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US 8,657,378 B2Granted
Seat assembly having an adjustable head restraint assembly
AssigneeLear Corporation
InventorsFrank Kunert, Michael Menges, Karsten Mueller, Bernd Rolf Schwerma
Life of this patent
Estimating the term…
Abstract
A seat assembly having a headrest disposed on a support post. The headrest has a front shell and a rear shell. The front shell and rear shell may be configured to move in unison such that the front shell moves a greater distance than the rear shell.
Claims20
A seat assembly comprising:
- a seat back;
- a support post disposed on the seat back;
- and
- a headrest disposed on the support post, the headrest having a front shell, a rear shell, a traverse member that is configured to move along the support post, and a support linkage that is coupled to the front shell, rotatably disposed on the traverse member, and spaced apart from the support post;
- wherein the front shell and rear shell are configured to move in unison such that the front shell moves a greater distance than the rear shell when the headrest is moved.
2 more elements
A seat assembly comprising:
- a head restraint assembly that includes:
- a support post;
- a headrest moveably disposed on the support post, the headrest having a front shell and a rear shell that are configured to move with respect to each other;
- a traverse member disposed in the headrest that has an opening through which the support post extends;
- and
- a support frame moveably disposed on the traverse member, the support frame having a pair of guide arms that are disposed above the support post and that are received by the front shell for guiding movement of the front shell and a bumper that is configured to engage the support post to limit movement of the headrest, wherein the bumper is disposed between and spaced apart from the guide arms and disposed above the support post throughout a range of fore-aft movement of the support frame with respect to the traverse member.
3 more elements
A seat assembly comprising:
- a support post;
- a headrest moveably disposed on the support post;
- a traverse member disposed in the headrest, the traverse member including a hub and a block disposed proximate the hub;
- and
- a support linkage rotatably disposed on the hub, the support linkage having a mounting groove that receives the block;
- wherein the support post extends through the hub and the block helps retain the support linkage on the hub when the block is disposed in the mounting groove.
3 more elements
Dependencies are inferred from the claim text.