| 摘要 |
A device comprising a generally transversely extending wall (2) with a guide ring (6) securely fastened thereto, an axially movable piston (9) sealingly slidable along the guide ring (6) and rotationally linked to the transverse wall (2) while being axially movable, via tangential resilient blades (40) secured to a driving member (44). The driving member (44) is welded to said wall (2) and said blades (40) are attached to the piston (9) by means of attachment members (41, 42) including a first member (41) secured to said blades (40) and a second member (42) engaging said first member. The device is useful in motor vehicles. |
