US 12,071,055 B2
Headrest of vehicle
Sang Ho Kim, Incheon (KR); Tae Jo Kim, Ulsan (KR); Seon Chae Na, Gyeonggi-do (KR); and Yong Jun Shin, Ulsan (KR)
Assigned to Hyundai Motor Company, Seoul (KR); Kia Corporation, Seoul (KR); and SEOYONCNF, Ulsan (KR)
Filed by Hyundai Motor Company, Seoul (KR); Kia Corporation, Seoul (KR); and SEOYONCNF, Ulsan (KR)
Filed on Jul. 25, 2022, as Appl. No. 17/872,323.
Claims priority of application No. 10-2021-0187209 (KR), filed on Dec. 24, 2021.
Prior Publication US 2023/0202369 A1, Jun. 29, 2023
Int. Cl. B60N 2/865 (2018.01); B60N 2/885 (2018.01)
CPC B60N 2/865 (2018.02) [B60N 2/885 (2018.02)] 12 Claims
OG exemplary drawing
 
1. A headrest for a vehicle, the headrest comprising:
a main frame mounted on a stay;
a first frame assembly mounted on the main frame and configured to reciprocate in a back and forth direction of the vehicle;
a second frame assembly mounted on the main frame and configured to reciprocate in the back and forth direction of the vehicle; and
a wing-out frame mounted on the second frame assembly, and including a center frame and a pair of first and second lateral frames rotatably mounted on respective sides of the center frame,
wherein the second frame assembly and the wing-out frame are configured to move back and forth as the first frame assembly moves,
wherein the first and second lateral frames of the wing-out frame are configured to rotate as the second frame assembly moves,
wherein the second frame assembly comprises:
a second frame mounted on the first frame in a moveable way;
a second nut plate converting a rotation motion of a second motor assembly mounted on the second frame and generating power into a straight-line motion, and installed in the second frame; and
at least one second guide pin formed in the second frame, and
wherein a second guide hole into which the second guide pin is moveably inserted is formed in the first frame assembly.