| 摘要 |
A vehicle ( 100 ) is propelled by using the handlebar column ( 90 ) as a lever that can be pivoted to-and-fro and that also has a dive end or crank ( 50 ) which directly engages with the front wheel ( 101 ), whereby the front wheel is moved forwards in the rearword stroke. With a minimum of driving parts, the vehicle is reliable and durable. In addition vehicles according to this invention are stainable because they use no fuel. The drive lever ( 90 ) may be moved by hand or arm. Such vehicles may be two- or three-wheeled scooters for on-road or off-road use. The vehicle has a one-direction gear ( 55 ) to operate to allow angular driven movement of the driven wheel only during rearward movement of the lever, so that during forward movement of the lever the front wheel ( 101 ) can turn forwards freely.
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