Mechanism for adjusting the seat and seat relates to such a mechanism

摘要

The seat adjuster for a motor vehicle has an endless screw (17) fitting into a nut (19) mounted with play on a rigid base (20). The endless screw is rotatably mounted on the base to be pushed by the screw into an active position where a stop (25) engages the endless screw, when a large axial force is applied to the screw, in an accident impact.