KR100591876B1 - Skateboard - Google Patents

Abstract

The present invention relates to a skateboard, and more particularly, to enjoy a skateboard for leisure purposes, the board; Fixing body is mounted along the longitudinal direction of the at least one board in front and rear sides of the bottom surface of the board; An elastic restoring means coupled to the fixed body and allowing torsion in and out of the horizontal plane of the board by a vertical load from the upper surface of the board; And a directional caster coupled to the elastic restoring means, and relates to a skateboard that allows a beginner to easily run and enjoy regardless of skill.

Skateboard, Elastic Restoration Tool, Torsion Bar, Rotary Shaft, Adjuster, Fixture, Bracket, Directional Caster

Description

Skate board

1 is a perspective view showing the overall configuration of a conventional skateboard

Figure 2 is a perspective view showing the overall configuration of the skateboard according to the present invention

Figure 3 is an exploded perspective view showing the overall configuration of the fixing body, the elastic restoring means and the directional caster which is the main part of the present invention

4 is a perspective view showing a torsion bar which is a main part of the present invention;

5 is a perspective view showing an embodiment of a torsion bar which is a main part of the present invention;

6 is a perspective view showing various embodiments of a skateboard according to the present invention

7 is a conceptual diagram showing an embodiment of the operation of the skateboard according to the present invention

8 is a conceptual diagram showing another operating embodiment of the skateboard according to the present invention.

* Description of the symbols for the main parts of the drawings *

10 ... board 20 ... fixed

22 ... front fixture 24 ... rear fixture

30.Resilience means 32 ... Rotary shaft

34 ... torsion bar 36 ... adjuster

38 Fixtures 40 Directional Casters

The present invention relates to a skateboard, and more particularly, to a skateboard structure that has a directional caster coupled to the elastic restoring means mounted on the bottom surface of the board as a technical gist, so that men and women of all ages can easily enjoy. will be.

Recently, various types of skateboards have been released for the purpose of leisure use, causing a lot of interest.

Among various skateboards devised from the above point of view, there may be mentioned such as 'skateboard with directional casters' of Patent No. 10-0394848.

1 is a perspective view showing the overall configuration of a conventional skateboard.

As shown, the prior art comprises at least one of the directional casters 13, 23, wherein at least one of the front and back boards 10, 20 is attached to the bottom of the plates 11, 21, the connecting element being It is a configuration provided with an elastic body to restore elasticity in torsion or bending.

Here, in order to enable all operations of driving and rotation using each of the front and rear boards 10 and 20 of the prior art, the directional casters 13 and 23 are mounted on the front and rear boards 10 and 20, respectively. Configuration is essential.

However, in the prior art, when the plurality of directional casters 13 and 23 are mounted on each of the front and rear boards 10 and 20, the rotational operation is impossible, so that the beauty of driving is extremely reduced.

Therefore, not only requires a considerable amount of time for the skilled person, but also has a great weakness that the beginners themselves are difficult to easily ride with their feet on the front and back boards 10 and 20 and are difficult to enjoy themselves.

In addition, in the case of the prior art, the connecting element having a torsion pipe 40 and an elastic body (not shown) is easily broken when impacted by a protrusion on the ground, resulting in a high cost of replacing or repairing the connecting element. There are many problems.

The present invention has been made to solve the above problems is to provide a skateboard that can be easily enjoyed running and feat regardless of skill.

It is also an object of the present invention to provide a skateboard that can efficiently generate propulsion force without the need for cumbersome motions.

The present invention for achieving the above object, the board; Fixing body is mounted along the longitudinal direction of the at least one board in front and rear sides of the bottom surface of the board; An elastic restoring means coupled to the fixed body and allowing torsion in and out of the horizontal plane of the board by a vertical load from the upper surface of the board; And a directional caster coupled to the elastic restoring means.

The fixed body includes a front fixing body having a circular coupling hole and a rear fixing body having a guide passage therein along a longitudinal direction in a tubular shape in which one end is closed and a fixing groove is formed therein and the other end is opened. The coupling hole and the fixing groove are characterized in that located on a straight line.

And, the elastic restoring means is the front end is coupled to the coupling hole of the front fixing body and the rear end is a rotating shaft formed with a fastening groove, one end is coupled to the fixing groove and the other end is coupled to the fastening groove of the rotary shaft The torsion bar which repeats the torsion or restoration in connection with the movement and the torsion bar through the through groove corresponding to the cross-sectional shape of the torsion bar having an outer circumferential surface corresponding to the shape of the guideway and adjusts the torsion bar torsion Characterized in that consisting of the adjuster for.

In addition, the adjuster is fixed to the torsion bar by a fastener that is screwed through the through-hole formed in the side.

The torsion bar may be formed by stacking a plurality of metal plates.

The directional casters may be rotatably coupled to the lower side of the bracket provided with the rotation shaft on the upper side.

Hereinafter, exemplary embodiments will be described with reference to the accompanying drawings.

Figure 2 is a perspective view showing the overall configuration of the skateboard according to the present invention.

As shown, the skateboard with elastic restoring means according to the present invention is largely the board 10, the fixed body 20 is mounted at least one each in front and rear side of the bottom surface of the board 10, and It consists of an elastic restoring means (not shown) coupled to the fixture 20 and a directional caster 40 coupled to the elastic restoring means.

Here, the directional caster 40 is coupled to the lower side of the elastic restoring means adopts that the direction can be changed freely.

Hereinafter, the main parts of the skateboard according to the present invention will be described in more detail with reference to the accompanying drawings.

Figure 3 is an exploded perspective view showing the overall configuration of the fixing body, the elastic restoring means and the directional caster which is the main part of the present invention.

As shown, the skateboard according to the present invention is driven and rotated by the elastic restoring means 30 and the directional caster 40 coupled to the fixed body 20 of the bottom surface of the board (10, see FIG. 2) Will perform the action.

The fixture 20 is mounted along the longitudinal direction of the board 10 at least one in front and rear sides of the bottom surface of the board 10, and consists of a front fixture 22 and a rear fixture 24 largely. .

In the present invention, the front and rear fixtures 22 and 24 are manufactured separately from the board 10, and are shown as being fixedly coupled to the bottom surface of the board 10 by the coupler 50, but is not limited thereto. Of course, it can also be produced by integrally forming with the board (10).

The front fixture 22 is provided with a coupling hole 21 of a circular shape is coupled to the rotary shaft 32 of the elastic recovery means 30 to be described later.

The rear fixing member 24 is a tubular shape in which one end is sealed and the other end is opened so that the guide path 25 is provided therein along the longitudinal direction.

Here, a fixing groove 23 is formed in one end of the rear fixing member 24, and a plurality of fastening holes 26 penetrate at a predetermined interval in the side surface along the forming direction of the guide path 25.

In addition, the other end of the rear fixing member 24 is formed with a cylindrical coupling hole 27 to be in contact with the outer circumferential surface of the rotating shaft 32 to be described later.

At this time, it is preferable that the coupling hole 21 of the front fixing body and the coupling hole 27 of the rear fixing body 24 are positioned in a straight line for coupling with the elastic restoring means 30 which will be described later.

On the other hand, the elastic restoring means 30 is mounted between the fixture 20, more specifically, the front fixture 22 and the rear fixture 24, the rotary shaft 32, the torsion bar 34 largely And adjuster 36.

The rotating shaft 32 has a cylindrical shape having a predetermined length, and the front end portion is brought into surface contact with the coupling hole 21 of the front fixing body 22, and the rear end portion has a fastening groove 31 formed therein. It is a structure for surface contact coupling with the coupling port 27 of the rear fixing body (24).

Here, the rotation shaft 32 is mounted along the longitudinal direction of the board 10.

And, between the front end of the rotary shaft 32 and the coupling hole 21 of the front fixture 22, and the rear end of the rotary shaft 32 and the coupling hole 27 of the rear fixture 24 is constant It is desirable to be coupled via interfacial contact or rolling bearing for smooth rotation of the range of rotational motion, more specifically in the horizontal and external to the vertical external force from the upper surface of the board (10).

The torsion bar 34 is formed by stacking a plurality of plates of a metal material having a predetermined width and length, and the longitudinal direction of the torsion bar 34 and the longitudinal direction of the board 10 are arranged in parallel, but the plate surface Is perpendicular to the surface of the board (10).

Although the plate surface constituting the torsion bar 34 according to the present invention is illustrated as being perpendicular to the board 10, but is not limited thereto, the structure may be tolerated by the torsion bar 34. It may be mounted horizontally with the board (10).

Here, one end of the torsion bar 34 is coupled to the fixing groove 23 of the rear fixing body 24 and the other end is coupled to the fastening groove 31 of the rotary shaft 32, for this purpose the fixing groove 23 and the fastening groove 31 is formed to match the cross-sectional shape of the torsion bar 34 and at the same time perpendicular to the surface of the board 10.

The fixing groove 23 and the fastening groove 31 are also shown to be perpendicular to the surface of the board 10 in the present invention similarly to the torsion bar 34, but to allow the torsion of the torsion bar 34. If the structure can be mounted may be mounted horizontally with the board (10).

To this end, the fixing groove 23 of the rear fixing body 24 and the fastening groove 31 of the rotating shaft 32 are positioned in a straight line.

At this time, the torsion bar 34 serves to allow the torsion in the horizontal and the horizontal of the board 10 by the vertical external force from the upper surface of the board 10, that is, the load of the user.

This is one end of the torsion bar 34 which is fixedly coupled to the fixing groove 23 of the rear fixing body 24 and serves as a fixed end, which is in front of the front end thereof in surface contact with the coupling hole 21. The other end of the torsion bar 34, which is combined with the fastening groove 31 of the rotating shaft 32 to allow the rotational motion as much as a range, serves as a free end.

Meanwhile, the adjuster 36 is mounted to adjust the torsion of the torsion bar 34.

The adjuster 36 has a ring shape having an outer circumferential surface shape corresponding to the shape of the guide path 25 of the rear fixing body 24, and the through groove 35 corresponding to the cross-sectional shape of the torsion bar 34. The torsion bar 34 is moved through to adjust the degree of twist of the torsion bar 34.

Here, the adjuster 36 is fixed to the torsion bar 34 by a fastener 38 that is screwed through the through hole 37 formed in the side.

In addition, the position of the through hole 37 of the adjuster 36 matches with one of the fastening holes 26 on the side of the rear fixing body 24 through the fastening hole 26 and the through hole 37. The fastener 38 may be screwed into the torsion bar 34.

At this time, the rear fixing member 24 has a slit having a width corresponding to the diameter of the threaded portion of the fastener 38 along the forming direction of the guide path 25 to hold the head of the fastener 28 to torsion By moving along the lengthwise direction of the bar 34, the degree of twisting of the torsion bar 34 may be more easily adjusted.

 On the other hand, the directional caster 40 is rotatably coupled to the lower side of the bracket 41 having the rotary shaft 32 on the upper side, the lower side of the bracket 41 is acute angle with the surface of the board 10 It is formed to be inclined to achieve.

In this case, the bracket 41 is coupled to the movement of the rotation axis 32 to perform a rotation operation in a predetermined range in the horizontal and the outside of the board 10.

The skateboard according to the present invention having the above configuration may be applied by applying various modifications and applications to the torsion bar 34 as shown in FIGS. 4 and 5.

Figure 4 is a perspective view showing a torsion bar of the main part of the present invention, Figure 5 is a perspective view showing an embodiment of a torsion bar of the main part of the present invention.

The torsion bar 34 according to the present invention is manufactured by stacking a plurality of metal plates, as compared with FIG. 4 (b) as compared to FIG. 4 (b), thereby making it difficult to allow torsion. Can be.

That is, by appropriately adding or subtracting the number of plates constituting the torsion bar 34 according to the size of the body weight, for example, to enjoy the skateboard according to the present invention for children, the number of plates of the torsion bar 34 is adjusted. By laminating less than an adult, applications such as facilitating torsion are possible.

On the other hand, the torsion of the torsion bar 34 as shown in Figure 5 is also adjustable by the position of the adjuster 36 moving on the torsion bar (34).

For reference, in the drawing showing the torsion bar 34 and the adjuster 36 of FIG. 5, the left side of each of FIGS. 5 (a) and 5 (b) is a front side on which the front fixture 22 is mounted, and The rear fixing body 24 of the fixing body 20 will be defined as the rear side, respectively.

As shown in FIG. 5B, when the adjuster 36 is directed toward the front side of the torsion bar 34 relative to FIG. 5A, the adjuster 36 causes the torsion bar 34. Since the torsion is somewhat disturbed, the torsion bar 34 of FIG. 5 (a) is more difficult to perform the torsional movement.

Therefore, if you want to enjoy the skateboard according to the present invention for adults, it is possible to apply applications such as making the torsion difficult by moving the position of the adjuster 36 to the front side.

On the other hand, as described above, the skateboard according to the present invention of the configuration as described above, by appropriately modify the arrangement of the directional caster 40 on the bottom surface of the board 10 as shown in FIG. Deformation is possible.

First, a configuration in which two directional casters 40 are disposed on the front and rear sides of the bottom surface of the board 10 as shown in FIG. 6 (a) may be considered. As shown in FIG. It is also possible to arrange one directional caster 40 on the rear side before the bottom surface.

In addition, one directional caster 40 at the front side and two rear casters 40 at the rear side as shown in FIG. 6 (c), and the directional caster 40 at the opposite configuration as shown in FIG. 6 (c) as shown in FIG. 6 (d). Of course, it can be configured.

Thus, by placing the directional caster 40 on the bottom surface of the board 10 in a variety of ways as shown in Figure 6 it is possible to cope with the ability of a large number of users, such as beginners, experienced people or those who have acquired intermediate skills.

For example, a skilled person having difficulty in maintaining a balance of a body may have a skateboard having a configuration as shown in FIG. 6 (b), and a beginner may have a skateboard having a configuration as shown in FIG. 6 (a). The intermediate user can enjoy the skateboard having the configuration as shown in FIG. 6 (c) or FIG. 6 (d).

On the other hand, the skateboard according to the present invention, when the user rides in a straight line driving the torsion bar (34, see Fig. 3) of the lower side of the board 10 by the action of the vertical external force due to the weight of the board 10 ) To form an 'eight-arm' shape that extends outwards horizontally.

That is, as the torsion bar 34 is opened to the outside of the board 10 horizontally, the distance between the ground and the board 10 is closer, so that the user can travel with a sense of stability.

In addition to the various operating embodiments of the skateboard according to the present invention will be described.

Figure 7 is a conceptual diagram showing an embodiment of the operation of the skateboard according to the present invention.

For reference, among the feet (not shown) raised on the board 10, the side on which the arrow is shown on the drawing will be defined as the left foot and the opposite side as the right foot, and the arrow on the side of the board 10 is indicated. Will be defined as the front side and the opposite side to the rear side.

In addition, the state of the board 10 and the torsion bar 34 shown on the front side of the board 10 is viewed from the front of the skateboard according to the present invention based on the driving direction of the arrow in the drawing.

In addition, the state of the board 10 and the torsion bar 34 shown on the rear side of the board 10 is viewed from the back of the skateboard according to the present invention based on the driving direction of the arrow in the drawing.

The above description is equally applicable to FIG. 8.

First, when the user puts the weight (F) by twisting the body to the rear side of the left foot as shown in Fig. 7 (a) in a state where both feet on the board 10, that is, the direction of the arrow in the drawing When the force is applied to the left side, the directional caster 40 on the front side of the board 10 rotates to the right about the rotation axis 32 and moves forward.

At this time, the torsion bar 34 on the front side of the board 10 is allowed to twist to the left with respect to the traveling direction of the arrow in the drawing in conjunction with the rotation operation of the rotary shaft 32.

Subsequently, if the user turns to the front side of the left foot and loads the weight F in reverse, the user can continue traveling in the direction of the arrow in the drawing of FIG.

At this time, the torsion bar 34 on the front side of the board 10 temporarily becomes perpendicular to the ground as the user's weight F is reversed, and then immediately allows the right side to twist in the direction of the arrow in the drawing. Will be done.

On the other hand, if the user puts the weight (F) while giving a force to the rear side of the right foot as shown in Figure 7 (b), that is, when the force to the right side to the direction of the arrow to move backwards of the board (10) The directional caster 40 is rotated to the left about the rotary shaft 32 is advanced.

At this time, the torsion bar 34 at the rear side of the board 10 is allowed to be twisted to the left with respect to the advancing direction of the arrow in connection with the rotation operation of the rotation shaft 32.

Subsequently, if the user turns to the front side of the right foot and loads the weight F in reverse, the user can continue driving in the direction of the arrow in FIG. 7 (b).

At this time, the torsion bar 34 at the rear side of the board 10 is temporarily perpendicular to the ground as the user's weight F is reversed, and then allows the torsion to the right with respect to the direction of the arrow in the drawing. Will be done.

On the other hand, as shown in Fig. 7 (c), the user may perform the driving in the direction of the arrow while putting the weight (F) by twisting the body while simultaneously applying a force to the rear side of the left foot and the front side of the right foot.

That is, when the left foot is loaded to the left with respect to the direction of the arrow and the right foot is loaded to the right with respect to the direction of the arrow, the directional caster 40 on the front side of the board 10 is centered on the rotation shaft 32. To the right, the directional caster 40 on the back side of the board 10 rotates to the left about the rotation shaft 32 to start moving forward.

At this time, the torsion bar 34 of the front side of the board 10 is allowed to twist to the left with respect to the moving direction of the arrow in the drawing in conjunction with the rotation operation of the rotating shaft 32, at the same time the board 10 The rear side torsion bar 34 is allowed to twist to the right with respect to the moving direction of the arrow in the drawing in conjunction with the rotational motion of the rotary shaft 32.

Subsequently, the user can continue driving while pressing the left foot to the right with respect to the arrow direction and the right foot to the left with respect to the arrow direction.

At this time, the front and rear side torsion bar 34 of the board 10 is temporarily perpendicular to the ground, and then the board 10 front side torsion bar 34 immediately to the right with respect to the direction of the arrow in the drawing, The torsion bar 34 on the rear side of the board 10 is allowed to twist to the left with respect to the advancing direction of the arrow in the drawing.

Meanwhile, as shown in FIG. 8, the skateboard according to the present invention may travel while alternating loads F on the front side or the rear side of both feet placed on the board 10.

Where f represents the foot of the user.

First, if the user puts both feet (f) on the board 10 as shown in Figure 8 (a) and gives a force to the front side of the left and right feet (f) to carry the weight (F), the board 10 The directional caster 40 on the front side is left with respect to the direction of the arrow about the rotational axis 32, and the directional caster 40 on the rear side of the board 10 is the direction of the arrow about the rotational axis 32. Rotate to the right and start moving forward.

At this time, the front and rear side torsion bar 34 of the board 10 is allowed to twist to the right with respect to the traveling direction of the arrow in the drawing in conjunction with the rotation operation of the rotary shaft 32.

Subsequently, when the user loads the weight F by applying force to the rear side of the left and right feet f as shown in FIG. 8 (b), the front and rear directional casters of the board 10 according to the opposite principle of FIG. 8 (a). Travel continues with the rotation of 40.

At this time, the front and rear side torsion bar 34 is temporarily perpendicular to the ground, and then allows the left side to twist in the direction of the arrow in the drawing.

The present invention of the above configuration is to provide a skateboard that can easily drive and stunt regardless of skill, as well as provide a skateboard that can efficiently generate propulsion force without the need for cumbersome motion to ground It can be seen that it is thought.

And within the scope of the basic technical idea of the present invention, of course, many other modifications and applications are possible to those skilled in the art.

According to the present invention of the above configuration can be expected the following effects.

First, the front and rear weights of the feet that are twisted or raised on the board without having to run on the ground by adopting a structure equipped with at least one elastic restoring means and a directional caster on the front and rear sides of the board bottom, respectively. The driving force can be generated only by moving, and it is easily accessible even for beginners regardless of skill level and has the attraction to increase interest.

In addition, by adopting a structure in which the elastic restoring means is mounted on each of the directional casters, when the damage caused by an external impact, the entire connection element including the elastic body must be replaced or purchased as a new one. It is a very economical invention that is much easier to repair and has the advantage of significantly reduced costs.

Claims (6)

board; Fixing body is mounted along the longitudinal direction of the at least one board in front and rear sides of the bottom surface of the board; An elastic restoring means coupled to the fixed body and allowing torsion in and out of the horizontal plane of the board by a vertical load from the upper surface of the board; And Skateboard comprising a; directional caster coupled to the elastic restoring means. The method of claim 1, The fixture is, A front fixture having a circular engaging hole, One end is sealed and a fixing groove is formed therein and the other end is made of a rear fixing body provided with a guideway therein along the longitudinal direction in a tubular shape, Skateboard, characterized in that the coupling hole and the fixing groove is located in a straight line. The method according to claim 1 or 2, The elastic restoring means, The front end is coupled to the coupling hole of the front fixture, and the rear end has a rotary shaft formed with a fastening groove, one end is coupled with the fixed groove and the other end is coupled with the fastening groove to twist or restore in conjunction with the movement of the rotary shaft. Repeating the torsion bar, and having an outer circumferential surface corresponding to the shape of the guide path through the groove corresponding to the cross-sectional shape of the torsion bar through the torsion bar on the torsion bar to adjust the torsion of the torsion bar Skateboarding. The method of claim 3, wherein The adjuster, Skateboard, characterized in that fixed to the torsion bar by the fastener is screwed through the through-hole formed in the side. The method of claim 3, wherein The torsion bar is, A skateboard formed by laminating a plurality of metal plates. The method of claim 3, wherein Skateboard, characterized in that the directional caster is rotatably coupled to the lower side of the bracket provided with the rotating shaft on the upper side.

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