JP2793981B2 - Snowboard boots with heel cup - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a snowboard boot. More specifically, the present invention relates to a snowboard boot with a heel cup for stably holding a foot on the snowboard boot.

[0002]

2. Description of the Related Art Snowboarding, which is a recent sport, is a variant of skiing. Snowboarding, in which both feet are placed on a single short board, requires stronger leg strength than skiing. The integrity between the snowboard boot and the snowboard requires more physical strength than the integrity between the ski boot and the ski. Furthermore, the integrity between the snowboard and the foot requires more physical strength than the integrity between the ski boot and the foot.

[0003] When fastening a belt for fastening a binding fixed to shoes and a snowboard, a method of fastening snowboard boots and feet is generally known. In such a fixing method of fixing the foot to the snowboard via the boot, the fixing relation between the three members between the foot, the snowboard and the boot is not clear. For this reason, the fixed relationship between the snowboard and the boots is not good.

[0004] Clarifying the independence of the fixed relationship between the snowboard and the boot and the fixed relationship between the boot and the foot has been particularly desired for snowboards. In particular, there is a need for a means for supporting and stabilizing both sides of the snowboard boot, that is, the side surface from the instep to the toe when performing a heel side turn.

[0005]

The present invention has been made based on such a technical background, and achieves the following objects.

[0006] It is an object of the present invention to provide a snowboard boot with a heel cup that clarifies the fixed relationship between the snowboard and the boot.

Another object of the present invention is to provide a snowboard boot with a heel cup that clarifies the fixed relationship between the boot and the foot.

It is still another object of the present invention to provide a snowboard boot with a heel cup that clarifies the fixed relationship between the snowboard, the boot and the foot.

It is still another object of the present invention to provide a snowboard boot with a heel cup for strongly fixing a foot to a snowboard via a boot.

It is still another object of the present invention to provide a heel cup for a snowboard boot in which a foot is strongly fixed to the snowboard via a boot in a step-in type snowboard.

[0011]

The present invention employs the following means in order to solve such problems.

The snowboard boot with a heel cup according to the first aspect of the present invention is mounted from the rear side of the snowboard boot over a central portion, and is made of a material having higher mechanical strength than the other sides constituting the snowboard boot and having a higher hardness. Heel cup (1) having a heel cup (1)
A rear part (3) connected to the rear side of the bottom part (2) and corresponding to the heel part of the foot; both sides of the bottom part (2) and the rear part (3)
And two side portions (4) corresponding to both side portions of the foot, and the both side portions (4) include a front portion (6) longer than the bottom portion (2).

A snowboard boot with a heel cup according to a second aspect of the present invention is the snowboard boot with a heel cup according to the first aspect, wherein the heel cup is made of a synthetic resin.
Hardness is 85 (ASTM D785 Rockwell hardness R scale) or more.

A snowboard boot with a heel cup according to a third aspect of the present invention is the snowboard boot with a heel cup according to the first or second aspect, wherein the heel cup is polyhexamethyllenadipamide.

[0015]

[0016]

The snowboard boot with a heel cup of the present invention is preferably formed by injection molding on the outermost surface of a skin constituting the main body of the boot, but may be formed inside. The snowboard boot with a heel cup of the present invention is formed of a hard material such as engineering plastic or metal. In the case of a synthetic resin, a resin having mechanical strength such as tensile stress, bending, torsional rigidity, impact strength, and hardness is used. For example, it can be manufactured by injection molding using a nylon resin, and preferably has a thickness of 2.5
mm to 3.0 mm. In the case of a nylon resin, polyhexamethylene adipamide (registered trademark nylon 66) having a hardness of about 85 (ASTM D785 Rockwell hardness R scale) or more is preferable.

In the case of other engineering plastics, for example, the hardness of polypropylene (PP) is 85.
(ASTM D785 Rockwell hardness R scale)
The above is preferable. The snowboard boot with a heel cup of the present invention is effective when used in a step-in type boot.

In the snowboard boot with a heel cup according to the present invention, when the foot is tilted forward with respect to the snowboard and twisted, the integral relationship between the heel and the boot is strong, and the rotation of the foot is effectively transmitted to the boot and the snowboard. Is done. in this case,
The rotation of the foot is effectively transmitted through the boot. Both sides extending from the heel to the fingertip of the boot of the heel cup are integrated through the bottom. By such side portions having a large lateral supporting force due to the arrangement of the heel cup, the rotation of the boot around the heel portion is effectively performed integrally with the snowboard. Since the length of both sides is longer than the length of the bottom,
The heel cup has flexibility, so your feet won't hurt.

[0020]

Next, an embodiment of the present invention will be described. FIG. 1 is a bottom view showing the first embodiment of the present invention. FIG. 2 is a sectional view taken along line II-II in FIG. The heel cup 1 for a snowboard boot is attached to a boot body as shown in FIG.

The heel cup 1 for snowboard boots
It comprises a bottom portion 2, a rear portion 3 connected to the rear side of the bottom portion 2 and rising while bending, and both side portions 4 connected to the bottom portion 2 and the rear portion 3 and rising from both sides of the bottom portion 2. Both sides 4 are bottom 2
It extends longer in front of the boots. The upper end surfaces 4a of the both side portions 4 are inclined so as to go down from above toward the front end (front end in the toe direction).

The bottom 2 is the bottom and mainly supports the sole of the heel of the foot. The rear part 3 mainly supports the rear part of the heel part of the foot.
An upper part 5 that rises further higher is formed integrally with the heel part 3 continuously upward. The sides 4 mainly support the sides of the foot. In particular, the front part 6 of the side parts 4 supports the side surface between the instep and the fingertip. In particular, it supports the widest part of the foot when viewed from the plane, that is, the side of the foot at a position near the fingertip.

The front part 6 which is a side position close to the fingertip
Supporting the foot up to the position is stable because the support surface is long. Further, since the front portion 6 is also the position where the most force is applied when the snowboard is turned around the heel, for example, the turn is stable. The heel cup 1 for a snowboard boot is formed of a hard synthetic resin material by injection molding on the outermost surface of a skin constituting a main body of a boot (not shown).

As the hard material, a hard engineering plastic is desirable. For example, a nylon resin is used. Polyhexamethylene adipamide (registered trademark nylon 66) having a hardness of about 90 (ASTM D785 Rockwell hardness R scale) or more was used. It is formed so as to have a thickness of 2.5 mm to 3.0 mm. However, the heel cup 1 for snowboard boots may be made of another material such as FRP as long as it is flexible, does not expand and contract, and has strong mechanical properties.

In such a heel cup for snowboard boots, the bottom 2 can be integrated with the boot bottom, such as the midsole of the boot, by bonding or the like. The heel cup 1 for a snowboard boot has front portions 6 and 6 continuously extending forward from both sides 4 and 4 so that the heel cup 1 extends from the rear side of the boot to the central portion or the toe portion and is mounted. The side portions 4 may be fixed to the side portions of the boot, and the rear portion 3 may be fixed to the heel portion of the boot by means such as bonding or sewing. It can also be detachably mounted inside the boot.

FIG. 3 shows a snowboard boot 21 for mounting the heel cup 1 thereon. The snowboard boot 21 includes a shoe sole 22, a fingertip 23, and a heel 2.
The shoe sole 22 is provided with an inner sole 26 made of a hard material. FIG. 3 shows a case where the heel cup 1 is mounted inside the snowboard boot 21. The bottom 2 of the heel cup 1 is fixed to the shoe bottom of the snowboard boot 21. The both sides 4 and 4 and the front parts 6 and 6 of the heel cup 1 can be fixed to both sides of the snowboard boot 21 and both sides of the fingertip 23. The heel 3 of the heel cup 1 can be fixed to the heel 24 of the snowboard boot 21.

The heel cup 1 for snowboard boots
It can also be used by attaching to the outermost surface of the boot. Also in this case, the side portions 4 can be fixed to the outside of the side portions of the boot and the rear portion 3 can be fixed to the outside of the heel portion of the boot by means such as bonding or sewing. Further, it can be detachably mounted inside the boot.

The heel cup 1 for a snowboard boot has a plurality of holes or holes 31 at the rear and both sides, respectively. This hole 31 is a mounting hole for mounting through a band or the like. The boot is provided with means for adjusting the angle between the bottom and the leg. This means
This is a means to shorten the distance by tightening the bottom and legs. Both ends are fixed to both sides of the heel portion, and the middle portion can be realized by a strap passing between the fingertip portion and the front portion of the leg portion. By tightening such a strap, the angle can be adjusted. In addition, the angle can be adjusted by tightening a strap or a string connecting the rear portion of the leg portion and the fingertip portion. Such an angle adjustment can ensure the foot fixation by the heel cup of the present invention.

The heel portion of the boot reinforced by the rear portion of the heel cup 1 for a snowboard boot is firmly attached by the snowboard binding. Step
The heel part of the boot reinforced by the rear part of the heel cup 1 for the snowboard boot is detachably fitted into the detachable engagement part of the in-type snowboard. Regardless of whether the heel cup 1 for a snowboard boot is attached to the inside or outside of the boot, the heel of the reinforced boot is firmly fixed to the snowboard.

The boot having the heel cup 1 for a snowboard boot effectively transmits the turning force of the foot around the heel to the snowboard. In this case, both sides 4, 4 and front parts 6, 6 strongly support both sides of the foot on the snowboard boot.

[0031]

The heel cup 1 for snowboard used was a polyhexamethylene adipamide (nylon 66) having a hardness of about 90 (ASTM D785 Rockwell hardness R scale). Those having a thickness of 2.5 mm to 3.0 mm were used. In the case of polypropylene (PP), a material having a hardness of 85 (ASTM D785 Rockwell hardness R scale) was used.

[0032]

According to the snowboard shoe of the present invention, the turning force of the foot centering on the heel can be effectively transmitted to the snowboard, so that the operability of the snowboard is improved.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view taken along line II of FIG. 2;

FIG. 2 is a bottom view showing Embodiment 1 of the heel cup for a snowboard boot according to the present invention.

FIG. 3 is a front view showing an embodiment in which the heel cup of FIG. 1 is mounted on a snowboard boot.

[Explanation of symbols]

 1: Heel cup for snowboard boots 2: Bottom part 3: Rear part 4: Both sides

Claims (3)

(57) [Claims] 1. A snowboard boot, wherein the rear side of the snowboard boot over the central portion is mounted, the heel cup mechanical strength than the other side constituting the snowboard boot is made of a strong hard material ( rear 1) have a said heel cup (1) is, corresponding to the heel of the foot connected by the rear side of the bottom portion (2)
(3), and both sides (4) connected to both sides of the bottom part (2) and the rear part (3) and corresponding to both sides of the foot , and the both sides (4) are provided with the bottom part (2). ) Longer forward part
(6) A snowboard boot with a heel cup, characterized in that: 2. The snowboard boot with a heel cup according to claim 1, wherein the heel cup is made of a synthetic resin and has a hardness of 85 (AS).
(TM D785 Rockwell hardness R scale) or higher. 3. The snowboard boot with a heel cup according to claim 1 , wherein the heel cup is made of polyhexamethyllenadipamide.