Patent attributes
A headrest apparatus may include a headrest fixing member connected to a headrest assembly, 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 and then is locked to the locking portion of the guide member by 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 the seat back when the seat back is folded.
