JPS58101887A - Self-advancing two-wheel barrow - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] The present invention relates to a foot pedal type self-propelled two-wheeled vehicle.

Normal two-wheeled vehicles have wheels on the front and back and are very stable, so they are widely used as practical vehicles, but unicycles are more difficult to operate, but they are still very much enjoyed for leisure purposes.

The present invention is basically similar to a wheelbarrow, that is, it has two wheels on the same axis, so the instability factor is high, but it has excellent features that conventional unicycles do not have, such as turning left and right. This product provides a self-propelled two-wheeled vehicle that is easy to operate and fun, and is primarily used for leisure purposes, providing exercise while having fun.

According to the present invention, the shafts at both ends of the crank to which the pedals are attached are supported on a support frame, wheels are inserted into these shafts so that they can rotate freely, and a power panel is provided on the outside to engage with the crankshaft. A clutch disk is interposed between this power panel and the wheels, and a stock for operating the clutch disk is attached to the seven supporting frames so that it can be tilted freely, and when driving straight, the left and right wheels rotate at the same time by depressing the pedal. By operating the stock and engaging/disengaging the clutch disc, power transmission to either the left or right wheel is released and the vehicle can turn.

Hereinafter, specific examples will be described based on FIGS. 1 to 3.

Two pedals 2, 2 are rotatably attached to the crank 1, and both end shaft portions 3 of the crank 1 are supported by left and right support frames 4, respectively.

A wheel 5 is rotatably inserted into and supported by the shaft portion 3, and on the same axis, clutch discs 6A, 6B and a power disc 7. Stock lever receiver 8゜Detachable board 9 and presser board 1
0 are interposed, and these are normally biased by the Sgelinda 11 so that the clutch discs 6M and 6B are brought into close contact with each other.

One clutch disk 6M is locked to the wheel side, and the other clutch disk 6B is locked to the power board 7.

Power panel 7. Detachable board 9. The holding plates 10 are respectively fixed to nine locking pieces 12 on the shaft portion 3, and are engaged with each other so that they can rotate in the same manner as the crank rotates ten times and can also move in the same direction in the axial direction. There is.

An operating stock 14 is attached to the support frame 4 via a pin 15, which is linked to the stock lever receiver 8 via a stock attachment/detachment lever 13 so as to be freely tiltable left and right.

The stock 14 extends upward and has hand grips 17 attached to its tips, and the operator grips the left and right hand grips 17 while pedaling the foot pedal 2 to travel. Note that 18 indicates a cover for the wheel portion.

Next, to explain the operation, in the state shown in FIG. 1, the operator puts both feet on the foot pedals 2, 2, grasps the left and right hand grips 17 with both hands, and pedals the pedals 2 in the same manner as a bicycle.

At this time, if the operating stock 14 is supported so as to be pushed outward on both sides, the clutch discs 6A and 6B will be
Since they are pressed against each other, 10 rotations of the crank are transmitted from the shaft 3 to the wheels 5 via the power plate 7, clutch disks 6 and 6B, and both axles 5 are driven in the same way, so the vehicle runs straight. do.

On the other hand, if one pedals 2 while tilting one stock 14 inward as shown in FIG. 3, the stock lever holder 8 moves outward via the detachable lever 13, and accordingly The power plate 7 and the two-wheel plate 6 move integrally toward the outside while compressing the spring 11, thereby canceling the transmission of rotation to one of the single wheels 5.

Therefore, the driving force from the crank 1 is transmitted only to the other wheel 5, and in this way, the direction of travel can be changed freely.

In this way, according to the invention, straight strike direction.

It is relatively elegant compared to a conventional unicycle, but it requires more skill than a regular two-wheeled vehicle, and anyone can have fun riding it. can do.

[Brief explanation of the drawing]

Company 19 A front view of an embodiment of the present invention, FIG. 2 is an exploded perspective view, and FIG. 3 is an explanatory view showing the operating state. 1...Crank, 2...Pedal, 3...Shaft %4
...Support frame, 5.. Wheels, 6.. Clutch board, 7.. Power panel, 8.. Stock lever receiver, 14.. Operating stock, 17.. Hand grip. Patent applicant Yoshihiro Fukasawa

Claims (1)

[Claims] The shafts at both ends of the crank, to which the pedals are attached, are supported on a support frame, and the wheels are inserted into these shafts so that they can rotate freely, and a power panel that engages with and rotates integrally with the crankshaft is provided on the outside. A self-propelled two-wheeled vehicle characterized in that a clutch disc is interposed between a power panel and a wheel, and an operating stock of the clutch disc is attached to the support frame so as to be freely tiltable.