| 摘要 |
PURPOSE: An engine bicycle is provided to select drive force from an engine and pedals according to road conditions and simultaneously use both drive force without interference. CONSTITUTION: An engine bicycle comprises a back wheel shaft(10), a motor gear(20), a chain gear(30), a connection pipe(40), one-way rotation bearings(25,35). The back wheel shaft is formed on a back wheel to be expanded side to side. The motor gear is combined in one side of the back wheel shaft so that the back wheel shaft can be arrested in a forward direction. The engine shaft of the engine installed in a frame is connected with the motor gear using chains. The chain gear is combined in the back wheel shaft toward one side of the motor gear. The pedal, installed in the frame, is connected with the chain gear with the chains. The connection pipe is combined on the back wheel shaft. The both ends of the connection pipe are installed in the inner circumference of the chain gear and motor gear. The one-way rotation bearing is respectively combined in the inner circumference of the chain gear and motor gear. |
