JPH0715491U - Unicycle training aid - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a unicycle practice assisting device that allows one person to safely practice riding a unicycle. [Structure] This unicycle practice assisting device includes a frame 12 for supporting the unicycle so as not to fall. The frame 12 is arranged around the tire of the unicycle. A substantially T-shaped handle member 40 is formed on the front portion of the frame 12 so that the user can support his / her body and change the traveling direction so that the handle member 40 can swing back and forth. Front auxiliary wheels 54 are provided at the lower end of the handle member 40. In the substantially central part of the frame 12,
Mounting members 58 and 60 for connecting the frame 12 and the unicycle are formed so as to project upward by sandwiching the hawk of the unicycle. At the rear part of the frame 12, arm members 18 are formed so as to project to both sides. The rear auxiliary wheels 20, 22 are provided on the lower surfaces of both ends of the arm member 18.
Is provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention relates to a unicycle practice aid for practicing riding a unicycle.

[0002]

[Prior art]

 In the past, for example, I used to ride a unicycle along the wall of a building and practice balancing while holding my hand on the wall. In addition, for example, in some cases, a unicycle is used between balance beams arranged in parallel, and training is performed to balance while being caught by the balance beams. In addition, there were cases when practicing with the assistance of an assistant.

[0003]

[Problems to be solved by the device]

 However, with the conventional practice method, there was a risk of losing balance and falling. As a result, he could not fully practice, and it took a considerable amount of time for beginners to be able to control the unicycle freely. In addition, it was not possible for one person to practice by the method required by the assistant.

Therefore, an object of the present invention is to provide a unicycle practice assisting device that allows one person to safely practice riding a unicycle.

[0005]

[Means for Solving the Problems]

 This invention is directed to a frame that is arranged near at least both sides of a wheel of a unicycle for supporting the unicycle so that it does not fall, mounting means for mounting the frame on the unicycle, and a lower surface of the frame for supporting the frame. It is a unicycle training aid including a plurality of auxiliary wheels provided in the.

[0006]

[Action]

 The frame is disposed near at least both sides of the wheel of the unicycle, and is mounted on the unicycle by mounting means at a distance from the ground. By grounding the auxiliary wheels provided on the lower surface of the frame, the unicycle will not fall.

[0007]

[Effect of device]

 By mounting the unicycle practice assist device of the present invention on a unicycle, the unicycle does not fall due to the frame having the auxiliary wheels. Therefore, with this unicycle practice aid, one person can practice unicycle safely. Therefore, it becomes possible to learn a unicycle in a comparatively short time.

The above-mentioned objects, other objects, features and advantages of the present invention will become more apparent from the following detailed description of the embodiments with reference to the drawings.

[0009]

【Example】

 FIG. 1 is a perspective view showing an embodiment of the present invention. The unicycle practice assisting device 10 includes a frame 12 shaped like a square bracket. The frame 12 includes two elongated plate-shaped members 14 and 16. The plate-shaped members 14 and 16 are arranged parallel to each other on both sides of the wheel of the unicycle, with a gap larger than at least the tire width of the wheel of the unicycle. At the rear ends of the plate members 14 and 16 in the longitudinal direction, an elongated plate-like arm member 18 is arranged so as to intersect the plate members 14 and 16 substantially vertically. The plate-shaped members 14 and 16 are fixed in parallel to the substantially central portion of the arm member 18 by, for example, welding. Both ends of the arm member 18 are provided so as to protrude to the left and right of the plate members 14 and 16 with a predetermined interval. Rear auxiliary wheels 20 and 22 are provided on the lower surfaces of both ends of the arm member 18. Casters are used as the rear auxiliary wheels 20 and 22. Thus, in this embodiment, the frame 12 having a substantially C-shaped plane is formed from the plate members 14 and 16 and the arm member 18 so as to surround the wheel of the unicycle from the rear.

At the front end of the frame 12, a swing member 24 having a substantially D-shaped plane is arranged. One ends of pipe-shaped shaft members 26 and 28 are fixed to both ends of the rocking member 24 by welding or the like. The other ends of the shaft members 26, 28 are swingably supported by the front ends of the frame 12, that is, the front ends of the plate-shaped members 14, 16 by bolts 30, 32 and the like. In this way, the swing member 24 is pivotally supported on the front end portion of the frame 12 so as to swing back and forth.

In the vicinity of the front end of the swing member 24, a through hole 34 having a substantially O-shaped cross section is formed so as to penetrate in the thickness direction thereof. A cylindrical guide member 36 is attached to the upper and lower ends of the through hole 34 so as to communicate with the through hole 34. The guide member 36 is integrally formed with the swing member 24 by welding or the like. By communicating the through hole 34 with the guide member 36, a pivotal hole 38 having a substantially O-shaped cross section is formed so as to penetrate from the upper end to the lower end of the guide member 36. The pivot hole 38 is for slidably supporting the handle member 40 having a substantially T-shape. The handle member 40 is for supporting the body of the user and changing the direction of the front wheel member described later to change the traveling direction of the unicycle practice assisting device 10.

The handle member 40 includes a bar-shaped handle shaft 42. At the lower end of the handle shaft 42, a front wheel member 48 that serves as a front wheel of the unicycle practice assisting tool 10 is arranged. The front wheel member 48 includes a cylindrical shaft stopper member 50 for inserting and fixing the lower end of the handle shaft 42. The lower end of the handle shaft 42 is inserted from the upper end side of the shaft stopper member 50, and is fixed to the shaft stopper member 50 by welding, for example. The lower end of the shaft stopper member 50 is fixed to the upper surface of the strip-shaped chassis member 52 by, for example, welding. In addition, front auxiliary wheels 54 are provided on the lower surface of the chassis member 52. As the front auxiliary wheels 54, casters having wheels having a larger diameter than the rear auxiliary wheels 20, 22 are used.

The upper end of the handle shaft 42 is inserted into the guide member 36 from the lower end of the pivot hole 38. In this way, the handle shaft 42 is slidably supported by the pivot hole 38. On the upper end of the handle shaft 42, a rod-shaped grip member 44 is arranged so as to intersect the handle shaft 42 substantially vertically. The grip member 44 is for the user to hold with both hands. The grip member 44 is fixed to the upper end of the handle shaft 42 by a bolt 56. Non-slip members 46 for preventing slippage are fitted to both ends of the grip member 44, respectively. The anti-slip member 46 is made of, for example, rubber and has a groove for preventing slippage on its surface.

On the other hand, a substantially trapezoidal mounting member 58 is formed at a substantially central portion of the plate member 14, and a substantially trapezoidal mounting member 60 is formed at a substantially central portion of the plate member 16. The mounting members 58 and 60 are formed substantially parallel to each other while symmetrically facing each other. The mounting members 58 and 60 are for sandwiching the hawk of the unicycle and connecting the hawk of the unicycle and the frame 12.

Here, the mounting member 58 will be described with reference to FIGS. 1 and 4. The mounting member 58 includes a column member 62. The column member 62 is formed into a substantially trapezoidal shape by diagonally cutting both ends of the elongated plate. One end of the column member 62 is fixed to a predetermined position in front of the plate-shaped member 14 from, for example, welding by means of welding or the like. The other end of the strut member 62 is formed so as to extend from the plate-shaped member 14 toward the hawk of the unicycle diagonally rearward and upward. The mounting member 58 also includes a support member 64. The strut member 64 is formed in a substantially trapezoidal shape by diagonally cutting both ends of the elongated plate. Then, one end of the support member 64 is fixed to the support member 62 at a predetermined distance from the substantially central portion of the plate member 14 to the rear. The other end of the column member 64 is formed so as to extend from the plate member 14 toward the hawk of the unicycle diagonally above and in the front.

Clamping the other end of the column member 62 and the other end of the column member 64, respectively, a pair of clamping members 66a and 66b, which are stoppers, are arranged substantially parallel to the plate member 14. . As shown in FIG. 4, the sandwiching members 66a and 66b are formed by bending a substantially central portion of a strip-shaped plate member into a plane semi-circular shape corresponding to the shape of a hawk of a unicycle. The curved portions 68 of the holding members 66a and 66b are for holding the pipe-shaped hawk of the unicycle. Further, as shown in FIG. 4, a lining member 70 made of, for example, rubber is attached to the inner wall surfaces of the holding members 66a and 66b in order to increase the holding force.

In the vicinity of both ends of the sandwiching members 66a and 66b, holes for inserting bolts are formed so as to simultaneously penetrate the other ends of the strut members 62 and 64. Bolts 72 are fitted into these holes. Then, by making the bolt 72 and the nut 74 cooperate with each other, the sandwiching members 66a and 66b are fixed while sandwiching the strut members 62 and 64.

Similarly, as shown in FIG. 4, the mounting member 60 is made up of the plate members 76, 78, the sandwiching members 80a, 80b, the curved portion 82, the lining member 84, the bolt 86, and the nut 88. It is formed on the member 16.

Next, with reference to FIG. 2 to FIG. 4, a usage situation of this embodiment will be described. First, in order to make the description easy to understand, a unicycle to which the unicycle practice assisting device 10 is applied will be described. The unicycle 100 includes wheels 102. The unicycle 100 also includes a substantially U-shaped hawk 104. The hawk 104 is arranged so as to surround the wheel 102 from above. The center axis of the wheel 102 is rotatably supported from both sides by both ends of the hawk 104 via bearings or the like. Pedals 106 for rotating the wheels 102 are arranged outside the both ends of the hawk 104. The pedal 106 is fixed to the central shaft of the wheel 102 via a crank or the like. One end of a pipe-shaped stay 108 is fixed to a substantially central portion of the hawk 102. The other end of the stay 108 is formed so as to extend upward, and a saddle 110 is fixed to the other end.

The unicycle practice assisting device 10 is rotatably mounted on the ground by the rear auxiliary wheels 20, 22 and the front auxiliary wheel 54. Next, the bolts 72 and 86 and the nuts 74 and 88 are removed, and the holding members 66a and 66b and the holding members 80a and 80b are removed. Next, the wheels 102 of the unicycle 100 are arranged between the plate-shaped member 14 and the plate-shaped member 16. Therefore, the frame 12 of the unicycle practice assisting device 10 is arranged around the wheel 102 of the unicycle 100. At the same time, one end of the hawk 104 of the unicycle 100 is arranged between the support column member 62 and the support member 64, and the other end side of the hawk 104 of the unicycle 100 is arranged between the support member 76 and the support member 78. It

Next, as shown in FIG. 4, the holding members 66 a and 66 b are arranged so as to sandwich the vicinity of one end of the hawk 104 from the inside and the outside, and the vicinity of the other end of the hawk 104 is divided into the inside and the outside. The holding members 80a and 80b are arranged so as to be sandwiched between them. Then, by making the bolt 72 and the nut 74 cooperate with each other, the holding members 66 a and 66 b are fixed to the support member 62 and the support member 64 while holding near one end of the hawk 104. Further, by making the bolt 86 and the nut 88 cooperate with each other, the holding members 80 a and 80 b are fixed to the support member 76 and the support member 78 while holding the vicinity of the other end of the hawk 104. In this way, the unicycle practice assisting device 10 is mounted on the unicycle 100 by the mounting members 58 and 60.

The practitioner can support the body by sitting on the saddle 110 of the unicycle 10 and grasping the handle member 40. Further, since the handle member 40 is formed so as to be swingable back and forth, the position of the grip member 44 can be changed according to, for example, the sitting height of the practitioner or the length of the arm. Further, since the front wheel member 48 is fixedly attached to the lower end of the handle member 40, the direction of the front auxiliary wheel 54 can be changed by sliding the handle shaft 42 in the circumferential direction around the center axis thereof. Can be changed. By changing the direction of the front auxiliary vehicle wheel 54, it is possible to change the traveling direction of the unicycle 100 on which the unicycle practice assisting device 10 is mounted.

Further, if the unicycle practice assisting device 10 is attached to the unicycle 100, at least one of the rear auxiliary wheels 20, 22 and the front auxiliary wheel 54 even if the balance is lost during practice. It does not fall because the ground touches. Therefore, according to the unicycle practice assisting device 10, any one person can safely practice the unicycle 100. Therefore, the unicycle 100 can be freely manipulated in a relatively short time.

Further, if the upper part of the hawk 102 of the unicycle 100 is sandwiched by the mounting members 58 and 60, the frame 12 will be arranged above the wheels 102 of the unicycle 100. Then, the wheels 102 of the unicycle 100 protrude more below the frame 12. As a result, the rear auxiliary wheels 20, 22 and the front auxiliary wheel 54 are lifted above the ground. In this way, the distance between the rear auxiliary wheels 20, 22 and the front auxiliary wheels 54 and the ground can be adjusted according to the degree of improvement of the trainee. For example, for beginners, the rear auxiliary wheels 20 and 22 and the front auxiliary wheel 54 can always be grounded for practice, and as the skill is improved, the rear auxiliary wheels 20 and 22 and the front auxiliary wheel 54 are changed. You can practice without touching the ground. Also in this case, when the balance is lost, one of the auxiliary wheels will immediately come into contact with the ground, so it will not fall.

FIG. 5 is a side view showing a usage state of another embodiment of the present invention. The unicycle practice assisting device 10 shown in FIG. 5 includes an elongated plate-shaped forearm member 90 having substantially the same length as the arm member 18. The forearm member 90 is arranged so as to intersect each of the plate-shaped members 14 and 16 substantially vertically, and is further arranged between the mounting members 58 and 60 and the swinging member 24. The substantially central portion of the forearm member 90 is fixed to the lower surfaces of the plate members 14 and 16 by welding, for example. Then, both ends of the forearm member 90 project to the left and right of the plate-shaped members 14 and 16 with a predetermined interval. Casters 92, 94 are attached to both ends of the forearm member 90.

In the unicycle practice assisting device 10 of the embodiment shown in FIG. 5, the same effects as those of the embodiment shown in FIG. 1 are obtained, and the casters 92 and 94 are provided, so that the unicycle can be more stably mounted. You can practice. Moreover, since the forearm member 90 is provided, the strength of the frame 12 is increased.

FIG. 6 is a side view showing a usage state of a modified example of the present invention. The unicycle training aid 10 shown in FIG. 6 includes a spring 94. The spring 94 is attached so as to be wound around the handle shaft 42 between the guide member 36 and the chassis member 52. Then, one end of the spring 94 abuts on the upper surface of the chassis member 52 or one end of the shaft stopper member 50, and the other end abuts on the other end of the guide member 36. Further, the unicycle practice assisting device 10 shown in FIG. 6 includes a spring 96. The spring 96 is attached so as to be wound around the handle shaft 42 above the guide member 36. One end of the spring 96 abuts on one end of the guide member 36. A cylindrical stopper 98 for contacting the other end of the spring 96 is arranged at the other end of the spring 96. The cylindrical stopper 98 is fitted to the handle shaft 42. A screw hole is formed on the wall surface of the stopper 98. The stopper 98 is fixed to the handle shaft 42 by screwing a screw into the screw hole and bringing one end of the screw into contact with the wall surface of the handle shaft 42. The other end of the spring 96 is brought into contact with the end of the stopper 98.

According to the embodiment shown in FIG. 6, the same effect as that of the embodiment shown in FIG. 1 is obtained, and at the same time, the spring 94 and the spring 96 absorb the shock during traveling. Therefore, you can practice more safely and comfortably.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is a side view showing a usage state of the embodiment shown in FIG.

FIG. 3 is a front view showing a usage state of the embodiment shown in FIG.

FIG. 4 is a schematic cross-sectional view showing a main part of the use state shown in FIG.

FIG. 5 is a side view showing a usage state of another embodiment of the present invention.

FIG. 6 is a side view showing a usage state of a modified example of the present invention.

[Explanation of reference numerals] 10 unicycle practice assisting device 12 frame 14, 16 plate member 18 arm member 20, 22 rear auxiliary wheel 24 swinging member 26, 28 shaft member 34 through hole 36 guide member 38 pivotal support hole 40 handle member 42 Handle shaft 44 Grip member 48 Front wheel member 50 Shaft stop member 52 Chassis member 54 Front auxiliary wheel 58, 60 Mounting member 62, 64, 76, 78 Strut member 66a, 66b, 80a, 80b Clamping member

Claims (1)

[Scope of utility model registration request] 1. A frame arranged near at least both sides of a wheel of a unicycle for supporting the unicycle so as not to fall, mounting means for mounting the frame on the unicycle, and the frame for supporting the frame. A unicycle training aid including a plurality of auxiliary wheels provided on the lower surface of the vehicle.