KR101352091B1 - Light weight article of footwear with high elasticity - Google Patents

Abstract

Disclosed is a lightweight article of footwear having high elasticity, which can improve impact absorption and resilience, and contribute to weight reduction. The lightweight shoe article having high elasticity includes a midsole and a high elastic material having a relatively higher elasticity than the midsole, and include a reinforcing member provided at the bottom of the midsole, wherein the reinforcing member has an opening formed at the bottom thereof and the bottom of the midsole. A bending portion fixed to the support portion, and a support portion integrally bent at both ends of the bending portion and providing an elastic bottom surface spaced apart from the bottom surface of the midsole.

Description

LIGHT WEIGHT ARTICLE OF FOOTWEAR WITH HIGH ELASTICITY}

The present invention relates to a shoe article, and more particularly to a lightweight shoe article having a high elasticity that can improve the shock absorption and rebound elastic properties, and contribute to weight reduction.

In general, shoes have been developed to be worn to protect their feet, but as their quality of life has increased recently, the perception of shoes has also changed a lot.

Especially, unlike the previous exercise that used a pair of athletic shoes, recently, functional shoes that are customized for various purposes such as walking, running, climbing, soccer, tennis, Is being developed.

In general, the shoe consists largely of an upper part that protects the foot and joint region, and a sole part that protects the sole. Since the sole portion can transmit the impact to the body when walking and running and the sole portion is heavy, the user can feel fatigue easily, so that the sole portion can absorb and absorb the shock and is provided with a light structure Should be able to.

Accordingly, in recent years, there have been various studies on the sole that can contribute to the weight reduction, minimizing the impact transmitted to the body during walking and traveling, improving the energy efficiency of the body during walking, Development is urgently required.

The present invention provides a lightweight shoe article having a high elasticity that can minimize the impact transmitted to the body during walking and driving.

In addition, the present invention provides a lightweight shoe article having a high elasticity that can vary the shock absorption performance and rebound elastic properties according to the pressure distribution along the width direction of the shoe.

In addition, the present invention can provide a lightweight shoe article having a high elasticity that can evenly distribute the user's weight, improve shock absorption and dispersion characteristics, and improve the rebound elastic properties.

In addition, the present invention can contribute to light weight, and provides a lightweight shoe article having a high elasticity that can simplify the structure and manufacturing process.

In addition, the present invention can provide an excellent fit, and provides a lightweight shoe article having a high elasticity that can minimize the fatigue of the foot by improving the body energy efficiency even when worn for a long time.

According to a preferred embodiment of the present invention for achieving the above object of the present invention, a lightweight shoe article having a high elasticity is formed of a midsole, and a high elastic material having a relatively high elasticity than the midsole and is provided at the bottom of the midsole And a reinforcing member, the reinforcing member having an opening formed at a lower portion thereof, a bending portion fixed to the bottom of the midsole, and integrally bent at both ends of the bending portion to provide an elastic bottom surface spaced from the bottom of the midsole. And a support.

A plurality of reinforcing members may be provided to be spaced apart at predetermined intervals along the longitudinal direction of the midsole. For example, the reinforcing member may be configured to include a plurality of front reinforcing members provided on the bottom surface of the front portion of the midsole, and only one rear reinforcing member provided on the bottom surface of the rear portion of the midsole, the rear reinforcing member is a front reinforcing member It can be formed to have a relatively larger size. In some cases, a plurality of rear reinforcement members may be provided, and the present invention is not limited or limited by the number of the front and rear reinforcement members and the spacing interval.

The arrangement of the supports may vary in accordance with the requirements and design specifications. For example, the support part may be bent in an inward direction of the bent part and disposed to form a substantially semi-circular shape together with the bent part. As another example, the support part may be bent in an outward direction of the bent part so as to form an approximately omega (Ω) shape with the bent part. In some cases, it is also possible to configure the end portion of the bent portion to be connected to the intermediate portion of the support portion, in which case the support portion may be disposed simultaneously in the inner region and the outer region of the bent portion.

Also, a plurality of reinforcing members may be provided to be spaced apart along the width direction of the midsole, and the plurality of reinforcing members may independently act (elastic deformation) in response to load changes along the width direction of the midsole. For example, only a specific reinforcement member among a plurality of reinforcement members may act independently in response to a load change along the width direction of the midsole, and the degree of action of each reinforcement member may also be different depending on the load size applied to each reinforcement member. have. In addition, the plurality of reinforcing members spaced apart along the width direction of the midsole may be configured to have different strengths corresponding to the pressure trajectory acting on the midsole, and in some cases, the plurality of reinforcing members have the same strength. It is also possible to configure.

The bottom of the reinforcing member may be provided with an outsole, the outsole may be provided in a variety of ways depending on the requirements and design specifications. For example, the outsole may be provided to connect the bottoms of the bent supports respectively to both ends of the bent portion, and the outsole may include a margin disposed in a bent state between the supports to which the outsole is connected. As another example, the outsole may be provided to connect the bottoms of the adjacent support portions of the reinforcing members disposed adjacent to each other, and the outsole may include a clearance arranged in a bent state between the adjacent support portions to which the outsole is connected. have.

According to the high-elasticity lightweight shoe article according to the present invention, while improving the shock absorption and dispersion characteristics that can minimize the impact transmitted to the body during walking and driving, while improving the resilient elastic properties to help energy for the next operation Can contribute to the weight reduction.

In particular, according to the present invention by allowing the midsole to be supported by a resilient member of a high elastic material including a bent portion and a support portion, it is possible to effectively absorb and disperse the impact generated during walking and driving. That is, according to the present invention, when the impact occurs, the reinforcing member is elastically deformed, and the impact force can be dispersed and absorbed through the reinforcing member. In addition, since the reinforcing member can be elastically restored, it is possible to maximize the resilient elastic properties that can help the energy for the next operation. In other words, the propulsive force (rebound resilience) can be improved when the vehicle is taken off and off. Therefore, according to the present invention, it is possible to provide an excellent fit, to ensure a more comfortable walking and running, as well as to improve the body energy efficiency even during long-term wearing can minimize the fatigue of the foot.

In addition, according to the present invention, the midsole can be supported by the reinforcing member, and because the space between the midsole and the outsole can be provided in almost empty space, the overall structure and manufacturing process can be simplified, and excellent shock absorption performance is guaranteed. At the same time, shoes can be made lighter.

In addition, according to the present invention, since a plurality of reinforcing members are spaced apart along the width direction of the midsole and can act independently of each other, even if a load change occurs along the width direction of the midsole, shock can be more effectively absorbed and dispersed. , Ergonomic walking.

1 is a view for explaining the structure of a lightweight shoe article having high elasticity according to the present invention.
Figure 2 is a bottom view showing a lightweight shoe article having high elasticity according to the present invention.
Figure 3 is a side view showing a lightweight shoe article having high elasticity according to the present invention.
Figure 4 is a lightweight elastic article having a high elasticity according to the present invention, a view for explaining the operating state of the reinforcing member according to the pressure trajectory.
5 and 6 are views showing a lightweight shoe article having high elasticity according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments. For reference, the same numbers in this description refer to substantially the same elements and can be described with reference to the contents described in the other drawings under the above-mentioned rules, and the contents which are judged to be obvious to the person skilled in the art or repeated can be omitted.

1 is a view for explaining the structure of a lightweight shoe article having a high elasticity according to the present invention, Figure 2 is a bottom view showing a lightweight shoe article having a high elasticity according to the present invention, Figure 3 is a high elasticity according to the present invention Side view showing a lightweight shoe article having. In addition, Figure 4 is a high-elastic lightweight shoe article according to the present invention, a view for explaining the operating state of the reinforcing member according to the pressure trajectory.

As shown in these drawings, the lightweight shoe article having high elasticity according to the present invention includes a midsole 100 and a reinforcing member 200.

The midsole 100 may be formed by conventional foam molding using conventional rubber and synthetic resin. For example, the midsole 100 may be formed of expandable ethylene vinyl acetate (PHYLON), and the present invention is not limited or limited by the shape and structure of the midsole 100. In some cases, the midsole may be formed of an unfoamed body or other materials.

The reinforcing member 200 is formed of a high elastic material having a relatively high elasticity than the midsole 100 is provided on the lower portion of the midsole 100 to be elastically supported in a state in which the midsole 100 is spaced from the ground. To be able. Specifically, the reinforcing member 200 is a bent portion 210 is fixed to the bottom surface of the midsole 100, and the first support portion 221 and the second support portion (bending integrally to both ends of the bent portion 210) 222).

The bending portion 210 (bending portion) is formed in an arc shape to be bent at a predetermined curvature so as to have an opening in the lower portion, the upper end of the bending portion 210 is fixed in close contact with the bottom surface of the midsole 100 is midsole The bottom of 100 may be partially supported. Curvature of the bent portion 210 may be appropriately changed according to the required conditions and designs.

In addition, the bottom surface of the midsole 100 may be formed with a receiving portion 110 for receiving a portion of the upper end of the bent portion 210, the bent portion 210 of the reinforcing member 200 is the receiving portion 110 It can be tightly fixed inside.

The first support part 221 may be integrally bent at one end of the bent part 210 to provide an elastic bottom surface spaced apart from the bottom of the midsole 100, and the second support part 222 may be the bent part 210. The other end of the bent may be integrally provided with an elastic bottom surface spaced apart from the bottom of the midsole (100). Here, providing the elastic bottom surface spaced apart from the bottom surface of the midsole 100, the first support portion 221 and the second support portion 222 provides a bottom surface for contacting the ground, the first support portion ( The bottom surface provided by the 221 and the second support 222 is disposed to be spaced apart from the bottom of the midsole 100 so that the midsole 100 is grounded by the first support 221 and the second support 222. It can be elastically supported in a spaced apart state. For example, the first support part 221 and the second support part 222 may be bent in the inward direction of the bent part 210. That is, the first support part 221 and the second support part 222 are bent in the inward direction of the bent part 210 at both ends of the bent part 210 to form an approximately semi-circular shape together with the bent part 210. Can be arranged.

The reinforcing member 200 may be provided in plural to be spaced apart at a predetermined interval along the longitudinal direction of the midsole 100, below the reinforcing member 200 is provided on the bottom surface of the front portion of the midsole 100 For example, a plurality of front reinforcing members 202 and only one rear reinforcing member 204 provided on the bottom surface of the rear portion of the midsole 100 will be described. In addition, the rear reinforcement member 204 may be formed to have a relatively larger size than the front reinforcement member 202 because a relatively large load acts on the rear portion of the midsole 100.

In addition, the plurality of front reinforcing members 202 may be formed to have a gradually larger size from the front side to the rear side. In some cases, the plurality of front reinforcing members may be formed to have the same size.

The front reinforcement member 202 and the rear reinforcement member 204 may be arranged in various structures according to the required conditions and design specifications. For example, at least some of the front reinforcement member 202 and the rear reinforcement member 204 may be disposed nonlinearly in correspondence to the direction of the pressure trajectory acting on the midsole 100 during walking. Here, the front reinforcement member 202 and the rear reinforcement member 204 are arranged non-linearly, the front reinforcement member 202 and the rear reinforcement member 204 is not arranged on the same line at least a portion of each other intersecting with each other It can be understood to be arranged along a direction. In some cases, the front reinforcement member and the rear reinforcement member may be arranged in a straight line.

In the above-described and illustrated embodiments of the present invention, a single rear reinforcement member 204 is provided as an example. However, in some cases, a plurality of rear reinforcement members may be provided. The present invention is not limited or limited by the number and separation interval.

As described above, since the first support part 221 and the second support part 222 may be disposed to be spaced apart from the bottom surface of the midsole 100, each of the reinforcing members 200 has a predetermined buffer such as an air chamber. A space may be provided, and a buffer space may be provided between the reinforcing members 200 adjacent to each other. The buffer space may be provided in the form of a tunnel through which both ends are communicated with the outside, but in some cases, at least one end of the buffer space may be provided in a blocked form. Alternatively, a separate filler may be filled in the buffer space.

The reinforcing member 200 may be provided in plural to be spaced apart along the width direction of the midsole 100, the plurality of reinforcing members 200 act independently in response to the load change along the width direction of the midsole 100. It is possible. For example, four reinforcing members 200 may be provided to be spaced apart along the width direction of the midsole 100. The number and spacing of the reinforcing members 200 in the width direction of the midsole 100 may be appropriately changed according to the required conditions and design specifications.

Referring to FIG. 4, the trajectory of the pressure center acting on the midsole 100 generally moves relatively linearly along the outside of the midline during the passage through the midfoot, starting from the lateral rear of the initial heel. Moves to the inside of the foot with significant pressure concentration on the metatarsal break. That is, the trajectory of the pressure center acting on the midsole 100 may be formed in a substantially "S" shape starting from the heel of the foot and through the metatarsal bone to the side of the big toe (P1 → P2 → P3 → P4 → P5). The plurality of reinforcing members 200 disposed to be spaced apart in the width direction of the midsole 100 in response to the pressure trajectory may function independently of the load change along the width direction of the midsole 100.

As described above, as the trajectory of the center of pressure acting on the midsole 100 when walking is formed from the heel axis toward the big toe side through the metatarsal bone, the walking along the width direction of the midsole 100 is performed. Load changes occur. In the present invention, since the plurality of reinforcing members 200 disposed to be spaced apart along the width direction of the midsole 100 may each independently act (elastic deformation) in response to a load change along the width direction of the midsole 100. In addition, the load generated during walking can be more effectively buffered and ergonomic walking is possible. For example, only a specific reinforcing member 200 of the four reinforcing members 200 can act independently in response to the load change along the width direction of the midsole 100, the load size acting on each reinforcing member 200 Accordingly, the degree of action of each reinforcing member 200 may also appear different.

In addition, the plurality of reinforcing members 200 spaced apart along the width direction of the midsole 100 may be configured to have different strengths in response to pressure trajectories acting on the midsole 100. In some cases, the plurality of reinforcing members may be configured to have the same strength.

An outsole 300 may be provided below the reinforcing member 200. The outsole 300 may be formed of a conventional rubber material capable of minimizing slip, and the present invention is not limited or limited by the material and properties of the outsole 300.

Hereinafter, the outsole 300 will be described with an example in which each of the plurality of reinforcing members 200 is independently disposed on a bottom surface thereof. That is, the outsole 300 may be independently provided to the plurality of reinforcing members 200 so as to connect bottom surfaces of the first support part 221 and the second support part 222 respectively bent at both ends of the bent part 210. The lower opening of each reinforcing member 200 may be blocked by the outsole 300. In more detail, the outsole 300 may be disposed to cover the opening of the bent portion 210, and one side of the upper surface of the outsole 300 may be in close contact with the bottom of the first support portion 221, and the outsole ( The other side of the upper surface of the 300 may be in close contact with the bottom of the second support portion 222.

In addition, the outsole 300 may include a margin portion 310 disposed in a spaced space between the first support portion 221 and the second support portion 222 to which the outsole 300 is connected. 310 may be provided in an approximately arc shape and may be disposed in an unfolded or bent state selectively. The margin portion 310 may be disposed in an approximately center portion of the spaced space between the first support portion 221 and the second support portion 222 to be selectively unfolded or bent, such a structure is a reinforcing member When the elastic deformation of the 200, the flow of the first support portion 221 and the second support portion 222 can be stably ensured, and at the same time excessive flow of the first support portion 221 and the second support portion 222 To prevent it.

On the other hand, Figure 5 and Figure 6 is a view showing a lightweight shoe article having high elasticity according to another embodiment of the present invention. In addition, the same or equivalent portions as those in the above-described configuration are denoted by the same or equivalent reference numerals, and a detailed description thereof will be omitted.

In the above-described embodiment of the present invention, the first support portion and the second support portion are described as examples in which the bent portion is bent inward, but in some cases, the first support portion and the second support portion are configured to bend in the outward direction of the bent portion. You may.

That is, referring to FIGS. 5 and 6, the shoe article according to another embodiment of the present invention is spaced apart from the lower portion of the midsole 100 at predetermined intervals along the longitudinal direction of the midsole 100 and the midsole 100. It includes a plurality of reinforcement member (200 ') provided, the reinforcing member (200') is formed in a substantially arc (arc) shape to have an opening in the lower portion 210 'is fixed to the bottom surface of the midsole (100) ), A first support part 221 'that is integrally bent at one end of the bent part 210' so as to face the outward direction of the bent part 210 'and provides an elastic bottom surface spaced apart from the bottom of the midsole 100. And elastically spaced apart from the bottom of the midsole 100 by being integrally bent at the other end of the bent portion 210 'to face the outward direction of the bent portion 210' and spaced apart from the first support portion 221 '. It may include a second support 222 ′ providing a bottom surface.

The first support 221 ′ and the second support 222 ′ are bent in the outward direction of the bent portion 210 ′ at both ends of the bent portion 210 ′ and are approximately omega together with the bent portion 210 ′. (Ω) may be arranged to form a shape. Preferably, in such a structure, the separation distance (opening size) of both ends of the bent portion 210 'may be formed to be relatively smaller than in the above-described embodiment.

Like the above-described embodiment, the reinforcing member 200 'may be provided in plural to be spaced along the width direction of the midsole 100, and the plurality of reinforcing members 200' may be along the width direction of the midsole 100. It can act independently of load changes.

In addition, an outsole 300 'may be provided below the reinforcing member 200', and the outsole 300 'may be provided to connect the reinforcing members 200' disposed adjacent to each other. . That is, the outsole 300 ′ may be arranged to cover a space between the one reinforcing member adjacent to each other and the other reinforcing member among the plurality of reinforcing members 200 ′. One side of the upper surface may be in close contact with the bottom surface of the second support portion 222 ′ (or the first support portion) of any one of the reinforcing members adjacent to each other, and the other side of the upper surface of the outsole may be the other of the reinforcing members adjacent to each other. It may be in close contact with the bottom surface of the first support portion 221 ′ (or the second support portion) of the reinforcing member. In addition, the lower opening of the reinforcing member 200 'may be kept open without being blocked by the outsole 300'.

The outsole 300 ′ may include a margin portion 310 ′ disposed in a space between the one reinforcement member adjacent to each other and the other reinforcement member among the plurality of reinforcement members 200 ′. The portion 310 ′ may be provided in an arc shape and may be disposed to be selectively expanded or bent. In some cases, even in a structure in which the first support portion and the second support portion are bent in the outward direction of the bent portion, the outsole may be configured to be independently provided to each reinforcing member as in the above-described embodiment.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. It will be understood that the present invention can be changed.

100: midsole 200: reinforcing member
210: bend 221,222: support
300: Outsole

Claims (11)

Midsole; And
It is formed of a highly elastic material having a relatively higher elasticity than the midsole, is formed in an arc shape to have an opening in the lower portion (bending portion) fixed to the bottom surface of the midsole, integrally bent at one end of the bent portion And a first support portion providing an elastic bottom surface spaced apart from the bottom surface of the midsole, and bent integrally at the other end of the bent portion to be spaced apart from the first support portion to provide an elastic bottom surface spaced from the bottom surface of the midsole. A plurality of reinforcement parts including a second support part provided below the midsole to be spaced apart along the width direction of the midsole so as to be able to act independently in response to a load change along the width direction of the midsole; Member;
The reinforcing member is provided on the bottom surface of the front portion of the midsole and is provided on the bottom surface of the rear portion of the midsole so as to have a relatively larger size than the front reinforcement member and the front reinforcement member to support the bottom of the midfoot and forefoot portion of the body And a rear reinforcement member supporting a heel bottom of the at least one, wherein at least some of the front reinforcement member and the rear reinforcement member are disposed nonlinearly in correspondence to a direction of pressure trajectory acting on the midsole. Lightweight footwear article with high elasticity to say. The method of claim 1,
The first shoe and the second support is lightweight shoes article having a high elasticity, characterized in that the bent in the inward direction. The method of claim 1,
The first shoe and the second support is lightweight shoes article having a high elasticity, characterized in that the bent in the outward direction. delete The method of claim 1,
Lightweight article having a high elasticity, characterized in that the plurality of reinforcing members are provided spaced apart along the width direction of the midsole is provided to have the same or different strengths. delete 3. The method of claim 2,
Further comprising an outsole provided in the lower portion of the reinforcing member,
The outsole is disposed to cover the opening, one side of the top surface of the outsole is in close contact with the bottom surface of the first support portion, the other side of the top surface of the outsole is in close contact with the bottom surface of the second support portion Lightweight shoes. The method of claim 7, wherein
The outsole includes a margin disposed in the spaced space between the first support and the second support,
The spare part is provided in an arc shape (arc) is a lightweight shoe article having a high elasticity, characterized in that it can be arranged in a selectively expanded or bent state. The method of claim 3,
The reinforcing member is provided with a plurality of spaced apart along the longitudinal direction of the midsole,
Further comprising an outsole provided in the lower portion of the reinforcing member,
The outsole is disposed to cover a space between the one reinforcing member and the other reinforcing member adjacent to each other of the plurality of reinforcing members are spaced apart along the longitudinal direction of the midsole, one side of the top surface of the outsole High elasticity, characterized in that the close contact with the bottom surface of the first support portion or the second support portion of any one of the reinforcing member, the other side of the upper surface of the outsole is in close contact with the bottom surface of the second support portion or the first support portion of the other reinforcing member Lightweight footwear article having. 10. The method of claim 9,
The outsole includes a margin disposed in the spaced space between any one of the reinforcing member and the other reinforcing member adjacent to each other of the plurality of reinforcing members disposed spaced apart along the longitudinal direction of the midsole,
The spare part is provided in an arc shape (arc) is a lightweight shoe article having a high elasticity, characterized in that it can be arranged in a selectively expanded or bent state. The method of claim 1,
Lightweight article having a high elasticity, characterized in that the bottom surface of the midsole is provided with a receiving portion for receiving a portion of the bent portion of the reinforcing member.

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