Patent ID: 8752899

Claim:
A backrest for a motor vehicle seat, comprising a head restraint that is height adjustable in a height adjustment direction while being aided by a guide, and a transverse strut that is connected fixedly in an upper region of the backrest, the guide comprising a guiding device that is attached fixedly to the transverse strut and guides a guiding element that is attached to the head restraint and is integrated in the head restraint, the guide further having a locking unit with a latching plate that is fastened to the transverse strut and a separator that is fastened to the head restraint for rotation about a rotation axis extending in the height adjustment direction, the latching plate having holes spaced apart along the height adjustment direction, and the separator having at least one latch projecting transverse to the rotation axis, the latch being selectively engageable in the holes of the latching plate for locking the head restraint on the backrest and being selectively disengageable from the holes in the latching plate by rotating the separator to permit height adjustment of the head restraint.