JP4176286B2 - skater - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a skater that puts one foot and runs while kicking the ground, or drives with both feet on.
More specifically, the present invention relates to a wheeled skater that has a handle or a stick and can change the direction of the front wheel, and can swing the rear wheel or lock the stopper.
More specifically, the present invention relates to a skater which can meander and propel by moving a hand on a handle, swinging legs and hips to the left and right, and moving a vehicle body and a rear wheel like a fishtail fin.
[0002]
[Prior art]
As a conventional skater, as disclosed in Japanese Patent Application Laid-Open No. 7-59898, one or a plurality of meandering propulsion wheels supported so as to freely swing with respect to the traveling direction of the vehicle body, and one-way rotation for preventing reverse rotation at the time of reverse rotation 2. Description of the Related Art An all-wheel drive type amusement traveling vehicle having three points, that is, an intermittent drive wheel having means and a drive handle for swinging the wheel with respect to the vehicle body, is known.
[0003]
Also known are the folding Wedelnskebo (Act 7-27654), a self-propelled exercise equipment with brake (Act 7-27655), a self-propelled steering wheel (Act 7-27656). .
[0004]
[Problems to be solved by the invention]
As described in the prior art, the rear wheels are always allowed to swing, so there was a risk that the rear wheels would flow sideways when turning and could not turn well and could fall or fall over.
Also, when kicking the ground with one foot like a kick skater, the rear wheel swings to the right or left and lacks stability, which may cause a shimmy phenomenon or a fluttering vibration .
[0005]
The present invention has been made in view of such problems of the prior art, and the object of the present invention is to prevent the rear wheels from flowing laterally when turning, and to kick and run with one foot like a kick skater. The goal is to provide a skater whose rear wheels are stable.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, in the skater according to the present invention, a rotation preventing means is provided on the swing shaft 24 disposed at the rear of the base 1 so that the swing motion of the rear wheel 20 can be stopped. A foot operating body is coupled to the blocking means so that the rotation blocking means can be turned on and off by the foot operating body.
Further, in the skater according to the second aspect, the lower end of the swing shaft 24 is used as a brake so that the rotation of the rear wheel 20 can be prevented by the lowering of the swing shaft 24.
[0007]
Furthermore, the skater of claim 3 is characterized in that a non-rotating lifting body (27, 29) and a fitting portion (25, 26) meshing therewith are provided as rotation preventing means.
Further, in the skater of claim 4, the rear wheel 20 is a double wheel, and the swing shaft 24 constitutes a double wheel caster.
Furthermore, the skater of claim 5 is characterized in that a round hole 46 and a long hole 48 are formed in the foot operating body, and both are connected.
[0008]
[Action]
In the present invention, since the above-described means are taken, the rotation preventing means is turned on / off by the foot operating body as necessary, and the swinging movement of the rear wheel 20 is restrained to realize running stability and turning stability. .
That is, when propelling the rear wheel 20 in a meandering manner, the swing shaft 24 must be free, and only a swing motion by the swing means 3 by a spring or the like is allowed. When you don't want to turn, stop the swinging movement of the rear wheels by using the foot operation body with rotation prevention means.
[0009]
Moreover, the brake can be applied by lowering the swing shaft 24 that swingably holds the rear swing wheel 20 and bringing its lower end into contact with the rear wheel 20.
The rear wheel 20 may be a single wheel or a double wheel. However, when a single-wheel caster is used, a swinging shaft 24 is added and a rotation preventing means is provided on the upper part. Further, when a twin-wheel caster is diverted, the vertical axis can be used as the swing shaft 24.
Further, the foot operating body for turning on / off the rotation preventing means of the swing shaft 24 is easy to be stepped on, as shown in FIG. 1 type, but foot switch 42 (FIG. It is good also as FIG.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
1 and 2 show an example of the skater of the present invention. A base 1 is provided with a caster 2, and a rear wheel 20 is held freely swingable.
Reference numeral 3 denotes a spring swinging means, which is provided so as to restore the caster 2 forward relative to the base 1 via a hooking portion 32. The swinging means 3 can also employ an elastic rubber or a shock absorber.
Reference numeral 4 denotes a foot movement switch, which is provided with a leaf spring 5 on the back and attached to the base 1 by means of a hinge 6, so that a player can operate it with his feet and step on it.
Reference numeral 7 denotes a needle bar which can change the direction of the front steering wheel 8. The front steering wheel 8 can be moved by directly rotating the needle bar 7, or the base 1 can be tilted by inclining the needle bar 7 indirectly to form a skateboard-like structure.
Reference numeral 9 denotes a folding means, which is convenient for transportation and storage by folding the base 1 from here and tilting the needle bar 7 backward. The buckle 90 is operated so that it can be folded and assembled with one touch.
As shown in FIG. 2, in the single-wheel caster 2, a hexagonal hole 26 and a round hole 28 are formed in the upper part of the oscillation shaft 24 fixed to the metal fitting by the lateral pin 22, and can be fitted with this. Is arranged. The hexagonal round head 29 is integrated with the slider 290 so that it can move along a dovetail groove 40 provided on the back of the foot movement switching 4.
Further, the oscillation shaft 24 is held in a long hole so as to be movable up and down via a compression spring 22 ′ with respect to the lateral pin 22, so that it can come into contact with the rear wheel 20 when the oscillation shaft 24 is lowered. .
[0011]
Because of the structure as described above, when the player on the running skater depresses the foot switch 4, the hexagonal round head 29 falls from the round hole 28 to the hexagonal hole 26 and swings the swing shaft 24. Block and lock caster 2 to fixed caster.
When the foot switch 4 is further depressed, the compression spring 22 'contracts, and the lower end of the swing shaft 24 comes into contact with the rear wheel 20 to prevent rolling and serve as a brake.
Since the foot movement switch 4 is restored by the force of the leaf spring 5 when the player weakens the stepping force, the swing shaft 24 moves in the reverse direction to release the brake, and further, the rotation prevention of the swing shaft 24 is also released. Is done.
[0012]
Another embodiment of the skater of the present invention is shown in FIG. 3, and a wedge 27 and a split groove 25 are employed in place of the hexagonal round head 29 and the hexagonal hole 26 which are rotation preventing means of FIG. Other configurations are the same as those in the above embodiment.
FIG. 4 shows still another embodiment of the skater according to the present invention, in which the swinging rear wheel 20 is a double wheel. A foot operating body is provided. That is, a flange 23 is provided on the vertical shaft 21 to support a thrust load, and a hexagonal shaft 233 and a fine round shaft 234 are formed above, and a hexagonal cap 244 is covered on the hexagonal shaft 233. The hexagonal cap 244 is supported between the coil spring 266 and the foot movement switching 4 and is prevented from rotating by the hexagonal holder 255 using the inner and outer hexagons, and the hexagonal socket 246 can freely rotate the fine round shaft 234. However, when lowered, it engages with the hexagonal shaft 233 to prevent the vertical shaft 21 from swinging.
The vertical shaft 21 is provided with a hooking portion 33, which is provided with a swinging means 3 such as a spring.
The skater of the embodiment of FIG. 4 is characterized in that the swing rear wheel 20 is a double wheel and a twin wheel caster is formed with the swing shaft.
[0013]
Yet another embodiment of the present invention is shown in FIGS.
This is an example in which the foot movement switching 42 as the rotation preventing means is not a lever type but a slide plate shape, and the slider 43 is moved on the upper surface of the base 1 by a dovetail groove 44.
A round hole 46 and a long hole 48 are formed in the foot movement switching 42, and both are connected. This hole meshes with a parallel head shaft 214 formed at the upper part of the vertical shaft 21, and the round hole allows this rotation, and the long hole 48 prevents this.
In the embodiment of FIG. 5, a threaded portion 211 is formed on the upper portion of the vertical shaft 21 that performs a swinging motion by the swinging means 3 and the hooking portion 33, double nuts 212 and 213 are provided here, and vertical is provided by the flange 23. The shaft 21 is prevented from coming off.
In the embodiment of FIG. 5, the foot movement switching 42 as the rotation preventing means is arranged so as to be moved in the front-rear direction, and in the embodiment of FIG. 6, the foot movement switching 42 is arranged so as to be moved in the left-right direction.
As described above, the foot movement switch 42 is formed in the shape of a slide plate, so that the number of parts is reduced and the structure is simplified.
The player slides the slide plate-shaped foot movement switch 42 to allow or prevent the swinging motion of the vertical shaft 21.
[0014]
【The invention's effect】
In the skater of the present invention, a rotation-preventing means is provided on the swing shaft disposed behind the base 1, and a lever-type foot operating body having a leaf spring provided on the back is coupled to the rotation-preventing means, A non-rotating lifting body is provided on the back of the swinging shaft, a fitting part is provided on the upper part of the swing shaft, and when the foot operating body is stepped down, the non-rotating lifting body and the fitting part are engaged to rotate. Since the blocking means can be turned on and off, the player aligns both legs and swings his hips and buttocks, gives a meandering propulsion movement to the rear wheel, runs like a fish, and when turning, the player By turning the foot operation body with the foot and restraining the swing motion through the rotation preventing means, it is possible to make a slight turn. (Claim 1)
[0015]
According to the second aspect of the present invention, the rotation preventing means is provided on the oscillation shaft disposed behind the base 1, and a slide plate-shaped foot operating body moving on the upper surface of the base is coupled to the rotation preventing means. A round hole and a long hole connected to the round hole, and the hole meshes with a parallel head shaft formed on the top of the oscillation shaft. The round hole allows the oscillation shaft to rotate and is long. The hole prevents rotation of the oscillation shaft. By sliding the foot operating body with the foot and switching between the round hole and the long hole (or the hole meshing with the parallel head axis), the rotation prevention means is Since it can be turned on and off, it is convenient for a player to easily turn on and off the swing of the rear wheel by moving this foot control body.
[0016]
According to the third aspect of the present invention, the swing shaft 24 for freely swinging the swing rear wheel 20 can be moved up and down so as to contact the rear wheel 20 and prevent rotation. Therefore, it is possible to contribute to stable running by braking appropriately during turning and turning.
[0017]
According to the fourth aspect of the present invention, the swinging rear wheel 20 is a twin wheel and a twin wheel caster is formed with the swing shaft 24. Therefore, a commercially available twin wheel caster can be used to reduce the cost. Because it is a twin wheel, it has good stability and large driving force.
[Brief description of the drawings]
FIG. 1 is a side view showing an example of a skater of the present invention.
FIG. 2 is a partial cross-sectional view of the skater of FIG.
FIG. 3 is a partial cross-sectional view showing another example of the skater of the present invention.
FIG. 4 is a partial cross-sectional view showing another example of the present invention.
FIG. 5 is a partial plan view (a) showing still another example of the present invention.
The fragmentary sectional view (b) which shows other examples of the present invention.
FIG. 6 is a partial plan view (a) showing still another example of the present invention.
The fragmentary sectional view (b) which shows other examples of the present invention.
[Explanation of symbols]
1 .. Base 2 .. Caster 3 .. Swing means 4 .. Foot switch 5 .. Restoration means (leaf spring)
6. Hindi 7. Roller bar (handle)
8. Steering front wheel 9 Folding means 20 Rear wheel 21 Vertical axis (oscillating shaft)
22 ・ ・ Horizontal pin 23 ・ ・ 鍔 24 ・ ・ Swing shaft 25 ・ ・ Split groove 26 ・ ・ Hexagon hole 27 ・ ・ Wedge 29 ・ ・ Hex round head 32 ・ ・ Hook 33 ・ ・ Hook 40 ・ ・ Dovetail 42 ・ ・ Foot movement switching 43 ・ ・ Slider 44 ・ ・ Dove groove 46 ・ ・ Round hole 48 ・ ・ Long hole 90 ・ ・ Buckle 211 ・ ・ Screw part 212 ・ ・ Double nut 213 ・ ・ Double nut 214 ・ ・ Parallel head ··· Hex shaft 234 · · Round shaft 244 · · Hex cap 246 · · Hex socket 256 · · Hex holder 266 · · Coil spring 290 · · Slider

Claims (4)

In the case of having a front steering wheel 8 and a swinging rear wheel 20 and propelling the base 1 by swinging it left and right, rotation preventing means is provided on a swinging shaft 24 disposed behind the base 1. A lever-type foot operating body with a leaf spring provided on the back is coupled to the rotation prevention means, and a non-rotating lifting body is provided on the back of the foot operating body and is fitted to the upper part of the swing shaft Skaters characterized in that the rotation preventing means can be turned on and off by fitting the non-rotating lifting body and the fitting portion when the foot operating body is stepped down. In the case of having the front steering wheel 8 and the swinging rear wheel 20 and propelling the base 1 by swinging it left and right, a rotation preventing means is provided on the swinging shaft 24 disposed behind the base 1. A slide plate-shaped foot operating body that moves on the upper surface of the base is coupled to the rotation preventing means, and the foot operating body has a round hole and a long hole connected to the round hole. It is meshed with a parallel head shaft formed at the upper part of the shaft, the round hole allows rotation of the swing shaft, and the long hole can prevent rotation of the swing shaft. The rotation preventing means can be turned on and off by being able to switch between a round hole and a long hole (or a hole meshing with the parallel head shaft) by being slid by 2. The swing shaft 24 for freely swinging the rear swing wheel 20 is configured to be movable up and down so as to contact the rear wheel 20 and prevent rolling. Skater listed The skater according to any one of claims 1 to 3, wherein the swinging rear wheel (20) is a twin wheel and the swing shaft (24) forms a twin wheel caster.

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