| 摘要 |
<p>The system has a pawl (29) fixed on a lid (5) and presenting a control strip (30) co-operating with teeth of a ratchet wheel (15). The pawl is arranged such that a force transmission device (9) pushes the strip in a direction of the wheel during clutch operation. The strip moves away from the wheel until reaching an abutment position in which the pawl is in support against the lid during disengaging operation. The pawl is, in its thrust position, constrained toward the wheel so as to provide a contrary return force adapted to elastically return the pawl toward the thrust position.</p> |
