US 12,319,177 B2
Recliner for vehicle seat
Sungchul Kim, Hwaseong-si (KR); and Kyu Ha Shin, Hwaseong-si (KR)
Assigned to Hyundai Transys Inc., Seosan-si (KR)
Filed by Hyundai Transys Inc., Seosan-si (KR)
Filed on May 30, 2023, as Appl. No. 18/325,487.
Claims priority of application No. 10-2022-0087697 (KR), filed on Jul. 15, 2022.
Prior Publication US 2024/0017648 A1, Jan. 18, 2024
Int. Cl. B60N 2/22 (2006.01)
CPC B60N 2/224 (2013.01) 8 Claims
OG exemplary drawing
 
1. A recliner for a vehicle seat, the recliner comprising:
a first gear having a collar part extending from a center of one surface of the first gear;
a second gear configured to eccentrically engage with the first gear while being in contact with an inner portion of the first gear;
a ring member coupled to the collar part;
a socket coupled to the ring member; and
a pair of wedge cams disposed between the ring member and the second gear and configured to restrain or release the ring member and the second gear,
wherein the ring member comprises:
a first inner diameter portion defined in a direction from a first surface of the ring member to a second surface of the ring member; and
a second inner diameter portion defined in a direction from the second surface of the ring member to the first surface of the ring member, the second inner diameter portion having a larger inner diameter than the first inner diameter portion so that a first stepped portion is defined on a boundary between the first inner diameter portion and the second inner diameter portion.