US 12,391,162 B2
Armrest assembly for rear seat of vehicle
Tae Hoon Lee, Suwon-si (KR); Ji Hwan Kim, Seoul (KR); Byeong Seon Son, Seoul (KR); Sang Ho Kim, Incheon (KR); Sang Hoon Park, Incheon (KR); Il Hwan Bae, Suwon-si (KR); Jeong Ho Kim, Ulsan (KR); Bong Jae Jeong, Anyang-si (KR); and Min Soo Kim, Ulsan (KR)
Assigned to HYUNDAI MOTOR COMPANY KIA CORPORATION, Seoul (KR); KIA CORPORATION, Seoul (KR); HYUNDAI TRANSYS INC., Seosan-si (KR); and HYUNDAI IND. CO., LTD., Ulsan (KR)
Filed by Hyundai Motor Company, Seoul (KR); Kia Corporation, Seoul (KR); Hyundai Transys Inc., Seosan-si (KR); and Hyundai Ind. Co., Ltd., Ulsan (KR)
Filed on Apr. 19, 2023, as Appl. No. 18/303,154.
Claims priority of application No. 10-2022-0146999 (KR), filed on Nov. 7, 2022.
Prior Publication US 2024/0149767 A1, May 9, 2024
Int. Cl. B60N 2/75 (2018.01); B60N 2/90 (2018.01)
CPC B60N 2/753 (2018.02) [B60N 2/938 (2018.02); B60N 2002/952 (2018.02)] 15 Claims
OG exemplary drawing
 
1. An armrest assembly for a vehicle, the armrest assembly comprising:
an armrest rotatably coupled to an armrest board and configured to be extended from the armrest board by rotating forward or to be housed in the armrest board by rotating and standing;
a speed-reduction damper mechanism connecting the armrest and the armrest board and configured to make a rotational speed of the armrest uniform by reducing the rotational speed when the armrest rotates to be extended; and
a knob rotatably coupled to the armrest and configured to be manipulated by a user; and
a locking mechanism installed in the armrest and connected to the knob by a wire, the locking mechanism being configured to:
lock the armrest by connecting the armrest to hinge brackets of the armrest board when there is no manipulation of the knob by the user; and
unlock the armrest by disconnecting the armrest and the hinge brackets in response to a manipulation of the knob by the user, wherein:
the armrest comprises:
an upper part having an armrest lid; and
a lower part having an accommodation space therein;
the knob is rotatably coupled to the lower part by a knob spring; and
the locking mechanism is disposed in the accommodation space of the lower part and extends leftward and rightward.