| 摘要 |
A kickboard is provided to make the big driving force with a rotation power generator rotating a ratchet gear with the chain. A kickboard comprises: a supporting pipe(2) fixed to the front surface of the stage; a support stand(5) including a handle(3) mounted on the upper part and a nose wheel(4) mounted on the lower part; a pair of brackets(6,6') formed on the stage; an elevation operation part mounted on a machine room(7) in order to ascend a push plate to top and bottom; and a power transmission unit operating the back wheel.
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