JP3868440B2 - Spike shoes - Google Patents

Description

  In the field sports such as baseball, soccer, rugby, etc., the present invention provides a position corresponding to each of a plurality of studs provided in the form of back and forth on the heel portion of the shoe sole. The present invention relates to a spike shoe in which an elastic body made of a synthetic resin for alleviating the impact caused by the thrust from each stud is provided.

In conventional spiked shoes, an elastic body is disposed as a shock absorber for mitigating the impact caused by the push-up from each stud applied to the heel portion at a position corresponding to the stud arrangement location provided in the heel portion thereof. (For example, refer to Patent Document 1).
In general, these elastic bodies have the same hardness.
Japanese Utility Model Publication No. 6-10814

However, in field sports such as baseball and soccer, it is desirable to have not only shock buffering against the thrust from each stud to the heel during dynamic walking and running, but also repulsion to improve instantaneous power. The conventional spike shoes are constructed with a soft and highly elastic elastic body with high shock-absorbing properties to reduce the impact of each stud to the heel during dynamic walking and running. On the other hand, the wearer's instantaneous power was reduced.
In view of this situation, the main problem of the present invention is not only to alleviate the impact on the heel portion by rational improvement in spike shoes, but also to improve the wearer's instantaneous power.

A first characteristic configuration of the present invention relates to a spike shoe,
Made of synthetic resin to alleviate the impact caused by the thrust from the studs on the heel part during dynamic walking or running at a position corresponding to the plurality of studs provided in the form of back and forth on the heel part of the shoe sole In the spike shoes where the elastic body of
The hardness of the elastic body corresponding to the stud located on the front side of the flange portion is higher than that of the elastic body corresponding to the stud located on the rear side.

  In other words, with this configuration, the movement of the foot during dynamic walking and running often involves a rolling exercise in which the ground is moved from the heel, the center of gravity is moved to the front toe side, and the ground is kicked with the thumb. In addition, by arranging an elastic body at a position corresponding to a plurality of studs provided in a form that moves back and forth on the heel portion of the shoe sole, the impact caused by the thrust from the studs on the entire heel portion when landing is mitigated The elastic body corresponding to the stud located on the front side of the heel part has a high hardness (hard) with high resilience, and the elastic body corresponding to the stud located on the back side of the heel part has a low hardness (soft) ), It is possible to effectively relieve the impact caused by the thrust from the rear stud of the collar portion where the impact is particularly large when landing, and when the center of gravity moves in rolling motion, Since hard elastic side confer repulsive forces to the heel, it is possible to perform a rolling movement smoothly and agile.

In short, in spike shoes worn in field sports such as baseball and soccer, if configured in this way, the impact on the rear elastic body can effectively reduce the burden on the foot, Can avoid foot injury and injury as much as possible.
And the resilience of the elastic body on the front side makes rolling motion smooth and agile, which makes it very advantageous as a spike shoe worn in field sports that require instantaneous force. Can do.

The second feature configuration of the present invention is a preferred configuration in the implementation of the first feature configuration.
The inner edge portions of the elastic bodies are arranged in a state where the elastic bodies are located on the inner side of the shoe sole with respect to the corresponding arrangement positions of the studs.

  Since the heel portion of the shoe bottom is curved by the wearer's load so that the inner side portion is positioned below, the impact from the thrust from each stud is biased to the inside of each stud and is transmitted to the elastic body.

  In other words, with this configuration, the elastic body is arranged in a state of being located on the inner side of the shoe sole with respect to the place where each stud is disposed, so that an impact biased to the inside of each stud is efficiently transmitted to the elastic body. As a result, it is possible to efficiently improve the shock absorbing property and also improve the resilience efficiently.

The third characteristic configuration of the present invention is a preferable configuration in the implementation of the first or second characteristic configuration.
The outer edge portion of the elastic body is arranged in a state where the elastic body is located on the outer side of the shoe sole with respect to the corresponding arrangement place of each stud.

  In other words, with this configuration, the outer edge of each elastic body is disposed in a state of being located on the outer side of the shoe sole relative to the place where each stud is disposed. Further, since the impact force applied to the heel portion by the push-up from the stud can be dispersed to the outside and released to the outside, the burden on the foot due to the impact can be further reduced.

The fourth feature configuration of the present invention is a preferred configuration in the implementation of any one of the first to third feature configurations.
The heel portion of the shoe sole is formed in a state in which an intermediate layer body provided with the elastic body is laminated at least on the upper side of the front bottom body provided with a stud.

  In other words, with this configuration, the outsole that comes into contact with the ground with the stud and the intermediate layer with the elastic body are formed separately, so that the outsole and the intermediate layer are separated. It is possible to form with a member, whereby the bottom body can be formed of a hard material with low wear and durability, and the intermediate layer body can be formed of a soft material with high impact buffering, As a spike shoe used for baseball, soccer, etc., it can be excellent in durability, excellent in impact relaxation, and capable of improving instantaneous power.

The fifth feature configuration of the present invention is a preferred configuration in the implementation of the fourth feature configuration.
In the heel portion of the shoe sole, at least a part of the peripheral portion of the outsole body is formed in a wave shape that rises in a form of enveloping the intermediate layer body,
A wavy engaging portion that engages with the wavy peripheral edge portion of the front bottom body from above and below is formed on the side surface of the intermediate layer body.

  In other words, with this configuration, at least a part of the peripheral edge of the outsole body is formed in a shape that rises so as to wrap the intermediate layer body, so that the load from above on the intermediate layer body when worn The intermediate layer body can be prevented from losing its shape and spreading outward, and the periphery of the bottom surface body is formed in a wave shape, and the corrugated surface bottom body formed on the side surface of the intermediate layer body Since it engages with a wave-shaped engaging portion that engages with the peripheral edge portion in the vertical direction, it becomes a positioning means for the intermediate layer body to be laminated with respect to the bottom surface body, and the manufacturing process can be simplified.

  And since the shape loss of the intermediate layer body can be suppressed, the impact buffering property and the resilience of the elastic body provided in the intermediate layer body can surely act on the impact caused by the thrust from each stud. it can.

The sixth feature configuration of the present invention is a preferred configuration in the implementation of any one of the fifth feature configurations.
The outer edge of the elastic body is located on the outer side of the shoe sole with respect to the location of the studs to which the elastic body corresponds, and at least a part of the outer edge is an intermediate layer body. It is arranged in the form exposed on the side of the
The mountain-shaped portion of the wavy peripheral edge portion of the outsole is in a point formed so as to be located at the exposed portion of these elastic bodies.

  In other words, with this configuration, the outer edge of each elastic body is located on the outer side of the shoe sole relative to the location of each stud, and at least a part of the outer edge is an intermediate layer body. Since the elastic body is arranged in a form that is exposed on the side surface, when landing on dynamic walking or running, the impact force applied to the heel part is dispersed to the outside side by pushing up from the stud and released to the outside Therefore, the load on the foot due to the impact can be further reduced, and the mountain-shaped portion of the wavy peripheral portion of the outsole body is formed to be located at the exposed portion of the outer edge portion of the elastic body. Therefore, in a state in which the bottom body and the intermediate layer body are laminated, the elastic body is in a protected form that is not exposed to the outside and is covered with the mountain-shaped portion of the wavy peripheral part of the bottom body. Shock buffering and rebound due to damage It is possible to prevent a decrease in.

The seventh feature configuration of the present invention is a preferred configuration in the implementation of any one of the sixth feature configurations.
A transmissive window capable of seeing through each elastic body arranged in the intermediate layer body is formed in a mountain-shaped portion of the wavy peripheral edge portion of the bottom base body.

  That is, with this configuration, each elastic body can be seen through the transparent window, so that the presence of the elastic body can be shown to viewers (that is, purchasers, wearers, spectators, etc.) By coloring each elastic body, it is also possible to improve the design, thereby improving the degree of attention of the spike shoes of the present invention.

The eighth feature configuration of the present invention is a preferred configuration in the implementation of any one of the fourth to seventh feature configurations.
The elastic body provided in the intermediate layer body is formed with a recess for providing a gap with the bottom surface body.

  In other words, with this configuration, the concave portion becomes a space for deformation when the elastic body relaxes the impact, so that the elastic body can be easily deformed when an impact is applied to the collar portion. The impact buffering property can be exhibited more effectively.

The ninth feature configuration of the present invention is a preferred configuration in the implementation of any one of the fourth to eighth feature configurations.
While forming a through-hole penetrating in the vertical direction in the intermediate layer body,
An elastic lid member that closes the through hole is disposed on the upper surface of the intermediate layer body, and a hollow portion is formed in the intermediate layer body between the bottom surface body and the elastic lid member. is there.

  In other words, with this configuration, the hollow portion formed in the intermediate layer body between the bottom surface body and the elastic lid member serves as an air cushion, and the elastic lid member has an impact on the flange portion and alleviates the impact. Due to the impact buffering property, a further impact relaxation effect can be obtained.

The tenth feature configuration of the present invention is a preferred configuration in the implementation of any one of the fourth to ninth feature configurations.
A high repulsion thin plate material capable of simultaneously pressing the elastic bodies from the upper surface side is disposed at a position corresponding to the elastic body disposition location on the upper surface of the intermediate layer body.

  In other words, with this configuration, the highly repulsive thin plate material is disposed at a position corresponding to the elastic body disposition location on the upper surface of the intermediate layer body, and when worn, the elastic bodies can be simultaneously pressed from the upper surface side. In the rolling motion of the foot, the highly repulsive thin plate material acts like a leaf spring, so that the impact force transmitted to the high repulsive thin plate material via the elastic body becomes the repulsive force to the heel part in the rolling motion. It can convert and can improve a wearer's instantaneous power.

The eleventh characteristic configuration of the present invention is a preferable configuration in the implementation of the tenth characteristic configuration.
Each of the elastic bodies is fitted in a fitting hole formed in the intermediate layer body so as to penetrate in the vertical direction in a form in which a part of each elastic body is exposed on the upper surface of the intermediate layer body,
The high resilience thin plate material is formed of a plurality of pressing portions that are in contact with the elastic bodies exposed on the upper surface of the intermediate layer body and a connecting collar portion that connects the pressing portions.

  In other words, with this configuration, since the pressing portion of the high resilience thin plate material and the elastic body are disposed in contact with each other, the impact that is relaxed by each elastic body is applied to the pressing portion of the high resilience thin plate material. Directly transmitted, and the pressing parts are integrally connected by the connecting collar part, so that each elastic body is connected by a highly repulsive thin plate material, and hits the rear elastic body in the rolling motion. The impact force transmitted to the contacting pressing part is transmitted to the pressing part in contact with the front elastic body by the connecting collar, thereby increasing the repulsive force generated in the front elastic body and causing the wearer's instantaneous The power can be improved.

The twelfth feature configuration of the present invention is a preferred configuration in the implementation of the eleventh feature configuration.
The highly repulsive thin plate material is disposed in a form in which the connecting collar portion intersects a through hole formed in the intermediate layer body,
A permeable window is formed at a position corresponding to the through hole of the intermediate layer body of the outsole body so as to be able to see through the connecting collar portion of the highly repulsive thin plate material crossing the through hole.

  In other words, with this structure, since the connecting collar portion of the high resilience thin plate material can be seen through the transmission window, the presence of the high repulsion thin plate material to the viewer (that is, the purchaser, the wearer, etc.) In addition to being able to show, it is also possible to improve the design, thereby improving the degree of attention of the spike shoes of the present invention.

The thirteenth feature configuration of the present invention is a preferred configuration in the implementation of any one of the fourth to twelfth feature configurations.
A mortar-like concave portion is formed at a position corresponding to the stud arrangement portion on the surface of the bottom layer on the intermediate layer side.

  In other words, by adopting this configuration, the elastic body in a state in which the impact force transmitted from the stud to the elastic body is diffused along the shape of the mortar-shaped recess without concentrating the impact on the portion corresponding to the stud installation location. Therefore, the impact buffering and resilience of the elastic body can be efficiently applied.

The fourteenth feature configuration of the present invention is a preferred configuration in the implementation of any one of the first to thirteenth feature configurations.
Studs provided on the heel portion of the shoe sole are arranged in two rows in the front and rear, the hardness of the elastic body corresponding to the front stud is A40 to A50, and the hardness of the elastic body corresponding to the rear stud is A30 to A39. There is a point.

  In other words, with this configuration, the hardness of the elastic body according to the JISK6253 standard durometer type A is set so that the elastic body corresponding to the front stud is A40 to A50 and the elastic body corresponding to the rear stud is A30 to A39. The front elastic body is suitable for both high impact resilience and shock cushioning, and the rear elastic body is suitable for high impact shock resilience. This makes it possible to effectively reduce the burden on the foot and make it very advantageous as a spike shoe to be worn in field sports that can perform a rolling exercise smoothly and quickly.

Embodiment
1 to 9 show a spike shoe S for baseball that is an embodiment of the present invention, and 1A is an out-out made of a thermoplastic polyurethane resin (TPU), which is a bottom body in which a large number of fixing studs 2 are integrally formed. The sole 1B is a midsole made of an ethylene vinyl acetate copolymer (EVA), which is an intermediate layer body provided with an elastic body 3 at a position corresponding to each of the four rear studs 2r formed in the heel portion of the outsole 1A. Reference numeral 1C denotes a shoe sole side peripheral portion of the upper U which is an upper made of natural leather, synthetic leather, woven fabric, non-woven fabric, etc. Filler 1E, which is an intermediate layer body disposed on the inside, is an inner sole that is disposed on the filler 1D and is an insole with which the wearer's foot F comes into contact. 1 is formed by laminating and bonding an outer sole 1A, a midsole 1B, a shoe sole side peripheral edge 1C of the upper U, and a filler 1D in this order, and the uppermost layer of the shoe sole 1 on the filler 1D. The inner sole 1E is a five-layer structure in which the inner sole 1E is disposed in a non-laminated state.

  The outsole 1A is manufactured from a TPU material having hardness A95 (JISK6253 standard / durometer type A) having wear resistance and flexibility. On the lower surface side of the outsole 1A, nine front studs 2f, seven The auxiliary stud 2a and the four rear studs 2r are integrally formed with the outsole 1A.

  Then, on the upper surface of the outsole 1A (the surface on the midsole side), a mortar-shaped concave portion 4 extending in the longitudinal direction of the front stud 2f and the rear stud 2r is formed at each of the front stud 2f and the rear stud 2r. The mortar-shaped recess 4 is formed so that the impact force from the fixed stud 2 can be diffused along the shape of the mortar-shaped recess 4.

  Further, the peripheral portion 5 of the heel portion of the outsole 1A is formed in a wave shape that rises so as to wrap around the midsole 1B located above the outsole 1A. The midsole 1B can be prevented from losing its shape due to the load from the outside and spreading outward, and the midsole 1B can be prevented from losing its shape.

  Then, at the center position of the heel portion of the outsole 1A, a hole 6a formed in a form protruding to the upper surface side is closed by a permeable TPU material 6b having the same hardness as the outsole 1A. A transmission window 6 is provided, and a hole 7a formed in each of the chevron portions 5a of the corrugated peripheral portion 5 of the heel portion of the outsole 1A is closed by a permeable TPU material 7b having the same hardness as the outsole 1A. The 2nd permeation | transmission window 7 formed by this is provided.

  The midsole 1B has a shape that is laminated to the area from the arch portion to the heel portion of the outsole 1A, and is molded from an EVA material that is a high-impact shock absorbing polymer foam. On the side surface of the midsole 1B, A wave-shaped engaging portion 8 is formed that is laminated and engaged with the wave-shaped peripheral edge portion 5 of the outsole 1A from above and below.

  In the midsole 1B, a thermoplastic plastic rubber is provided at each position corresponding to the four rear studs 2r formed integrally with the outsole 1A so as to alleviate the impact caused by the push-up from the four rear studs 2r applied to the flange portion when landing. A fitting hole 9 penetrating the midsole 1B is formed so that the elastic body 3 made of (TPR) can be disposed, and the elastic body 3 is fitted into the fitting hole 9 from below. Are arranged.

  Further, a through hole 10 penetrating in the vertical direction is formed at the center position of the region surrounded by the four fitting holes 9, and is formed on the outsole 1 </ b> A at the lower peripheral edge portion of the through hole 10. The upper part of the first transmission window 6 is engaged.

  Each elastic body 3 is in a state of completely covering in the vertical direction the arrangement location of the four rear studs 2r formed integrally with the outsole 1A, and the inner edge 3a of the elastic body 3 is fixed to the fixed stud 2 The outer edge 3b of the elastic body 3 is superposed so as to be located on the outer side of the location where the fixed stud 2 is located, and each elastic body 3 is The fixed studs 2 are formed substantially the same in length in the longitudinal direction.

  Thereby, the impact force applied to the heel portion by the push-up from the rear stud 2r can be dispersed to the outside of the shoe S and released to the outside, so that the burden on the foot F due to the impact can be further reduced. At the same time, when the center portion of the heel portion of the shoe sole 1 is bent downward due to the load of the wearer, the shock transmitted to the inside of each fixed stud 2 can be efficiently transmitted to the elastic body 3. It is possible to efficiently improve the shock absorbing property and also improve the resilience efficiently.

  The elastic body 3 is formed such that the lower side portion of the outer edge 3b thereof is exposed in a state flush with the side surface of the midsole 1B, and the outsole is exposed to the side surface exposed portion 3c. Since the mountain-shaped portion 5a of the 1A wavy peripheral portion 5 is positioned, the side-side exposed portion 3c of the elastic body 3 is protected in a form covered by the wavy peripheral portion 5 of the outsole 1A. Each elastic body 3 fitted to the midsole 1B can be visually observed by the second transmission window 7 formed in the mountain-shaped portion 5a of the wavy peripheral edge 5.

  Further, a groove-like recess for allowing deformation of the elastic body 3 that cushions an impact is provided by providing a gap between the corrugated peripheral portion 5 of the outsole 1A in the side surface exposed portion 3c of each elastic body 3. Four 3d are formed in the vertical direction.

  Out of the four rear studs 2r of the outsole 1A, the front elastic body 3A corresponding to the two front studs 2rf located on the front side is of hardness A45 (JISK6253 standard / durometer type A) having high resilience and shock buffering properties. In addition, the rear elastic body 3B corresponding to the two rear studs 2rr located on the rear side is made of a hardness A35 (JISK6253 standard / durometer type A) having high impact buffering and resilience.

  With this configuration, the four elastic bodies 3 can alleviate the impact caused by the push-up from the four rear studs 2r applied to the entire heel portion when landing, and the front elastic body 3A has high rebound and high hardness. (Hard), and the rear elastic body 3B is made of low hardness (soft) with high shock buffering properties, in particular, from the rear stud 2rr having a large impact at the time of landing shown in FIG. The impact due to the thrusting can be effectively mitigated, and the center of gravity moves in the rolling motion, and the hard front elastic body 3A repels the front stud 2rf when the front stud 2rf shown in FIG. Therefore, the rolling exercise can be performed smoothly and quickly.

  In addition, in the relationship between the elastic body 3 and the outsole 1A, the mortar-shaped recess 4 formed at the rear stud formation portion on the upper surface of the outsole 1A causes an impact force caused by the thrust from the fixed stud 2 to the elastic body 3. Since it is transmitted on an average in a state of being diffused along the shape of the mortar-shaped recess 4, the impact buffering property and the resilience of the elastic body 3 can be made to act more efficiently.

The upper surface of the midsole is in contact with each of the four elastic bodies 3 exposed on the upper surface side of the midsole 1B by fitting holes 9 penetrating the midsole 1B in the vertical direction. A cross plate 11, which is a thin plate material made of a highly repulsive TPU capable of simultaneously pressing the elastic body 3 from the upper surface side, is disposed.
The hardness of the TPU cross plate 11 is A35 (JISK6253 standard, durometer type A).

  The cross plate 11 is integrally formed in a form provided with a pressing portion 11a that contacts the upper surface side exposed portion 3e of each of the four elastic bodies 3, and a cross-shaped connecting collar portion 11b that connects the four pressing portions 11a. Thus, the cross-shaped connecting collar portion 11b is formed at the center position of a region surrounded by the four fitting holes 9 (that is, the upper surface side exposed portion of the elastic body 3 or the placement position of the pressing portion 11a). Therefore, it can be seen from the first transmission window 6 formed in the outsole 1A.

  Moreover, the connection collar part 11b is the form which followed the peripheral part of the through-hole 10 of the midsole 1B, and is formed in the shape where the cross | intersection part fell in the through-hole 10. FIG.

  Then, on the upper surface of the midsole 1B, engagement grooves 12 that are engaged with the connecting flange portions 11b of the cross plate 11 and serve as positioning means for the location of the cross plate 11 are provided in the four fitting holes 9 respectively. It is formed in a form that reaches the periphery of the through hole 10 from the periphery.

  By arranging the cross plate 11 in this way, the cross plate 11 acts against the impact in the rolling motion of the foot F at the same time by pressing the elastic bodies 3 from the upper surface side, and thus acts as a leaf spring. The impact force transmitted to the cross plate 11 via the body 3 can be converted into a repulsive force to the heel part in the rolling motion, and the instantaneous power of the wearer can be improved.

  Further, an elastic lid member of hardness A65 (JISK6253 standard, durometer type A) manufactured from EVA for sealing the through hole 10 on the cross plate 11 and forming the hollow portion 13 between the outsole 1A. 14 is disposed, and the hollow portion 13 serves as an air cushion to relieve the shock applied to the flange portion, and in addition to the shock cushioning property of the elastic lid member 14 made of EVA, it is further improved. It has an impact mitigating effect.

  And while upper U has laminated | stacked in the form in which a part of the shoe sole side peripheral part 1C covers the upper surface of the elastic lid member 14, from the toe of the shoe sole side peripheral part 1C of the upper U and the outsole 1A Filler 1D made of natural leather, synthetic leather, non-woven fabric or the like is laminated and bonded to the arch part and midsole 1B. Furthermore, on the filler 1D, polyester or An inner sole 1E that is manufactured from an EVA material and has a good fit and soft feeling when worn is disposed in a non-laminated state.

As described above, by configuring as in the present embodiment, the impact due to the thrust from the rear stud 3rr having a large impact at the time of landing is effectively mitigated by the impact buffering property of the soft rear elastic body 3B. Thus, the burden on the foot F can be effectively reduced, and thereby the failure and injury of the foot F can be avoided as much as possible.
Further, when the center of gravity moves in the rolling motion, the hard front elastic body 3A imparts a repulsive force to the heel, so that the rolling motion can be performed smoothly and quickly, and a field requiring an instantaneous force is required. It can be made very advantageous as a spiked shoe S worn in sports.

[Another embodiment]
The shape of the elastic body 3 in the above-described embodiment may be any shape.

  In the above-described embodiment, the peripheral portion of the outsole 1A is formed in a corrugated shape, and the corrugated engaging portion 8 that engages with the peripheral portion is formed on the side surface of the midsole 1B. The shape is not limited to this, and the engaging portion 8 of the midsole 1B may be any shape that matches the shape of the peripheral edge 5 of the outsole 1A.

  Moreover, the structure which laminate | stacks them in the form in which the peripheral part 5 of 1 A of outsole completely wraps the midsole 1B may be sufficient.

  Furthermore, although the 2nd permeation | transmission window 7 which enables the elastic body 3 to be seen through was formed in the peripheral part 5 of the outsole 1A, the presence or absence of the 2nd permeation | transmission window 7 may be arbitrary.

  In the above-described embodiment, the side surface exposed portion 3c of each elastic body 3 is provided with a gap between the corrugated peripheral portion 5 of the outsole 1A and the corrugated peripheral portion 5 of the outsole 1A so as to cushion the impact. Four groove-shaped recesses 3d for allowing deformation of the elastic body 3 are formed in the vertical direction. However, the shape of the recesses 3d is not limited to this, and the position of the recesses 3d is also the same as that of the outsole 1A. Any other position (for example, the lower surface of the elastic body 3) may be used as long as a gap can be formed between them.

  In the above-described embodiment, the elastic body 3 is fitted in the fitting hole 9 of the midsole 1B, but the elastic body 3 may be configured to be fitted on the outsole 1A side. What is necessary is just a structure arrange | positioned between outsole 1A.

  In the above-described embodiment, the high resilience thin plate material that presses the elastic body 3 from the upper surface side at the same time is provided.

  And although the cross plate 11 formed from the four press part 11a and the connection collar part 11b was employ | adopted as a highly repulsive thin plate material, as a highly repellent thin plate material, it is not restricted to this structure.

  Moreover, the shape of the connection collar part 11b is not restricted to a cross shape, What kind of shape may be sufficient if it is the structure which connects the four press parts 11a.

  In the above-described embodiment, the through hole 10 is formed in the midsole 1B, and the hollow portion 13 is formed by sealing with the outsole 1A and the elastic lid member 14, but the through hole 10 and the hollow portion 13 are formed. You don't have to.

  Further, the first transmission window 6 through which the cross plate 11 can be seen through may not be formed.

  In the embodiment described above, the hardness of the front elastic body 3A corresponding to the front stud 2rf is A45 (JISK6253 standard / durometer type A), and the hardness of the rear elastic body 3B corresponding to the rear stud 2rr is A35 (JISK6253 standard / durometer). However, the numerical value of the hardness is not limited to this, and the hardness of the front elastic body 3A may be higher than the hardness of the rear elastic body 3B.

  Similarly, the outsole 1A, the midsole 1B, the cross plate 11, and the elastic lid member 14 may have any hardness.

  And although the elastic body 3 was shape | molded from TPR, if it was shape | molded from the synthetic resin and was provided with the impact buffer property and the resilience, it will not restrict to this.

  The material of the outsole 1A, the midsole 1B, the upper U, the filler 1D, the inner sole 1E, the cross plate 11, and the elastic lid member 14 is any material such as TPU, EVA, TPR, natural leather, artificial leather, non-woven fabric, etc. It may be.

Overall perspective view showing an embodiment of spike shoes of the present invention Spike shoes overall bottom view Spike shoes overall side view (A) Plan view of the heel portion in a state where the outsole and the midsole are stacked (B) Cross-sectional view in plan view of the heel portion where the outsole and the midsole are stacked VV sectional view of FIG. Sectional view taken along line VI-VI in FIG. VII-VII line sectional view of FIG. Exploded perspective view of spiked shoes Diagram showing rolling exercise

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Shoe sole 1A Surface bottom body 1B Intermediate layer body 1C Intermediate layer body 2 Stud 2r Stud of a heel part (rear stud)
DESCRIPTION OF SYMBOLS 3 Elastic body 3a Inner edge 3b of elastic body Outer edge 3d of elastic body Recess 4 Mortar-shaped recess 5 Wave-like peripheral part 5a Mountain-shaped part 6 Window 7 Window 8 Engagement part 9 Insertion hole 10 Through hole 11 High resilience thin Plate material 11a Pressing part 11b Connecting flange part 13 Hollow part 14 Elastic lid member

Claims (14)

Made of synthetic resin to alleviate the impact caused by the thrust from the studs on the heel part during dynamic walking or running at a position corresponding to the plurality of studs provided in the form of back and forth on the heel part of the shoe sole Spike shoes with an elastic body of
Spike shoes in which the hardness of the elastic body corresponding to the stud located on the front side of the heel portion is higher than the hardness of the elastic body corresponding to the stud located on the rear side.   The spike shoe according to claim 1, wherein the inner edge portion of the elastic body is disposed in a state where the elastic body is located on an inner side of the shoe sole with respect to a corresponding portion of the stud.   The spike shoe according to claim 1 or 2, wherein the outer edge portion of the elastic body is disposed in a state where the elastic body is positioned on an outer side of the shoe sole with respect to a corresponding portion of the stud.   The heel portion of the shoe sole is formed in a state in which an intermediate layer body provided with the elastic body is laminated on at least an upper side surface body provided with a stud. The listed spiked shoes. In the heel portion of the shoe sole, at least a part of the peripheral portion of the outsole body is formed in a wave shape that rises in a form of enveloping the intermediate layer body,
The spike shoe according to claim 4, wherein a wave-shaped engagement portion that engages with a wavy peripheral edge portion of the bottom bottom body from above and below is formed on a side surface of the intermediate layer body. The outer edge of the elastic body is located on the outer side of the shoe sole with respect to the location of the studs to which the elastic body corresponds, and at least a part of the outer edge is an intermediate layer body. It is arranged in the form exposed on the side of the
6. The spike shoe according to claim 5, wherein a mountain-shaped portion of the wave-like peripheral portion of the outsole body is formed so as to be located at a location where the elastic body is exposed.   The spike shoe according to claim 6, wherein a permeable window capable of seeing through each elastic body disposed in the intermediate layer body is formed in a mountain-shaped portion of the wave-shaped peripheral portion of the bottom surface body.   The spike shoe according to any one of claims 4 to 7, wherein a recess for forming a gap between the elastic body provided in the intermediate layer body and the front and bottom bodies is formed. While forming a through-hole penetrating in the vertical direction in the intermediate layer body,
An elastic lid member for sealing the through hole is provided on the upper surface of the intermediate layer body, and a hollow portion is formed in the intermediate layer body between the bottom surface body and the elastic lid member. The spike shoes according to any one of 4 to 7.   10. The thin plate material having high resilience capable of simultaneously pressing the elastic bodies from the upper surface side is disposed at a position corresponding to the elastic body disposition location on the upper surface of the intermediate layer body. Spike shoes according to item. Each of the elastic bodies is fitted in a fitting hole formed in the intermediate layer body so as to penetrate in the vertical direction in a form in which a part of each elastic body is exposed on the upper surface of the intermediate layer body,
The said highly repulsive thin board | plate material is formed from the some press part contact | abutted with respect to each elastic body exposed on the upper surface of an intermediate | middle layer body, and the connection collar part which connects these press parts. Spike shoes. The highly repulsive thin plate material is disposed in a form in which the connecting collar portion intersects a through hole formed in the intermediate layer body,
12. The spike according to claim 11, wherein a permeable window is formed at a position corresponding to the through hole of the intermediate layer body of the top and bottom body so that the connecting collar portion of the highly repulsive thin plate material intersecting the through hole can be seen through. shoes.   The spike shoe according to any one of claims 4 to 12, wherein a mortar-shaped concave portion is formed at a position corresponding to a stud arrangement place on a surface of the outsole body on the intermediate layer side. Studs provided on the heel portion of the shoe sole are arranged in two rows in the front and rear, the hardness of the elastic body corresponding to the front stud is A40 to A50, and the hardness of the elastic body corresponding to the rear stud is A30 to A39. The spike shoe according to any one of claims 1 to 13.

Images