| 摘要 |
<p>The bicycle has a hand crank (6) and a treadle (8), where a steering is provided with an actuating motor, a control element, a sensor and a steering controller. The control element has a joystick or a button and hand crank handles (6.3,6.7). An auxiliary engine is provided, where a hand crank is mounted on a bicycle frame (7). An independent claim is included for a method of riding a bicycle.</p> |
