Patent ID: 7566100

Claim:
A seat recliner for vehicles, comprising: a support bracket mounted to a seat frame; a guide holder coupled to the support bracket; a slide holder rotatably coupled to the guide holder and disposed between the support bracket and the guide holder, the slide holder including a stop unit formed on a surface of the slide holder facing the support bracket, the support bracket including a stopper engaging with the stop unit for restricting a rotation of the slide holder, the stop unit including a plurality of stop protrusions spaced apart from a rotation axis of the slide holder, the stop protrusions also spaced apart from each other the support bracket including a rotation shaft support part supporting a rotation of the slide holder, the rotation shaft support part aligned not overlapping the stop protrusions formed on the slide holder, the rotation shaft support part being aligned substantially parallel to the slide holder, the rotation shaft support part having a stop edge, the stopper including the stop edge; a rotating bracket coupled to the slide holder and mounted to a seat back; a clutch unit coupled to the slide holder and the guide holder, and disposed between the guide holder and slide holder for controlling engagement of the slide holder with the guide holder, and a control unit coupled to the clutch unit for controlling the clutch unit.