US 12,246,634 B2
Automatic pop-up device for vehicle legrest
Min Seok Kim, Gyeonggi-do (KR); Sang Do Park, Gyeonggi-do (KR); Tae Jun Kwon, Incheon (KR); Du Go Jung, Gyeonggi-do (KR); Chan Ho Jung, Gyeonggi-do (KR); and Hyun Kyu Moon, Incheon (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Oct. 25, 2022, as Appl. No. 17/972,949.
Prior Publication US 2023/0191974 A1, Jun. 22, 2023
Int. Cl. B60N 2/90 (2018.01); B60N 2/02 (2006.01)
CPC B60N 2/995 (2018.02) [B60N 2/02246 (2023.08)] 20 Claims
OG exemplary drawing
 
1. An automatic pop-up device for a vehicle legrest, the automatic pop-up device comprising:
a support frame comprising a pair of front brackets and a pair of rear brackets formed therein, the support frame being mounted in a seat rail;
a driving shaft rotatably connected to the rear bracket of the support frame;
a rear link having an upper end thereof hingedly coupled to a seat cushion frame and a lower end thereof rotatably coupled to the driving shaft;
a motor comprising a gearbox coupled to the driving shaft, the motor transmitting rotational power to the driving shaft through the gearbox;
a front link having an upper end thereof hingedly coupled to the seat cushion frame and a lower end thereof rotatably connected to the front bracket;
a legrest frame positioned in front of the seat cushion frame so as to be deployable; and
a pop-up driving device coupled to the support frame so as to be movable forwards and rearwards, configured to connect a connection shaft, the connection shaft connecting the upper ends of the rear links, to the legrest frame, and to push and deploy the legrest frame when a reclining operation of a seatback frame and a tilting operation of the seat cushion frame are performed together.