Headrest
AssigneeNHK Spring Co., Ltd.
InventorsTakeshi Nakamura, Kenichi Katsube, Junichi Takada, Masamichi Kobori
Life of this patent
Estimating the term…
Abstract
A headrest includes: a main frame, left and right side frames, and left and right rotation-coupling portions. The main frame is supported at an upper end portion of a seatback. The left and right side frames that are disposed on left and right sides of the main frame. The left and right rotation-coupling portions couple the left and right side frames to the main frame such that the left and right side frames are capable of rotating with respect to the main frame about left and right up-down-extending axes. Each rotation-coupling portion includes a boss hole, a boss, a hinge hole, and a hinge.
Claims10
A headrest comprising:
- a main frame that is supported at an upper end portion of a seatback;
- left and right side frames that are disposed on left and right sides of the main frame;
- and
- left and right rotation-coupling portions that couple the left and right side frames to the main frame such that the left and right side frames are capable of rotating with respect to the main frame about respective axes extending in a vertical direction,
- each rotation-coupling portion including
- a boss hole that is formed at one end side in the vertical direction of either one of the main frame or a corresponding side frame,
- a boss that is formed at the one end side in the vertical direction of the other of the main frame or the corresponding side frame, and that is inserted into the boss hole so as to be capable of rotating relative to the boss hole,
- a hinge hole that is formed at the other end side in the vertical direction of either one of the main frame or the corresponding side frame, and
- a hinge that includes a bracket fastened and fixed to the other end side in the vertical direction of the other of the main frame or the corresponding side frame, and that includes a movable shaft that is rotatably supported by the bracket and that is inserted into the hinge hole so as to be incapable of rotating relative to the hinge hole.
Dependencies are inferred from the claim text.