| 摘要 |
PROBLEM TO BE SOLVED: To provide a headrest in which an engagement tooth part of a ratchet and a locking member can obtain a favorable engagement state with each other.SOLUTION: A headrest includes a locking mechanism for locking a headrest frame at a plurality of positions relative to a locking bracket 4 in a front-back direction. The locking mechanism includes: a ratchet part 35 including the plurality of engagement teeth 36 and a plurality of recessed grooves 37 which are formed on the locking bracket 4 and alternately arranged along a moving direction of the headrest frame; the locking member held by the headrest frame, arranged in a right-left direction, and engaged with the plurality of engagement teeth 36 in association with movement of the headrest frame; and biasing means for biasing the locking member toward the ratchet part 35 and biasing the locking member toward a bottom 37a of a recessed groove 37. |
