| 摘要 |
PROBLEM TO BE SOLVED: To provide a seat reclining device capable of causing a plurality of lock members to perform locking operations reliably, in the case where the device is equipped with a second cam for pushing the lock members in a locking direction as a member different from a first cam for moving the lock member.SOLUTION: A seat reclining device comprises: a lock member; a first cam 47 associated with operation of operation means for rotating between a lock position, in which the lock member is positioned at a meshing position, and an unlock position, in which the same is positioned at a non-meshing position; a second cam pushing portion formed on an outer periphery of the first cam 47 and bulging toward an outer circumference of a base plate 27; and a second cam for pushing the lock member to a meshing position when the first cam 47 rotates from the unlock position to the lock position. The seat reclining device further comprises a first cam-facing portion formed of a concave surface for confronting the second cam pushing portion while forming a gap between itself and the second cam pushing portion, when the first cam 47 moves to the unlock position. |
