KR100818786B1 - A skateboard - Google Patents

Abstract

According to the present invention, the front and rear plates are divided into each other, and provided with a concave-shaped foot seat so as to put the user's feet; A plurality of directional casters coupled to the bottoms of the front and rear plates and placed in only one direction, including wheels for advancing the front and rear plates; The front plate and the rear plate are connected by one or more elastic members that can bend and twist, and the distance between the footrest and the ground is equal to or longer than the distance between the center of the wheel and the ground, and the distance between the upper surface of the directional caster and the ground. Skateboards are provided that are shorter.

According to the skateboard as described above, the user can enjoy the speed and thrill by mounting the large wheels and at the same time take a stable posture.

Skateboarding

Description

Skateboards {A skateboard}

1 is a side view of a skateboard according to the prior art,

2 is a perspective view of a skateboard according to an embodiment of the present invention;

3 is an exploded perspective view of the leaf spring shown in FIG.

4 is a side view of the skateboard shown in FIG. 2;

5 is a side view of a skateboard according to another embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100, 400: front plate 110, 210, 410, 510: foot rest

120, 220, 420, 430, 520, 530: Directional Casters

200, 500: rear plate

The present invention relates to a skateboard, and more particularly, it is easy to change the direction and can improve the driving force, and relates to a skateboard excellent in riding comfort.

Conventionally, a skateboard as shown in FIG. 1 is disclosed.

1 is a side view of a skateboard according to the prior art.

The skateboard 10 according to the prior art includes a plate 1, a directional caster 2. Skateboard 10 according to the prior art is driving with the user's feet on the upper side of each directional caster (2).

In the case of such a skateboard 10, when the large wheels are mounted, the speed increases, but the sense of stability is greatly reduced.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to provide a skateboard that is equipped with large wheels so that a user can enjoy speed and thrill while taking a stable posture.

Other objects and advantages of the invention will be described below and will be appreciated by the embodiments of the invention. Further objects and advantages of the invention may be realized by the means and combinations indicated in the claims.

Skateboards of the present invention for achieving the above object is divided into each other, the front and rear plates having a concave shape foot seat to put the user's feet; A plurality of directional casters coupled to bottoms of the front and rear plates, respectively, including wheels for advancing the front and rear plates; The front plate and the rear plate is connected by only one or more elastic members capable of bending and twisting, the elastic member includes a leaf spring disposed along the width direction of the front and rear plates.

Here, the distance between the footrest and the ground is equal to or longer than the distance between the center of the wheel and the ground, and preferably shorter than the distance between the upper surface of the directional caster and the ground.

In addition, it is preferable that the directional caster has an angle of 23 ° or more and 33 ° or less with the front or rear plate.

In addition, each of the front and rear plates is attached to the two directional casters on the bottom, it is preferable that the foot rest is provided on the central portion of the two directional casters.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

Hereinafter, referring to Figures 2 to 4, to describe a skateboard according to an embodiment of the present invention.

Figure 2 is a perspective view of a skateboard according to an embodiment of the present invention, Figure 3 is an exploded perspective view of the leaf spring shown in Figure 2, Figure 4 is a side view of the skateboard shown in FIG.

Skateboard according to an embodiment of the present invention includes a front plate 100, the rear plate 200, the first directional caster 120, the second directional caster 220, the leaf spring.

The front plate 100 allows one user's foot to run on the road. The front plate 100 is provided with wood, synthetic resin or light metal. The front plate 100 is provided with a foot seat 110 of the concave shape on one side thereof. Here, the height of the footrest 110 is the same as or higher than the height of the center of the wheel 123, it is preferable to be lower than the height of the front plate 100. That is, the distance between the footrest 110 and the ground is equal to or longer than the distance between the center of the wheel 123 and the ground, rather than the distance between the upper end of the connecting portion 121 of the first directional caster 120 and the ground. It will be short. When the footrest 110 is provided to be out of the above range, the user may not ride the skateboard stably.

The rear plate 200 allows the user to drive with the other foot on the user. The back plate 200 is made of wood, synthetic resin or light metal. The rear plate 200 is provided with a footrest 210 of the concave shape on one side thereof. Here, the height of the footrest 210 is equal to or higher than the height of the center of the wheel 223, it is preferable to be lower than the height of the rear plate 200. That is, the distance between the footrest 210 and the ground is equal to or longer than the distance between the center of the wheel 223 and the ground, rather than the distance between the upper end of the connecting portion 221 of the second directional caster 220 and the ground. It will be short. When the footrest 210 is provided to be out of the above range, the user may not ride the skateboard stably.

The first directional caster 120 is provided on the bottom surface of the front plate (100). The first directional caster 120 includes a connecting portion 121, the rotary arm 122, the wheel 123 to drive the front plate 100. Here, the wheel 123 is rotatable by the rotary arm 122, thereby, the driving direction of the front plate 100 can be changed freely. The first directional caster 120 according to an embodiment of the present invention includes a connection portion 121 to be coupled to the front plate 100 to have a predetermined angle. More preferably, the connecting portion 121 is provided such that the angle θ shown in FIG. 4 is an angle of 23 ° or more and 33 ° or less. As such, the front plate 100 or the rear plate 200 is coupled to the first directional caster 120 or the second directional caster 220 by a connecting portion 121 to have a predetermined angle, so that the driving force of the front plate 100 is increased. It can be improved, and it is possible to change the direction more easily when driving. Here, when the angle θ has an angle of less than 23 ° out of the above-described angle range, the wheel 123 is easily rotated, it takes a small amount of force during propulsion, but it is difficult to control. In addition, when the angle θ exceeds 33 °, since the wheel 123 is not easily rotated, there is a difficulty in the driving force and the direction change.

The second directional caster 220 is provided on the bottom surface of the rear plate 200, and includes a connection portion 221, the rotary arm 222, the wheel 223. Here, since the second directional caster 220 is the same member as the first directional caster 120, repeated description thereof will be omitted.

The leaf spring is an elastic member connecting the front plate 100 and the rear plate 200. The leaf spring includes a plate 310, a coupling part 320, and a pin 330. First, referring to Figure 3, the leaf spring 330 according to an embodiment of the present invention is provided with two plates 310 formed with two holes to match the size of the pin 330. The pins 330 are fitted into the holes of the two plates 310 provided as described above. Then, three plates 310 are fitted to both sides of the pin 330, where the plate 310 fitted to both sides of the pin 330 is formed with a hole larger than the size of the pin 330. . Accordingly, when the leaf spring is connected to the front plate 100 and the rear plate 200, it is possible to smooth the bending operation of the front plate 100 and the rear plate 200 to the left and right. After the plurality of plates 310 are inserted into the pins 330, both ends of the pins 330 are fitted to the coupling portions 320, respectively, and the coupling portions 320 are the front plate 100 or the rear plate ( 200). Here, the protection tube of a flexible material may be provided around the plate 310. Such a leaf spring is a temporary example of the present invention, but is not limited thereto.

In the skateboard according to the embodiment of the present invention, the front plate 100 and the rear plate 200 are connected by a plate spring capable of twisting and bending, so that the front and rear plates 100 and 200 are twisted or bent in opposite directions to each other. It is possible to change the direction when the front plate 100 simply rotates to the left and right when changing the direction when driving, it is quite easy to change direction.

At this time, when the front plate 100 is rotated to one side and the direction is changed in the other direction while the direction is changed, the front plate 100 is elastically restored by the leaf spring, the front plate (by the elastic restoring force) The direction can be switched by rotating 100) in the other direction with relatively little force. In this case, when the front plate 100 is rotated while being inclined upward in the advancing direction, the front plate 100 can be quickly switched with little force. In addition, if the user simply rotates the front plate 100 to the left and right to improve the driving force while driving, in particular, the driving force is improved by only rotating the front plate 100 while twisting.

Hereinafter, a skateboard according to another embodiment of the present invention will be described with reference to FIG. 5.

5 is a side view of a skateboard according to another embodiment of the present invention.

Skateboard according to another embodiment of the present invention is the front plate 400, the rear plate 500, the first directional caster 420, the second directional caster 430, the third directional caster 520, the fourth directional The caster 530 includes a leaf spring.

The front plate 400 according to another embodiment of the present invention has a first directional caster 420 and a second directional caster 430 on its lower surface.

In the skateboard running from right to left shown in FIG. 5, the first directional caster 420 is positioned at the rear of the first directional caster 420 by the load applied to the footrest 410. Done. Accordingly, the driving force of the skateboard is lowered, but the sense of stability may be increased. Skateboard according to another embodiment of the present invention is provided with a second directional caster 430, the second directional caster 430 by the load applied to the footrest 410, the center of gravity of the second It is located in front of the directional caster (430). Accordingly, the second directional caster 430 can increase the driving force of the skateboard.

That is, by providing the first directional caster 420 and the second directional caster 430 on the lower surface of the front plate 400 as described above, it is possible to provide a skateboard with increased stability and running force at the same time.

In addition, the lower surface of the rear plate 500, by providing a third directional caster 520 and the fourth directional caster 530, it is possible to provide a more stable skateboard with improved driving force.

Here, the connecting portions 421, 431, and 521 of the first directional caster 420, the second directional caster 430, the third directional caster 520, and the fourth directional caster 530, respectively. , 531, the rotary arms 422, 432, 522, 532 and the wheels 423, 433, 523, 533 are the connection part 121 of the first directional caster 120, the rotary arm according to an embodiment of the present invention. Since the same member as the 122 and the wheel 123, repeated description thereof will be omitted.

In addition, the plate 610, the coupling portion 620 of the leaf spring of the skateboard according to another embodiment of the present invention, the plate 310, the coupling portion 320 of the leaf spring of the skateboard according to an embodiment of the present invention Since the same member as), repeated description will be omitted.

As mentioned above, although this invention was demonstrated by the limited embodiment and drawing, this invention is not limited by this, The person of ordinary skill in the art to which this invention belongs, Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

As described above, according to the skateboard of the present invention,

First, the user can enjoy the speed and thrill by mounting the large wheels, and at the same time, the user's feet are positioned close to the ground, so that the user can take a stable posture.

Second, to provide a skateboard having a self-propulsion power having a directional caster.

Third, it provides leisure and transportation like bicycles and motorcycles.

Claims (3)

Front and rear plates (100,400) (200,500) are divided into each other, and provided with a concave shape foot rest 110, 210, 410, 510 to put the user's feet; It is coupled to the bottom of the front and rear plates (100,400) (200,500), and includes a connecting portion (121,221,421,431,521,531), a rotary arm (122,222,422,432,522,532), wheels (123,223,423,433,523,533) for advancing the front and rear plates (100,400) (200,500). A plurality of directional casters 120, 220, 420, 430, 520, 530 placed in a line and spaced apart from each other; The front plate 100 and 400 and the rear plate 400 are connected by at least one elastic member capable of bending and twisting, The distance between the footrest 110, 210, 410, 510 and the ground Skateboard, characterized in that equal to or longer than the distance between the center of the wheels (123,223,423,433,523,533) and the ground, and shorter than the distance between the upper end and the ground (121,221,421,431,521,531) of the directional caster (120,220,420,430,520,530). The method of claim 1, The bottom surface of the connecting portion 121, 221, 421, 431, 521, 531 to which the rotary arms 122, 222, 422, 432, 522, 532 are coupled to the directional casters 120, 220, 420, 430, 520, 530 is 23 ° or more and 33 ° or less in angle with the bottom of the front or rear plates 100, 400, 200, 500. . The method of claim 1, Each of the front and rear plates 100, 400, 200, 500 Two directional casters (120, 220, 420, 430, 520, 530) is attached to the bottom surface, the footboard (110, 210, 410, 510) is provided between the two directional casters (120, 220, 420, 430, 520, 530).

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