418. Asfirst stability member 410 has only one curve between firstproximal end 412 and firstdistal end 414 that curves toward lateral side, in the as-worn position,first stability member 410 may be described as having a unidirectional curve and/or may be described as curving at a uniform direction in a medial-lateral plane toward a lateral side. Although first stability memberfirst transition point 466 and first stability membersecond transition point 468 are illustrated in specific locations atfirst stability member 410, it is contemplated that each transition point may be placed at various locations withinfirst stability member 410. -
Second stability member 420 may be linear and not have any curve and/or angle in the medial-lateral plane 459. As such,stability member 420 may be described as extending in a non-curved manner in medial-lateral plane 459. For reference purposes,FIG. 4E provides an illustration ofthird stability member 430 with a third stability memberfirst axis 470, a third stability membersecond axis 472, and thirdstability member arc 474. In addition to thirdproximal end 432 and thirddistal end 434,third stability member 430 may have a third stability memberfirst transition point 476, a third stability membersecond transition point 478, a third stability member firststraight portion 436, a third stability member secondstraight portion 438, and a third stabilitymember curve portion 437. Third stability member firststraight portion 436 may extend from thirdproximal end 432 to third stability memberfirst transition point 476. Third stability memberfirst axis 470 may correspond to third stability member firststraight portion 436 illustrating the straight nature of third stability member firststraight portion 436. Third stabilitymember curve portion 437 may extend from third stability memberfirst transition point 476 to third stability membersecond transition point 478. Thirdstability member arc 474 illustrates an angle of third stabilitymember curve portion 437. Third stabilitymember curve portion 437 may curve towardlateral side 136, in the as-worn position. Third stability member secondstraight portion 438 may extend from third stability membersecond transition point 478 to thirddistal end 434.Second axis 472 may correspond to third stability member secondstraight portion 438 illustrating the straight nature of third stability member secondstraight portion 438. Asthird stability member 430 has only one curve between thirdproximal end 432 and thirddistal end 434 that curves towardmedial side 138, in the as-worn position,third stability member 430 may be described as having a unidirectional curve and/or may be described as curving at a uniform direction in the medial-lateral plane 459 towardmedial side 138. Although third stability memberfirst transition point 476 and third stability membersecond transition point 478 are illustrated in specific locations atthird stability member 430, it is contemplated that each transition point may be placed at various locations withinthird stability member 430. - For reference purposes,
FIG. 4E provides an illustration offourth stability member 440 with a fourth stability memberfirst axis 480, a fourth stability membersecond axis 482, and fourthstability member arc 484. In addition to fourthproximal end 442 and fourthdistal end 444,fourth stability member 440 may have a fourth stability memberfirst transition point 486, a fourth stability membersecond transition point 488, a fourth stability member firststraight portion 446, a fourth stability member secondstraight portion 448, and a fourth stabilitymember curve portion 447. Fourth stability member firststraight portion 446 may extend from fourth proximal 442 to fourth stability memberfirst transition point 486. Fourth stability memberfirst axis 480 may correspond to fourth stability member firststraight portion 446 illustrating the straight nature of fourth stability member firststraight portion 446. Fourth stabilitymember curve portion 447 may extend from fourth stability memberfirst transition point 486 to fourth stability membersecond transition point 488. Fourthstability member arc 484 illustrates an angle of fourth stabilitymember curve portion 447. Fourth stabilitymember curve portion 447 may curve towardlateral side 136, in the as-worn position. Fourth stability member secondstraight portion 448 may extend from fourth stability membersecond transition point 488 to fourthdistal end 444. Fourth stability membersecond axis 482 may correspond to fourth stability member secondstraight portion 448 illustrating the straight nature of fourth stability member secondstraight portion 448. Asfourth stability member 440 has only one curve between fourth proximal end and fourthdistal end 444 that curves towardmedial side 138, in the as-worn position,fourth stability member 440 may be described as having a unidirectional curve and/or may be described as curving at a uniform direction in the medial-lateral plane 459 towardmedial side 138. Although fourth stability memberfirst transition point 486 and fourth stability membersecond transition point 488 are illustrated in specific locations atfourth stability member 440, it is contemplated that each transition point may be placed at various locations withinfourth stability member 440. - In some aspects, fourth
stability member arc 484 may be tighter than thirdstability member arc 474 such that a fourthstability member radius 485 of fourthstability member arc 484 is less than a thirdstability member radius 475 of thirdstability member arc 474. Said another way,fourth stability member 440 may curve more towardmedial side 138 thanthird stability member 430. Additionally,first stability member 410 may have a length of 499, second stability member may have a length of 498, third stability member may have a length of 497, and fourth stability member may have a length of 496.Length 498 may be greater thanlength 499,length 497 may be greater thanlength 498 andlength 496 may be lesser thanlength 497 such thatfirst stability member 410 is shorter thansecond stability member 420,third stability member 430 is longer thansecond stability member 420, andfourth stability member 440 is shorter thanthird stability member 430. - Turning to
FIG. 6A , a perspective view of a bottom ofmidsole 122 is provided, in accordance with aspects herein.Midsole 122 may have, among other things, aprimary portion 650 and asecondary portion 652.Primary portion 650 may have afirst surface 651. For reference purposes, medial-lateral plane 459 is illustrated. Withinprimary portion 650, midsole may have afirst groove 610, asecond groove 620, athird groove 630, and afourth groove 640. Each groove may have recessed areas that to allow a stability member to be inserted into the groove. -
First groove 610 may have a recessed area that is shaped to receive at least a portion, such aslower portion 498, offirst stability member 410 by being shaped to mirror an outline offirst stability member 410. Similar tofirst stability member 410,first groove 610 may have a first groovedistal end 612, a first grooveproximal end 614, a first groovefirst transition point 666, a first groovesecond transition point 668, a first groove firststraight portion 616, a first groove secondstraight portion 618, and a firstgroove curve portion 617. Anarc 664 may be illustrated for reference purposes. First groove firststraight point 616 may extend from first groove firstproximal end 614 to first groovefirst transition point 666. Firstgroove curve portion 617 may extend from first groovefirst transition point 666 to first groovesecond transition point 668.First groove arc 664 illustrates an angle of firstgroove curve portion 617. Firstgroove curve portion 617 may curve towardlateral side 136, in the as-worn position. First groove secondstraight portion 618 may extend from first groovesecond transition point 668 to first groove secondproximal end 614. It is contemplated each of a firstproximal end 614, a first groovefirst transition point 666, a first groovesecond transition point 668, a first groove firststraight portion 616, a first groove secondstraight portion 618, and a firstgroove curve portion 617 may correspond with a firstproximal end 412 ofstability structure 201 ofFIG. 4E , a first stability memberfirst transition point 466 ofstability structure 200 ofFIG. 4E , a first stability membersecond transition point 468 ofstability structure 200 ofFIG. 4E , a first stability member firststraight portion 416 ofstability structure 200 ofFIG. 4E , a first stability member secondstraight portion 418 ofstability structure 200 ofFIG. 4E , and a first stabilitymember curve portion 417 ofstability structure 200 ofFIG. 4E . -
Second groove 620 may have a recessed area that is shaped to receive at least a portion, such aslower portion 498, ofsecond stability member 420 by being shaped to minor an outline ofsecond stability member 420. Similar tosecond stability member 420,second groove 620 may be linear and not have any curve and/or angle in the medial-lateral plane 459. -
Third groove 630 may have a recessed area that is shaped to receive at least a portion, such aslower portion 498, ofthird stability member 430 by being shaped to minor an outline ofthird stability member 430. Similar tothird stability member 430,third groove 630 may have a third groovedistal end 632, a third grooveproximal end 634, a third groovefirst transition point 676, a third groovesecond transition point 678, a third groove firststraight portion 636, a third groove secondstraight portion 638, and a thirdgroove curve portion 637. Anarc 674 may be illustrated for reference purposes. Third groove firststraight portion 636 may extend from third groove first proximal 634 to third groovefirst transition point 666. Thirdgroove curve portion 637 may extend from third groovefirst transition point 666 to third groovesecond transition point 668.Third groove arc 664 illustrates an angle of thirdgroove curve portion 637. Thirdgroove curve portion 637 may curve towardmedial side 138, in the as-worn position. Third groove secondstraight portion 638 may extend from third groovesecond transition point 668 to third grooveproximal end 634. It is contemplated each of third grooveproximal end 634, a third groovefirst transition point 666, a third groovesecond transition point 668, a third groove firststraight portion 636, a third groove secondstraight portion 638, and a thirdgroove curve portion 637 may correspond with a thirdproximal end 432 ofstability structure 201 ofFIG. 4E , a third stability memberfirst transition point 476 ofstability structure 200 ofFIG. 4E , a third stability membersecond transition point 478 ofstability structure 200 ofFIG. 4E , a third stability member firststraight portion 436 ofstability structure 200 ofFIG. 4E , a third stability member secondstraight portion 438 ofstability structure 200 ofFIG. 4E , and a third stabilitymember curve portion 437 ofstability structure 200 ofFIG. 4E . -
Fourth groove 640 may have a recessed area that is shaped to receive at least a portion, such aslower portion 498, offourth stability member 440 by being shaped to minor an outline offourth stability member 440. Similar tofourth stability member 440,fourth groove 640 may have a fourth groovedistal end 642, a third grooveproximal end 644, a fourth groovefirst transition point 676, a fourth groovesecond transition point 678, a fourth groove firststraight portion 646, a fourth groove secondstraight portion 648, and a fourthgroove curve portion 647. Anarc 684 may be illustrated for reference purposes. Fourth groove firststraight point 646 may extend from fourth groove first proximal 644 to fourth groovefirst transition point 666. Fourthgroove curve portion 647 may extend from fourth groovefirst transition point 666 to fourth groovesecond transition point 668.Fourth groove arc 684 illustrates an angle of fourthgroove curve portion 647. Fourthgroove curve portion 647 may curve towardmedial side 138, in the as-worn position. Fourth groove secondstraight portion 648 may extend from fourth groovesecond transition point 668 to fourth grooveproximal end 644. It is contemplated each of fourth grooveproximal end 644, a fourth groovefirst transition point 666, a fourth groovesecond transition point 668, a fourth groove firststraight portion 646, a fourth groove secondstraight portion 648, and a fourthgroove curve portion 647 may correspond with a fourthproximal end 442 ofstability structure 201 ofFIG. 4E , a fourth stability memberfirst transition point 476 ofstability structure 200 ofFIG. 4E , a fourth stability membersecond transition point 478 ofstability structure 200 ofFIG. 4E , a fourth stability member firststraight portion 446 ofstability structure 200 ofFIG. 4E , a fourth stability member secondstraight portion 448 ofstability structure 200 ofFIG. 4E , and a fourth stabilitymember curve portion 447 ofstability structure 200 ofFIG. 4E . -
FIG. 6B provides a perspective view ofmidsole 122, in accordance with aspects herein.Secondary portion 652 ofmidsole 122 may have asecond surface 653 and aside wall 654.Second surface 653 may be recessed fromfirst surface 651 such that second surface may be closer to the bottom of the foot of the wearer thanfirst surface 651 ofprimary portion 650, in the as-worn position.Side wall 654 may have aheight 655.Second surface 653 may be recessed from first surface 651 a distance equal to theheight 655.Secondary portion 652 may allow, among other things, for various footwear component to be placed within secondary portion betweenmidsole 122 andoutsole 124. For instance, a fluid-filled bladder may be placed withinsecondary portion 652 to provide additional function to aspects described herein. - Turning to
FIG. 6C , a perspective view of a bottom ofmidsole 122 is provided, in accordance with aspects herein.Midsole 122 may have a raisedportion 658 located inprimary portion 650 that has awidth 657 that extends from at least a portion ofprimary plane 650 that is nearfirst groove 610 to at least a portion ofprimary plane 650 that is nearfourth groove 640. Raisedportion 658 may have alength 656 that extends from at least a portion ofprimary portion 650 that may be proximate firstproximal end 614, secondproximal end 624, thirdproximal end 634, and fourthproximal end 644, to an at least a portion ofprimary plane 650 that is proximate to firstdistal end 612, seconddistal end 622 thirddistal end 632, and fourthdistal end 642. Additionally, raisedportion 658 may be centered proximate a central region ofsecond groove 620 and/orcurved portion 637 ofthird groove 630. Raisedportion 658 may have aheight 655. Raisedportion 658 may provide additional depth togrooves grooves stability member grooves -
FIG. 6D illustratesstability element 200 embedded inmidsole 122 utilizinggrooves portion 658 ofmidsole 122, decreases in height due to wear may be offset. In some aspects, effects of wear and tear may be countered by utilizing a highly wear-resistant material to formstability element 200. Similarly, use of a wear-resistant material may be coupled with locating stability members above the plane of outsole such that contact with the playing surface is infrequent. - Turning to
FIG. 7 , a perspective view ofoutsole 124 is provided.Outsole 124 may be one continuous element that extends fromtoe end 130 to heel end 134 ofshoe 100 ofFIG. 1 and have acavity 710 that has acavity width 757, acavity length 756, and acavity height 755.Cavity width 757 may correspond towidth 657 of raisedportion 658,cavity length 756 may correspond tolength 656, and/orcavity height 755 may correspond toheight 655, such thatcavity 710 may fit over raisedportion 658. For instance,cavity width 757 may be approximately equal towidth 657,cavity length 756 may be approximately equal tolength 656, and/orcavity height 755 may be approximately toheight 655. - Turning to
FIGS. 8A and 8B , perspective view ofsole structure 120 havingmidsole 122,stability structure 201, andoutsole 124 is provided, in accordance with aspects herein. In some aspects, a length of each stability member ofstability element 200 may be related to an amount of resistance to non-axial, vertical flexion, provided bystability element 200. In order to provide a sufficient amount of resistance to non-axial, vertical flexion, each stability member ofstability element 200 may extend through at least a portion ofmidfoot area 132 ofsole structure 120. In some aspects, in order to permit forefoot flexion, an extent to whichstability members sole structure 120 may be controlled. - The present invention has been described in relation to particular examples, which are intended in all respects to be illustrative rather than restrictive. From the foregoing, it will be seen that this invention is one well adapted to attain all the ends and objects set forth above, together with other advantages which are obvious and inherent to the system and method. It will be understood that certain features and subcombinations are of utility and may be employed without reference to other features and subcombinations. This is contemplated by and is within the scope of the claims.
Claims (21)
1. A footwear member, the footwear member comprising:
a first stability member integrally connected at a first proximal end to a connecting member, the first stability member having a unidirectional curve in a lateral direction in a medial-lateral plane extending to a first distal end;
a second stability member integrally connected at a second proximal end to the connecting member, the second stability member extending in a non-curved manner in a medial-lateral place to a second distal end;
a third stability member integrally connected at a third proximal end to the connecting member, the third stability member having a unidirectional curve of a first radius in a medial direction in the medial-lateral plane extending to a third distal end;
a fourth stability member integrally connected at a fourth proximal end to the connecting member, the fourth stability member having a unidirectional curve of a second radius in the medial direction in the medial-lateral place extending to a fourth distal end; and
the first radius is greater than the second radius.
2. The footwear member of claim 1 , wherein the first stability member has a first stability member first non-curved portion that is non-curved, a first stability member curved portion that is curved in a unidirectional manner in the lateral direction in the medial-lateral plane, and a first stability member second non-curved portion that is non-curved.
3. The footwear member of claim 2 , wherein the third stability member has a third stability member third non-curved portion that is non-curved, a third stability member curved portion that is curved in a unidirectional manner in the lateral direction in the medial-lateral plane, and a third stability member second non-curved portion that is non-curved.
4. The footwear member of claim 3 , wherein the fourth stability member has a fourth stability member fourth non-curved portion that is non-curved, a fourth stability member curved portion that is curved in a unidirectional manner in the lateral direction in the medial-lateral plane, and a fourth stability member second non-curved portion that is non-curved.
5. The footwear member of claim 4 , wherein the first stability member first non-curved portion extends from the first proximal end to a first stability member first transition point.
6. The footwear member of claim 5 , wherein the first stability member curved portion extends from the first stability member first transition point to a first stability member second transition point.
7. The footwear member of claim 4 , wherein the third stability member non-curved portion extends from the third proximal end to a third stability member first transition point.
8. The footwear member of claim 7 , wherein the third stability member curved portion extends from the third stability member transition point to a third stability member second transition point.
9. The footwear member of claim 4 , wherein the fourth stability member first non-curved portion extends from the fourth proximal end to a fourth stability member first transition point.
10. The footwear member of claim 9 , wherein the fourth stability member curved portion extends from the fourth stability member first transition point to a fourth stability member second transition point.
11. The footwear member of claim 1 , wherein the first distal end comprises a first disk, the second distal end comprises a second disk, the third distal end comprises a third disk, and the fourth distal end comprises a fourth disk.
12. The footwear member of claim 1 , wherein at least one of the first stability member, the second stability member, the third stability member, or the fourth stability member has a maximum height-to-width ratio found in the range of 1.5:1 and 8:1.
13. The footwear member of claim 1 , wherein the first stability member has a first distance between the first proximal end and the first distal end and wherein the second stability member has a second distance between the second proximal end and the second distal end.
14. The footwear member of claim 13 , wherein the third stability member has a third distance between the third proximal end and the third distal end.
15. The footwear member of claim 14 , wherein the fourth stability member has a fourth distance between the fourth proximal end and the fourth distal end.
16. The footwear member of claim 15 , wherein the second distance is greater than the first distance, the third distance is greater than the second distance, and the fourth distance is lesser than the third distance.
17. An article of footwear comprising:
an outsole, the outsole extends in one continuous element from a toe end to an opposite heel end; and
a stability structure having a connecting member, a first stability member, a second stability member, a third stability member, and a fourth stability member,
the first stability member being integrally connected at a first proximal end to a connecting member, the first stability member having a first stability member first non-curved portion, a first stability member curved portion, and a first stability member second non-curved portion,
(a) the first stability member first non-curved portion being non-curved and extending from the first proximal end to a first stability member first transition point,
(b) the first stability member curved portion extending from the first stability member first transition point in a unidirectional curve in a lateral direction in a medial-lateral plane to a first stability member second transition point, and
the first stability member second non-curved portion being non-curved and extending from the first stability member second transition point to the first distal end;
the second stability member being integrally connected at a second proximal end to the connecting member, the second stability member extending in a non-curved manner in a medial-lateral place to a second distal end;
the third stability member being integrally connected at a third proximal end to the connecting member, the third stability member having third stability member first non-curved portion, a third stability member curved portion, and a third stability member second non-curved portion,
(a) the third stability member first non-curved portion being non-curved and extending from the third proximal end to a third stability member first transition point,
(b) the third stability member curved portion extending from the third stability member first transition point in a unidirectional curve having a first radius in a lateral direction in a medial-lateral plane to a third stability member second transition point, and
(c) the third stability member second non-curved portion being non-curved and extending from the third stability member second transition point to the third distal end; and
the fourth stability member being integrally connected at a fourth proximal end to the connecting member, the fourth stability member having a fourth stability member first non-curved portion, a fourth stability member curved portion, and a fourth stability member second non-curved portion,
(a) the fourth stability member first non-curved portion being non-curved and extending from the fourth proximal end to a fourth stability member first transition point,
(b) the fourth stability member curved portion extending from the fourth stability member first transition point in a unidirectional curve having a second radius in a lateral direction in a medial-lateral plane to a fourth stability member second transition point, and
(c) the fourth stability member second non-curved portion being non-curved and extending from the fourth stability member second transition point to the fourth distal end.
18. The article of footwear of claim 18 , wherein the first radius is greater than the second radius.
19. The article of footwear of claim 18 , wherein the first stability member is more lateral than the second stability member, the third stability member is more medial than the second stability member, and the fourth stability member is more medial than the third stability member.
20. The article of footwear of claim 18 , wherein at least one of the first stability member, the second stability member, the third stability member, or the fourth stability member has a maximum height-to-width ratio found in the range of 1.5:1 and 8:1.
21. A stability structure comprising:
a first stability member being integrally connected at a first proximal end to a connecting member, the first stability member having a first stability member first non-curved portion, a first stability member curved portion, and a first stability member second non-curved portion,
(a) the first stability member first non-curved portion being non-curved and extending from the first proximal end to a first stability member first transition point,
(b) the first stability member curved portion extending from the first stability member first transition point in a unidirectional curve in a lateral direction in a medial-lateral plane to a first stability member second transition point, and
the first stability member second non-curved portion being non-curved and extending from the first stability member second transition point to the first distal end;
a second stability member being integrally connected at a second proximal end to the connecting member, the second stability member extending in a non-curved manner in a medial-lateral place to a second distal end;
a third stability member being integrally connected at a third proximal end to the connecting member, the third stability member having third stability member first non-curved portion, a third stability member curved portion, and a third stability member second non-curved portion,
(a) the third stability member first non-curved portion being non-curved and extending from the third proximal end to a third stability member first transition point,
(b) the third stability member curved portion extending from the third stability member first transition point in a unidirectional curve having a first radius in a lateral direction in a medial-lateral plane to a third stability member second transition point, and
(c) the third stability member second non-curved portion being non-curved and extending from the third stability member second transition point to the third distal end;
a fourth stability member being integrally connected at a fourth proximal end to the connecting member, the fourth stability member having a fourth stability member first non-curved portion, a fourth stability member curved portion, and a fourth stability member second non-curved portion,
(a) the fourth stability member first non-curved portion being non-curved and extending from the fourth proximal end to a fourth stability member first transition point,
(b) the fourth stability member curved portion extending from the fourth stability member first transition point in a unidirectional curve having a second radius in a lateral direction in a medial-lateral plane to a fourth stability member second transition point, and
(c) the fourth stability member second non-curved portion being non-curved and extending from the fourth stability member second transition point to the fourth distal end; and
at least one of the first stability member, the second stability member, the third stability member, or the fourth stability member has a maximum height-to-width ratio found in the range of 1.5:1 and 8:1.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US14/313,693 US20150366290A1 (en) | 2014-06-24 | 2014-06-24 | Stability Structure |
PCT/US2015/025566 WO2015199792A1 (en) | 2014-06-24 | 2015-04-13 | Stability structure |
Applications Claiming Priority (1)
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US14/313,693 US20150366290A1 (en) | 2014-06-24 | 2014-06-24 | Stability Structure |
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US20150366290A1 true US20150366290A1 (en) | 2015-12-24 |
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US14/313,693 Abandoned US20150366290A1 (en) | 2014-06-24 | 2014-06-24 | Stability Structure |
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WO (1) | WO2015199792A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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USD894562S1 (en) * | 2019-01-10 | 2020-09-01 | Nike, Inc. | Shoe |
USD917140S1 (en) * | 2011-10-24 | 2021-04-27 | Dynasty Footwear, Ltd. | Shoe bottom |
US20210259358A1 (en) * | 2020-02-21 | 2021-08-26 | Adidas Ag | Sole comprising individually deflectable reinforcing members, shoe with such a sole, and method for the manufacture of such items |
WO2022231954A1 (en) * | 2021-04-29 | 2022-11-03 | Toray Industries, Inc. | Shoe sole |
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US20210259358A1 (en) * | 2020-02-21 | 2021-08-26 | Adidas Ag | Sole comprising individually deflectable reinforcing members, shoe with such a sole, and method for the manufacture of such items |
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Also Published As
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WO2015199792A1 (en) | 2015-12-30 |
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