KR20180088141A - Roller board - Google Patents

Abstract

The present invention relates to a roller board allowing a user to easily take balance to provide a lower riding difficulty and excellent stability. According to the present invention, the roller board comprises: a footplate formed in a flat plate shape to allow a user to put any one of both feet thereon; a first inclined part formed at the front end of the footplate with a first angle with respect to the upper surface of the footplate; a second inclined part formed at the rear end of the first inclined part with a second angle with respect to the upper surface of the footplate; a first wheel part axially fixed on one side of an inclined surface of the first inclined part to be able to axially rotate; a second wheel part axially fixed on the other side of the inclined surface of the first inclined part to be able to axially rotate and symmetrically formed with the first wheel part with respect to the central line of the footplate; a third wheel part axially fixed on the one side of the inclined surface of the second inclined part; and a fourth wheel part axially fixed on the other side of the inclined surface of the second inclined part to be able to axially rotate and symmetrically formed with the third wheel part with respect to the central line of the footplate.

Description

Roller board {Roller board}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a roller board, and more particularly, to a roller board having a low degree of difficulty of boarding and excellent stability because a user can easily hold a balance.

So-called extreme sports are rapidly gaining popularity as an alternative, interesting, amusing and healthful alternative to conventional exercise and entertainment. For example, roller-board games are held regularly around the world, and the popularity of this sport is spreading to mass media such as video games and movies. Currently, pro skateboarders are known enough to guarantee the sale or promotion of various goods.

Generally, the roller board is a flat surface that can be used for a variety of challenges in downhill racing, half-pipe, ramp, or small spaces. It has progressed to a specially constructed skating rink.

As these challenges evolve gradually, the technology of the roller board product has developed together. In order to allow the user to enjoy the extreme sports freely in a variety of environments, the two feet are separated so that the user can freely use the two rollers The product has already been released.

However, such a conventional roller board is composed of a pair of roller boards separated from each other so that the user can freely use the two feet, so that the user can freely enjoy the extreme sports in an environment with many obstacles other than the wrapped surface , There is a problem that the center of the roller board is caught or the direction is difficult to be changed as the two feet are separated, resulting in a high difficulty of boarding.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems and it is an object of the present invention to provide a roller board which can easily balance a user and can easily use technology such as a direction change, The purpose is to provide. However, these problems are exemplary and do not limit the scope of the present invention.

According to one aspect of the present invention, a roller board is provided. Wherein the roller board is formed in a flat plate shape so that one foot of the user's feet can be raised; A first inclined portion formed at a front end of the foot plate so as to be inclined at a first angle with respect to an upper face of the foot plate; A second inclined portion formed at a rear of the first inclined portion and inclined at a second angle with respect to an upper surface of the footrest; A first wheel unit that is fixed on one side of an inclined surface of the first inclined portion and installed to be rotatable about an axis; A second wheel part which is axially fixed on the other side of an inclined surface of the first inclined part and which is symmetrically formed with respect to the center line of the footrest; A third wheel part which is fixed on one side of an inclined surface of the second inclined part so as to be axially rotatable; And a fourth wheel part which is axially fixed on the other side of the inclined surface of the second inclined part and which is symmetrically formed with respect to the center line of the foot plate.

A first link portion connecting the first wheel portion and the second wheel portion to the first wheel portion and the second wheel portion so that the rotation of the first wheel portion and the second wheel portion can be synchronized; And a second link portion connecting the third wheel portion and the fourth wheel portion to synchronize the rotation of the axes of the third wheel portion and the fourth wheel portion.

In the roller board, the first wheel portion may include a first roller arm fixed to an inclined surface of the first inclined portion so as to be rotatable about an axis and inclined at the first angle; And a first roller that is rotatably mounted on one side of the first roller arm and rotates with friction with the ground.

In the roller board, the rotation axis of the first roller arm and the rotation axis of the first roller may be spaced apart from each other by a predetermined distance in the direction of the slope of the first inclined portion.

In the roller board, the first wheel part may further include a bearing part formed between the slope of the first inclined part and the first roller arm so that the first roller arm can rotate smoothly.

In the roller board, the foot plate may include a friction pad formed on an upper surface of the foot plate so as not to slide on the foot plate when the user's foot is seated.

In the roller board, the first angle of the first inclined portion and the second angle of the second inclined portion may be the same.

The roller board may further include a connection portion that is rotatably installed at a rear end or a front end of the footrest so as to connect the footrest to another footrest.

According to one aspect of the present invention, a roller board is provided. Wherein the roller board is formed in a flat plate shape so that one foot of the user's feet can be raised; A first inclined portion formed at a front end of the foot plate so as to be inclined at a first angle with respect to an upper face of the foot plate; A first wheel unit that is fixed on one side of an inclined surface of the first inclined portion and installed to be rotatable about an axis; A second wheel part which is axially fixed on the other side of an inclined surface of the first inclined part and which is symmetrically formed with respect to the center line of the footrest; A first link part connecting the first wheel part and the second wheel part to synchronize the rotation of the first wheel part and the second wheel part; And a wheel fixing part formed at the rear of the first inclined part and fixedly supporting the third wheel part and the fourth wheel part in one direction in a direction perpendicular to the upper surface of the foot plate.

According to the embodiment of the present invention as described above, the user can easily balance the balance, thereby facilitating the use of the technique such as the direction change, thereby lowering the difficulty of boarding.

In addition, the amount of rotation of the wheel portions provided at the front and rear of the roller board can be synchronized by the link portion to further enhance stability during high-speed traveling, thereby enabling a user to easily ride and realize a roller board with high stability. Of course, the scope of the present invention is not limited by these effects.

1 is a top perspective view of a roller board according to an embodiment of the present invention.
2 is a bottom perspective view showing the roller board of FIG.
Figs. 3 to 5 are sectional views showing the roller board of Fig. 1. Fig.
6 is a cross-sectional view illustrating a state in which a pair of roller boards according to an embodiment of the present invention is mounted on a user.
FIGS. 7 and 8 are cross-sectional views illustrating a pair of roller boards connected to each other according to an embodiment of the present invention.
9 and 10 are sectional views showing a roller board according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention are described in order to more fully explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, It is not limited to the embodiment. Rather, these embodiments are provided so that this disclosure will be more thorough and complete, and will fully convey the concept of the invention to those skilled in the art. In the drawings, the thickness and size of each layer are exaggerated for convenience and clarity of explanation.

It is to be understood that throughout the specification, when an element such as a film, region or substrate is referred to as being "on", "connected to", "laminated" or "coupled to" another element, It will be appreciated that elements may be directly "on", "connected", "laminated" or "coupled" to another element, or there may be other elements intervening therebetween. On the other hand, when one element is referred to as being "directly on", "directly connected", or "directly coupled" to another element, it is interpreted that there are no other components intervening therebetween do. Like numbers refer to like elements. As used herein, the term "and / or" includes any and all combinations of one or more of the listed items.

Hereinafter, embodiments of the present invention will be described with reference to the drawings schematically showing ideal embodiments of the present invention. In the figures, for example, variations in the shape shown may be expected, depending on manufacturing techniques and / or tolerances. Accordingly, the embodiments of the present invention should not be construed as limited to the particular shapes of the regions shown herein, but should include, for example, changes in shape resulting from manufacturing.

1 is a top perspective view showing a roller board 100 according to an embodiment of the present invention. 2 is a bottom perspective view showing the roller board 100 of FIG. 1, FIGS. 3 to 5 are sectional views showing the roller board 100 of FIG. 1, and FIG. 6 is a cross- Sectional view showing a state in which a pair of roller boards 100 are loaded by a user.

1, a roller board 100 according to an embodiment of the present invention includes a foot plate 10, a first inclined portion 20, a second inclined portion 30, And may include a first wheel portion 40, a second wheel portion 50, a third wheel portion 60, and a fourth wheel portion 70.

As shown in FIG. 1, the foot plate 10 is formed in a flat plate shape so that one foot of the user's feet can be raised. More specifically, the footrest 10 may be a structure having adequate strength and durability to allow the user to support the weight of the user upon boarding. For example, the footrest 10 may be a structure selected from a material selected from the group consisting of steel, stainless steel, aluminum, magnesium, zinc, synthetic resin, and wood. However, the footrest 10 is not necessarily limited to Fig. 1, and members of extremely various materials capable of supporting the weight of the user can be applied.

The footrest 10 may also include a friction pad 11 formed on the top surface of the footrest 10 so as not to slip on the footrest 10 when the user's foot is seated. For example, the friction pad 11 may be bonded to the upper surface of the foot plate 10 with an adhesive formed on the lower surface thereof, or may be bonded to the upper surface of the foot plate 10 by physical coupling such as bolt connection.

The friction pad 11 is a surface whose upper surface has a surface roughness of a certain level or more and is in contact with the user's foot f to prevent the user's foot f from sliding on the foot plate 10 by friction . In addition, the footrest 10 further includes a strap (not shown) coupled to both sides of the footrest 10 and formed in the shape of a string that surrounds a part of the user's foot f, It may be more firmly fixed to the base 10.

2 and 3, the first inclined portion 20 is inclined at a first angle A1 with respect to the upper surface of the foot plate 10 at the front end of the foot plate 10, The second inclined portion 30 is formed at the rear of the first inclined portion 20 and can be inclined at the second angle A2 with respect to the upper surface of the foot plate 10. [

For example, the first inclined portion 20 and the second inclined portion 30 are integrally formed of the same material as the footrest 10, and the first wheel portion 40 and the second wheel portion 40 are formed on the inclined surface of the first inclined portion 20, The second wheel portion 50 is attached and the third wheel portion 60 and the fourth wheel portion 70 are attached to the inclined surface of the second inclined portion 30. [

The first wheel portion 40, the second wheel portion 50, the third wheel portion 60, and the fourth wheel portion 70 may be formed of a first inclined portion 70 inclined at a first angle A1, Is inclined with respect to the upper surface of the foot plate 10 at the same angle as that of the second inclined portion 30 inclined at the first angle 20 or the second angle A2 so that the straightness at the time of advancing or retracting the roller board 100 Can be improved. At this time, the first angle A1 of the first inclined portion 20 and the second angle A2 of the second inclined portion 30 may be the same.

For example, the first wheel portion 40 is fixed on one side of the inclined surface of the first inclined portion 20 so as to be rotatable about its axis, and the second wheel portion 50 is provided on the inclined surface of the first inclined portion 20 And may be formed symmetrically with the first wheel portion 40 with respect to the center line of the foot plate 10. [

In addition, the first wheel portion 40 and the second wheel portion 50 may be provided in pairs on the inclined surfaces of the first inclined portions 20. [ The first link part L1 is connected to the first wheel part 40 and the second wheel part 50 so that the rotation of the first wheel part 40 and the second wheel part 50 can be synchronized with each other. You can connect.

The first wheel portion 40 and the second wheel portion 50 can be made equal in amount by the first link portion L1 so that when the roller board 100 is moved forward or backward, Even if vibration occurs due to a minor collision with the rough surface of the wheel portion 40 or the second wheel portion 50, the vibration is caught by the first link portion L1, Effect. Therefore, the driving stability of the roller board 100 can be further enhanced by preventing the first wheel portion 40 or the second wheel portion 50 from shaking due to minor collision with the rough surface.

The third wheel portion 60 is axially fixed on one side of the inclined surface of the second inclined portion 30. The fourth wheel portion 70 is provided on the second inclined portion 30, And may be formed symmetrically with respect to the third wheel portion 60 with respect to the center line of the foot plate 10. [

In addition, the third wheel portion 60 and the fourth wheel portion 70 may be provided in pairs on the inclined surfaces of the second inclined portions 30. [ The second link portion L2 is connected to the third wheel portion 60 and the fourth wheel portion 70 so that the rotation of the axes of the third wheel portion 60 and the fourth wheel portion 70 can be synchronized. You can connect.

Accordingly, since the second wheel link portion L2 can equalize the total amount of the third wheel portion 60 and the fourth wheel portion 70, the third wheel portion 60 and the fourth wheel portion 70 can be rotated in the forward or backward direction of the roller board 100, Even if vibration occurs due to minor collision with the ground surface of the wheel portion 40 or the fourth wheel portion 50, the vibration is caught by the second link portion L2, Effect. Therefore, not only the first wheel portion 40 or the second wheel portion 50 but also the third wheel portion 60 or the fourth wheel portion 70 can be prevented from being shaken by minor collisions with the rough surface The running stability of the roller board 100 can be further enhanced.

3, the first wheel portion 40 is rotatably mounted on an inclined surface of the first inclined portion 20 so as to be rotatable about its axis and is inclined at a first angle A1, And a first roller 42 that is rotatably mounted on one side of the roller arm 41 and the first roller arm 41 and rotates with friction with the ground. At this time, the rotation axis of the first roller arm 41 and the rotation axis of the first roller 42 may be formed to be spaced apart from each other by a predetermined distance D in the direction of the inclined surface of the first inclined portion 20.

Accordingly, since the rotation axis of the first roller arm 41 and the rotation axis of the first roller 42 are formed to be spaced apart from each other by a predetermined distance D, when the user twists the foot f from the foot plate 10 to the left and right, As a result, the first roller arm 41 also rotates to the left and right. As a result, the first roller 42 provided on the first roller arm 41 also swings from side to side, and forward rotation is generated.

At this time, the first wheel portion 40 has a bearing portion (not shown) formed between the inclined surface of the first inclined portion 20 and the first roller arm 41 so that the first roller arm 41 can rotate smoothly B). For example, an axial load bearing such as a thrust ball bearing may be applied to the bearing portion B so that the bearing portion B can smoothly rotate while supporting a load corresponding to the weight of the user transmitted through the foot plate 10. [

5, the second wheel portion 50 includes the second roller arm 51 and the second roller 52, and the second roller portion 51 includes the first roller portion 51 and the second roller portion 52, The third wheel portion 60 includes a third roller arm 61 and a third roller 62 and the fourth wheel portion 70 includes a fourth roller arm 71 and a fourth roller 72 .

The second wheel portion 50, the third wheel portion 60 and the fourth wheel portion 70 may be formed in the same manner as the first and second wheel portions 50 and 50 according to the embodiment of the present invention shown in FIGS. The constitution and the role of the constituent elements of the apparatus 10 may be the same. Therefore, detailed description is omitted.

6, the roller board 100 according to an embodiment of the present invention includes four wheel portions 40, 50, 60, and 70 on the slopes 20 and 30 of the foot plate 10, ) Is inclined so as to have straightness, so that the user can easily hold the balance, and accordingly, the technique such as the direction switching is easy to use, so that the difficulty of boarding can be lowered. The rotation amounts of the wheel portions 40, 50, 60, and 70 provided at the front and rear of the roller board 100 are synchronized by the link portions L1 and L2, It is possible to implement the roller board 100 which can be easily mounted, has high stability, and can be easily learned.

7 and 8 are cross-sectional views showing a state in which a pair of roller boards 100 according to an embodiment of the present invention are connected to a connection portion 80. FIG.

7, the connection unit 80 may be rotatably installed at the rear end of the footrest 10 so as to connect the footrest 10 with another footrest 10. [ More specifically, the connecting portion 80 connects the pair of foot plates 10 so as to be rotatable about the both ends of the connecting portion 80 so as to control the movement of the foot plate 10, ) Can be guided more easily when practicing.

Therefore, in the initial use of the roller board 100, after a pair of foot plates 10 are connected to the connecting portion 80 to practice with a simpler degree of difficulty and a method of adjusting the roller board 100 is learned, The roller board 100 can be mounted on the roller board 100 more reliably by removing the roller board 80, so that it is possible to practice the method of adjusting the roller board 100 more systematically.

9 and 10 are sectional views showing a roller board 200 according to another embodiment of the present invention.

9, the roller board 200 according to another embodiment of the present invention includes a foot plate 10 which is formed in a flat plate shape and on which one of the feet of the user can be raised, A first inclined portion 20 which is inclined at a first angle A1 with respect to the upper surface of the foot plate 10 and a second inclined portion 20 which is axially fixed on one side of the inclined surface of the first inclined portion 20, The first wheel portion 40 is formed on the other side of the inclined surface of the first inclined portion 20 so as to be axially rotatable and symmetrically formed with respect to the first wheel portion 40 on the basis of the center line of the foot plate 10 The first wheel part 40 and the second wheel part 50 are connected to each other so that the rotation of the first wheel part 40 and the second wheel part 50 can be synchronized with each other. The third wheel portion 60 and the fourth wheel portion 70 are formed in the rear of the first link portion L1 and the first inclined portion 20 and are perpendicular to the upper surface of the foot plate 10. [ To one side And may include a wheel fixing portion 90 that holds the wheel fixing portion 90 fixedly.

Here, the first inclined portion 20, the first wheel portion 40, the second wheel portion 50, and the first link portion L1 are formed in the same manner as in the first embodiment of the present invention shown in Figs. 1 to 6 The structure and function of the roller board 100 may be the same as those of the roller board 100 according to the first embodiment. Therefore, detailed description is omitted.

More specifically, the third wheel portion 60 and the fourth wheel portion 70 can be vertically fixed in one direction with respect to the upper surface of the foot plate 10 by the wheel fixing portion 90. For example, the third wheel portion 60 and the fourth wheel portion 70 may be fixed so that the roller board 200 is aligned in the forward or backward direction and is not rotated.

9 and 10, the roller board 200 according to another embodiment of the present invention includes the first wheel portion 40 and the second wheel portion 40 on the first inclined surface 20 of the foot plate 10, The wheel portion 50 is inclined so as to have straightness so that the user can easily hold the balance and the technique such as turning direction is easy to use so that the difficulty of boarding can be lowered.

In addition, since the rotation amount of the first wheel portion 40 and the second wheel portion 50 installed in front of the roller board 200 is synchronized by the first link portion L1, The roller board 200 can be easily mounted, highly stable, and easy to learn.

The third and the fourth wheel portions 60 and 70 installed at the rear of the roller board 200 are installed in the wheel fixing portion 90 in such a manner that the roller board 200 is fixed in the forward or backward direction Thereby assisting the stable running of the roller board 200.

That is, only the first wheel portion 40 and the second wheel portion 50, which play a major role in stability and direction control during forward and backward movement of the roller board 200, By providing the wheel portion 60 and the fourth wheel portion 70 in a fixed shape, it is possible to manufacture the roller board 200 capable of realizing the above-described effects with a lower cost and a simple structure.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

10: Scaffolding
20: first inclined portion
30: second inclined portion
40: first wheel portion
50: second wheel portion
60: third wheel section
70: fourth wheel portion
80: Connection
90:
B: Bearing
L1: first link portion
L2: second link portion
100, 200: Roller board

Claims (9)

A foot which is formed in a flat plate shape so that one foot of the user's feet can be raised;
A first inclined portion formed at a front end of the foot plate so as to be inclined at a first angle with respect to an upper face of the foot plate;
A second inclined portion formed at a rear of the first inclined portion and inclined at a second angle with respect to an upper surface of the footrest;
A first wheel unit that is fixed on one side of an inclined surface of the first inclined portion and installed to be rotatable about an axis;
A second wheel part which is axially fixed on the other side of an inclined surface of the first inclined part and which is symmetrically formed with respect to the center line of the footrest;
A third wheel part which is fixed on one side of an inclined surface of the second inclined part so as to be axially rotatable; And
A fourth wheel part which is axially fixed on the other side of the inclined surface of the second inclined part and which is axially rotatable and is formed symmetrically with the third wheel part with respect to the center line of the footrest;
The roller board. The method according to claim 1,
A first link part connecting the first wheel part and the second wheel part to synchronize the rotation of the first wheel part and the second wheel part; And
A second link portion connecting the third wheel portion and the fourth wheel portion to synchronize the rotation of the third wheel portion and the fourth wheel portion;
Further comprising a roller board. The method according to claim 1,
The first wheel portion
A first roller arm fixed to an inclined surface of the first inclined portion so as to be axially rotatable and inclined at the first angle; And
A first roller that is rotatably mounted on one side of the first roller arm and rotates with friction with the ground;
The roller board. The method of claim 3,
Wherein a rotation axis of the first roller arm and a rotation axis of the first roller are spaced apart from each other by a predetermined distance in a direction of an inclined surface of the first inclined portion. The method of claim 3,
The first wheel portion
A bearing portion formed between the inclined surface of the first inclined portion and the first roller arm so that the first roller arm can rotate smoothly;
Further comprising a roller board. The method according to claim 1,
The footrest,
A friction pad formed on an upper surface of the foot plate so as not to slide on the foot plate when the user's foot is seated;
The roller board. The method according to claim 1,
Wherein the first angle of the first inclined portion and the second angle of the second inclined portion are the same. The method according to claim 1,
A connecting part axially rotatably installed at a rear end or a front end of the footrest so as to connect the footrest to another footrest;
Further comprising a roller board. A foot which is formed in a flat plate shape so that one foot of the user's feet can be raised;
A first inclined portion formed at a front end of the foot plate so as to be inclined at a first angle with respect to an upper face of the foot plate;
A first wheel unit that is fixed on one side of an inclined surface of the first inclined portion and installed to be rotatable about an axis;
A second wheel part which is axially fixed on the other side of an inclined surface of the first inclined part and which is symmetrically formed with respect to the center line of the footrest;
A first link part connecting the first wheel part and the second wheel part to synchronize the rotation of the first wheel part and the second wheel part; And
A wheel fixing part formed at the rear of the first inclined part and fixedly supporting the third wheel part and the fourth wheel part in one direction in a direction perpendicular to the upper surface of the foot plate;
The roller board.

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