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HEADREST

  • US 20170341546A1
  • Filed: 05/16/2017
  • Published: 11/30/2017
  • Est. Priority Date: 05/24/2016
  • Status: Active Grant
First Claim
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1. A headrest comprising:

  • a headrest main body mounted to an upper end of a seatback to support a head of a seated person on a seat from a rear side;

    a headrest movable portion arranged forward of the headrest main body and relatively displaceable in a front-rear direction with respect to the headrest main body;

    a first frame member configuring the headrest main body;

    a second frame member configuring the headrest movable portion and being displaceable with respect to the first frame member;

    a displacement mechanism configured to displace the second frame member with respect to the first frame member;

    a first guide shaft fixed to a first selected one of the first frame member and the second frame member, and extending in a direction substantially parallel to a displacement direction of the second frame member, the first guide shaft being configured to guide a second selected one of the first frame member and the second frame member so as to be displaced in the direction substantially parallel to the displacement direction; and

    a second guide shaft fixed to a third selected one of the first frame member and the second frame member and extending in a direction substantially parallel to the first guide shaft, the second guide shaft being configured to guide a fourth selected one of the first frame member and the second frame member so as to be displaced in the direction substantially parallel to the displacement direction,wherein the second guide shaft is arranged at a position shifted in a substantially vertical direction and in a substantially horizontal direction with respect to the first guide shaft in a state where the headrest main body is mounted to the seatback.

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