Patent ID: 7380882

Claim:
A recliner adjuster for adjusting an inclination of a seat back with respect to a seat cushion, comprising: a guide bracket to be secured to one of the seat cushion and the seat back; an internal gear to be secured to the other of the seat cushion and the seat back; a cam interposed between the guide bracket and the internal gear; a pair of lock gears interposed between the guide bracket and the internal gear so as to be radially slidable in association with movement of the cam; and a mounting ring for mating the guide bracket and the internal gear with each other with the cam and the pair of lock gears accommodated therein, the mounting ring having a generally flat annular portion, a cylindrical side portion, and a plurality of bent portions formed at a distal end of the cylindrical side portion; wherein the guide bracket and the internal gear are sandwiched between the generally flat annular portion and the plurality of bent portions of the mounting ring, and an outer peripheral surface of the internal gear is held in sliding contact with an inner surface of the cylindrical side portion of the mounting ring, thereby radially positioning the internal gear.