CN110022713A - The footwear sole construction with extension board for article of footwear - Google Patents

Abstract

Article of footwear includes vamp and footwear sole construction, which has extension, which keeps during stepping forth and ground face contact, is applied to the period that the load of footwear sole construction is slowed down to extend.Footwear sole construction includes capsule, which has fluid-filled chamber, and fluid-filled chamber is at least partially disposed in extension.Vamp has shoes front area, and shoes front area has boundary foremost.Footwear sole construction has a shoes front part below shoes front area, and from the extension that shoes front part extends forward.Extension extends to distal end from the leading edge of shoes front part in front of the boundary foremost of vamp.The top side face of extension is spaced apart between leading edge and distal end with vamp.Extension establishes the propulsion surface on the boundary foremost more than vamp during stepping forth.

Description

The footwear sole construction with extension board for article of footwear

Cross reference to related applications

This application claims the priority of the U. S. application for the Serial No. 15/358,813 submitted on November 22nd, 2016 Equity, the U. S. application are integrally incorporated accordingly by reference with it.

Technical field

This introduction generally comprises footwear sole construction and the article of footwear with footwear sole construction.

Background

Footwear generally include sole, which is configured to below the foot positioned at wearer, by foot and ground or Floor surface is spaced apart.Footwear sole construction is designed to provide the buffering of required degree.Especially sport footwear is sometimes in sole Buffering is provided using polyurethane foam or other elastic materials in structure.For article of athletic footwear, footwear sole construction tool The surface that promising specific motor activity provides contact ground of enough attachment frictional forces with durability is also beneficial.

Brief description

Fig. 1 is the schematic side view with the article of footwear of footwear sole construction, which has plate, and plate has extension Point.

Fig. 2 is the schematic side view of the article of footwear of Fig. 1 in the first motion stage.

Fig. 3 is the schematic side view of the article of footwear of Fig. 1 in the second motion stage.

Fig. 4 is the schematic side view of the article of footwear of Fig. 1 in third motion stage.

Fig. 5 is the elevational schematic view of the article of footwear of Fig. 1.

Fig. 6 is the decomposition schematic side view of the plate of Fig. 1；

Fig. 7 is the partial schematic plan view of traction elements, which, which is also shown in, is fixed to The plate of article of footwear in Fig. 5.

Fig. 8 is the cross-sectional view of the traction elements of the Fig. 7 intercepted at line 8-8 in Fig. 7.

Fig. 9 is the elevational schematic view with the article of footwear of plate, which has alternative extension.

Figure 10 is the elevational schematic view with the article of footwear of plate, which has another alternative extension.

Figure 11 is the schematic side view with the article of footwear of plate, which has alternative extension.

Figure 12 is the schematic side view with the article of footwear of plate, which has another alternative extension.

Figure 13 is the partial schematic plan view of another alternative extension of the plate for Fig. 1.

Figure 14 is the partial schematic plan view of another alternative extension of the plate for Fig. 1.

Figure 15 is the partial side perspective diagram with the article of footwear of footwear sole construction, which has extension Point.

Figure 16 is the forward sight perspective diagram of the article of footwear of Figure 15.

Figure 17 is the fragmentary bottom schematic diagram of the article of footwear of Figure 15.

Figure 18 is the schematic partial cross-sectional view of the article of footwear of the Figure 15 intercepted at line 18-18 in Figure 17.

Figure 19 is the schematic side view of the article of footwear of Figure 15.

Figure 20 is the schematic side view of the article of footwear of Figure 15 in the first motion stage.

Figure 21 is the schematic side view of the article of footwear of Figure 15 in the second motion stage.

Figure 22 is the schematic side view of the article of footwear of Figure 15 in third motion stage.

Figure 23 is the schematic side view with the article of footwear of footwear sole construction, which has extension.

Figure 24 is the schematic side view with the article of footwear of footwear sole construction, which has extension.

Figure 25 is the schematic side view with the article of footwear of footwear sole construction, which has extension.

Detailed description

Article of footwear has footwear sole construction, which has extension, which is provided for being pushed forward Into surface region, the surface region keep during step forth with ground face contact, be applied to footwear sole construction to extend The period that load is slowed down.Article of footwear includes vamp and footwear sole construction.Vamp has shoes front area, and shoes front area has Boundary (foremost extent) foremost.Footwear sole construction has the shoes front part below the shoes front area of vamp, with And from the extension that shoes front part extends forward.Footwear sole construction includes the capsule with fluid-filled chamber, fluid filling Chamber is at least partially disposed in extension.Extension is in front of the boundary foremost of vamp from the front of shoes front part Edge extends to distal end, and the top side face of extension between the leading edge and distal end of shoes front part with vamp It is spaced apart.Extension establishes the propulsion surface (propulsion on the boundary foremost more than vamp during stepping forth surface).The energy for deforming footwear sole construction in a manner of compressing and/or is curved inputted during stepping forth by wearer Amount is stored as strain energy of distortion (that is, potential energy).In the relatively rear segment to step forth, when load is removed from propulsion surface, dress The some parts of the stored energy of person can return to wearer, to save energy and reduce energy loss.

In in terms of the disclosure, footwear sole construction includes the elastic sole component being arranged between vamp and extension. For example, elastic sole component can be resilient foam midsole.Elastic sole component is in the top side face of extension in shoes Side extends in front.Extension can extend forwardly beyond the forefront boundary (forward-most of elastic sole component extent).Capsule can extend forwardly beyond the forefront boundary of elastic sole component.

Footwear sole construction can also include the footwear outer bottom below extension.It includes the contact for promoting surface that footwear outer bottom, which has, The surface on ground.In other words, extension allows the contact ground bigger than the footwear sole construction for terminating at shoes front part Surface.

In in terms of the disclosure, capsule can also extend in shoes front part, at least partly in shoes mid portion Extend, but does not extend in heel portion.Capsule may include linking element (tether element), this links element from capsule Lower inner surface to capsule upper inside surface cross over fluid-filled chamber.

Capsule can be at least partially disposed in the shoes front part of footwear sole construction, and can in shoes front area It is extended outwardly on the outside of vamp on outside, and faces out and prolong on the inside of vamp on inside in shoes front area It stretches.In addition to being located at below capsule in extension, footwear outer bottom also is located at vamp laterally outwardly extending position in capsule Below capsule.Therefore, other than extending the surface for contacting ground in the front of shoes front part, footwear sole construction is also in transverse direction The surface on contact ground is increased on direction.

In in terms of the disclosure, footwear sole construction includes other plate, and the other plate is at least partly in extension It is middle to extend simultaneously adjacent bladder setting, so that the plate connects (interface) with capsule during stepping forth.Other plate can be in capsule Below and connect with the lower surface of capsule.Other plate can be located at the upper surface of capsule and connect with the upper surface of capsule.It can be with There are two other plate, the first other plate and the second other plate, following table of the first other plate below capsule and with capsule Face connects, and the second other plate is located above capsule and connects with the upper surface of capsule.

In in terms of the disclosure, extension and shoes front part have substantially equal along the length of footwear sole construction Radius of curvature.

In in terms of the disclosure, footwear sole construction includes capsule and elastic sole component.Capsule has top side face and and top side face Opposite bottom side.Top side face is than bottom side closer to vamp.Elastic sole component be arranged on vamp and capsule top side face it Between, and extend in front of the boundary foremost of vamp.Extension is established more than vamp foremost during stepping forth The propulsion surface with ground face contact on boundary.

In in terms of the disclosure, footwear sole construction includes footwear outer bottom, and footwear outer bottom is on the bottom side of capsule and in extension Divide in the following, and it includes the surface for promoting the contact ground on surface that wherein footwear outer bottom, which has,.

In in terms of the disclosure, capsule includes upper inside surface from the lower inner surface of capsule to capsule across fluid-filled chamber Link element in room.

In in terms of the disclosure, capsule is at least partially disposed in the shoes front part of footwear sole construction, and before shoes In portion region on the outside on extended outwardly on the outside of vamp, and the inside in shoes front area on inside from vamp It extends outwardly.

In in terms of the disclosure, footwear sole construction has in the shoes mid portion at the rear of shoes front part and in the middle part of shoes The heel portion at partial rear, and capsule only extends in shoes mid portion, shoes front part and extension.

In in terms of the disclosure, footwear sole construction includes the other plate above capsule.In in terms of the disclosure, capsule Extend forwardly beyond the forefront boundary of elastic sole component.

In in terms of the disclosure, elastic sole component is resilient foam midsole.In in terms of the disclosure, extend Part and shoes front part have substantially equal radius of curvature along the length of footwear sole construction.

In in terms of the disclosure, article of footwear includes vamp and footwear sole construction, and vamp has the shoes with boundary foremost Front area, footwear sole construction have the shoes front part below the shoes front area of vamp, and forward from shoes front part The extension of extension.Extension extends to distal end portion from the leading edge of shoes front part in the front on the boundary foremost of vamp Portion, and the top side face of extension is spaced apart between the leading edge and distal end of shoes front part with vamp.Extension Divide the propulsion surface that the boundary foremost more than vamp is established during stepping forth.Footwear sole construction includes capsule and plate, and the plate is adjacent Nearly capsule at least partly extends in extension, and connects with the outer surface of capsule.The plate can be located at the upper surface of capsule and Outer surface can be the upper surface of capsule.Alternatively, capsule can be located at the upper surface of plate and outer surface can be the lower surface of capsule. In addition, the plate can be the first plate positioned at the upper surface of capsule, outer surface can be the lower surface of capsule, and footwear sole construction can wrap The second plate is included, adjacent bladder at least partly extends in extension, and wherein the capsule is located at the upper surface of second plate and second Plate connects with the lower surface of capsule.

When understanding in conjunction with attached drawing, according to the detailed description below to the mode for implementing this introduction, the above-mentioned spy of this introduction Advantage of seeking peace and other feature and advantage will be apparent.

" one (a) ", " one (an) ", " being somebody's turn to do (the) ", "at least one" and " one or more " are used interchangeably, with There are at least one of item items for instruction.Unless the context clearly indicates otherwise, otherwise there may be multiple such items.It removes It is non-in addition expressly or explicitly to point out in view of context, the otherwise parameter in this specification (including the appended claims) All numerical value of (for example, amount or condition) should be understood as being modified by term " about " in all cases, regardless of " about " is It is no actually appear in the numerical value before." about " numerical value described in indicating allows some slight inexactnesies, and (some are close to the value Accuracy；About or moderately close to the value；Almost).If the inexactness as provided by " about " does not have in the art Have and be otherwise understood with this ordinary meaning, then " about " used herein at least indicate may be by measuring and using this Variation caused by the commonsense method of a little parameters.In addition, the disclosure of range should be understood as specifically disclosing the institute within the scope of this There is the range of value and further division.Cited all bibliography are hereby incorporated by reference in its entirety.

Term " including (comprising) ", " including (including) " and " having (having) " they are inclusives, and And stated feature, step, operation, the presence of element or component are therefore specified, but be not excluded for one or more other Feature, step, operation, the presence or addition of element or component.Step, technique and the sequence of operation can may when quilt Change, and can be using other or alternative the step of selecting.As used in this specification, term "or" includes Any one of relevant listed item and all combinations.Term " any " is understood to include any possibility of cited item Combination, " any one " including cited item.Term " any " is understood to include the cited right of appended claims It is required that any possible combination, " any one " including cited claim.

It will be appreciated by those of ordinary skill in the art that such as " top ", " lower section ", " upward ", " downward ", " top ", " bottom The terms such as portion " are used in descriptive manner relative to attached drawing, and do not represent the scope of the present invention defined to claim Limitation.

With reference to attached drawing, wherein identical Ref. No. indicates that identical component, Fig. 1 are shown in whole several width views Article of footwear 10 with footwear sole construction 12.Article of footwear 10 may include footwear uppers 14, and footwear uppers 14 are attached to sole Structure 12, and be dimensioned according to the specific size specification of the foot of people.As shown, article of footwear 10 is sport footwear, Such as track-and-field sport footwear.In other embodiments, article of footwear 10 can be dress shoes, footware, sandals, The footwear of slippers, boots or any other classification.Article of footwear 10 has heel area 16, shoes central region 18, shoes forward region Domain 20.Heel area 16 generally includes the part of article of footwear 10, the foot of the part and the people of the size with article of footwear 10 The rear portion (including calcaneum) in portion is corresponding.Shoes central region 18 generally includes the part of article of footwear 10, the part and tool There is the arch area of the foot of the people of the size of article of footwear 10 corresponding.Shoes front area 20 generally includes the part of footwear 10, The metatarsal of the foot of the people of size of the part with toe and connection with article of footwear 10 and the joint of phalanx are corresponding.

Footwear sole construction 12 is referred to as sole assembly, because it may include multiple components.For example, footwear sole construction 12 can To include elastic sole component 22, which is attached to footwear uppers 14, and when footwear sole construction 12 is placed on 14 lower section of footwear uppers is positioned in when on horizontal ground plane G.Shoe sole component 22 can be the bullet for taking into account required level The material of property and supportive, is such as ethylene vinyl acetate (EVA) foam in one example.

Footwear sole construction 12 includes plate 24, which is fixed to the first side 26 away from vamp 14 of shoe sole component 22.It should Plate 24 has heel portion 30, shoes mid portion 32, shoes front part 34 and extension 36.Heel portion 30, shoes middle part portion Points 32 and shoes front part 34 correspond respectively to the heel area 16, shoes central region 18 and shoes front area of article of footwear 10 20.The heel portion 30 of plate 24 is defined as the rear one third of footwear sole construction 12, and is shown in Figure 1 for from line A The rear distal end 37 of footwear sole construction 12 extends to line B.The shoes mid portion 32 of plate 24 is defined as the centre of footwear sole construction 12 One third, and be shown in Figure 1 for extending to line C from line B.The shoes front part 34 of plate 24 is defined as footwear sole construction 12 Preceding one third, and be shown in Figure 1 for extending to line D from line C.Merely for exemplary purpose, line B and line C are by footwear Article 10 is divided longitudinally into equal three parts.

The extension 36 of plate 24 extends forwardly into preceding distal end (front from the shoes front part 34 of article of footwear 10 distal end)40.Extension 36 is prolonged forward than both shoe sole component 22 and the boundary foremost 38 of vamp 14 to be projected farther.? In the embodiment of Fig. 1, the curvature C1 of extension 36 is identical as the curvature of shoes front part 34.In other words, extension 36 curvature C1 follows the side profile of shoes front part 34, and extension 36 and shoes front part 34 are with generally equalized Radius of curvature R.As being best shown in Fig. 5, extension 36 increases the available surface area of plate 24, the available surface Region can be used as the surface on contact ground during the use of article of footwear 10.More specifically, for the normal of footwear sole construction 12 Straightedge will have the front distal end (forward at the leading edge 42 of shoes front part 34 being represented by the dotted line distal end)45.The front distal end 45 of shoes front part 34 and the online D of the front distal end 46 of shoe sole component 22 Place.Extension 36 extends first distance D1 in front of shoes front part 34, and first distance D1 prolongs from front distal end 45 Distal end 40 before reaching.First distance D1 can be before the rear distal end 37 to shoes front part 34 of heel portion 30 The 5% to 30% of the length L of portion's distal end 45.Therefore, conventional plate is by the surface with the subsequent surface S1 of leading edge 42 Product.However, extension 36 increases the additional surface area of surface S2, surface S2 from the leading edge 42 of shoes front part forward Extend to the preceding distal end 40 of plate 24.Therefore, plate 24 extends to preceding distal end from the rear distal end 37 of footwear sole construction 12 40, and the surface area of the sum of surface area of the surface area with surface S1 and surface S2.The rear distal end of footwear sole construction 12 37 can also be referred to as the rear distal end of plate 24.

When article of footwear 10 is worn for certain activities, such as track and field or when being related to other activities of running, Article of footwear 10 is staged through these motion stages by the sequence of Fig. 1 to Fig. 4.Alternatively, if the road-work of wearer So that the not exposure level floor G whithin a period of time of heel portion 30, that is, be maintained above ground surface, then motion stage can Successively to pass through the stage of Fig. 3 and Fig. 4 since the stage of Fig. 2.In figs. 3 and 4, the motion stage of article of footwear 10 makes Obtain the surface that the contact ground being in contact with horizontal ground plane G is established alone in extension 36.In fact, in Fig. 3 into Fig. 4 Motion stage during, the only a part of surface S2 is used as the surface on contact ground.

Plate 24 is specially constructed as so that extension 36 has enough rigidity, so that in shoes front part 34, shoes Portion part 32 and heel portion 30 can be thus lifted on horizontal ground plane G, while work as movement of the article of footwear 10 from Fig. 3 When stage is moved to the motion stage of Fig. 4, extension 36 is from the back boundary of extension 36 (that is, from shoes front part is indicated Front distal end 45 at leading edge 42 dotted line) forward distal end 40 lift.When the experience of article of footwear 10 and footwear When the power of the relevant preset range of expection weight range of the wearer of article 10, the rigidity of extension 36 is enough with this side The wearer of formula support article of footwear 10.During the rigidity of extension 36 allows motion stage of the article of footwear 10 in Fig. 4 It is effectively pivoted forward around preceding distal end 40, rather than as surrounding shoes front part 34 using the case where conventional plate Front distal end 45 pivots.

In order to obtain necessary rigidity so that extension 36 can work as described, and limit institute simultaneously Increased weight, plate 24 can be formed by composite material.The example of composite material includes but is not limited to: fibre reinforced composites (including short fiber reinforced material and continuous fiber reinforcement material), fiber-reinforced polymer (including carbon fibre reinforced plastic and glass Glass reinforced plastics), carbon nanotubes reinforced polymer and any other kind of composite materials known in the art.

In one embodiment, as shown in Figure 6, plate 24 is made of multilayer materials, such as multiple layers of 44A-44M Carbon reinforced plastics.More specifically, these layers have different length from rear distal end 37 to preceding distal end 40.Layer 44A- The whole length of this five layer extension boards 24 of 44E.This four layers of layer 44F-44I are only in shoes mid portion 32, shoes front part 34 Extend in extension 36.The two layers of layer 44J-44K only extend in shoes front part 34 and extension 36.Layer 44L- The two layers of 44M only extend in extension 36.Therefore, in the illustrated embodiment, heel portion 30 has five layers, Shoes mid portion 32 has nine layers, and shoes front part 34 has eleventh floor, and extension 36 has 13 layers.In a reality It applies in scheme, layer 44A-44M respectively has substantially the same thickness, and composite material having the same.Heel portion 30 Therefore there is the first rigidity, shoes mid portion 32 has the second rigidity, and shoes front part 34 has third rigidity, and extension Divide 36 there is the 4th rigidity.4th rigidity is greater than third rigidity on magnitude, and third rigidity is greater than the second rigidity on magnitude, and And second rigidity on magnitude be greater than the first rigidity.Each rigidity has relevant spring constant and/or other spring performances.Cause This, when article of footwear 10 on plate 24 from 30 rolls forward of heel portion to extension 36 when, plate 24 is on longitudinally Cumulative rigidity allows extension 36 to have the smallest warpage relative to shoes front part 34.Relative to conventional plate, extension The 36 increased length (and surface area of relevant increased surface S2) in 34 front of shoes front part is divided effectively to make Plate 24 can provide in the front of article of footwear 10 and promote surface, which is equal to the foot for much bigger size Article of footwear propulsion surface so that lever is served as in extension 36.

Referring again to FIGS. 5, plate 24 has bottom side 50, bottom side 50 is generally towards horizontal ground plane G, and by structure Cause the surface for being used as contact ground.The top side face 52 of bottom side 50 and plate 24 out shown in Fig. 1 is opposite.Shoe sole component 22 It is attached to the top side face 52 of plate 24.Bottom side 50 is referred to herein as first side, and top side face 52 is also referred to as herein For second side.Several traction elements (traction element) 54A, 54B, 54C are fixed to bottom side 50.First Traction elements 54A is fixed to bottom side 50 at extension 36.One or more other attachment frictional force members Part can be fixed to plate 24 at other positions.For example, the second traction elements 54B is fixed at shoes front part 34 Bottom side 50, and partly extend on the shoes mid portion 32 of plate 24.54C is in heel portion for third traction elements Bottom side 50 is fixed at 30.Depending on the material of traction elements 54A-54C and the material of plate 24, attachment frictional force member Part 54A-54C can be fixed to bottom side 50 by any suitable means, such as by using adhesive or thermal.

Plate 24 is substantially smooth on bottom side 50, and has the first relatively low coefficient of friction.Attachment frictional force Element 54A-54C is configured to the second coefficient of friction greater than the first coefficient of friction.For example, plate 24 can be institute herein The composite material of discussion, and traction elements 54A-54C can be rubber.Therefore, traction elements 54A-54C Footwear sole construction 12 is provided to the increased grasping force of horizontal ground plane G, this prevent footwear sole constructions 12 in Fig. 1 to Fig. 4 It skids during motion stage relative to horizontal ground plane G.Traction elements 54A-54C is also wearing footwear sole construction 12 Period minimizes relative to the lateral rotation of horizontal ground plane G.For example, when using footwear around during crankcase ventilaton running When article 10, the forward every stride needs of runner apply some lateral forces on footwear sole construction 12.It is rubbed by increasing attachment Wipe power, when lateral force is by one or more traction elements 54A-54C reactions, traction elements 54A- The vertical axis that 54C prevents lateral force from footwear sole construction 12 being caused to pass around plate 24 rotates clockwise or counterclockwise.Fig. 5 is shown Plate 24 has molding installation part 56, which is configured to the shoe tack for keeping being used as other traction elements 58.Traction elements 54A, 54B, 54C are shown as discontinuous each other.In other embodiments, traction elements 54A, 54B and/or 54C can be interconnected or less or more similar traction elements can be fixed to bottom side 50 Other areas.

In the embodiment of Fig. 1 to Fig. 8, plate 24 is used as the footwear outer bottom of article of footwear 10, because it at least partly builds Surface S1, the S2 on contact ground are found.In other embodiments in this teachings, plate 24 is in footwear sole construction 12 or shoes It can be positioned at other positions in other embodiments of bottom structure, while the function herein with respect to described in plate 24 being still provided Energy.For example, alternative plate can be positioned in midsole, between the layer of such as midsole.In addition, alternative plate can To be located between footwear outer bottom and midsole.In such embodiments, the other component of footwear sole construction, such as one Or more midsole or footwear outer bottom, will extend forward from the boundary foremost 38 of vamp 14 together with plate 24.In addition, any In embodiment, alternative plate can be multiple components and/or only can extand rearward to shoes front part from extension (that is, therefore plate only includes extension and shoes front part) extends only to shoes mid portion (that is, therefore plate only includes extending Partially, shoes front part and shoes mid portion) or heel portion is extended to (that is, therefore plate includes extension, shoes Front part, shoes mid portion and heel portion).

Traction elements 54A-54C is shown as having a kind of representative configuration for being known as lattice.In Fig. 7 It is best shown, the lattice of a part of traction elements 54A has first group extended in a first direction Substantially parallel long strips 60, and upwardly extend in the second party for being essentially perpendicular to first direction second group generally Parallel long strips 62.As used herein, as item neighbouring in really bar 60 is lengthways prolonged with the angle less than 5% each other It stretches, then item 60 is substantially parallel to each other, and the item as neighbouring in really bar 62 is lengthways prolonged with the angle relative to each other less than 5% It stretches, then item 62 is substantially parallel to each other.As used herein, such as really bar 60 relative to item 62 between 85 degree to 95 degree Angle lengthways extend, then item 60 is essentially perpendicular to item 62.Traction elements 54A may be configured so that item 60, 62 are molded into each other or item 60,62 can be adhering to each other.Fig. 7 and Fig. 8, which shows traction elements 54A, to be had from item 60,62 outwardly extending convex block (nubs) 64.For example, downwardly the horizontal ground plane G in Fig. 1 extends convex block 64.Convex block 64 can be with band 60,62 identical materials, or can be different material, which can be than band 60,62 The harder or softer material of material.In Fig. 7, convex block 64 is extended from the alternating crosspoint of item 60,62 with duplicate pattern.It is attached Traction elements 54A-54C can be constructed with the other patterns for being different from shown pattern or other arrangements, and can make With other or less traction elements.

Fig. 9 shows alternative article of footwear 10A, possesses in addition to having than the longer extension in extension 36 Except the plate 24A of 36A, article of footwear 10A in all respects all with the article of footwear 10 that shows and describe referring to figs. 1 to Fig. 8 It is similar.Therefore, the first traction elements 54D is than the first traction elements 54A long.In addition to this, plate 24A is all Aspect is all similar to plate 24.Figure 10 shows alternative article of footwear 10B, other than with plate 24B, the article of footwear The article of footwear 10 that 10B shows and describes to referring to figs. 1 to Fig. 8 in all respects is similar, and plate 24B has than extension 36 short extension 36B and therefore there are the first traction elements than the first traction elements 54A long 54E.In addition to this, plate 24B is similar to plate 24 in all respects.As non-limiting example, the extension of Fig. 1, Fig. 9 and Figure 10 The comparison of part 36,36A, 36B shows that used extension can extend from the 5% of the length L of plate 24,24A or 24B To 30%, wherein length L extends to front distal end 45 from the rear distal end 37 of conventional plate.Represented length L in Fig. 1 It is also the distance from A to D.

Figure 11 shows another alternative embodiment of article of footwear 10C, other than with plate 24C, the footwear The article of footwear 10 that article 10C shows and describes to referring to figs. 1 to Fig. 8 in all respects is similar, and plate 24C has extension Divide 36C, extension 36C that there is the curvature C2 different from the curvature C1 of shoes front part 34.In addition to this, plate 24D is in institute There is aspect all similar to plate 24.The curvature C1 for following the profile of shoes front part 34, which has, to be fallen in the second side 52 of plate 24C The radius of curvature R of side, and the curvature C2 of extension 36C has the radius of curvature R 1 for 50 lower section of first side for falling in plate 24C. In addition, radius of curvature R 1 is less than radius of curvature R.

Figure 12 shows another alternative embodiment of article of footwear 10D, other than with plate 24D, the footwear Article 10D is similar to referring to figs. 1 to article of footwear 10 shown or described by Fig. 8 in all respects, and plate 24D, which has, to be extended Part 36D, extension 36D have the curvature C3 different from the curvature C1 of shoes front part 34.In addition to this, plate 24D exists All aspects are all similar to plate 24.The curvature C1 for following the profile of shoes front part 34 has the second side 52 for falling in plate 24D The radius of curvature R of top.The curvature C3 of extension 36D has radius of curvature R 2, and radius of curvature R 2 also falls in the second of plate 24D 52 top of side, but radius of curvature R 2 is less than radius of curvature R.

Figure 13 shows the partial plan layout of the bottom side of different extension 36E, and extension 36E can be used as The alternative scheme of extension 36 is used together with plate 24.Extension 36E has multiple finger-shaped materials 70, multiple finger-shaped material 70 have different shapes.Figure 14 shows the partial plan layout of the bottom side of another different extension 36F, the extension The alternative scheme for dividing 36F to can be used as extension 36 is used together with plate 24.Extension 36F is relative to shoes front part 34 laterally outward open.Specifically, extension 36F is flared out on outer side 74 and medial surface 76.The extension of opening Part 36F provides the lateral stability of enhancing.As used herein, the lateral surface for the component of article of footwear, such as The lateral surface 74 of extension 36E is side corresponding with the side of the foot of the wearer of article of footwear 10, the wearer Foot side generally further from the another foot of wearer (that is, the 5th toe of the side closer to wearer).The Five toes are commonly known as small toe.The medial surface of the component of article of footwear 10, the medial surface 76 of such as extension 36E are Side corresponding with the medial area of wearer's foot, and generally closer to the another foot of wearer (that is, the side is more leaned on The big toe of the foot of nearly wearer).Big toe is commonly known as big toe.Shoes front part 34 is wide with first at leading edge 42 W1 is spent, and extension 36F has the second width W2 greater than the first width W1.Second width W2 is shown as extension The maximum width of 36E increases to most from leading edge 42 on the width first because extension 36F is variation on the width Big width W2, then reduces to the preceding distal end 40F of extension 36F, which is also to include on the width The preceding distal end of the article of footwear of plate 24.

Figure 15 to Figure 22 shows another alternative embodiment of article of footwear 110, in many aspects with reference Article of footwear 10 shown or described by Fig. 1 to Fig. 8 is similar.With identical Ref. No. indicate with the feature of article of footwear 10 and The identical feature of component and component.Article of footwear 110 has footwear sole construction 112, and may include being attached to footwear sole construction 112 Footwear uppers 114.In the illustrated embodiment, vamp 114 is knit into one or more sheet stocks (pieces), should One or more sheet stocks can be stitched together at seam (seam 115 shown in such as Figure 18).

As being best shown in Figure 19, footwear sole construction 112 has heel portion 130, shoes mid portion 132, shoes front Part 134 and extension 136.Heel portion 130, shoes mid portion 132 and shoes front part 134 correspond respectively to footwear Heel area 16, shoes central region 18 and the shoes front area 20 of product 110.The heel portion 130 of footwear sole construction 112 is defined as The rear one third of footwear sole construction 112, and be shown in FIG. 19 as the rear distal end of the footwear sole construction 112 from line AA 137 extend to line BB.The shoes mid portion 132 of footwear sole construction 112 is defined as the intermediate one third of footwear sole construction 112, and And it is shown in FIG. 19 to extend to line CC from line BB.The shoes front part 134 of footwear sole construction 112 is defined as footwear sole construction 112 preceding one third, and be shown in FIG. 19 to extend to line DD from line CC.Merely for exemplary purpose, line BB and line Article of footwear 110 is lengthways divided into equal three parts by CC.

The extension 136 of footwear sole construction 112 includes elastic sole component 122 and capsule 124, and elastic sole component 122 is solid Surely vamp 114 is arrived.Elastic sole component 122 and capsule 124 extend in extension 136.In the embodiment of Figure 19, capsule 124 also extend in shoes mid portion 132, and elastic sole component 122 is in shoes mid portion 132 and heel portion 130 Extend.For example, elastic sole component 122 is resilient foam midsole in Figure 18.Vamp 114 is fixed to flexible shoes bottom The top side face 125 (that is, top surface) of part 122.Capsule 124 is fixed to the bottom side away from vamp 114 of elastic sole component 122 126 (that is, bottom surfaces).In other words, elastic sole component 122 is located above capsule 124.The top side face 152 of capsule 124 is (that is, top table Face) bottom side 126 of elastic sole component 122 is such as fixed to by thermal or adhesive.

It such as will become apparent from Figure 15 into Figure 17, (it is elastic sole component 122 to the top side face of extension 136 Top side face 125) be spaced apart between the leading edge 142 and distal end 140 of shoes front part 20 with vamp 114.Flexible shoes The top side face 125 of bottom parts 122 and the top side face 152 of capsule 124 are spaced apart with vamp 114.

The shoes front part 134 of footwear sole construction 112 is below the shoes front area 120 of vamp 114.Extension 136 from Shoes front part 134 extends forward.More specifically, extension 136 is in front of the boundary foremost of vamp 114 138 from shoes front The leading edge 142 of part 134 extends to distal end 140.In Figure 17, the dotted line table of leading edge 142 of shoes front part 134 Show, and indicate the leading edge of the footwear sole construction 112 without extension 136 will be located at where, and in shown reality Apply boundary 138 foremost for corresponding to vamp 114 in scheme.Shoes front part 134 has front distal end 145, front distal side End 145 declines along leading edge 142 and is the forefront boundary of shoes front part 134.The front distal side of shoes front part 134 At the online DD in end 145.Capsule 124 extends first distance D1 to preceding remote in front of the front distal end 145 of shoes front part 134 Side end 140.In one or more embodiments, first distance D1 can be the heel portion 130 shown in Figure 19 Rear distal end 137 to shoes front part 134 front distal end 145 length L about 2% to 30%.For example, first Distance D1 can be 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29% or 30%. In some embodiments, first distance D1 can be about the 5% to about 30% of length L.For example, being about 300 millimeters in length L An embodiment in, first distance D1 can be about 2 millimeters.

Elastic sole component 122 also extends to boundary foremost in front of the front distal end 145 of shoes front part 134 139, but extend for less than the second distance D2 of first distance D1.In other words, capsule 124 is in 122 front of elastic sole component Extend.Therefore, the footwear sole construction without extension 136 will have the surface area for being located at the subsequent surface S1 of leading edge 142. However, extension 136 increases the additional surface area of surface S2, distal side before surface S2 is extended in front of leading edge 142 End 140.Therefore footwear sole construction 112 extends to preceding distal end 140 from rear distal end 137, and have surface area, the table Area is the sum of the surface area of surface S1 and the surface area of surface S2.

The bottom side 150 of capsule 124 is generally towards horizontal ground plane G.Bottom side 150 is also referred herein as first Side, and top side face 152 is also referred herein as second side.Footwear sole construction 112 includes footwear outer bottom 170, footwear outer bottom 170 Fixed to bottom side 150 and including traction elements 154.Footwear outer bottom 170 is in heel portion 130, shoes mid portion 132, extend below shoes front part 134 and extension 136, and there is the surface on the contact ground including surface S1, S2 S1,S2.Therefore footwear outer bottom 170 is configured to be used as the surface on the contact ground of footwear sole construction 112.Extension 136 includes table Face S2, and the propulsion surface on the boundary foremost 138 more than vamp 114 is therefore established during stepping forth, such as with reference to figure 19 to described in Figure 22.Additional surface S2 is relative to the sole knot ended at shoes front part (that is, leading edge 142) Structure extends time quantum of the footwear outer bottom 170 during stepping forth with ground face contact, so that it is opposite to extend footwear sole construction 112 In the deceleration of ground shock and the time quantum of buffering.

Referring to Fig.1 7, the periphery of capsule 124 is represented by dashed line.The periphery of capsule 124 is in extension 136 and in shoes front It is corresponding with the periphery of footwear outer bottom 170 in part 134.Capsule 124 also extends in shoes mid portion 134, but such as institute in Figure 17 Show, is inwardly tapered in the periphery of footwear outer bottom 170.In Figure 17, the periphery of vamp 114 is also represented by dashed line.Figure 16 and Figure 17 show Gone out capsule 124 in shoes front area 120 on the outside on extend outwardly from the lateral surface 174 of vamp 114, and in shoes forward region Extend outwardly on inside from the medial surface 176 of vamp 114 in domain 120.Footwear outer bottom 170 is below capsule 124 from the lateral surface of capsule Extend to medial surface, and therefore show than the width for only extending vamp 114 in shoes front area 120 footwear sole construction more The surface on big contact ground.Therefore capsule 124 and footwear outer bottom 170 below increase in outer side direction and in interior direction And the contact area of ground in forward direction.

Referring to Fig.1 8, capsule 124 includes polymeric shells 173,175, which defines and enclose fluid Filled chamber 172, the fluid-filled chamber 172 are at least partially disposed in extension 136 (that is, the leading edge in Figure 17 142 front and/or laterally outward part).Polymeric shells 173,175 include top polymeric sheet 173 and bottom Polymer sheet 175, top polymeric sheet 173 and bottom polymeric sheet 175 are bound to each other at peripheral flange 177, This is at least partially formed sealing for chamber 172.Polymer sheet 173,175 can be formed by various materials, the material Multiple polymers including fluid (such as air or another gas) can be held resiliently.For polymer sheet 173,175 The example of polymer material include thermoplastic urethane (thermoplastic urethane), polyurethane Ester, polyester, polyester-polyurethane and polyether-polyurethane.In addition, polymer sheet 173,175 can each free different materials layer shape At.In one embodiment, each polymer sheet 173,175 is by with the thin of one or more thermoplastic urethane layers Film is formed, which has one or more barrier layers of ethylene and ethenol copolymer (EVOH), this one A or more barrier layer be to the pressurized fluid being included in it is impermeable, such as at U.S. Patent No. 6,082,025 Disclosed in, which is integrally incorporated by reference with it.Polymer sheet 173,175 can also be by including thermoplasticity The material of the alternating layer of polyurethane and ethylene-vinyl alcohol copolymer is formed, such as in the U.S. Patent No. of Mitchell et al. 5, Disclosed in 713, No. 141 and the 5th, 952, No. 065, which is integrally incorporated by reference with it.It is alternative Ground, these layers may include ethylene-vinyl alcohol copolymer, thermoplastic polyurethane and ethylene-vinyl alcohol copolymer and thermoplasticity The reground material of polyurethane.Polymer sheet 173,175 can also be individually including gas barrier material and elastic material The flexible microlayer film of alternating layer, as disclosed in U.S. Patent No. 6,082,025 and 6,127,026 of Bonk et al., Two United States Patent (USP)s are integrally incorporated by reference with it.The U.S. Patent No. of Rudy No. 4,183,156 and No. 4,219,945 In disclose other suitable materials, two United States Patent (USP)s by reference is integrally incorporated with it.For polymer sheet 173, 175 other suitable material includes the thermoplastic film containing crystalline material, such as in the U.S. Patent No. of Rudy 4,936,029 Number and the 5th, 042, No. 176 disclosed in, and the polyurethane including polyester polyol, such as in the U.S. Patent No. of Bonk et al. Disclosed in 6,013, No. 340, the 6th, 203, No. 868 and the 6th, 321, No. 465, above-mentioned United States Patent (USP) is by reference with its entirety It is incorporated to.When selection is used for the material of polymer sheet 173,175, it may be considered that engineering properties such as bears intensity, draftability Matter, fatigue properties, dynamic modulus and loss tangent.The thickness of polymer sheet 173,175 be can choose to provide these characteristics.? In article of footwear 110, polymer sheet 173,175 is sufficiently transparent, so that the element 180 described herein that links is from article of footwear 110 outside is visible through polymer sheet 173,175, such as by holding Figure 15 to Figure 16 and Figure 19 are visible into Figure 23 It draws represented by element 190.

Referring to Fig.1 8, capsule 124 includes linking element 180, links element 180 from the top polymeric sheet 173 of capsule 124 Inner surface 184 crosses over the inner surface 182 of fluid-filled chamber 172 to the bottom polymeric sheet 175 of capsule 124.Link element 180 Including top plate layer 185, top plate layer 185 is such as fixed in the lower part of top polymeric sheet 173 using adhesive or thermal Surface 184.Linking element 180 further includes backplane level 187, which is integrated in the top of bottom polymeric sheet 175 Surface 182.Linking element 180 includes multiple tension components 190, and multiple tension component 190 is connected to top plate layer 185 and connects To backplane level 187 and cross over fluid-filled chamber 172.As will become apparent from Figure 15 and Figure 16, in the side cross-sectional of Figure 18 Each tension component 190 shown in figure indicates to extend laterally across row's tension component 190 of fluid-filled chamber 172.It holds Draw element 190 that can provide the responsiveness of needs, such as in the U.S. Patent No. of Peyton et al. 8, disclosed in 479,412 , which is hereby incorporated by reference in its entirety by reference.When fluid-filled chamber 172 is inflated, at tension component 190 In tension state, and by preventing polymer sheet 173,175 bulging from opening the group more than plate layer 185,187 and tension component 190 Height is closed to limit the height for the capsule 124 being inflated.In a non-limiting example, when fluid-filled chamber 172 is inflated to about 15 pounds/square inch (psi) to about 30psi (for example, 15psi, 16psi, 17psi, 18psi, 19psi, 20psi, 21psi, 22psi, 23psi, 24psi, 25psi, 26psi, 27psi, 28psi, 29psi or 30psi) internal pressure when, capsule 124 can have Have from top side face 152 to bottom side 150 from about 8 millimeters to about 16 millimeter (mm) (for example, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm or 16mm) maximum height.The contracting that forces from article of footwear 110 and floor G impact is flowed Flow gas (for example, air or nitrogen) in body filled chamber 172, and be dispersed in the inner surface area of capsule element 124.By In the ability of 172 dispersion force of fluid-filled chamber, the plate 24 for being functionally similar to Fig. 1 of capsule element 124, and can be referred to as Plate.

Referring again to Figure 15, Figure 16 and Figure 19, capsule 124 is provided only on extension 136, in shoes front part 134, and It is partially disposed in shoes mid portion 132 and (is only indicated by a dotted line in Figure 17).As being best shown in Figure 17, capsule 124 is tapered on the width in shoes mid portion 132.In Figure 19 into Figure 22, capsule 124 is extended in shoes mid portion 132 Therefore a part is hidden by elastic sole component 122, the outside of the part is laterally arranged in elastic sole component 122.Elasticity Shoe sole component 122 is located above capsule 124.In the portion of the capsule 124 shoes mid portion 132 not extended wherein and heel portion 130 In point, elastic sole component 122 extends to footwear outer bottom 170 from vamp 114.Elastic sole component 122 is therefore subsequent in capsule 124 It is thicker in those regions.Alternatively, elastic sole component 122 can have from extension 136 to heel portion 130 Consistent thickness, and individually buffer unit can be below the rear of capsule 124 be located at elastic sole component 122.

Referring to Fig.1 9, the curvature C1 of extension 136 is identical as the curvature of shoes front part 134.In other words, extension Points 136 curvature C1 follows the side profile of shoes front part 134, and extension 136 and shoes front part 134 have it is big The equal radius of curvature R of body, this can be transitioned at least partly during stepping forth from the load on shoes front part 134 Seamless feeling is provided for wearer in the load on extension 136.

Figure 19 to Figure 22 shows the article of footwear that multiple motion stages are staged through during stepping forth.Figure 19 is shown Article of footwear 110 in neutral position or starting position.Figure 20 depicts the first motion stage, wherein working as heel portion 130 from horizontal ground plane G when lifting dorsiflexion of foot (dorsiflexion) period, and weight is transferred on shoes front part 134. Footwear outer bottom 170 is shown as being in contact at 134 the two of extension 136 and shoes front part with floor G.In Figure 21 Shown in the second motion stage, the back section of shoes front part 134 and shoes mid portion 132 and heel portion 130 are together It is lifted from floor G, and the front section of shoes front part 134 and extension 136 and floor G are kept in contact.

The movement of phase III shown in Figure 22 is " tiptoe leaves (toe-off) " position, just complete in article of footwear 110 Lift and be detached from before the contact of floor G.The rigidity of capsule 124 corresponds to its filling pressure in fluid chamber 172. Higher filling pressure corresponds to higher bending stiffness, and lower filling pressure corresponds to lower bending stiffness.? In article of footwear 110, filling pressure is sufficiently low, some compressions are provided in the height of fluid chamber 172 in the case where load is acted on, As represented by the tension component described with slightly loose state.It is also sufficiently low to fill pressure, so that in shoes front part It can be sufficiently bent in 134 along the length of article of footwear 110, to allow extension 136 on phase III holding and ground Plane G is in contact.It is sufficiently large to fill pressure, to serve as spring, capsule 124 is made to return resiliently to its elemental height (that is, in load By the height before compressing under effect), to save energy and the strain energy of distortion by returning to the storage inputted by wearer To reduce energy loss.All energy for returning to wearer are the energy initially come from wearer.Capsule 124 is in shoes front portion Divide at 134 and be easier to be bent than the plate 24 of article of footwear 10, and is not pivoted around preceding distal end 140.On the contrary, with terminating at Footwear sole construction (that is, without extension 136) at the leading edge of shoes front part 134 is compared, and the extension with Fig. 4 36 (it is hard enough, is lifted with the motion stage shown in Fig. 4 from floor G and surrounds the preceding pivot of distal end 40) phases Than during the dorsiflexion of foot to step forth, more extensions 136 keep flat with ground within the scope of bigger bending angle Face G contact.By increasing the surface area of footwear sole construction 112 to include surface area S2, the range and active force of warpage angle pass through Footwear sole construction 112 reacts on the increase of duration thereon, and provides the buffering of longer duration (that is, ground The deceleration of impact force).

Figure 23 shows the another embodiment of article of footwear 210, and article of footwear 210 has footwear sole construction 212.In addition to shoes Bottom structure 212 includes except other plate 225, and article of footwear 210 has many components identical with article of footwear 110 and function Can, which is arranged on elastic sole component 122 and capsule 124 in shoes front part 134 and extension 136 Between.Other plate 225 at least partly extends in extension 136 and adjacent bladder 124 is arranged, so that other plate 225 connect with capsule 124, including during stepping forth.Other plate 225 is located at capsule element 124 above and the upper table with capsule 124 Face (that is, top side face 152, top side face 152 establishes and outer surface and upper surface including capsule 124) connects.Other 225 foot of plate It is enough hard, to disperse the downward power (being such as moved to front foot during stepping forth due to the weight of wearer) on capsule 124, Distribution of the power in the top side face 152 of capsule 124 is set to become uniform.Other plate 225, which can be, is selected to provide the curved of needs Any one of multiple material of stiffness.Be suitable for the material of other plate 225 non-limiting example include carbon fiber, In spring steel, glass fibre, nylon, thermoplastic elastomer (TPE) (such as polyether block amide) or superelastic metal comprising Nitinol Any one.A kind of exemplary polyether block amide is commercially available, trade nameFrom U.S. guest sunset method The Arkema company of the state Ni Ya Prussia king.It is rigid that other plate 225 can have the compression bigger than elastic sole component 122 Degree, and can have than the lower bending stiffness of capsule element 124, bending stiffness identical with capsule element 124 or have than capsule The bigger bending stiffness of element 124.

Figure 24 shows the another embodiment of the article of footwear 310 with footwear sole construction 312.In addition in footwear sole construction In 312, plate 225 in addition is arranged between capsule 124 and footwear outer bottom 170 in shoes front part 134 and extension 136 Outside, article of footwear 310 has many components and functionalities identical with article of footwear 210.Other plate 225 is at least partly prolonging Extend in extending portion point 136 and adjacent bladder 124 is arranged, so that other plate 225 connects with capsule 124, is included in the phase of stepping forth Between.Capsule 124 is located above other plate 225, so that lower surface (i.e. bottom side 150, the bottom side of other plate 225 and capsule 124 150 foundation and outer surface and lower surface including capsule 124) connect.Plate 225 can be advantageously on the bottom side 150 of capsule 124 Disperse ground reaction force.Because (foot is supported in vamp 114 in foot for both buffer unit 122 and capsule element 124 On footwear sole construction 312) and other plate 225 between, and buffer unit 122 is all more than any one of capsule 124 and plate 225 It is compressible, so footwear sole construction 312 can have the feeling of bigger buffering than footwear sole construction 212 for foot.

Figure 25 shows the another embodiment of the article of footwear 410 with footwear sole construction 412.In addition to footwear sole construction 412 Including two other plates 225, an other plate is arranged between capsule 124 and buffer unit 122 (that is, being located on capsule 124 Face), as shown in Figure 23, an other plate is arranged on capsule 124 and shoes in shoes front part 134 and extension 136 Except between outer bottom 170 (that is, in capsule 124 in the following, as shown in Figure 24), article of footwear 410 has many and article of footwear 210 With the identical components and functionality of article of footwear 310.

Although various several modes perhaps for implementing this introduction are described in detail, it is familiar with these introductions The technical staff in related field will be recognized implements the various alternative of this introduction within the scope of the appended claims Aspect.Purpose is, all the elements including in the above description and being shown in the accompanying drawings be considered merely as it is illustrative rather than It is restrictive.

Claims (25)

1. a kind of article of footwear, comprising:

Vamp, the vamp have shoes front area, and the shoes front area has boundary foremost；

Footwear sole construction, the footwear sole construction have the shoes front part below the shoes front area of the vamp, and From the extension that the shoes front part extends forward；

Wherein:

The footwear sole construction includes capsule, and the capsule has fluid-filled chamber, and the fluid-filled chamber is at least partly arranged In the extension portion；

The extension extends to far in front of boundary foremost from the leading edge of the shoes front part described in the vamp Side end, and the top side face of the extension is between the leading edge and the distal end of the shoes front part It is spaced apart with the vamp；And

The extension establishes during step forth more than the propulsion surface on boundary foremost described in the vamp.

2. article of footwear according to claim 1, wherein the capsule includes linking element, and the element that links is from described The upper inside surface of the lower inner surface of capsule to the capsule crosses over the fluid-filled chamber.

3. article of footwear according to any one of claim 1 to 2, wherein the capsule is at least partially disposed on described In the shoes front part of footwear sole construction, and in the shoes front area on the outside on from the outside of the vamp towards Outer extension, and extended outwardly on the inside of the vamp on inside in the shoes front area.

4. article of footwear according to any one of claim 1 to 3, in which:

The footwear sole construction has the shoes mid portion at the rear of the shoes front part, and in the shoes mid portion The heel portion at rear；And

The capsule only extends in the shoes mid portion, the shoes front part and the extension.

5. article of footwear according to any one of claim 1 to 4, wherein the footwear sole construction includes plate, and the plate is extremely Partially extend in the extension portion and the neighbouring capsule be arranged so that the plate during stepping forth with it is described Capsule connects.

6. article of footwear according to claim 5, wherein the plate is located at below the capsule, and with the capsule Lower surface connects.

7. article of footwear according to claim 5, wherein the plate is located at the upper surface of described capsule, and with the capsule Upper surface connects.

8. article of footwear according to any one of claim 1 to 7, in which:

The footwear sole construction includes elastic sole component, and the elastic sole component is arranged on the vamp and the extension /, and extend in front of the vamp in the top side face of the extension.

9. article of footwear according to claim 8, wherein the extension extends forwardly beyond the flexible shoes bottom The forefront boundary of part.

10. the article of footwear according to any one of claim 8 to 9, wherein the elastic sole component is elastic foam Midsole.

11. article of footwear according to any one of claim 1 to 10, wherein the footwear sole construction further include:

Footwear outer bottom below the extension；Wherein, it includes the contact ground for promoting surface that the footwear outer bottom, which has, Surface.

12. article of footwear according to any one of claim 1 to 11, wherein the extension and the shoes front Part has substantially equal radius of curvature along the length of the footwear sole construction.

13. a kind of article of footwear, comprising:

Vamp, the vamp have shoes front area, and the shoes front area has boundary foremost；

Footwear sole construction, the footwear sole construction have the shoes front part below the shoes front area of the vamp, and With the extension for extending to distal end from the leading edge of the shoes front part in front of the forefront boundary of the vamp Point；

Wherein:

The footwear sole construction includes capsule and elastic sole component；

The capsule has the fluid-filled chamber being at least partially disposed in the extension；

The plate has top side face and the bottom side opposite with the top side face；

The top side face is than the bottom side closer to the vamp；

The elastic sole component is arranged between the vamp and the top side face of the capsule, and in the vamp Extend in front of the boundary foremost；And

The extension establish during step forth more than described in the vamp foremost boundary with ground face contact Promote surface.

14. article of footwear according to claim 13, wherein the capsule includes linking element, and the element that links is from institute The upper inside surface for stating lower inner surface to the capsule of capsule crosses over the fluid-filled chamber.

15. article of footwear according to claim 14, wherein the capsule is at least partially disposed on the footwear sole construction In the shoes front part, and in the shoes front area on the outside on extended outwardly on the outside of the vamp, with And it is extended outwardly on the inside of the vamp on inside in the shoes front area.

16. article of footwear described in any one of 3 to 15 according to claim 1, in which:

The footwear sole construction has the shoes mid portion at the rear of the shoes front part, and in the shoes mid portion The heel portion at rear；And

The capsule only extends in the shoes mid portion, the shoes front part and the extension.

17. article of footwear described in any one of 3 to 16 according to claim 1, wherein the footwear sole construction includes positioned at described Other plate above capsule.

18. article of footwear described in any one of 3 to 17 according to claim 1, wherein the capsule extends forwardly beyond the bullet The forefront boundary of property shoe sole component.

19. article of footwear described in any one of 3 to 18 according to claim 1, wherein the footwear sole construction includes footwear outer bottom, The footwear outer bottom on the bottom side of the capsule and in the extension in the following, and wherein, the footwear outer bottom tool There is the surface including the contact ground for promoting surface.

20. article of footwear described in any one of 3 to 19 according to claim 1, wherein the elastic sole component is elastic bubble Foam midsole.

21. article of footwear described in any one of 3 to 20 according to claim 1, wherein the extension and the shoes front Part has substantially equal radius of curvature along the length of the footwear sole construction.

22. a kind of article of footwear, comprising:

Vamp, the vamp have shoes front area, and the shoes front area has boundary foremost；

Footwear sole construction, the footwear sole construction have the shoes front part below the shoes front area of the vamp, and From the extension that the shoes front part extends forward；

Wherein:

The extension extends to distal side from the leading edge of the shoes front part in the front on the boundary foremost of the vamp End, and the top side face of the extension between the leading edge and the distal end of the shoes front part with The vamp is spaced apart；

The extension establishes during step forth more than the propulsion surface on boundary foremost described in the vamp；And

The footwear sole construction includes capsule and plate, and the plate at least partly extends in the extension portion adjacent to the capsule, and And connect with the outer surface of the capsule.

23. article of footwear according to claim 22, wherein the plate is located above the capsule, and the outer surface It is the upper surface of the capsule.

24. article of footwear according to claim 22, wherein the capsule is located above the plate, and the outer surface It is the lower surface of the capsule.

25. article of footwear according to claim 22, wherein the plate is the first plate above the capsule, described Outer surface is the lower surface of the capsule, and the footwear sole construction include the neighbouring capsule, at least partly in the extension The second plate extended in part, wherein the capsule is located above second plate and the lower surface of second plate and the capsule Connect.