| 摘要 |
A vehicle pedal power saving mechanism mounted on the axle of the pedal cranks of a vehicle to facilitate pedaling of the pedal cranks, the vehicle pedal power saving mechanism including a side board mounted on the frame structure of the vehicle, a big gear coupled to the axle of the pedal cranks by an one-way ratchet wheel assembly, a small gear meshed with the big gear, a piston moved in a cylindrical shell at the side board and supported on a spring member inside the cylindrical shell, and a link coupled between the piston and a pivot at the small gear to reciprocate the piston upon rotary motion of the big gear and the small gear.
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