JP3602734B2 - Athletics shoes - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention realizes a lightweight athletic shoe by forming the shoe without using an upper material.
[0002]
[Prior art]
BACKGROUND ART Conventionally, athletics shoes have been required to be reduced in weight, and a number of techniques have been disclosed.
For example, with regard to each component of shoes, from the aspect of the material, from research on the upper material, the material of the outsole and midsole, shoelaces, eyelets to sewing threads and adhesives, much research and research has been done on the weight reduction of the material itself. Development has been done.
[0003]
On the other hand, various researches and developments have also been conducted from the aspect of shoe structure.
For example, U.S. Pat. Japanese Patent No. 4107857 discloses a shoe having a structure in which a strap corresponding to the inner or outer side of the shoe sole is provided instead of a part of the upper material for the purpose of weight reduction and the tip of the strap is eliminated. Have been.
Also, Japanese Patent Application Laid-Open No. 8-317806 discloses a technique for reducing the weight of the entire shoe using an upper material and a belt.
[0004]
[Problems to be solved by the invention]
However, research on the weight reduction of materials has reached a certain limit, and today it is difficult to achieve a significant effect on weight reduction of shoes as a result of weight reduction of materials.
Further, in each of the above-described inventions and the like, a predetermined amount of the upper material is required, so that there is a limit in reducing the weight of the entire shoe.
In addition, U.S. Pat. In the shoe disclosed in Japanese Patent No. 4107857, the corresponding straps on the inner and outer insteps had to be tied together, which was inconvenient and not practical.
In view of the above, the present invention makes it possible to solve the problem of further weight reduction by configuring the shoe without using any upper material, especially in athletics shoes for which there is a high demand for weight reduction.
[0005]
[Means for Solving the Problems]
In order to solve the above problem, an athletics shoe according to the present invention is mainly configured with a sole, a plurality of enclosures, a toe protection material, a heel protection material, a side reinforcing material, and a fastener. .
That is, one end of the enclosure is fixed to the peripheral edge of the sole, and the other end has a fastener locking structure.
The toe protector is formed for the purpose of protecting the toe of the wearer from the road surface, but the toe of the wearer's toe so that the toe does not protrude from between the enclosures. It is also possible to have a shape that covers the entire part in front of the ball or the ball of the foot.
[0006]
The side reinforcing member is fixed to each surrounding body above the heel protection member and near the fastener locking structure, and a fastener such as a shoelace or a belt is locked to the fastener locking structure.
By forming in this manner, the fastening device locking structure can be integrated into the instep portion, and convenience in locking shoelaces and the like is good, and the direction in which the surrounding body is pulled can be regulated. Optimum fit can be obtained when tightened with a fastener.
[0007]
The material and shape of the enclosure are not particularly limited, but the material is preferably a material made of a highly elastic synthetic resin fiber or the like having a small elongation, and the shape is formed into a tape having an appropriate width. Is preferred.
[0008]
The sole according to the present invention can have various configurations according to the type of the used item.From the toe to the heel, the heel of the sole plate made of a relatively resilient and lightweight synthetic resin is used. A heel wedge made of a material rich in cushioning properties can be laminated and integrated on the upper surface of the part.
Further, in shoes for short-distance events in which the sole is formed of a hard resin, the sole is formed only in the forefoot from the toe to the vicinity of the arch, and in the vicinity of the heel, conventionally used. It is also possible to use an impact absorbing member in the form of a sheet or an anti-slip material called sharkskin.
[0009]
In addition, depending on the event, it is also possible to attach a tongue piece that covers the lower surface of the fastener and the fastener locking structure to an appropriate portion such as the toe protector, in order to improve the foot contact of a shoelace or the like. .
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
An athletic shoe according to the present invention is implemented as follows.
The sole according to the present invention is formed in various shapes according to the type of the used item.
For example, in the case of the short-distance item shoes shown in FIG. 1, the outsole 2 is formed from the forefoot or toe to the heel using a relatively hard, resilient, and lightweight synthetic resin. At a predetermined position, a spike pin 9 made of metal, resin or ceramic is provided upright.
On the upper surface side of the outsole 2, a midsole 3 made of an ethylene-vinyl alcohol copolymer (hereinafter, referred to as “EVA”) sponge, which is a flexible synthetic resin, is laminated from the vicinity of the arch to the heel. Is also possible.
[0011]
When the present invention is applied to long-distance sports shoes such as marathon shoes and jogging shoes, the outsole is made of a material such as foamed rubber or foamed polyurethane which is rich in abrasion resistance and slip resistance and lightweight.
On the upper surface side of the outsole, a midsole (heel wedge) made of EVA sponge, which is a flexible synthetic resin, can be laminated from the vicinity of the arch to the heel or from the toe to the heel.
[0012]
As shown in FIG. 1, the surrounding body 4 according to the present invention is used so as to surround the foot from the sole outer peripheral portion 5 to the instep to fix the sole to the athlete's foot.
At this time, the surrounding body 4 can be directly fixed to the sole outer peripheral portion 5, but as shown in FIG. 2, it is sewn and fixed to a narrow reinforcing piece 6 provided along the sole outer peripheral portion 5. You can also.
The surrounding body 4 is made of a material having low elongation and high tensile strength in order to effectively transmit the kick force from the foot to the track.
Specifically, high elasticity polyethylene fibers, polyacetal fibers, polyvinyl alcohol fibers, and the like having a tensile strength of 15 g / d or more and a tensile modulus of 500 g / d or more are suitable, but are not particularly limited. Any conventionally used nylon fiber, polyester fiber or the like may be used as long as it can withstand the structure of the present invention.
[0013]
The shape of the surrounding body 4 is not particularly limited, but a tape-like shape is suitable.
The width of the tape can be changed depending on the part to be used, but may be a fixed width.
For example, the surrounding body provided on the arch inner side and the outer side may be slightly wide, and the surrounding body provided on the forefoot part, the toe part and the periphery of the heel may be narrow.
[0014]
The mounting position of the surrounding body 4 is determined at a position where the foot can be effectively tightened in consideration of the skeleton structure of the foot, the movable part, and the like.
More specifically, about 3 to 5 balls are provided in the region from the vicinity of the thumb ball portion to the vicinity of the calcaneus, which is the inner periphery of the outsole, and the outer finger portion of the outer sole, Approximately three to five in the area from the vicinity to the vicinity of the calcaneus, and about three in the outer periphery of the forefoot, near the head of the first phalanx, near the distal end of the fourth phalanx, and the toe Is preferred.
[0015]
The angle at which the surrounding body 4 is attached is set in a region from the vicinity of the thumb ball portion to the vicinity of the calcaneus, approximately 0 ° to 90 °, preferably 20 ° to 70 °, preferably 20 ° to 70 °, in the forefoot region when worn. What is provided is appropriately determined within a range of 60 ° to 180 °, preferably 90 ° to 150 °.
[0016]
At one end of the enclosure 4, a fastener locking structure 7 is formed.
Specifically, when the shoelace 8 is used as a fastening device, the fastening device locking structure 7 may be a loop formed by appropriately bending the end of the surrounding body 4 and sewn, or a metal or resin D It is possible to form a ring.
When a belt (tape) -shaped fastener is used, the fastener locking structure may be an elongated hole corresponding to the width of the belt.
[0017]
The toe protection material 10 and the heel protection material 11 are members used for protection and holding of the toe and heel, and are made of a woven fabric, a nonwoven fabric, a resin sheet, natural leather or artificial leather, or a combination thereof as appropriate.
Although the shape of the toe protection member 10 is not particularly limited, it is preferable that the toe protection member 10 be formed so as to cover almost all of the toes. Specifically, using artificial leather or the like having low elongation and high tensile strength, the sole is formed on the upper surface of the sole so as to cover from the first toe to the vicinity of the third joint of the fifth toe.
On the other hand, the heel protection member 11 is formed in a shape that covers the vicinity of the lower part of the ankle from the rear end of the heel. Specifically, it is formed by using artificial leather or the like having a low elongation and a high tensile strength, so as to cover the area from the rear end of the Achilles tendon to the calcaneus and the lower part of the ankle. At this time, if a heel counter made of a resin sheet is provided, the shape retention of the heel portion and the stability during running and the like are improved.
[0018]
The side reinforcing member 12 according to the present invention extends forward from above the heel protection body 11 and below the ankle, and is fixed to each surrounding body 4 in the vicinity of the fastener locking structure 7.
The side reinforcing member 12 is formed of a material having low elongation and high tensile strength, similarly to the surrounding member.
By forming the side reinforcing members 12 in this manner, when tightening with the fasteners, the heel protection body can be brought into close contact with the heel portion, and each enclosure 4 can be supported at an appropriate position. .
[0019]
A fastening tool such as a shoelace or a belt is locked in the fastening tool locking structure. The fastening device is not particularly limited, but a shoelace is advantageous for reducing the weight of the entire shoe.
When a belt-like member is used as the fastener, a lightweight and low-elongation synthetic resin tape or artificial leather positive tape is used, and is detachably configured using a hook-and-loop fastener or the like. In this case, it is preferable that the fastener retaining structure 7 is an annular member made of metal or synthetic resin.
[0020]
Although the sole 1 according to the present invention can have various configurations depending on the type of the used item, the sole plate is made of a relatively resilient and lightweight synthetic resin from the toe to the heel. A heel wedge made of a material rich in cushioning properties can be laminated and integrated on the upper surface of the heel.
[0021]
【The invention's effect】
The athletics shoes according to the present invention can be formed to be extremely lightweight because they are constructed without using any upper material.
[Brief description of the drawings]
FIG. 1 is an external view of a track-and-field athletic shoe according to the present invention as viewed from the outer side.
FIG. 2 is an external view showing another embodiment of an athletics shoe according to the present invention.
FIG. 3 is an external view of a conventional athletic shoe.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Sole 2 Outsole 3 Midsole 4 Enclosure 5 Sole peripheral part 6 Reinforcement piece 7 Fastener locking structure 8 Shoelace 9 Spike pin 10 Toe protection material 11 Heel protection material 12 Side reinforcement

Claims (7)

A sole, a plurality of tape-shaped enclosures, a toe protection material, a heel protection material, a track and field shoe comprising a side reinforcing material and a tightening tool, wherein one end of the enclosure is at an outer periphery of the sole. The other end has a fastener locking structure at the other end, and the side reinforcement is fixed to each of the enclosures above the heel protection material and near the fastener locking structure, and the fastener is engaged with the fastener locking structure. Athletic shoes characterized by being stopped. The attachment position of the surrounding body is a region from the vicinity of the thumb ball portion to the vicinity of the calcaneus, which is the inner periphery of the sole, and the vicinity of the calcaneus. The athletics according to claim 1, wherein the region is a region near the head of the first base phalanx, near the distal end of the fourth base phalanx, and near the toe. For shoes. The athletics shoe according to claim 1, wherein the toe protecting material has a shape covering an entire portion of a wearer's foot portion which is forward of a toe ball or a toe ball. The athletic shoe according to any one of claims 1 to 3, wherein the surrounding body is formed of a tape made of a fiber made of a highly elastic synthetic resin. The athletic shoe according to any one of claims 1 to 4, wherein the sole is formed from the toe to the heel, and a midsole is laminated and integrated on the upper surface of the heel of the sole. The athletic shoe according to any one of claims 1 to 4 , wherein the sole is formed only on a forefoot portion extending from the toe portion to the vicinity of the arch portion. The athletic shoe according to any one of claims 1 to 5, further comprising a tongue piece that covers a lower surface of the fastener.

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