Patent ID: 8172329
Filing Date: 2012-05-08
Classification: B60N

Abstract:
1. An electromotive headrest folding apparatus for vehicles, comprising: an upright seat back frame; a rotating shaft rotatably fixed at opposite ends thereof to an upper end of the seat back frame, wherein the rotating shaft is offset from a rotational axis of the seat back frame; a rotary member fixed to the rotating shaft so as to be rotatable relative to the seat back frame with rotation of the rotating shaft, wherein a headrest pole is slidably engaged with and relatively movable with respect to the rotary member; a vertical moving unit fastened to the rotary member through a mounting bracket fixed to the rotary member, the vertical moving unit moving the headrest pole upwards or downwards with respect to the rotary member; and a locking unit mounted to the seat back frame and having a locking piece, to which the rotary member is selectively locked so that the rotary member rotates relative to the seat back frame with the rotating shaft when the rotary member is unlocked from the locking unit.