US 11,679,707 B2
Inbuilt seat leg support and seat
Jie Yu, Shanghai (CN); Aihua Mao, Shanghai (CN); Yin Zhang, Shanghai (CN); Jialin Du, Shanghai (CN); and Jia Cao, Shanghai (CN)
Assigned to Yanfeng Adient Seating Co., Ltd., Shanghai (CN)
Appl. No. 17/310,948
Filed by Yanfeng Adient Seating Co., Ltd., Shanghai (CN)
PCT Filed Jun. 19, 2020, PCT No. PCT/CN2020/097086
§ 371(c)(1), (2) Date Sep. 1, 2021,
PCT Pub. No. WO2020/259409, PCT Pub. Date Dec. 30, 2020.
Claims priority of application No. 201910552192.X (CN), filed on Jun. 25, 2019.
Prior Publication US 2022/0041087 A1, Feb. 10, 2022
Int. Cl. B60N 2/90 (2018.01); A47C 7/50 (2006.01); B60N 2/68 (2006.01)
CPC B60N 2/995 (2018.02) [A47C 7/5062 (2018.08); B60N 2/68 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An inbuilt seat leg support, installed in a seat, the seat comprising a base frame and a cushion frame located above the base frame, wherein a receiving space is formed between the base frame and the cushion frame, the seat leg support comprises a leg support frame configured to be received in the receiving space, the leg support frame is movable and adjustable relative to the cushion frame, and movement and adjustment of the leg support frame cause the leg support frame to extend out of the receiving space to be in an extended state or to retract into the receiving space to be in a received state;
wherein sliding grooves are formed on a top face of the leg support frame in a direction of extension of the leg support, hooks are formed on the cushion frame corresponding to the sliding grooves, and disposing the hooks in the sliding grooves enables the movement and adjustment of the leg support frame relative to the cushion frame;
each of the hooks comprises a vertical portion and a transverse portion fixed to a bottom of the vertical portion, each of the sliding grooves comprises a vertical groove and a transverse groove in communication with each other, the transverse portion is disposed in the transverse groove, the vertical portion is disposed in the vertical groove, an upper surface of the transverse portion is covered with a cushion block, and an upper surface of the cushion block is attached to an upper surface of the transverse groove.