JP2909883B2 - skateboard - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a skateboard that has recently become a sporting sport.

[0002]

2. Description of the Related Art Conventional skateboards are generally provided with two pairs of wheels on a single board, and a player runs down a slope or kicks the ground with one foot to run with momentum. By shifting the weight to one side on the left and right sides in the traveling direction and tilting and bending the board, the degree of contact between the left and right wheels and the turning radius can be changed to perform steering.

[0003] Other special skateboards include Japanese Utility Model Laid-Open No. 2-10885 and Japanese Utility Model Laid-Open No. 2-10886.
As disclosed in Japanese Patent Application Laid-Open No. H11-260, there is provided a structure in which two plates provided with wheels are rotatably, slidably and rotatably connected to each other by a connecting member such as a link. The skateboard allows the front and rear boards to rotate, slide and rotate, so that a completely different and complicated movement occurs on the front and rear boards when traveling, and a more advanced movement to cope with this movement. In pursuit of operation technology, it is designed to be enjoyable.

[0004]

However, in the former skateboard, since the inclination and bending of the plate during steering are limited, the skateboard cannot be bent with a gentle and small turning radius.

Further, in the latter skateboard, the front and rear plates are formed so as to be rotatable, slidable and rotatable in order to make operation difficult, so that the skateboard is completely free to rotate, slide and rotate. There were no restrictions on the direction or angle of the movement, and it was almost impossible to steer exactly as the player intended. Therefore, its use was difficult without considerable practice.

In view of the above-mentioned disadvantages, the present invention is capable of turning with a small turning radius, and
It was created to provide a skateboard that even beginners can steer as desired.

[0007]

According to the present invention, there are provided two step plates which are supported by at least a pair of wheels so as to be able to travel, and these step plates have one ends thereof at about 45 degrees with respect to a vertical line. The above-mentioned problem is solved by connecting to one step plate side by a connecting shaft inclined so as to be rotatable with each other as a connecting shaft as a rotation axis.

It is preferable that a steering rod is provided upright on at least one of the step plates.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a skateboard according to the present invention will be described below with reference to FIGS. Reference numerals 1 and 2 shown in the figure are a pair of wheels 6 provided on the back surface.
And two independent step plates supported so as to be able to run. In this embodiment, two bearing plates 3 parallel to each other along the longitudinal direction are erected on the lower surface of each of the step plates 1 and 2, and the axle 5 is inserted through the bearing holes 4 of these bearing plates 3 in series. By attaching wheels 6 to both ends of each step board 1,
2 is supported so that it can run.

One of the step plates 1 is a horizontal step portion 7.
And an inclined portion 8 extending obliquely 45 degrees downward from one end of the step portion 7, and an insertion hole 9 is formed in the inclined portion 8.

The other step plate 2 includes a horizontal step portion 10, a continuous portion 11 extending obliquely downward at an appropriate angle from one end of the step portion 10, and a continuous portion 1.
1 has an inclined portion 12 extending upward at an angle of 45 degrees with respect to a horizontal plane, and has an inclined portion 12 that overlaps with the inclined portion 8 of the one step plate 1. , 12 are overlapped with each other, and an insertion hole 13 having the same size is formed at a position where the insertion hole 9 overlaps the insertion hole 9.

[0012] The insertion holes 8, 13 are
A connection having a diameter smaller than 13 and being perpendicular to both inclined portions 8 and 12 is inserted in a series thereof, and a large-diameter dish portion 15 is formed at both ends to prevent falling off at the insertion position. A shaft 14 is provided. Since both inclined portions 8 and 12 are formed as 45-degree inclined surfaces with respect to the horizontal plane, the connecting shaft 14 inserted in a direction perpendicular to this is inclined approximately 45 degrees from the vertical direction toward the other step plate 2 side. It is in a state where it has been done. Since the connecting shaft 14 is inserted through the inclined portions 8 and 12, the step plates 1 and 2 can rotate relative to each other about the connecting shaft 14 as a rotation axis.

Next, a method of using the skateboard of this embodiment will be described. First, one of the step boards 1 is directed forward in the traveling direction, and a forward foot is placed on it, and the rear foot is used to kick the ground and run. When speed is reached, the foot is placed on the other step board 2, and Move the center of gravity to the left and right to run while balancing.

At this time, if a force is evenly applied to the four wheels 6, the front axle 5 and the rear axle 5 proceed in a straight line as they are in parallel.
When a force is applied to the left of the front step plate 1, the front step plate 1 rotates to the left around the connecting shaft 14 with respect to the rear step plate 2 to form an angle between the front axle 5 and the rear axle 5, When the front step plate 1 rotates about the connecting shaft 14 inclined at 45 degrees with respect to the horizontal plane, the front right wheel 6 floats up and travels with only the three wheels 6, and turns left. proceed. If a force is applied to the left side more strongly, the angle between the front axle 5 and the rear axle 5, which have been parallel, increases, and the front step plate and the rear step around the connecting shaft 14 as a whole. The degree of bending with the plate increases, and the turning radius is made smaller to bend.

When a pressing force is applied to the connecting shaft 14 from above, the inclined portions 8 and 12 of the step plates 1 and 2 come into strong contact with each other, and this attempts to steer the front step plate 1. Since the rotation of the step board 1 is sometimes suppressed, the adjustment steering of a fine angle can be performed by using the movement of the center of gravity of the front step board 1 to the left and right and the stepping on the connecting shaft 14 in combination.

In this example, one of the step plates 1 is used.
Is set forward, and the other step board 2 is set rearward. However, even when the step board 2 is reversed, traveling and steering can be performed in the same manner.

FIG. 3 shows another embodiment of the present invention. In this embodiment, a skateboard is formed in the same configuration as that of the above-described embodiment, and the end portions of both step plates 1 and 2 are formed. Insertion holes 16 and 17 are formed in the vicinity, respectively, and one end is inserted into these insertion holes 16 and 17 to form in advance a steering rod 18 which is attached in an upright state.
8 is attached to the insertion hole 16 of the step plate 1. In the skateboard thus formed, the step board 1 is oriented in the traveling direction, and one foot is placed on each of the step boards 1 and 2 as in the above-mentioned use example. For example, it becomes easier to balance as an assist for supporting the body, and it is possible to steer by rotating the step board 1 with respect to the step board 2 by moving the steering rod 18 itself left and right. The method of use is not limited to this, and the steering can be performed by placing both feet on the rear step board 2 and placing both hands on the steering rod 18. In addition, since the steering rod 18 can be attached to the insertion hole 17 of the step board 2, it is also possible to steer in the opposite direction.

The shape, dimensions, material and configuration of the step plate, the number of wheels installed, the shape, dimensions, material and configuration of the connecting shaft,
It goes without saying that the shape, size, material, configuration, and the like of the steering rod are not limited to the above-described embodiments.

[0019]

According to the present invention, two step plates 1 and 2 supported by at least a pair of wheels 6 so as to be able to travel are formed, and one end of a horizontal step portion 7 of one of the step plates 1 is formed. An inclined portion 8 extending obliquely 45 degrees downward from the portion, and an inclined portion extending obliquely 45 degrees upward from one end of the horizontal step portion 10 of the other step plate 2 via a continuous portion 11 12 and the connecting shaft 1
When the player applies weight to the left or right of one of the step boards 1 or 2 facing forward during traveling, the one step board 1 or 2 is connected to the connecting shaft. 14 is rotated about the rotation axis to be bent with respect to the other step plate 1 or 2, and the connection shaft 14 is rotated about the rotation axis to apply the weight of the front step plate 1. The wheel 6 on the opposite side floats off the ground, and the skateboard can be moved with an extremely small turning radius by the synergistic effect of the bending of the front step plate 1 in the direction of movement of the center of gravity and the floating of the steering reverse wheel 6. It is possible to steer to make a turn.

Further, in the skateboard of the present invention, the only movable part to be operated in steering is the rotating part of the step plates 1 and 2, and the rotation is limited to a fixed direction with the connecting shaft 14 as the rotating axis. As a result, the player can enjoy steering by steering as desired without skill.

Furthermore, if a steering rod is erected on at least one of the step plates, it is easy to balance by supporting the body with the hand on the steering rod, and more easily by tilting the steering rod left and right. Steering by turning the step plates 1 and 2 can be performed, so that even small children, women, beginners, etc. can easily enjoy the operation.

According to the present invention, however, the skateboard is provided with excellent mobility capable of turning a sharp curve and operability that can be easily operated by a beginner, and is simple and inexpensive. It is extremely useful in industry, such as being able to be manufactured.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of the present invention.

FIG. 2 is a plan view showing one embodiment of the present invention.

FIG. 3 is a side view showing another embodiment of the present invention.

[Explanation of symbols]

1 step board 2 step board
3 Bearing plate 4 Bearing hole 5 Axle
6 Wheel 7 Step section 8 Incline section
9 insertion hole 10 step part 11 continuous part
12 Inclined part 13 Insertion hole 14 Connecting shaft
15 Dish 16 Insert hole 17 Insert hole
18 Steering rod

Claims (2)

(57) [Claims] 1. An inclined portion extending obliquely 45 degrees downward from one end of a horizontal step portion of one of the step plates, the two step plates being supported by at least a pair of wheels so as to be able to travel, The other step plate is formed such that one end of the horizontal step portion of the other step plate is overlapped with an inclined portion that extends obliquely upward by 45 degrees through a continuous portion, and is connected to each other so as to be freely rotatable with a connection shaft. Skateboard featuring. 2. The skateboard according to claim 1, wherein a steering rod is provided upright on at least one of the step plates.