Seat articulation system for motor vehicle, has articulation device displacing backrest between horizontal position and vertical position, and locking device that locks rotation of backrest in positions

摘要

The system has an articulation device (9) between a backrest (5) and a base (7). The articulation device displaces the backrest between a horizontal position with respect to the base and a vertical position. A locking device (23) locks the rotation of backrest in the positions, has two ends respectively co-operating with axes (21, 41) mounted on the backrest. A vertical part (29) has an axis (35) that controls the locking device.