US 12,257,931 B2
Seat rail locking device for vehicle
Cheon Kim, Hwaseong-si (KR); Kyeong Ho Seo, Suwon-si (KR); Heoung Su Lim, Hwaseong-si (KR); and Seong Jun Hwang, Hwaseong-si (KR)
Assigned to Hyundai Transys Inc., Seosan-si (KR)
Filed by Hyundai Transys Inc., Seosan-si (KR)
Filed on Sep. 12, 2023, as Appl. No. 18/465,873.
Prior Publication US 2024/0109461 A1, Apr. 4, 2024
Int. Cl. B60N 2/00 (2006.01); B60N 2/08 (2006.01)
CPC B60N 2/0806 (2013.01) [B60N 2/0818 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A seat rail locking device for a vehicle, the seat rail locking device comprising:
a lower rail having a plurality of locking grooves defined in an inner flange and opened downward;
a locking plate having a plurality of locking teeth configured to be inserted into or withdrawn from the plurality of locking grooves when the locking plate moves upward or downward;
an upper rail configured to be inserted into the lower rail to be slidably disposed thereon and having a locking-lifting mechanism configured to switch a locking state by moving the locking plate upward or downward; and
an anti-rotation mechanism configured to suppress a rotation of the locking plate against a transverse load applied to the upper rail,
wherein the anti-rotation mechanism comprises a plurality of catching protrusions disposed on at least one of the plurality of locking teeth of the locking plate.