Patent ID: 7758127
Filing Date: 2010-07-20
Classification: B60N

Abstract:
1. A vehicle seat head restraint assembly comprising: a stop adapted to be mounted to a rod extending from a vehicle seat back; a frame adapted to be mounted to the rod to slide along the rod; a head restraint mounted to the frame for supporting a head of an occupant; a shaft cooperating with the stop and the frame, one of the shaft and the stop including a longitudinal series of notches, and the other of the shaft and the stop including at least one projection that engages one of the series of notches in a locked rotary position of the shaft for permitting incremental locking positions of the frame relative to the stop, such that the at least one projection is disengaged from the series of notches in a released rotary position of the shaft for sliding the head restraint and frame along the rod, the shaft having one of a cam and follower arrangement; and an actuator having the other of the cam and follower arrangement in cooperation with the one of the cam and follower arrangement of the shaft for releasing the shaft to slide the head restraint and frame along the rod.