KR102661655B1 - Sliding and non-sliding shoes - Google Patents

Abstract

The present invention relates to shoes capable of sliding and non-sliding. The shoes capable of sliding and non-sliding according to the present invention include a floor base material disposed on the bottom of the shoe; a plurality of spikes protruding from the floor base material; and a sliding cap that is detachably coupled under the bottom base material to cover at least a portion of the spike, the bottom of which is formed of a sliding member, and the spikes are disposed at positions corresponding to the coxal bone and the metatarsal bone, respectively. do.

Description

Shoes that allow sliding and non-sliding {SLIDING AND NON-SLIDING SHOES}

The present invention relates to a shoe capable of sliding and non-sliding, and more specifically, to a shoe capable of sliding and non-sliding on ice or snow, and by arranging a plurality of spikes along the coxa and metatarsal bones to generate frictional force at the optimal position on the bottom of the shoe. It concerns sliding and non-sliding shoes that enable stable performance of various plays, movements, exercises, and fitness on ice or snow while minimizing the number of spikes.

Many people have long enjoyed games or sports using tools such as skates, skis, snowboards, and sleds on ice or snow. Recently, ski slopes, ice rinks, and sledding slopes have been artificially created and have become a play culture for many people. It is being ranked.

However, in order to enjoy these plays, expensive skate shoes are required for skating, and expensive equipment for skis, snowboards, and sleds are also required, which poses a problem of low accessibility to play.

In addition, skates can be used on ice, while skis, snowboards, and sleds can only be used on snow, so there is a problem that the places where they can be used are limited compared to expensive equipment.

Meanwhile, play on ice or snow mainly uses equipment such as skates, skis, snowboards, and snow sleds that use sliding characteristics, so it is an action to use each equipment to apply the brakes (edge for skates, hillside for snowboards). There were difficulties in having to use separate equipment and movements (stick and edge in the case of skis).

In other words, even with expensive equipment, it was difficult to enjoy the game or related sports activity without being skilled in the separate movements for braking.

In addition, conventional equipment such as skates, skis, and snowboards were very expensive, so the barrier to entry for the general public was high, which limited the expansion of the base. As a result, new content on ice or snow that allows sliding was well developed. There was a problem that could not be overcome.

Republic of Korea Patent No. 10-1966215 Republic of Korea Patent No. 10-0901853

Therefore, the purpose of the present invention is to solve this conventional problem, by arranging a plurality of spikes along the coxa and metatarsal bones to secure friction at the optimal position on the bottom of the shoe, thereby minimizing the number of spikes The goal is to provide sliding and non-sliding shoes that can stably perform various plays, movements, exercises, and fitness on ice or snow.

In addition, the purpose is to provide sliding and non-sliding shoes that allow various types of sliding operations by allowing the user to freely change the coupling position of the sliding cap coupled to the bottom of the shoe.

Additionally, the purpose is to provide sliding and non-sliding shoes in which spikes can be easily replaced.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the description below.

The above object is, according to the present invention, a floor base material disposed on the bottom of the shoe; a plurality of spikes protruding from the floor base material; and a sliding cap that is detachably coupled under the bottom base material to cover at least a portion of the spike, the bottom of which is formed of a sliding member. This is achieved by a shoe capable of sliding and non-sliding.

Here, the spikes are preferably divided into a first spike disposed at a position corresponding to the coxa bone and a second spike respectively disposed at a position corresponding to the metatarsal bone.

In addition, the first spike is preferably disposed at positions corresponding to the 1st, 3rd, and 5th coxa bones.

Additionally, the second spikes are preferably disposed at positions corresponding to the 2nd and 4th metatarsals, respectively.

In addition, a plurality of grooves into which the spikes are inserted are formed on the upper surface of the sliding cap, and are preferably formed to cover at least one of the first spike and the second spike.

In addition, the floor base material includes a first floor material disposed in the forefoot portion of the foot and a second floor material disposed in the heel portion, and the thickness of the second floor material is preferably set to be relatively thick compared to the first floor material.

Additionally, the thickness of the sliding cap is preferably set to correspond to the difference in thickness between the first flooring material and the second flooring material.

In addition, the sliding cap is preferably detachably coupled to the bottom of the floor base material using magnetic force.

Additionally, it is preferable that a groove into which the spike is inserted is formed on the upper surface of the sliding cap.

In addition, it is preferable that the groove and the spike are detachably coupled with magnetic force.

In addition, it is preferable that a plurality of sliding caps are detachably coupled to each other at different positions under the floor base material.

In addition, the sliding member is preferably made of any one of Teflon, PA11 (nylon), TPE (Thermoplastic Elastomer), TPU (Thermoplastic Polyurethane), and acetal.

In addition, the spike includes a lower fixing part fixed to the floor base material and an upper spike part formed with a spike and coupled to the lower fixing part, and the upper spike part is preferably replaceable.

According to the present invention, friction is secured at the optimal position on the bottom of the shoe by arranging a plurality of spikes along the coxa and metatarsal bones, thereby minimizing the number of spikes while performing various plays, movements, exercises, fitness, etc. on ice or snow. Sliding and non-sliding shoes that can stably perform are provided.

In addition, the user can freely change the coupling position of the sliding cap coupled to the bottom of the shoe, thereby providing sliding and non-sliding shoes that enable various types of sliding operations.

Additionally, sliding and non-sliding shoes that allow easy replacement of spikes are provided.

In addition, a sliding and non-sliding shoe is provided in which the sliding cap is magnetically coupled to the bottom of the shoe, allowing the sliding cap to be easily attached and detached.

1 is a perspective view showing the bottom of a shoe capable of sliding and non-sliding according to an embodiment of the present invention;
Figures 2 and 3 are diagrams showing the positional relationship between the foot skeleton and the spikes;
4 is a view showing a state in which the heel portion is lifted;
Figure 5 is a perspective view showing the replacement structure of the spike formed by the lower fixing part and the upper spike part;
Figure 6 is a cross-sectional view showing the spike replacement structure of Figure 2 together with the floor substrate;
7 is a perspective view of a sliding cap according to an embodiment of the present invention;
Figure 8 is a perspective view showing the sliding cap of Figure 7 coupled to the bottom of the shoe;
Figure 9 is a side view of Figure 8;
10 is a perspective view of a sliding cap according to another embodiment of the present invention;
Figures 11 to 14 are diagrams showing the sliding cap of Figure 10 coupled to the bottom of the shoe;
Figure 15 is a diagram showing a state in which a sliding cap is coupled to one shoe among both shoes.

Specific details of the embodiments are included in the detailed description and drawings.

The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and may be implemented in various different forms. The present embodiments are merely provided to ensure that the disclosure of the present invention is complete and to be understood by those skilled in the art in the technical field to which the present invention pertains. It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described with reference to the drawings for explaining shoes capable of sliding and non-sliding according to embodiments of the present invention.

Figure 1 is a perspective view showing the bottom of a shoe capable of sliding and non-sliding according to an embodiment of the present invention, Figures 2 and 3 are diagrams showing the positional relationship between the foot skeleton and spikes, and Figure 4 shows the heel portion. It is a drawing showing a lifted state, Figure 5 is a perspective view showing the replacement structure of the spike formed by the lower fixing part and the upper spike part, Figure 6 is a cross-sectional view showing the spike replacement structure of Figure 2 together with the floor base material, Figure 7 is a perspective view of a sliding cap according to an embodiment of the present invention, Figure 8 is a perspective view showing the sliding cap of Figure 7 coupled to the bottom of the shoe, and Figure 9 shows the sliding cap coupled to the bottom of the shoe. It is a side view shown.

A shoe capable of sliding and non-sliding according to an embodiment of the present invention may be configured to include a bottom base material 110, spikes 120, and a sliding cap 130.

The floor base material 110 is an outsole disposed on the bottom of the shoe, and its materials include PVC, EVA, natural rubber, synthetic rubber, polyurethane, carbon rubber, solid rubber, and gum rubber. ) may be at least one of the following, but is not necessarily limited thereto.

In FIG. 1, the sole base material 110 is formed in a form separated into a forefoot portion 110a and a heel portion 110b, but the sole base material 110 may be formed on the entire bottom of the shoe depending on the shape of the shoe. A plurality of spikes 120 are formed on the floor base material 110 to protrude toward a sliding surface (hereinafter referred to as 'floor surface') similar to an ice sheet, snow sheet, or ice sheet. The spikes 120 enable non-sliding motion due to friction with the floor surface when the shoes are worn. That is, the user can perform a braking action by bringing the bottom of the shoe, where the spikes 120 are exposed, into close contact with the floor during the sliding process.

The spikes 120 are preferably made of stainless steel, which has sufficient durability on ice or snow and is not easily corroded.

As shown in FIGS. 2 and 3, the spikes 120 include a first spike 120a disposed in the coxa bone (B1) region of the sole and a second spike 120b disposed in the metatarsal bone (B2) region of the sole. ).

The first spike (120a) secures friction on the floor at the proximal phalanx (B1) to enable various play, movement, exercise, fitness, etc. on ice or snow, and the second spike ( 120b) secures friction at the metatarsal (B2) portion, that is, the position where the foot arch of the sole begins, allowing the user to maintain the center of gravity of the body stably without slipping on the floor.

In addition, the first spike (120a) is disposed in the middle of the coxa bone (B1) corresponding to the 1st, 3rd, and 5th toes, respectively, and the second spike (120b) is located in the middle of the metatarsal bone (B1) corresponding to the 2nd and 4th toes. Each is placed in the middle part of (B2).

In general, when the heel portion 110b is lifted to move as shown in FIG. 4, the coxa bone (B1) portion of the forefoot portion 110a is in contact with the floor, and the metatarsal bone (B2) portion is spaced from the floor surface. , and when the heel portion 110b is in contact with the floor to stop as shown in FIG. 3, both the coxa bone (B1) and the metatarsal bone (B2) portions of the forefoot portion 110a are in contact with the floor. .

At this time, by setting the number of first spikes (120a) disposed in the coxa bone (B1) portion to be greater than the number of second spikes (120b) disposed in the metatarsal bone (B2) portion, movement requiring high friction in a small area is achieved. Even in operation, the slip phenomenon of the contact surface can be effectively prevented by using the friction force through the first spike 120a.

In addition, by distributing the plurality of spikes 120 on the coxa bone (B1) and metatarsal bone (B2), the user's body weight can be effectively distributed and supported, allowing the user to maintain the body's center of gravity without slipping on the floor. , non-sliding operations can be performed smoothly while minimizing the overall number of spikes 120.

Meanwhile, in this embodiment, the spike 120 is not disposed at the second phalanx (B3) of the sole, that is, the toe portion, so that a toe bending operation can be performed smoothly while wearing shoes.

As shown in the enlarged view of FIG. 1, the spike 120 is formed in a cone shape with a radius that gradually decreases in the protruding direction, but the end is not formed sharply like an awl, but has a predetermined flat or curved surface. It is desirable to form If the end of the spike 120 is sharp like an awl, the spike 120 may cause damage to the floor surface and may reduce the user's wearing comfort. In addition, according to the shape of the spike 120, it is possible to prevent surrounding people or the user from being injured by the sharp end of the spike 120. However, if the end surface is flat and the cross-sectional area is too large, the spike 120 may not be sufficiently embedded in the ice, which may reduce braking power and stability. Therefore, it is desirable to set the diameter of the end surface to 0.5 mm or more and 2.0 mm or less, which is (120) It may vary depending on the number, location, shape, etc.

In addition, if the protrusion length is long, the spikes 120 are embedded too deeply into the floor, making it difficult to perform various movements such as light jumps or continuous steps, and if the protrusion length is too short, they are not sufficiently embedded in the floor and do not provide sufficient friction. There is a risk that the user may lose balance and fall. Therefore, it is preferable that the spike 120 is set to a protruding length of about 2.5 to 5 mm so that it can provide appropriate friction during various operating processes and is not embedded too deeply into the floor. However, the protruding length of the spikes 120 may be appropriately adjusted depending on the number, location, shape, or bottom surface characteristics of the spikes 120.

Additionally, the spike 120 may be configured to be replaceable.

As shown in FIGS. 5 and 6, the lower fixing part 125 is fixed to the floor base material 110, and a thread is formed on the inner surface of the central hole 126. In order for the lower fixing part 125 to be easily fixed to the floor base material 110, the floor base material 110 may be formed in multiple layers according to the shape of the lower fixing part 125, as shown. Alternatively, the floor base material 110 may be formed as a single layer, and an insertion hole with a step may be formed so that the lower fixing part 125 can be inserted depending on the shape of the lower fixing part 125.

In addition, the lower fixing part 125 is preferably configured to have an outer peripheral shape of a convex-convex structure so that it can be firmly fixed within the floor base material 110.

The upper spike portion 121 may be replaceably fixed to the lower fixing portion 125. A protrusion 122 is formed on the lower end of the upper spike portion 121, and a screw thread is formed on the outer peripheral surface of the protrusion 122. Therefore, the protrusion 122 is inserted into the hole 126 of the lower fixing part 125, and the upper spike is attached to the lower fixing part 125 through the thread on the inner surface of the hole 126 and the screw thread on the outer surface of the protruding part 122. Part 121 may be screwed together.

A spike 120 is protruding from the upper surface of the upper spike portion 121. Therefore, in the present invention, the upper spike portion 121 can be detachably coupled to the lower fixing portion 125, so that when the spike 120 is damaged or worn, it can be easily replaced with a new spike 120.

As shown in FIGS. 7 to 9, the sliding cap 130 is detachably coupled to the bottom of the floor base material 110 so as to cover at least a portion of the spike 120, and the bottom facing the floor is a slippery sliding member. As it is formed, a sliding area is formed.

Accordingly, the user can perform a sliding operation using the forefoot portion 110a where the sliding cap 130 is located.

The sliding member formed on the bottom of the sliding cap 130 is preferably made of any one of Teflon, PA11 (nylon), TPE (Thermoplastic Elastomer), TPU (Thermoplastic Polyurethane), and acetal that can easily slide on the bottom surface. It is not limited to this. Teflon, a separate sliding member, may be formed on the bottom of the sliding cap 130, but the entire sliding cap 130 may be formed of Teflon.

A groove 132 corresponding to the shape and arrangement spacing of the spike 120 may be formed on the upper surface of the sliding cap 130 so that the spike 120 protruding from the bottom of the floor base material 110 can be inserted. By forcing the spike 120 into the groove 132, the sliding cap 130 can be detachably coupled to the floor base material 110.

Alternatively, the sliding cap 130 may be detachably coupled to the bottom of the floor base material 110 using magnetic force.

For example, a groove 132 into which the spike 120 is inserted is formed on the upper surface of the sliding cap 130, and the inner wall of the groove 132 may be formed of a magnetic material or metal. Additionally, the spike 120 inserted into the groove 132 may be formed of a magnetic material or metal. Accordingly, the sliding cap 130 can be detachably coupled to the bottom of the floor base material 110 using the magnetic force generated between the inner wall of the groove 132 and the spike 120.

At this time, in order to strengthen the magnetic force, it may be configured to enable magnetic coupling between the upper surface of the sliding cap 130 and the floor base material 110.

Additionally, in this embodiment, the sliding cap 130 may be detachably coupled to the forefoot portion 110a where the first spike 120a and the second spike 120b are arranged, and in this case, the non-sliding area is the sliding area. will change to

Meanwhile, in this embodiment, the sliding cap 130 is described as being detachably coupled under the floor base material 110 by magnetic force. However, in addition to the coupling structure using a magnet, the sliding cap 130 can be attached using various coupling structures. ) may also be configured to be detachably combined.

The sliding cap 130 shown in FIGS. 7 and 8 may be formed to cover the entire bottom front heel portion 110a of the floor base material 110. Accordingly, the user can perform a sliding movement through the forefoot portion 110a to which the sliding cap 130 is coupled.

When the sliding cap 130 is coupled to the spike 120, it is desirable that the height difference between the bottom of the sliding cap 130 and the end of the spike 120 exposed from the floor base material 110 is not too large. If the thickness of the sliding cap 130 is too large and the step is too large, the range of movement of the sole for sliding and non-sliding is too large, making it difficult to control the movement and causing discomfort when moving due to foot detection. am.

In addition, if the thickness of the sliding cap 130 is set to be thicker than necessary, the user may have the feeling of floating on the floor, so the thickness of the sliding cap 130 is within a range that can cover the spike 120. It is desirable to set it as thin as possible. In this embodiment, the thickness of the sliding cap 130 may be set to approximately 5 to 6 mm. When this sliding cap 130 is fixed only to the forefoot portion 110a of the floor base material 110, the support height of the forefoot portion 110a of the shoe user increases by the thickness of the sliding cap 130, thereby increasing the center of gravity of the user's body. Since it moves toward the heel portion 110b, it is difficult to smoothly perform a sliding operation using the sliding cap 130 disposed on the forefoot portion 110a.

Accordingly, in this embodiment, as shown in FIG. 9, the thickness of the heel portion 110b of the floor base material 110 is set to be approximately 5 to 6 mm thicker than the forefoot portion 110a, thereby performing a sliding operation using the sliding cap 130. It is possible to prevent the center of the body from moving to the heel portion (110b).

Meanwhile, in this embodiment, if the thickness of the forefoot portion 110a of the floor base material 110 is too thick, the user feels like he or she is floating on the floor, making it difficult to perform stable movements while maintaining the body's center of gravity. Conversely, if the thickness of the bottom base material 110 is too thin, the bottom of the shoe may feel like it is in stable contact with the floor, but it is difficult to perform continuous motion because the protrusion of the spikes 120 is directly transmitted to the user's foot. difficult. Accordingly, in this embodiment, the thickness of the floor base material 110 was set to about 5 mm, which is a thickness that can provide appropriate adhesion to the floor surface and at the same time appropriately cushion the protrusion of the spikes 120, but is not limited to this. It can be appropriately adjusted depending on the physical properties of the floor base material 110.

Figure 10 is a perspective view of a sliding cap according to another embodiment of the present invention, Figures 11 to 14 are views showing the sliding cap of Figure 10 coupled to the bottom of the shoe, and Figure 15 is one shoe among both shoes. This is a drawing showing the sliding cap attached to .

Figure 10 shows various types of sliding caps 130. The sliding cap 130 shown in (a) of FIG. 10 is formed with three grooves 132 so that all first spikes 120a can be inserted, and the sliding cap 130 shown in (b) of FIG. 10 ) is formed with two grooves 132 so that all of the second spikes 120b can be inserted, and the sliding cap 130 shown in (c) of Figure 10 is located at a position corresponding to the first and third coxa bones. Three grooves 132 are formed so that the first spike 120a and the second spike 120b at a position corresponding to the second metatarsal can be inserted.

That is, the user can enable a sliding operation using the entire area of the forefoot portion 110a by combining the sliding cap 130 with the first spike 120a and the second spike 120b, respectively, as shown in FIG. 11.

In addition, as shown in FIG. 12, when the sliding cap 130 is coupled to the first spike 120a, the coxa bone (B1, see FIG. 2) area is set as a sliding area, and the metatarsal bone (B2, see FIG. 2) area is set as a sliding area. It is set as a non-sliding area.

Conversely, when the sliding cap 130 is coupled to the second spike 120b as shown in FIG. 13, the metatarsal bone (B2, see FIG. 2) area is set as a sliding area, and the coxa bone (B1, see FIG. 2) area is set as a sliding area. It is set as a non-sliding area.

In addition, if the sliding cap 130 is coupled to the position corresponding to the 1st and 3rd coxa bones and the 2nd metatarsal bone as shown in FIG. 14, the sesamoid bone area of the big toe can be set as a sliding area.

Accordingly, the user can perform a sliding operation using the sole area where the sliding cap 130 is located, and can perform a non-sliding (breaking) movement using the sole area where the spikes 120 are exposed.

In this embodiment, a first spike 120a and a second spike 120b are provided on the bottom of the forefoot portion 110a of the shoe to enable non-sliding operation of the forefoot portion 110a, and a sliding cap 130 is provided here. By combining, a sliding operation of the forefoot portion 110a is possible. That is, the sliding area and non-sliding area change depending on whether the sliding cap 130 is coupled or not.

Furthermore, as shown in FIG. 15, the sliding cap 130 is coupled to the heel portion 110b of the right shoe (left shoe in the drawing) to connect the first spike 120a and the second spike (120a) of the forefoot portion 110a. 120b) is exposed, and the spikes 120 can be hidden by combining the sliding cap 130 with the forefoot part 110a and the heel part 110b of the left shoe (right shoe in the drawing). Therefore, the user can perform a non-sliding motion using the right heel portion 110a, and a sliding motion using the right heel portion 110b, the left heel portion 110a, and the heel portion 110b. there is.

That is, according to the present embodiment as described above, a non-sliding area where the spike 120 is exposed and a sliding area where the sliding cap 130 is combined are formed under the floor base material 110, and at least one sliding cap 130 ), the positions of the sliding area and non-sliding area can be changed by changing the combination position.

Meanwhile, for smooth sliding and non-sliding movements, the ankle must have free movement. If the height of the shoe upper (upper) is high and completely covers the ankle, the left and right movements of the ankle, such as side lunges, are not free. Conversely, if the upper (upper) height is low, such as sneakers, it can easily come off or do not sufficiently hold the ankle, causing ankle damage. The risk of injury increases.

Therefore, the height of the upper is located just below the calf bone, like short track and speed skating shoes, to allow smooth left-right movement of the ankle, but is designed to be tightly tightened using shoelaces to hold the ankle as much as possible. It is desirable to do so.

In addition, it is desirable to ensure free movement of the toes like yoga and Pilates by leaving enough space inside the vamp that covers the toes and instep so that the toes can be trained.

The scope of the present invention is not limited to the above-described embodiments, but may be implemented in various forms of embodiments within the scope of the appended claims. It is considered to be within the scope of the claims of the present invention to the extent that anyone skilled in the art can make modifications without departing from the gist of the invention as claimed in the claims.

110: bottom base material, 110a: forefoot part, 110b: heel part,
120: spike, 120a: first spike, 120b: second spike,
121: upper spike portion, 122: protruding portion, 125: lower fixing portion,
126: hole, 130: sliding cap, 132: groove,
B1: coronal bone, B2: metatarsal bone, B3: coronal bone

Claims (13)

A sole base material disposed on the bottom of shoes worn on ice or snow;
a plurality of spikes protruding from the sole base material at positions corresponding to the coxa bone, metatarsal bone, and heel of the forefoot portion; and
A sliding cap is detachably coupled under the floor base material to cover at least some of the plurality of spikes, and the bottom surface includes a sliding cap formed of a sliding member,
A non-sliding area where the spike is exposed and a sliding area where the sliding cap is formed are formed under the floor base material, respectively,
The coupling position of at least one sliding cap may be changed to change the sliding area and the non-sliding area,
Shoes capable of sliding and non-sliding that can perform a sliding or non-sliding movement while either of the non-sliding area and the sliding area is in contact with ice or snow. According to clause 1,
A shoe capable of sliding and non-sliding, wherein the spikes are divided into a first spike disposed at a position corresponding to the coxa bone and a second spike disposed at a position corresponding to the metatarsal bone. According to clause 2,
The first spike is a shoe capable of sliding and non-sliding, where the first spike is disposed at a position corresponding to the 1st, 3rd, and 5th coxa bone. According to clause 3,
A shoe capable of sliding and non-sliding in which the second spike is disposed at positions corresponding to the 2nd and 4th metatarsals, respectively. According to clause 4,
A shoe capable of sliding and non-sliding, wherein a plurality of grooves into which the spikes are inserted are formed on the upper surface of the sliding cap, and are formed to cover at least one of the first spike and the second spike. According to clause 1,
The floor base material includes a first floor material disposed in the forefoot portion of the foot and a second floor material disposed in the heel portion,
Shoes capable of sliding and non-sliding, wherein the thickness of the second flooring material is set to be relatively thick compared to the first flooring material. According to clause 6,
A shoe capable of sliding and non-sliding, wherein the thickness of the sliding cap is set to correspond to the difference in thickness between the first flooring material and the second flooring material. According to clause 1,
A shoe capable of sliding and non-sliding, wherein the sliding cap is detachably coupled under the floor base material using magnetic force. According to clause 1,
A shoe capable of sliding and non-sliding in which a groove into which the spike is inserted is formed on the upper surface of the sliding cap. According to clause 9,
A shoe capable of sliding and non-sliding that is detachably coupled between the groove and the spike with magnetic force. According to clause 1,
A shoe capable of sliding and non-sliding, wherein a plurality of sliding caps are detachably coupled to each other at different positions under the floor base material. According to clause 1,
The sliding member is a shoe capable of sliding and non-sliding, made of any one of Teflon, PA11 (nylon), TPE (Thermoplastic Elastomer), TPU (Thermoplastic Polyurethane), and acetal. According to clause 1,
The spikes include a lower fixing part fixed to the floor base material and an upper spike part formed with a spike and coupled to the lower fixing part, wherein the upper spike part is replaceable and is capable of sliding and non-sliding.

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