| 摘要 |
<p>The crankset has a clutch pedal (2) fixed by an articulation (4) on a support (10). An assistance system (18) includes a helicoid spring (12), where one side of the spring is attached to the support by a fixed pivot (14), and another side of the spring is attached to the pedal by a movable pivot (16) so as to successively store energy and restore the energy to the pedal during travel of the pedal. The fixed pivot is moved automatically under effect of an electric actuator (34) according to travel of the pedal. A position sensor of pedal sends a signal to a controller controlling the actuator.</p> |
