CN106263222A - High stability midsole - Google Patents

Abstract

Embodiments of the present invention relate generally to field of footwear, and more particularly functional footwear class component, such as midsole, the high stability being particularly correlated with, multi-density midsole.In some embodiments, disclosed here midsole is possible to prevent excessively turning up and/or excessive varus of user foot.The midsole of high stability disclosed herein can include a buffer element and arch member.In various embodiments, the damper element that arch member may be structured to arch portion mates, and can include at least one side afterbody, is configured to the inner or outer justified margin of heel parts with buffer element.It addition, midsole and can be integrated with the buffer area with different response characteristic regions.

Description

High stability midsole

The application is the patent of invention of entitled " High-stability multi-density midsole " in submission on March 19th, 2012 The divisional application of application 2012800141136.

Cross-Reference to Related Applications

This application claims Application No. 61/454441, publication date be on March 18th, 2011, it is entitled that " how close high stability is Degree midsole " the priority of U.S. Provisional Patent Application, entire contents is by here citing addition.

Technical field

Embodiment in this is usually directed to the field of footwear, more specifically it relates to the parts of functional footwear, such as in Portion's sole.

Background technology

Since the midsole of buffering is introduced into running shoe, reduce the injury Ground shock waves about foot.Adjoint , runner by increase stride and more towards heel trailing flank edge land adapt to have cushion pad and run Footwear.This adaptation can be associated with excessive foot/ankle motion.And then, if initial Eversion velocity is too high or maximum Valgus angle is too big, injury of turning up, such as reverse and eversion sprain, is believed to occur.

In order to alleviate the negative effect of cushion pad heel, modern running shoe develops into has different midsole firmness zone Feature.Heel " cushion pad " is midsole feature soft, that edge is inclined-plane, and it is easy to when heel strike ground The compression in middle shoe pad rear flank portion." inner side paster (medial posting) " is common midsole feature, is designed as reducing Maximum is turned up.When paces transmit to middle attitude from heel, foot turns up bigger, until it runs at arch of foot and only at foot There is at bow rear portion the opposing of the midsole reinforcement of less compressibility.

These concepts are all efficiently used local midsole hardness, with when running on flat road surface, such as road Controlling motion, wherein heel lands is measurable and repeatably.But, for cross-country runner (trail runner), Road surface is the most changeable and more unpredictable.Smooth, firm road by by multiple different brackets scope (road surface) substitute, its by Loose sandstone, handstone, talus and much other material coverings.Therefore, the initial point of each step heel contact can be non- Chang Butong.Such as, if foot falls on the stone under the postmedian of running shoe heel having interior paster, hard and less Effect is forced ankle joint to rotate rapidly to opposite location by soft inner sole interlayer, and soft, edge is inclined-plane Cushion pad will not be provided that enough resistances are to contain the calamitous varus that foot is excessive He possible.

Accompanying drawing explanation

By detailed description below in conjunction with the accompanying drawings, will advantageously understand embodiment.By way of example and obstructed Cross the mode limited and show embodiment in each image of accompanying drawing.

Accompanying drawing 1A-1D shows the high stability according to multiple embodiments, absorbs impact, the end of multi-density midsole Portion (accompanying drawing 1A and 1B) and top (accompanying drawing 1C and 1D) view, it includes basic soft buffer element and harder arch of foot unit Part；

Accompanying drawing 2A-2D shows that the medial side view of the arch member shown in the accompanying drawing 1 according to multiple embodiments is (attached Fig. 2 A), bottom view (accompanying drawing 2B), lateral view (accompanying drawing 2C) and rearview (accompanying drawing 2D)；And

Accompanying drawing 3A-3D show the high stability according to multiple embodiments, absorb impact, multi-density midsole and Four examples of corresponding arch member, including: there is tail and the example (accompanying drawing 3A) of long interior rear tail after middle length is outside one's consideration, short Tail and the example (accompanying drawing 3B) of long interior rear tail after outer, there is after middle length is outside one's consideration the example (accompanying drawing 3C) of tail after in tail and middle length And the example (accompanying drawing 3D) of rear tail in there is short outer rear tail and middle length.

Detailed description of the invention

In the following detailed description, with reference to defining part thereof of accompanying drawing, and wherein by being put into practice The mode of illustrative embodiments and illustrate.It will be appreciated that and can utilize other embodiment, and other knot can be carried out Structure or change in logic, be made without departing from the scope of the present invention.Therefore, detailed description below is nonrestrictive, and real The scope executing mode is determined by appended claim and their equivalence.

Multiple operation can be described as multiple lock out operation successively, in the way of being more conducive to understand embodiment；So And, the order of description should not be construed as to imply that these operations based on this order.

This description can use the description at visual angle, such as up/down, rear/front, top/end.These descriptions are intended only to facilitate discussion And it is not intended to limit the application of disclosed embodiment.

Term can be used " to couple " and " connection " and their derivative words.It is to be understood that these terms are not Synonym each other.On the contrary, in specific embodiment, " connection " may be used to indicate that two or more elements are the most direct Physically or electrically power contact." couple " and may mean that the most physically or electrically power contact of two or more element.But, " connection Connect " can also mean that two or more element the most directly contacts each other, but still cooperate or alternately.

For the purpose of this description, the phrase with " A/B " form or with " A and/or B " form means (A), (B) or (A And B).For the purpose of this description, mean (A), (B), (C), (A and B), (A with the phrase of " A, B and C at least one " form And C), (B and C) or (A, B and C).For the purpose of this description, meaning (B) or (AB) with the phrase of " (A) B " form, A is Optional element.

This description can use term " embodiment " or " multiple embodiment ", and it can represent one or many with each Individual identical or different embodiment.It addition, term " forms ", " including ", " having " and the term similar to them, for When embodiment uses, it it is synonym.

Embodiment in this is about functional footwear base part, such as midsole, and it can reduce in heel landing Contingent the when of on road surface initially turn up and varus rate, described road surface includes unevenness, rugged surface, such as Sandstone road, handstone, talus or rut track.In some embodiments, can have complete heel area by offer The midsole in territory and realize, its long, soft spring rate can be provided to absorb when heel lands come from rock and The vibrations of fragment or impact.In multiple embodiments, disclosed midsole can also reduce at uneven, irregular surface On by heel to the middle attitude maximum valgus angle brought of conversion and varus angle.Such as, disclosed high stability sole folder Multiple examples of layer can provide foot arc structure/element, and it can guide that turn up or varus foot to centre position, passes through The middle attitude of running gait terminates phase place to tiptoe.

Although discussing particular implementation with reference to cross-country running, multiple embodiments in this can be used for multiple work Dynamic, such as run and go on a hike；Multi-motion, such as vollyball, basketball and tennis；Multiple industry, such as medicine, industry, peace Entirely, rescue and military, and other is suitably applied.

The numerous embodiments of midsole can include the most soft buffer element and harder both arch member. In multiple embodiments, the most soft buffer element can include heel parts, and it can provide buffering and absorb impact Layer, and it is configured to absorb heel and lands rock or the impact of other uneven surface and/or vibrations, and be not resulted in may be by The unstability that tradition (such as, hard) support sole interlayer brings.In multiple embodiments, arch member can be any conjunction Suitable shape, includes angular curve, parabola, hyperbola, etc..

In multiple embodiments, midsole can also include arch member, and it can be harder than soft buffer element, and And its can have one or more in and/or rear flank portion " tail ", its can along the heel parts of buffer element corresponding in Or it is antemarginal at least some of and extend.In multiple embodiments, after heel initially lands along with foot start to Front motion, in harder coherent arch member and/or after tail can then begin to correct any turning up or varus, and permissible Foot is made to return back to centre position, such as, the when of having been turned into middle attitude or tiptoe ground connection phase place by foot.Many In individual embodiment, buffer element and/or the hardness of arch member and arch member and/or the length of rear tail and/or height Can be changed, be suitable for the running/walking type of specified conditions or a set condition, such as pavement conditions, user, specific fortune Dynamic, movable or specialty, the weight of load objects of user weight, such as knapsack and distribution, the lower limb length of user or highly, or Person adapts to or corrects specific gait issues, the most excessively turns up or excessive varus.

Accompanying drawing 1A-1D shows according to multiple embodiment high stabilities, the bottom of the midsole 100 absorbing impact (accompanying drawing 1A (decomposed) and 1B (connection)) and top (accompanying drawing 1C (decomposed) and 1C (connection)) view, its Including substantially soft buffer element 110 and harder arch of foot.In multiple embodiments, buffer element 110 can include to A few heel parts 114, is configured to absorb the vibrations come from heelstrike or impulsive force, such as in uneven physical features On.In multiple embodiments, arch member 112 may be structured to mate with buffer element 110 or align, and can include One or more rear tails, such as interior rear tail 116 and/or outer rear tail 118.In some embodiments, interior rear tail 116 can be at least Center edge portion 120 partially along heel parts 114 extends, and/or outer rear tail 118 can be at least partially along heel The lateral edges 122 in portion 114 extends.

In multiple embodiments, buffer element 110 and arch member 112 can have different response characteristics, and it can To describe with density, hardness, bendability (flex), proportion and other footwear design characteristics.These different qualities can be permitted Many improvement planting bio-mechanical performance, include but not limited to improve damping of shocks, support and stability, such as, when in injustice The when of use on smooth road surface.In the embodiment as shown, (such as, having different hardness, it can to have different response characteristic To produce different softnesses or hard sensation) material be strategically arranged in and can be had in such as athlete's footwear or boots Structure in, help to reduce and initially turn up and/or varus rate and maximum are turned up and varus angle.Such as, midsole 100 can Different response characteristic regions is included, such as, at arch of foot with the one or more edges 120,122 round heel parts 114 Element 112 is arranged the material of more high density or hardness.In use, absorb what initial heel landed when heel parts 114 During impulsive force, one or more rear tails 116,118 can be used as stoping or inverting any excessively turning up or varus, and is returned back to by foot Middle position.

Although Figure 1A-1D shows that midsole 100 has the assembly (example of two independent (discrete, attachable) As, buffer element 110 and arch member 112), it will be appreciated by those skilled in the art that midsole 100 may be structured to list Only assembly, has the region of different response characteristics, i.e. damper element and frame can be composition portions of midsole Point.Such as, replacing resolution element, midsole 100 may be structured to a single structure, wherein, in some embodiments, Can have mixed transition between different density or the material of hardness, as in U.S. Patent Application No. 61/345, retouched in 978 Stating, it is by with reference to being incorporated in this.As used herein, term " mixed transition district " and any change thereof, generally refer to hand over Fork or mixing have the material (such as, foam) of different response characteristics (such as, density or hardness) so that have different sound Answer between the material of characteristic the linear or plane boundary that neither one is clear and definite, be clearly defined.

Buffer element 110 can also include arch portion 124 and forefoot 126.Therefore, in some embodiments, buffering Element 110 can form the whole upper surface of midsole 100, it is provided that the whole footwear bed of band buffering, such as, is used for providing comfortable Property and impact absorbing.In multiple embodiments, arch member 112 may also comprise one before in tail 128 and/or front outer tail 130, And foot can be made to be maintained at centre position in toe liftoff period.Additionally, front interior tail 128 and front outer tail 130 can provide the most steady Determine, and (flex) is stretched along foot front portion in the position that they can help footwear the most correct.

Although additionally, it will be understood to those of skill in the art that arch member 112 is depicted as and the end of damper element 110 Portion's surface engagement, midsole 100 can be constructed and be only used as arch member 112, or as being configured to and damper element 110 The arch member 112 of top surface coupling.Additionally, after although midsole 100 is shown as having half sole 126, arch of foot 124 and foot The part of heel 114, after it will be appreciated by those skilled in the art that the embodiment of some midsoles 100 only can include foot Heel 114 and arch portion 124.

In accompanying drawing 2A-2D, the inner side view (accompanying drawing 2A) of arch member 112, upward view shown in accompanying drawing 1A-1D are (attached Fig. 2 B), side view (accompanying drawing 2C) and rearview (Fig. 2 D), according to multiple embodiments.As shown in accompanying drawing 2A and 2C, arch member 212 can have a gauge 232, and it can change in the different areas.Such as, the thickness 232 of arch member 212 is permissible In the region (such as, in arch portion) needing bigger hardness or support bigger, and it can be in the less hardness of needs or prop up The region (such as, at heel or front foot portion) of support is less or does not exists.The thickness 232 of arch member 212 can also middle or At lateral edges bigger, such as, when needing bigger stability and protection foot so it does not varus or turn up or when.

Fig. 3 A-3D illustrates the high stability of four examples, absorbs on the midsole 300 of impact, multi-density (a-d), bag Include buffer element 310 (a-d) and its correspondence arch member 312 (a-d).According to multiple embodiments, these include, one The damper element 310a of example and corresponding arch member 312a, wherein, can having outside moderate-length of arch member 312a Rear tail 318a and long interior rear tail 316a (accompanying drawing 3A), the corresponding arch member portion of the buffer element 310b of an example 312b, wherein, described arch member 312b can have a short outer rear tail 318b and long interior rear tail 316b (accompanying drawing 3B), one The buffer element 310c of example and corresponding arch member 312c, wherein, arch member 312c can have outside moderate-length The interior rear tail 316c (accompanying drawing 3C) of rear tail 318c and moderate-length, and the buffer element unit 310d of an example is with corresponding Arch member 312d, wherein, arch member 312d can have a short outer rear tail 318d and the interior rear tail of moderate-length 316d (Fig. 3 D).

After as it can be seen, afterbody 316 (a-d), the length of 318 (a-d) can change, to adapt to specific condition or one group Condition.Such as, the outer rear tail 318a of the moderate-length shown in accompanying drawing 3A and long interior rear tail 316a can help in inner side with outer Side both direction stablizes foot, and the strong foot that is protected from can be provided excessively to turn up, and provides appropriateness to be protected against foot mistake Degree varus.In another example, the short outer rear tail 318b shown in accompanying drawing 3B can pass through with long interior rear tail 316b Strong being protected from during foot excessively turns up, such as, under a user or a set condition, it easily produced and was outside one's consideration Turn over, but there is no the risk of serious excessive varus.In example as shown in accompanying drawing 3C, have moderate-length interior rear tail 318c and The interior rear tail 316c of moderate-length, and can provide suitably to be protected against and excessively turn up and excessive varus.Finally, such as accompanying drawing In example shown in 3D, including a short outer rear tail 318d and the interior rear tail 316d of moderate-length, it can provide suitable Be protected against and excessively turn up, such as a user or a set condition, the most excessively turn up and more have than excessive varus Risk.

Fig. 3 A-3D shows outer rear tail and the length of interior rear tail, and it is to account for whole sole from heel to the length of rear tail The percentage ratio of length is measurement result.Such as, long-tail reaches about the 10% of total length, such as, about 3-14%, about 5-from heel 13% or about 7-12%.Similarly, a medium tail reaches about the 20% of total length from heel, such as, and about 15-24%, about 17-23% or about 18-21%, and short-tail reaches about the 30% of total length from heel, e.g., from about 25-37%, about 27-35%, Or about 28-33%.These length are only example, and can as required according to teachings herein to for different functions And revise.Such as, afterbody length is about the 3% of total length, 5%, 7% from heel, and short is is the pact of total length from heel 37%, 35% or 33%, or any length between them.Except changing the length of afterbody, the thickness of each afterbody and/or height Degree can be configured to the support in the desired amount of outside or inner side individually.Such as, relative to embodiment illustrated, somewhat thick Afterbody more support can be provided, and the thinnest afterbody can provide less support.

It will be appreciated by those skilled in the art that although it is not shown, front afterbody 128,228,328 (a-d) and 130,230, 330 (a-d) can be similarly altered length, to set up the degree of stability needed for producing and centering arch of foot in tiptoe liftoff period.This Outward, in multiple embodiments, each before or after tail thickness and/or height can be optimised, with provide needed for for specific User or the degree of support of a set condition.Additionally, in multiple embodiments, the thickness of arch member 112,212,312 (a-d) Degree can increase in or the region of more solid support more stable at any needs, or for heavier or higher user.Many Traditional midsole include for this purpose or in twist motion the support handle of stable sole interlayer.Although such as steel Support shank can be comprised in some embodiments, and in other embodiments, arch member 112,212,312 (a-d) is permissible Make support shank the most necessary.In some embodiments, arch member 112 can take midsole in some regions Full depth, such as in arch portion 126, such as to provide firm arch support.Additionally or alternatively, some embodiment party In formula, if needing bigger comfortableness or buffering, in specific region or whole midsole 100,200,300 (a-d), buffering Element 110,310 (a-d) can prepare thicker, such as heavier user, for specific orographic condition, or be used for having Foot pain or injured user.

In the above-described embodiment, although it will be appreciated by those skilled in the art that the only two kinds of different materials illustrated The response characteristic region (such as, buffer element 110 and arch member 112) of material, it is possible to use any number of response characteristic district Territory, such as 3,4,5,6, or the most.The most different response characteristic regions can be disposed in the structure of multiple strategy.Example As, it is possible to use an extra low-density or low-durometer material in needing extra flexibility or the place of buffering, such as, exist Heel or front foot portion, or for when user is injured or needs more buffering when.In another example, extra more The material of high density or more high rigidity can be included in and any need robust support, extra stability or extra ruggedness Region.As it has been described above, in some embodiments, the concrete structure of midsole can be tailored to meet independent user Demand, foot land mode, landform, or running type.

Although response characteristic region is herein collectively referred to as low and high (such as, because it relates to intensity, density, hardness), one Individual it will be appreciated by persons skilled in the art that these terms are relative.Such as, the response characteristic at material is at hardness, term " low " can correspond to about 40-60Asker C, or the most about 50-60Asker C.Correspondingly, at material Response characteristic is at hardness, and term " high " can correspond to about 60-75Asker C, or the most about 65- 75Asker C.In other embodiments, bigger or lower response characteristic material can also use, to meet required answering With.

In some embodiments, midsole material can around and/or on instep extend, such as pass through arch portion Bigger protection and stability are provided.In other embodiments, midsole material can around and/or on front foot portion before Extend, such as, the protection of toe is provided.In certain embodiments, midsole material can be prolonged around whole foot Stretch, and be likely to be formed part or all of upper of a shoe, such as, extra ankle support or foot protection are provided in footwear or boots.? In some embodiments, the part of the midsole material extending past midsole can include low density material, the most additionally Soft response elastomeric material.

Different response characteristics can be realized by being suitable for the various materials of sole sandwich structure.Such as, real at some Executing in mode, EVA expanded material can be formed or be cut into required size and shape, with formed buffer element 110,210, 310 (a-d) and/or arch member 112,212,312 (a-d), and two assemblies can be glued or otherwise fix Together.Various midsole forming techniques are known, such as preforming and compression forming, injection moulding, granule topple over And similar.In other embodiments, foam of polymers granule (such as EVA granule) is arranged such that being compressed into of granule Type brings the mixing of the different response characteristics in transition region.In other embodiments, midsole can include one or more Other type of with foam or the material of solid form, such as rubber EVA, polyurethane, thermal plastic elastomer, polyolefin, rubber, or Other suitable midsole/construction of footwear material any.

Although some embodiment is shown and described herein, it will be understood by those skilled in the art that for reaching identical The various replacements of purpose and/or the embodiment of equivalence or application can replace the embodiment illustrating and describing, and not Deviation scope.It should be understood readily by those skilled in this art, embodiment to implement in the most wide variety of mode.The application It is intended to any amendment or the change of embodiments discussed herein.It will therefore be apparent that embodiment is only wanted by right Ask and of equal value and limit.

Claims (26)

1. a high stability midsole, including:

Foam buffer element, including arch portion and heel parts；And

Foam arch member, is configured to match, in wherein said arch member includes one with the buffer element in arch portion Tail after outside rear tail and one, this interior rear tail extend to the heel parts of buffer element inward flange and with the heel of buffer element The inward flange alignment in portion, this outer rear tail extend to the heel parts of buffer element outward flange and with the heel parts of buffer element Outward flange alignment；

Wherein this heel parts includes first foam with 40-60Asker C；

Wherein this arch member includes second foam with 60-75Asker C；And

Wherein the Asker C of this second foam is higher than the Asker C of this first foam.

High stability midsole the most according to claim 1, wherein this first foam is including the combination of mixed transition District is attached to this second foam, and wherein this land Asker C higher than this first foam Asker C and less than this The Asker C of two foams.

High stability midsole the most according to claim 1, wherein this first foam includes the bubble of 50-60Asker C Foam.

High stability midsole the most according to claim 1, wherein this second foam includes the bubble of 65-75Asker C Foam.

High stability midsole the most according to claim 1, wherein this interior rear tail is long and reaches complete from heel Long 3-14%, and wherein this outer rear tail is moderate-length and the 15-24% reaching total length from heel.

High stability midsole the most according to claim 1, wherein this interior rear tail is long and reaches complete from heel Long 3-14%, and wherein this outer rear tail is short and reaches the 25-37% of total length from heel.

High stability midsole the most according to claim 1, wherein this interior rear tail is moderate-length and reaches from heel To the 15-24% of total length, and wherein this outer rear tail is moderate-length and the 15-24% reaching total length from heel.

High stability midsole the most according to claim 1, wherein this interior rear tail is moderate-length and reaches from heel To the 15-24% of total length, and wherein this outer rear tail is short and reaches the 25-37% of total length from heel.

High stability midsole the most according to claim 1, wherein this interior rear tail is moderate-length and reaches from heel To the 15-24% of total length, and wherein this outer rear tail is long and reaches the 3-14% of total length from heel.

High stability midsole the most according to claim 1, wherein this interior rear tail is longer than outer rear tail.

11. high stability midsoles according to claim 1, wherein this interior rear tail is shorter than outer rear tail.

12. high stability midsoles according to claim 1, wherein this interior rear tail and the length substantially phase of this outer rear tail With.

13. high stability midsoles according to claim 1, wherein buffer element farther includes front foot portion, and Wherein arch member includes interior front tail and outer front tail, and the inward flange that this interior front tail is configured to the front foot portion with buffer element aligns, The outward flange that this outer front tail is configured to the front foot portion with buffer element aligns.

14. high stability midsoles according to claim 12, wherein interior front tail is longer than outer front tail.

15. high stability midsoles according to claim 1, wherein midsole is configured to customizable, with suitable In specific user, gait issues or physical features.

16. high stability midsoles according to claim 1, wherein buffer element and arch member are midsoles Two stand-alone assemblies.

17. high stability midsoles according to claim 1, wherein buffer element and arch member are midsoles Integral component.

18. 1 kinds of high stability midsoles, including:

Buffer element, including front foot portion, arch portion and heel parts, wherein heel parts includes 40-60Asker C foam；With And

Arch member, including 60-75Asker C foam, and is configured to match with the buffer element in arch portion, Qi Zhongsuo State arch member to include:

Tail after in, is configured to extend to the inward flange of the heel parts of buffer element the inner edge of the heel parts with buffer element Edge aligns；

Tail after outer, is configured to extend to the outward flange of the heel parts of buffer element the outside of the heel parts with buffer element Edge aligns；

Tail before in, the inward flange being configured to the front foot portion with buffer element aligns；And

Tail before outer, the outward flange being configured to the front foot portion with buffer element aligns；

Wherein the Asker C of this arch member is higher than the Asker C of buffer element.

19. high stability midsoles according to claim 18, wherein interior rear tail is longer than outer rear tail.

20. high stability midsoles according to claim 18, wherein interior rear tail is shorter than outer rear tail.

21. high stability midsoles according to claim 18, wherein interior rear tail and the same length of outer rear tail.

22. high stability midsoles according to claim 18, wherein interior front tail is longer than outer front tail.

23. high stability midsoles according to claim 18, wherein buffer element and arch member are midsoles Two stand-alone assemblies.

24. high stability midsoles according to claim 18, wherein buffer element and arch member are midsoles Integral component.

25. high stability midsoles according to claim 18, wherein this buffer element is including the knot of mixed transition Close district and be attached to this arch member, and the Asker C of wherein this land is higher than the Asker C of this buffer element and less than should The Asker C of arch member.

26. 1 kinds of high stability midsoles, including:

Flexible foam buffer element, including arch portion and heel parts and the portion extended between arch portion and heel parts Point；And

Flexible foam arch member, matches with buffer element, and wherein said arch member includes: a main body, crosses at foot Bow portion extends to outer peripheral whole width from the inward flange of midsole；Tail after in one, extends from this main body and extends To the inward flange of heel parts of buffer element and align with the inward flange of the heel parts of buffer element and contact；After one outer Tail, extends towards heel parts from this main body, and extend to the heel parts of buffer element outward flange and with buffer element The outward flange of heel parts aligns and contacts；

Wherein the density of this heel parts is less than the density of this arch member；

Wherein this heel parts is attached to this arch member in the land including mixed transition；And

The wherein density of this land density higher than this heel parts the density less than this arch member.