| 摘要 |
<p>A bicycle includes a frame (1) having a handle unit (2) pivotably connected to a case (14) which is fixed to the steerering tube of the front fork (12). The handle unit (2) includes a shaft (23) about which the handle unit (2) is pivotable back and forth, and the shaft (23) is connected with an arm (31) which is operatively connected with a front wheel driving unit so as to drive the front wheel (13) of the bicycle. The bicycle includes pedals to rotate the rear wheel by the conventional rear wheel driving unit by a chain cooperated with gear wheels. The bicycle includes two driving units which are operated by the users' legs and hands.</p> |
