| 摘要 |
PURPOSE: A device for automatically changing the height of the headrest for a vehicle seat is provided to increase passenger convenience since it is possible to change the height of a headrest without separate control to prevent the interference with a front seat in rotation of a seatback. CONSTITUTION: A device for automatically changing the height of the headrest for a vehicle seat comprises a fixed frame(110), a seat frame(120), a seat plate unit(130), a headrest unit(140) and a driving unit(150). Fixed frame is fixed to the indoor floor of a vehicle. The seat frame is rotatably coupled to the upper part of the fixed frame to support the back of a passenger. The seat plate unit is formed in a plate shape, and a slot hole(132) is vertically formed on the center of the seat plate unit. Both ends of the seat plate unit are coupled to the upper part of the seat frame. The headrest unit is coupled to the seat plate unit to be lifted. The driving unit automatically lifts the headrest when the seat frame is folded or unfolded. |
