| 摘要 |
Disclosed is a seat reclining mechanism, which is designed to be mounted to a seat cushion and a seat back so as to allow the seat back to be reclined. The seat reclining mechanism comprises a guide bracket (1) and an internal gear member (2) coupled to the guide bracket (1) in a rotatable manner about a rotation axis thereof with respect to the guide bracket (1) and formed with internal teeth (2e) along a circle having a center on the rotation axis. A plurality of lock gear members (3) is disposed between the guide bracket (1) and the internal gear member (2). A fitting portion (1a) is provided in either one of the guide bracket (1) and the internal gear member (2). A rotatable cam (4) is rotatably supported by the fitting portion. |
