| 摘要 |
<p>The invention concerns a torsional damper for clutch, in particular for motor vehicle, comprising a main damper linking an input element (10) to an annular disc (18) enclosing a hub (12) capable of being locked in rotation with an output shaft and a pre-damper (28) interposed between the disc and the hub, and a cylindrical ring (56) forming a centring bearing for a guide washer (16) whereon is fixed the input element (10) and comprising axial teeth (62) meshing with a toothing of the hub (12) with a circumferential clearance less than that provided between the toothing (46) of the disc (18) and the toothing (44) of hub (12) to brake and absorb the shocks of said toothing on each other.</p> |
