Headrest

摘要

The invention relates to a headrest that is retained on a vehicle seat by at least one support rod (12) and that has at least one adjustment part (13) that can be moved relative to the back rest by at least one drive mechanism (14, 15, 16, 22) having at least one first drive (14, 15) that is fixed to the adjustment part and a second drive (16, 22) that is fixed to the back rest.;The special feature is that the drive (14, 15, 16, 22) has an overload safety device (17) that can be moved from a starting position into a release position when a maximum force acting on the adjustment part (13) is exceeded, and, in the release position, the drive (14, 15, 16, 22) is at least partially relieved of the force acting on the adjustment part (13).

主权项

1. A headrest retained on a vehicle seat part, the headrest comprising:
at least one headrest adjustment part carried on and movable relative to the seat part; at least one drive mechanism for moving the adjustment part relative to the seat part and comprising a first drive having at least one first drive element that is fixed to the adjustment part and a second drive having a second drive element that is fixed to the seat part; an overload safety device having a coupling connected between one of the drive elements and the respective part and movable between a coupling position coupling the one drive element to the respective part and a decoupling position decoupling the one drive element from the respective part when a force acting on the adjustment part exceeds a limit; a latch in the overload safety device and movable between an unlocked position permitting movement of the adjustment part and a locked position blocking movement of the adjustment part; and a connection between the coupling and the latch that moves of the latch from the unlocked position into the locked position by movement of the coupling from the coupling position into the decoupling position.