Patent ID: 9475410
Filing Date: 2016-10-25
CPC Classification: B60N

Claim Text:
1. A recliner for a vehicle having a wedge, comprising: an upper gear having an internal tooth formed on an inner peripheral edge thereof and connected to a seat back to control an inclination angle of the seat back by rotation; lock gear parts each provided with an external tooth engaged with the internal tooth and locking or unlocking a rotation of the upper gear by a linear reciprocating motion of the lock gear parts; a holder, with which the upper gear and the lock gear parts are engaged so as to guide the linear reciprocating motion of the lock gear parts; and a cam engaged with the holder and the lock gear parts and controlling the linear reciprocating motion of the lock gear parts by rotation, wherein the lock gear parts include a first lock gear and a wedge gear part; wherein the wedge gear part includes a second lock gear and a wedge; wherein the second lock gear includes the external tooth at one end thereof and a lock protrusion at the other end thereof, and a wedge includes a wedge groove at one end thereof, the wedge groove contacting the lock protrusion and the other end of the wedge contacting with the cam; and wherein the lock protrusion and the wedge groove have a width narrowing toward a central axis of the recliner.