| 摘要 |
There are provided a headrest that has excellent versatility and thin shape, and can be tilted lightly and reliably from a head support state to a storage state by reducing an operation load, and a vehicle seat provided with this headrest. The headrest includes a support member 1 mounted on the upper part of a backrest seat S2, a frame 2 rotatably engaged with the support member 1, a frame urging means 3 for urging the frame 2, and a lock mechanism 4 provided between the frame 2 and the support member 1. The lock mechanism 4 includes locking members 41 and 42 disposed on the support member 1 and formed with engagement groove parts 41a and 42a, a movable operation lever 44 having concave parts 44b formed so as to be directed toward the support member 1 side, fixing members 46 pivotally supported on the frame 2 rotatably and disposed so as to be capable of being crossingly engaged with and disengaged from the engagement groove parts 41a and 42a along with the movement of the operation lever 44, and an operation lever urging means 45 for urging the operation lever 44 so that the fixing members 46 are urged in the direction of the engagement groove parts 41a and 42a.
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