| 摘要 |
PURPOSE: A two-wheeled bicycle is provided to produce drive force by simultaneously driving a front wheel and a rear wheel. CONSTITUTION: A two-wheeled bicycle comprises a rear-wheel gear crank, a front-wheel gear crank(1), a steering wheel, and a head tube. The rear-wheel gear crank and front-wheel gear crank are established on the pedal part of bicycle to be faced with each other. The crank is installed in the steering wheel and head tube and is connected with using a chain(2). The sprocket is installed in the front-wheel and is connected to crank using the chain. The crank interlinks supplies driving power to the crane according to the steering wheel direction. A transmission gear is installed in the front-wheel gear crank. |
