US 12,257,934 B2
Seatback-folding device for emergency escape for vehicles
Sang Min Kim, Hwaseong-si (KR); Jung Bin Lee, Hwaseong-si (KR); Byung Mo Kim, Suwon-si (KR); Jun Kyu Kim, Hwaseong-si (KR); and Jae Sung Lee, Pyeongtaek-si (KR)
Assigned to HYUNDAI TRANSYS INC., Seosan-si (KR)
Filed by HYUNDAI TRANSYS INC., Seosan-si (KR)
Filed on Jul. 7, 2023, as Appl. No. 18/219,112.
Claims priority of application No. 10-2022-0089303 (KR), filed on Jul. 20, 2022.
Prior Publication US 2024/0025308 A1, Jan. 25, 2024
Int. Cl. B60N 2/20 (2006.01); B60N 2/235 (2006.01); B60N 2/68 (2006.01)
CPC B60N 2/20 (2013.01) [B60N 2/206 (2013.01); B60N 2/2352 (2013.01); B60N 2/68 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A seatback-folding device for emergency escape for vehicles, the seatback-folding device comprising:
seat cushion side frames including guide holes formed therein so as to have an elongated shape in an upward-downward direction;
a seatback frame rotatably connected to the side frames via a shaft;
an ascending/descending bar configured to be inserted at two end portions thereof into the guide holes in the side frames such that the ascending/descending bar is movable upward or downward;
a lever connected to one of the two end portions of the ascending/descending bar; and
locking plates including locking recesses formed in predetermined portions of outer peripheries thereof to allow the two end portions of the ascending/descending bar to be inserted into and locked in the locking recesses, the locking plates being mounted to the seatback frame.