| 摘要 |
<p>The invention concerns an apparatus comprising a globally transverse-oriented wall (2) carrying a fixed guide ring (6), a piston (9) mounted movable along the guide ring (6) while being linked in rotation to the transverse wall (2) with axial mobility provided by elastic tabs (40) integral with a driving part (44) comprising an inner portion (444) extending radially beneath the piston and linked in rotation to one of the guide ring (6) -transverse wall (2) elements, said inner portion being adjacent to one of the -transverse wall (2)-guide ring (6) elements. The invention is applicable to motor vehicles.</p> |
