| 摘要 |
<p>An improved drive train is provided for a tricycle having a front steering wheel and two rear driven wheels, the tricycle including a pedal crank for generating motive power and a drive train for transferring the motive power from the pedal crank to the driven wheels. The improvement comprises in cooperative combination a differential gear for applying motive power equally to each of said driven wheels and coaster brake means for selectively transmitting the motive power to the driven wheels.</p> |
