| 摘要 |
<p>A scooter is provided with propulsion means which include a pedal 24 to be operated by a rider of the scooter. The scooter has a platform on which the rider can stand and the pedal 24 is connected to a pivoting member 20 which, in turn, is connected to a first end of a chain 18 which is movable with respect to a cog 16 mounted on the scooter in order to allow a drive force to be exerted on the scooter or wheeled vehicle. A second end of a chain 18 may be connected to the frame of the scooter by a spring 22. A cog 30 may guide the movement of the chain.</p> |
