JPS5810081B2 - Athletic shoes with spikes - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The athletic shoe with spikes of the present invention relates to an improvement in the sole of the shoe, and when the contact surface of the sole comes into contact with the ground (when the shoe wearer lands on the ground), for example, when the shoe wearer lands on the ground, When viewed from the ground contact surface of the sole, the spikes gradually come to a standstill while undergoing refractive (inclined) sliding (swaying) deformation in the opposite direction to the direction of shear (swaying) deformation of the sole. By configuring the attachment part of the spikes to prevent them from coming to a sudden stop (standing still), the strong reaction force from the ground is reduced, and the risk of causing fatigue or injury to the feet of the shoe wearer is prevented. This is what we are trying to prevent.

By the way, conventional spiked athletic shoes have low braking force or
Shoes with spiked soles molded with high rigidity to prevent the sole from breaking or the spikes from falling off even when a strong kicking force is applied, or where the spikes are mainly attached to the sole with high rigidity. They were simply shoes with dents or grooves on the soles, except for the soles, and had spiked soles designed to allow the soles to bend easily as the wearer exercised.

On the other hand, a rather soft sole is made of a non-rigid rubber-like elastic material or a sole material such as natural leather, and at least only the side where the spikes are attached is made of a hard (rigid) synthetic resin material. This shoe was equipped with a spiked sole in which a spike attachment was embedded and fixed in the side of the rigid spike attachment area.

However, in all of these conventional athletic shoes with spikes, the sides of the spiked soles where the spikes are attached are made of hard (rigid) material, and the pressure applied to each spike fixed to a hard plate etc. is transmitted to the entire hard plate, so even if the bottom plate is relatively soft, the bottom plate is only slightly deformed, and the buffering effect is weakened.

In addition, in the case where the spike attachment is fixed to a single elastic plate, the spikes attached to the elastic plate will hardly suffer horizontal refractive displacement (sway) deformation when they receive a landing impact. In addition, when the sole material is bonded to the elastic plate, the elastic action of the elastic plate is suppressed by the sole material, making it even more difficult for each spike to undergo refractive shear (sway) deformation. Therefore, when a shoe wearer lands while running or jumping, the sole of the shoe is brought to a sudden stop (stopping), and receives a large reaction force from the ground with a corresponding impulse. Since the shoe does not provide any relief, it has a defect that causes foot injuries and fatigue for the shoe wearer.

In order to overcome the above-mentioned deficiencies of the conventional spiked athletic shoes, etc., the present invention surrounds the bases of the spikes in a rigid main body made of a material strong enough to withstand repeated refractive forces. It is characterized by having a supported flexible mounting member, so that when the foot of the shoe wearer (the shoe) lands, the sole does not immediately stop (stand still).
For example, if you take the ground contact surface of the sole as a reference, the sole will shift forward (
Each spike in the pupil undergoes refractive displacement (sway) and deformation in the horizontal direction while deforming (shaking) and comes to a halt (stand still), thus alleviating the strong reaction force from the ground and making it possible to wear shoes. This made it possible to prevent foot fatigue and injuries in the first place.

The spiked athletic shoes of the present invention that can achieve the above object will be explained according to the drawings.
As shown in Fig. 3, first, a mounting member C is embedded in a predetermined part of the main body of the main body to which the spike is to be mounted, and is embedded and supports the base 5 of the spike a or the fitting d connected to the spike a. A plurality of through holes 1 are provided for fitting and mounting.

Each through hole 1 of the main body of the sole has an insertion opening 2 for mounting the mounting member C on the upper surface thereof, and a tip of the spike a on the lower surface, as shown in FIGS. A through hole 4 is provided on the side to protrude through it, as shown in Figure 2 ■ and ■
As shown in the figure, the mounting member C is attached to the lower surface side, and an insertion opening 2' is provided through which the tip of the spike a passes through the lower surface side.

Furthermore, each of the through holes 1 of the main body of the sole is formed with a receiving part 3 on its upper surface for receiving a load in the vertical direction, as shown in FIGS. As shown in FIG. 2, a fixing piece 6 is provided on a portion of the hole edge in the vertical direction to latch and support the mounting member C and the like.

Furthermore, the sole A is fitted with a flexible mounting member C in each through hole 1 provided at a predetermined portion of the main body of the shoe, as shown in FIGS. 3 1 to 3. , each mounting member C is attached to the base 5 of the spike a or the attachment d of the spike a in advance.
It is embedded and supported so as to surround it.

Each mounting member C is made of a rubber-like elastic material such as synthetic rubber, natural rubber, or a mixture thereof, particularly a flexible elastic member such as a solid or foam material of polyurethane rubber or a mixture thereof. Therefore, even under conditions where refractive power acts repeatedly, each spike a will not be easily damaged, and each spike a will be refracted in the opposite direction to the direction in which the sole A is displaced (swayed) in the horizontal direction. Each of the spikes a can be supported so as to easily cause (inclined) displacement (wavering) deformation.

Next, a concrete implementation of a spiked athletic shoe comprising a sole A in which a mounting member C embedded and supported so as to surround the base 5 of the spike a or the spike attachment d of the present invention is mounted in each through hole 1. Toggi gives an example.

First, as shown in FIG. Each embedded mounting member C is mounted from the insertion opening 2 on the upper surface side of each through hole 1, with only the tip of each spike a etc. protruding from the through hole 4 on the lower surface side.

Further, as shown in Fig. 3 (■) and (■), each attachment member C is attached from the insertion opening 2' on the lower surface side of each through hole 1 of the sole main body of the sole A, and is inserted so as to surround it. Only the tip portion of the embedded spike a etc. is allowed to penetrate and protrude from the insertion opening 2' on the downward side.

Furthermore, as shown in FIGS. A vertical load (for example, a load several times the weight of the shoe wearer) applied from above to the main body of the shoe sole is absorbed by the receiving portion 3 extending from the upper surface of the hole edge toward the center of the through hole 1. The bridge is stopped and relaxed so that it cannot be damaged.

Furthermore, as shown in FIG. Through hole 1 from the approximately central part of the rim, etc.
or from the lower side of the hole edge of each hole in the sole main body as shown in FIG. 3 Lm and ■ etc. It is latched and fixed by the fixing piece 6' extending in the opposite direction so that it will not fall off.

In the athletic shoe with spikes according to the present invention formed as described above, when the shoe wearer lands on the ground (that is, when the sole A lands on the ground), the sole A first touches a predetermined portion of the main body of the shoe. The ground etc. are caught by each spike a etc. in each through hole 1 in the shoe sole A, but rather than stopping immediately (standing still), it is supported by the mounting member C in each through hole 1 in the sole body of the sole A. For example, if the tip of spike a is based on the ground contact with the sole of the shoe,
The sole of the shoe gradually stops (stands still) while being refracted (slanted) in the opposite direction to the direction of horizontal displacement (sway) deformation, that is, the sole A suddenly stops. They do not come to a sudden stop (stand still), so they do not receive strong reaction forces from the ground, etc. that have not yet been reduced, unlike conventional spiked athletic shoes that suddenly come to a sudden stop (stand still). Since the shoes are subjected to a relaxed and reduced reaction force, there is no risk of causing fatigue or injury to the feet of the shoe wearer.

In this way, when a shoe wearer lands on the ground, if we try to stop (stand still) the momentum applied to the ground from diagonally above at the same time as landing, we will create a reaction force that is an impulse corresponding to this momentum (
This is equivalent to approximately 3 to 5 times the body weight of the shoe wearer) and is received from the ground.

In such a case, the sole A of the athletic shoe with spikes according to the present invention
The spike a is caused by the tip of the spike a etc. being slightly shifted (swaying) deformed, for example, backwards in a refractive (inclined) manner.
After it catches the ground, it gradually comes to a halt (stand still) while causing some shearing (swaying) and deformation for a short period of time before it comes to a complete stop (stand still).

The magnitude of the impulse applied at this time is expressed as (force) x (time), and since the impulse at that time is the momentum before landing, it is a constant amount determined by the state of movement regardless of the structure of the shoe, and is equal to force. The length of time is inversely proportional to each other, so the longer it takes to stop (standstill), the smaller the reaction force will be.

In this way, if the time from landing to coming to a complete stop (standing still) becomes 10 times longer, for example from o, ooi seconds to 0.01 seconds, the difference in length of time will not make much of a difference perceptually. Inevitably, the magnitude of the reaction force from the ground is reduced to one-tenth, and the reaction force exerted on the feet of the shoe wearer is also reduced, reducing not only foot fatigue but also the risk of injury.

Further, as shown in FIGS. 1 and 1, the spiked athletic shoe of the present invention has a base 5 of the spike a and a mounting member C attached to the sole A of the shoe.
or attachment d combined with spike a.
There are also those to which a mounting member C is attached.

The other symbol B is the upper portion of the spiked athletic shoe.

In addition, the main part of athletic shoes with spikes, the main part of the sole, is made of a rigid polyurethane resin, and each attachment member C is made of a polyurethane resin foam, a polyurethane rubber solid body, or a foam. If a flexible elastic body or a rubber-like elastic body material is used, the sole body of the sole A and each attachment member can be molded into one piece.

[Brief explanation of the drawing]

FIGS. 1 and 1 are schematic illustrations of partially cutaway side views of the spiked athletic shoes of the present invention. FIGS. 2 - 2 V are partially enlarged cross-sectional schematic illustrations of the spike attachment area of the sole of the shoe. FIGS. 3-3 are partially enlarged schematic cross-sectional views showing the state of the shoe sole, which is the main part, mainly the spike attachment part. Reference numbers in the drawings: A...sole, B...instep, a...spike, b...sole main body, C...attachment member, d...attachment,
1...Through hole, 2,2'=...Insertion port, 3...Receiving part, 4
...Through hole, 5...Base, 6...Fixing piece.

Claims (1)

[Scope of Claims] 1. A main body of a rigid sole having a through hole in the mounting area of each spike, a base of the spike or a mounting device for the spike, and a mounting member embedded to support the base of the spike, etc. a flexible mounting member C that surrounds the base 5 of the spike a or the spike mount d and supports the spike a so that it can easily undergo refractive displacement deformation in each through hole 1 of the sole main body. Athletic shoes with spikes, characterized in that they are provided with a sole A that is fitted and molded into each of the through holes 1 of the sole main body. 2. Claim 1, characterized in that each through hole 1 of the sole main body of the shoe sole has a receiving portion 3 formed at a part of the hole edge to receive a load in the vertical direction. Athletic shoes with spikes as described. 3. According to claim 1, each through hole 1 of the sole main body B of the sole A is provided with a fixing piece 6 for fixing the mounting member C on a part of the hole edge. athletic shoes with spikes.