Protection device for rear vehicle seat occupant, has drive device with actuator operated by applying fluid to move head support rapidly from standby to protection position, contraction drive, sensors

摘要

The device has at least one head support (3) for the rear seat (1) that can be moved between an upright protection position and a folded down standby position, a drive device with at least one actuator operated by applying a fluid to move the head support rapidly from its standby position to its protection position and a contraction drive (24) and a sensing arrangement (37) for operating the contraction drive in the event of an accident.