Patent ID: 6626495
Filing Date: 2003-09-30
Classification: B60N

Abstract:
A seat reclining device comprising:a first arm member adapted to be secured to one of a seat cushion frame and a seat back frame; a second arm member rotatably supported by the first arm member and adapted to be secured to the other of the seat cushion frame and the seat back frame; at least a first pawl and a second pawl movably disposed on the first arm member; each of the first and second pawls being provided with an outer gear portion; an inner gear portion formed on the second arm member for being engaged by the outer gear portion of the first and second pawls to fix a relative rotational position of the first and second arm members; a receiving portion provided on the second arm member; at least one stopper provided on the second arm member; and a projection provided on only one of the first and second pawls to engage the receiving portion during relative rotational movement of the first and second arm members to prevent the outer gear portions from engaging the inner gear portion, and to engage the stopper during relative rotational movement of the first and second arm member to define a forwardmost or rearwardmost reclining angle of the first and second arm members.