Patent ID: 7967375
Filing Date: 2011-06-28
Classification: B60N

Abstract:
1. A headrest apparatus moveable from and to a seat back in cooperation with movement of the seat back, the apparatus comprising: a headrest fixing member connected to a headrest assembly and selectively movable in a forward or backward direction in the seat back; a guide member connected to a seatback frame inside the seat back, wherein the guide member including a guide portion and a locking portion guides forward and backward movement of the headrest fixing member; at least an elastic member coupling the guide member and the headrest fixing member and configured to bias the headrest fixing member in the forward direction of the seat back so that the headrest fixing member moves in the forward direction along the guide portion of the guide member and then is locked to the locking portion of the guide member by an elastic force of the elastic member when the seat back is unfolded; and a locking release unit pivotally coupled to the guide member and configured to release the headrest fixing member from the locking portion of the guide member in accordance with operation of the seat back when the seat back is folded, wherein the headrest fixing member includes a headrest guide coupled to the headrest assembly to receive a headrest frame, wherein the headrest fixing member comprises: wherein the upper and lower horizontal rods coupled to the elastic member are slidably coupled to the guide member.