US 12,257,938 B2
Headrest device for vehicle
Tae Hee Won, Uiwang-Si (KR); Jun Ho Lee, Yongin-Si (KR); Hae Il Jeong, Incheon (KR); and Hyun Kim, Hwaseong-Si (KR)
Filed by Hyundai Motor Company, Seoul (KR); Kia Corporation, Seoul (KR); WOOBO TECH CO., LTD., Pyeongtaek-si (KR); and Hyundai Transys Inc., Seosan-si (KR)
Filed on Mar. 7, 2023, as Appl. No. 18/118,314.
Claims priority of application No. 10-2022-0117899 (KR), filed on Sep. 19, 2022.
Prior Publication US 2024/0092243 A1, Mar. 21, 2024
Int. Cl. B60N 2/80 (2018.01); B60N 2/809 (2018.01); B60N 2/821 (2018.01); B60N 2/829 (2018.01); B60N 2/894 (2018.01); B60R 16/033 (2006.01)
CPC B60N 2/829 (2018.02) [B60N 2/809 (2018.02); B60N 2/821 (2018.02); B60N 2/894 (2018.02); B60R 16/033 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A headrest device for a vehicle, the headrest device comprising:
a stationary headrest portion coupled to a seatback of the vehicle and formed to extend upwards, the stationary headrest portion being located at a rear of a head of an occupant;
a movable headrest portion coupled to the stationary headrest portion so as to be slidable in a vertical direction, the movable headrest portion being located in front of the stationary headrest portion; and
an actuator comprising:
a first side coupled to the stationary headrest portion, and
a second side coupled to the movable headrest portion,
wherein the actuator is configured to cause the movable headrest portion to slide in the vertical direction,
wherein the actuator further comprises:
a driving motor comprising a rotation shaft, wherein the driving motor is coupled to the stationary headrest portion, and wherein the driving motor is configured to rotate the rotation shaft;
a lead screw coupled to the rotation shaft of the driving motor and formed to extend in the vertical direction; and
a carrier comprising:
a first side coupled to the lead screw and configured to move in the vertical direction according to rotation of the lead screw, and
a second side coupled to the movable headrest portion, and
wherein the actuator further comprises a motor cover coupled to the stationary headrest portion and formed to at least partially cover an upper surface of the driving motor on which the lead screw is disposed, the motor cover comprising an opening through which the lead screw penetrates.