KR102558954B1 - Footwear of adjusting amount of cushion and rebounce - Google Patents

Abstract

An article of footwear for adjusting the amount of cushioning and resilience includes an outsole and an upper, and the outsole includes a foam midsole having a concave accommodating groove formed on the bottom, an arch portion in close contact with the accommodating groove, a midsole support structure including horizontal support provided on the left and right sides of the arch and a bottom support formed convex downward corresponding to the arch, and a rebound core positioned between the arch and the bottom support to adjust the repulsion characteristics by the midsole support structure according to displacement.

Description

Shoes product that adjusts the amount of cushion and resilience {FOOTWEAR OF ADJUSTING AMOUNT OF CUSHION AND REBOUNCE}

The present invention relates to a footwear article capable of easily controlling cushioning and rebound properties, and more particularly, to a footwear article capable of easily changing and adjusting the amount of cushioning and rebounding elasticity of a shoe.

Shoes started out as a way to protect feet, but as related technologies have developed, they have provided various purposes and functions. For example, unlike in the past when various exercises were performed with a pair of sneakers, functional shoes specialized for various purposes such as walking, running, mountain climbing, soccer, tennis, baseball, and golf are being developed according to the needs of users.

In general, shoes include an upper part that largely protects the instep and joints, and a sole part that protects the sole, and the outsole part is attached to the midsole and the bottom of the midsole to absorb shock. It includes an outsole for wear resistance and slip prevention. Recently, in some cases, a midsole and an outsole are combined into one material and provided as one without separate separation.

A healthy gait can be a natural progression with landing, neutral and forward movement. However, walking with the heel lifted due to the use of high-heeled shoes or shoe soles affects the walking habits of modern people.

Registered Patent No. 10-1047352 discloses "a shoe sole with enhanced shock absorption and rebound elasticity". The registered patent makes it possible to form a hexagonal buffer space between the two cushion members by zigzag crossing them up and down, improve shock absorption and increase repulsive properties to enable propulsive rolling walking. The shoe sole of the registered patent is preferable in that it provides high resilience characteristics, but there is also a disadvantage that the resilience characteristics cannot be adjusted and cannot be controlled according to circumstances.

Registered Patent No. 10-1194251 discloses "a lightweight shoe sole having a structure that exhibits shock absorption and resilience characteristics." The shoe sole of the registered patent is excellent in that it can form a shoe sole in a light weight while providing the best resilience characteristics, but this also has a disadvantage that the repulsion characteristics cannot be controlled according to circumstances.

Utility Model Registration No. 20-0231333 discloses an elastic outsole using a plurality of rebound tubes. The registered utility model includes the content that resilience characteristics can be adjusted by forming passages penetrating left and right in the high-density sponge sole forming the midsole, and inserting elastic tubes into the passage. Although the repulsive properties can be controlled by the method of the registered utility model, it is inconvenient to use, and it still includes disadvantages that it cannot be controlled according to the necessary situation in that an elastic tube or an air connector must always be possessed.

The present invention provides a shoe article in which a user can easily adjust cushioning and resilience characteristics through simple operation.

The present invention provides a shoe article capable of easily controlling the amount of desired cushioning or resilience characteristics by simply turning or twisting a rebound core.

The present invention provides a shoe article capable of easily controlling cushioning or resilience characteristics by changing the support position or number of rebound cores.

The present invention provides a shoe article capable of providing good rebound characteristics by itself by improving not only a rebound core but also a midsole support structure accommodating the rebound core.

According to an exemplary embodiment of the present invention for achieving the objects described above, an article of footwear for adjusting the amount of cushioning and resilience characteristics includes a sole and an upper, and the outsole includes a foam midsole having a concave receiving groove formed on a bottom surface, an arch in close contact with the receiving groove, a midsole support structure including horizontal support provided on the left and right sides of the arch and a bottom support formed convex downward corresponding to the arch, and a midsole support structure located between the arch and the bottom support according to displacement according to the displacement It includes a rebound core that adjusts the rebound characteristics.

The rebound core is located between the arch part of the midsole support structure and the bottom support part, and the repulsive properties of the midsole support structure can be adjusted through a simple operation.

To adjust the rebound core, the space between the arch portion and the bottom support portion may be opened to the rear, and a portion of the rebound core exposed to the rear may be exposed. The user can adjust the rebound characteristics by directly or indirectly adjusting the rebound core exposed to the rear.

By elastically supporting the horizontal supports on both sides of the arch, the outsole can be elastically formed with respect to the ground. And a plurality of vertical wings extending upward from the ends of both horizontal support portions of the midsole support structure may be formed. These vertical wings support the side of the foam midsole to provide a repulsive force against the left and right torsion of the foam midsole.

The rebound core can adjust the rebound elasticity in various ways.

For example, the rebound core may be formed in a column shape having a D-cut cross section, and the rebound characteristics may be adjusted according to the rotation angle of the rebound core. For example, if the rebound core of the D-cut cross section is oriented horizontally, the midsole support structure cannot provide rebound elasticity. In addition to this, the rebound characteristics can be controlled by finely adjusting the angle of the rebound core.

A cylindrical case for accommodating the rebound core may be further included in the space between the arch portion and the bottom support portion, and may guide the rebound core to easily rotate within the midsole support structure.

In another embodiment, the rebound core may move along the longitudinal direction of the article of footwear in the space between the arch portion and the bottom support portion, and the rebound characteristics may be varied depending on the position supported by the rebound core.

To this end, the rebound core may be provided by connecting a plurality of blocks in a spine shape. The rebound core made of blocks can move back and forth along the space between the arch part and the bottom support part to change the position of the support, and can adjust the resilience characteristic that is intensively supported by the midsole support structure by being fixed at a specific position.

The outsole may include an outsole attached to a bottom surface of the horizontal support, and the outsole is formed in a U-shape to facilitate adjustment of the rebound core exposed to the rear.

In the article of footwear of the present invention, the user can easily adjust the rebound characteristics directly by simply manipulating the partially exposed rebound core. For example, the strength of the cushion and resilience characteristics can be easily controlled by a simple motion of turning or twisting the rebound core at a specific angle.

In addition to this, in the article of footwear of the present invention, the resilience characteristics can be controlled by changing the supporting position of the rebound core or the number of supporting cores.

The article of footwear of the present invention can improve the midsole support structure accommodating the rebound core by forming vertical wings.

1 is a view for explaining an article of footwear according to an embodiment of the present invention.
FIG. 2 is a view for explaining the outsole of the article of footwear shown in FIG. 1 .
FIG. 3 is a view for explaining an exploded structure of the outsole of FIG. 2 .
FIG. 4 is a view for explaining the midsole support structure of the outsole of FIG. 3 .
FIG. 5 is a view for explaining a process of adjusting resilience characteristics using a rebound core in the outsole of FIG. 3 .
6 is a view for explaining the outsole of a shoe article according to an embodiment of the present invention.
FIG. 7 is a view for explaining an exploded structure of the outsole of FIG. 6 .
FIG. 8 is a view for explaining a process of adjusting the rebound characteristics by changing the support position of the rebound core in the outsole of FIG. 7 .

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited or limited by the embodiments. For reference, in the present description, the same numbers refer to substantially the same elements, and under the above rules, contents described in other drawings may be cited and described, and contents determined to be obvious to those skilled in the art or repeated contents may be omitted.

1 is a view for explaining a shoe article according to an embodiment of the present invention, FIG. 2 is a view for explaining the outsole of the shoe article of FIG. 1, FIG. 3 is a view for explaining the decomposition structure of the outsole of FIG. 2, FIG. 4 is a view for explaining the midsole support structure of the outsole of FIG.

1 to 5 , the article of footwear according to this embodiment may include an upper 110 and an outsole 120 supporting a sole. The outsole portion 120 includes a foam midsole 130 and a midsole support structure 140 that supports the bottom of the foam midsole 130 from the rear, and the midsole support structure 140 is foamed on the bottom of the midsole 130. It can support the heel while being partially accommodated in the concave receiving groove 132 formed.

In this embodiment, the upper 110 is provided in the shape of a sneaker, but the article of footwear is not limited thereto and may be formed in various shapes and materials according to its purpose, for example, shoes, slippers, and boots. In some cases, it is also possible that the upper is made of the same material as part or all of the outsole.

The sole part 120 may be provided as a midsole or a combination of a midsole and an outsole, and in some cases may further include other support structures or internal parts for specific functions of the sole part.

3 and 4, the midsole support structure 140 may include an arch portion 142 in close contact with the receiving groove 132, horizontal support portions 144 provided to the left and right of the arch portion 142, and a bottom support portion 146 formed convex downward in correspondence with the arch portion 142. The arch portion 142 and the bottom support portion 146 may form a space for accommodating the rebound core 150 .

The arch portion 142, the horizontal support portion 144, and the bottom support portion 146 may be formed of TPU-based high-elasticity plastic, and may be integrally formed to form an arch-shaped support structure as a whole.

In this embodiment, a plurality of vertical wings 148 are formed at the end of the horizontal support part 144, and the vertical wings 148 support the side surface of the foam midsole 130 to limit the twisting of the outsole part 120.

A space for accommodating the rebound core 150 is exposed to the rear between the arch portion 142 and the bottom support portion 146, and the rotation angle of the rebound core 150 can be adjusted through the adjustment knob 152 of the rebound core 150. The user can directly adjust the rebound core 150 by rotating the control knob 152 exposed to the rear.

The rebound core 150 may be formed in a column shape having a semicircular cross section or a column shape having a D-cut cross section, and may rotate inside the cylindrical case 154 .

As shown in FIG. 5, the rebound characteristics can be adjusted according to the rotational angle of the rebound core 150. As shown in (a), when the rebound core 150 of the D-cut cross section is horizontally oriented, the midsole support structure 140 cannot provide sufficient resilience and relatively soft elasticity because the rebound core 150 does not connect the arch portion 142 and the bottom support portion 146 vertically.

As shown in (b) of FIG. 5 , when the rebound core 150 is vertically oriented, strong rebound characteristics can be formed by supporting the rebound core 150 in vertical contact with the arch portion 142 and the bottom support portion 146 . The midsole support structure 140 can provide strong resilience by providing strong resilience.

Referring to FIG. 3 , the sole part 120 may include a U-shaped outsole 122 attached to the bottom surface of the horizontal support part 144 . The outsole 122 is formed in a U-shape so as not to interfere with the bottom support 146 and can provide controlled resilience.

6 is a view for explaining the outsole of a shoe article according to an embodiment of the present invention, FIG. 7 is a view for explaining the disassembly structure of the outsole of FIG.

6 to 8, the outsole according to the present embodiment includes a foam midsole 130 and a midsole support structure 140'. (148).

The rebound core 160 includes a plurality of blocks 162 connected in a spine shape, and the rebound core 160 enters the space between the arch portion 142 and the bottom support portion 146 and moves back and forth along the space.

8 is a cross section A-A of FIG. 6, the rebound core 160 may advance the support position by moving forward (a), but may also move backward to move the support position backward in some cases (b).

The rebound core 160 can move along the longitudinal direction of the article of footwear in the space between the arch portion 142 and the bottom support portion 146, and can change the rebound characteristics according to the front and rear support positions of the rebound core 160.

As described above, although it has been described with reference to the preferred embodiments of the present invention, those skilled in the art can variously modify and change the present invention without departing from the spirit and scope of the present invention described in the claims below. It will be understood that it can be changed.

100: shoe article 110: upper
120: outsole 130: foam midsole
140: midsole support structure 150,160: rebound core

Claims (9)

In the article of footwear for adjusting the amount of cushioning and resilience including the outsole and the upper,
the outsole,
A foam midsole with a concave receiving groove on the bottom;
a midsole support structure including an arch part in close contact with the receiving groove, horizontal support parts provided to the left and right of the arch part, and a bottom support part convex downward corresponding to the arch part; and
A rebound core positioned between the arch portion and the bottom support portion to adjust repulsive properties by the midsole support structure according to displacement,
The center of the arch supports the upper surface of the receiving groove, and both ends of the arch support the lower surface of the foam midsole together with the horizontal support,
The rebound core is formed in a D-cut cross section, and its resilience characteristics vary according to the rotation angle of the rebound core, and provides soft elasticity when the rebound core is oriented horizontally so as not to connect the arch portion and the bottom support portion vertically, and provides strong elasticity when the rebound core is vertically oriented so as to vertically contact and support the arch portion and the bottom support portion.
According to claim 1,
A shoe article for adjusting the amount of cushion and resilience, characterized in that the space between the arch portion and the bottom support portion is opened backward to expose a part of the rebound core.
According to claim 1,
Further comprising a plurality of vertical wings extending upward from the end of the horizontal support, wherein the vertical wings provide a repulsive force for left and right torsion transmitted through the foam midsole.
delete According to claim 1,
A shoe article for adjusting the amount of cushion and resilience characteristics, further comprising a cylindrical case for accommodating the rebound core in a space between the arch portion and the bottom support portion.
According to claim 1,
The rebound core moves along the longitudinal direction of the footwear article in the space between the arch portion and the bottom support portion, and the cushion and rebound characteristics are varied depending on the support position by the rebound core. A shoe article for adjusting the amount of rebound characteristics.
According to claim 6,
The rebound core is provided by connecting a plurality of blocks in a spine shape, and is movable and fixed back and forth along the space between the arch portion and the bottom support portion.
According to claim 1,
The outsole part includes an outsole attached to a bottom surface of the horizontal support part, a shoe article for adjusting the amount of cushioning and resilience.
According to claim 8,
The outsole is a shoe article for adjusting the amount of cushion and resilience, characterized in that formed in a U-shape.

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