Seat assembly and an adjustable head restraint assembly
First Claim
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1. A seat assembly comprising:
- a seat back;
a support post disposed on the seat back; and
a headrest that includes;
a subframe that is rotatably disposed on the support post;
a front portion for supporting a head of a seat occupant;
a support frame that is disposed on the subframe and that does not engage the support post or the front portion;
a friction element that is disposed on the subframe and the support post, wherein the friction element permits the headrest to rotate when a sufficient force is applied and inhibits rotation of the headrest when sufficient force is not applied to the headrest; and
a pivot member that is rotatably disposed on the support frame and that couples the support frame to the front portion;
wherein the subframe engages the support post and is completely disposed below an axis of rotation when in a first rotational position and is spaced apart from the support post when disposed in a second rotational position; and
wherein the front portion is configured to move with respect to the subframe between a first position and a second position that differs from the first position and wherein the headrest is rotatably disposed on the support post such that the headrest rotates independent of movement of the front portion.
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Abstract
A seat assembly having a headrest for supporting the head of a seat occupant. The seat assembly includes a seat back, a support post disposed on the seat back, and a headrest. The headrest has a front portion for supporting the head of a seat occupant. The front portion is configured to move between a first position and a second position. The headrest is rotatably disposed on the support post such that the headrest can rotate independent of movement of the front portion.
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Citations
19 Claims
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1. A seat assembly comprising:
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a seat back; a support post disposed on the seat back; and a headrest that includes; a subframe that is rotatably disposed on the support post; a front portion for supporting a head of a seat occupant; a support frame that is disposed on the subframe and that does not engage the support post or the front portion; a friction element that is disposed on the subframe and the support post, wherein the friction element permits the headrest to rotate when a sufficient force is applied and inhibits rotation of the headrest when sufficient force is not applied to the headrest; and a pivot member that is rotatably disposed on the support frame and that couples the support frame to the front portion; wherein the subframe engages the support post and is completely disposed below an axis of rotation when in a first rotational position and is spaced apart from the support post when disposed in a second rotational position; and wherein the front portion is configured to move with respect to the subframe between a first position and a second position that differs from the first position and wherein the headrest is rotatably disposed on the support post such that the headrest rotates independent of movement of the front portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A seat assembly comprising:
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a seat back; and a head restraint assembly including; a headrest for supporting a head of a seat occupant; a support post disposed in the headrest and extending from the seat back; a subframe rotatably disposed on the support post; a pivot member that engages and is moveable with respect to the subframe, the pivot member being configured to engage the headrest; a support linkage rotatably disposed on the subframe and moveably associated with the pivot member; an insert nut that is disposed proximate the support linkage and has a threaded hole; and a drive shaft having a threaded region that engages the threaded hole and rotates about a drive shaft axis of rotation to actuate the support linkage; wherein movement of the pivot member with respect to the subframe is independent of rotation of subframe with respect to the support post. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification