Environmentally friendly layered seating assembly
First Claim
Patent Images
1. A vehicle seat assembly comprising:
- a seat cushion composite comprising a molded expanded polyolefin structural layer and a foam cushion layer, the foam cushion layer having an upper surface and bottom surface, the bottom surface of the foam cushion layer being disposed adjacent the structural layer, the structural layer being disposed on the frame, the foam cushion layer being made of polyurethane and having a rigidity that is less than the rigidity of the structural layer, the structural layer and the foam cushion layer being not secured to each other such that they are separable from each other; and
a frame for connecting the seat cushion composite to a vehicle; and
a trim material releasably secured over the seat cushion composite, wherein the seat cushion composite and the trim material are not secured to each other such that they are separable from each other.
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Abstract
The present invention relates to an environmentally friendly layered vehicle seat assembly and a method of making the same. In at least one embodiment, the vehicle seat assembly comprises a cushion composite comprising a structural layer and a cushion layer adjacent to the structural layer, and a trim material secured over the cushion composite.
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Citations
19 Claims
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1. A vehicle seat assembly comprising:
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a seat cushion composite comprising a molded expanded polyolefin structural layer and a foam cushion layer, the foam cushion layer having an upper surface and bottom surface, the bottom surface of the foam cushion layer being disposed adjacent the structural layer, the structural layer being disposed on the frame, the foam cushion layer being made of polyurethane and having a rigidity that is less than the rigidity of the structural layer, the structural layer and the foam cushion layer being not secured to each other such that they are separable from each other; and a frame for connecting the seat cushion composite to a vehicle; and a trim material releasably secured over the seat cushion composite, wherein the seat cushion composite and the trim material are not secured to each other such that they are separable from each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A vehicle seat assembly comprising:
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a seat cushion composite comprising a molded expanded polyolefin structural layer and a foam cushion layer having a bottom surface, the structural layer having a cavity and at least a portion of the foam cushion layer being disposed in the cavity of the structural layer, wherein the density of the cushion layer is less than a density of the structural layer, and wherein the foam layer is not secured to the structural layer such that they are separable from each other; a frame for connecting the seat cushion composite to a vehicle, the structural layer being disposed on the frame; and a vehicle seat cover releasably secured over the seat cushion composite such that at least a portion of the vehicle seat cover is in contact with the foam cushion layer. - View Dependent Claims (11, 12, 13, 14)
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15. A vehicle seat assembly comprising:
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a metal seat frame; a seat cushion composite comprising a molded expanded polymeric structural layer adjacent a foam cushion layer, the foam cushion layer being separable from the structural layer, the structural layer of the seat cushion composite being disposed on the seat frame and the seat frame being for connecting the seat cushion composite to a vehicle; and a trim layer secured over the seat cushion composite by a first securing means, wherein the first securing means is non-permanent securing. - View Dependent Claims (16, 17, 18)
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19. A vehicle seat assembly comprising:
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a metal seat frame; a seat cushion composite comprising a molded expanded polymeric structural layer adjacent a foam cushion layer, the structural layer of the seat cushion composite being disposed on the seat frame; and a trim layer secured over the seat cushion composite by a first securing means, wherein the first securing means is non-permanent securing; wherein the structural layer has an average thickness of 20 to 70 mm and the cushion layer has an average thickness of 30 to 70 mm; and wherein the structural layer has a density of 1.75 to 7.0 pcf and a hardness of 150 to 250 N, and the cushion layer has a density of 1.5 to 4.5 pcf.
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Specification