Seat assembly with movable seat and backrest and method
First Claim
1. A seat assembly comprising;
- (a) a seat;
(b) a seat mounting assembly mounting the seat in a near horizontal orientation for movement along an upwardly concaved arcuate seat path having one center of curvature above the seat and forward a backrest assembly; and
(c) the backrest assembly including a backrest member extending in a near vertical orientation proximate the seat mounting assembly, the backrest member having an upper backrest portion thereof mounted to the backrest assembly for movement in a vertically extending direction and having a lower backrest portion coupled for movement with the seat;
wherein, the backrest assembly further includes a recliner frame and the backrest member includes a backrest frame movably mounted to the recliner frame, and the recliner frame is tiltably mounted to the seat mounting assembly.
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Accused Products
Abstract
A seat assembly (21) for a vehicle including a seat (22), a seat mounting assembly (20) mounting the seat (22) for movement along an upwardly concaved arcuate path, a backrest (25) assembly with a backrest member (23) having a lower portion (18) coupled for arcuate motion with the seat (22) and an upper portion mounted for movement in a vertically extending direction. The backrest assembly (25) further includes a recliner frame and mechanism (32, 33). A method of providing a seat assembly also is disclosed including the steps of mounting the seat (22) for movement along an upwardly arcuate path, mounting the backrest (25) proximate the seat, coupling a lower portion (18) of the backrest for movement with the seat (22) and mounting the upper portion of the backrest (23) for vertically extending movement.
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Citations
33 Claims
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1. A seat assembly comprising;
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(a) a seat; (b) a seat mounting assembly mounting the seat in a near horizontal orientation for movement along an upwardly concaved arcuate seat path having one center of curvature above the seat and forward a backrest assembly; and (c) the backrest assembly including a backrest member extending in a near vertical orientation proximate the seat mounting assembly, the backrest member having an upper backrest portion thereof mounted to the backrest assembly for movement in a vertically extending direction and having a lower backrest portion coupled for movement with the seat; wherein, the backrest assembly further includes a recliner frame and the backrest member includes a backrest frame movably mounted to the recliner frame, and the recliner frame is tiltably mounted to the seat mounting assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A seat assembly comprising:
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(a) a seat; (b) a seat mounting assembly mounting the seat in a near horizontal orientation for movement along an upwardly concaved arcuate seat path having a center of curvature above the seat and forward a backrest assembly; and (c) the backrest assembly including a backrest extending in a near vertical orientation, the backrest including a lower backrest member having a lower lumbar portion coupled for movement to the seat, an upper lumbar portion coupled for guided movement to a remainder of the backrest assembly, and an upper backrest member mounted above the lower backrest member, the upper backrest member being movably mounted to the remainder of the backrest assembly and coupled to the lower backrest for movement therewith, wherein the backrest further includes a recliner frame and the backrest member includes a backrest frame movably mounted to the recliner frame, and the recliner frame is tiltably mounted to the seat mounting assembly. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A method of providing a seat assembly comprising the steps of;
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mounting a seat in a near horizontal orientation for movement along an upwardly concaved arcuate path having a center of curvature above the seat and forward a backrest; mounting the backrest in a near vertical orientation proximate the seat for support of the back of a user while seated on the seat; and coupling a lower portion of the backrest to the seat for movement of the lower portion of the backrest with movement of the seat; and mounting an upper portion of the backrest for vertically extending movement in response to movement of the lower portion of the backrest wherein the step of mounting the backrest is accomplished by mounting the backrest to a recliner frame formed to support said movement of the lower portion of the backrest to position the backrest member by the user and having a mechanism formed for selective reclining of the position of the backrest by the user. - View Dependent Claims (33)
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Specification