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Thin profile integrated suspension and seat trim cover
| Details |
Inventors: Abu-Isa, Ismat A.; Moran, Susan C.; Roy, Michael A.;
Assignee: General Motors Corporation (Detroit, MI)
Primary Examiner: Brittain; James R.
Assistant Examiner: Green; Brian K.
Attorney, Agent or Firm: Schuetz; William A.
A vehicle seat assembly has a seat frame, and an integrated elastomeric filament suspension and fabric cover in which the elastomeric filaments and yarn for the fabric are knitted together and stretched over the frame to provide a low profile finished seat or back rest which functions both as a suspension and as an aesthetic trim cover. |
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DETAILED DESCRIPTION The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1.
A seat assembly, such as a vehicle seat assembly, having a seat frame and a low profile seat suspension stretched across and attached to the frame, the improvement being that said seat suspension comprises a mat including first and second knitted layers of yarn each having a looped interlock stitch construction throughout to define laterally spaced longitudinally extending rows of looped stitches, elastomeric filament means inserted laterally across said rows of stitches at a predetermined longitudinal frequency and with alternate rows of said stitches being disposed on opposite sides of said elastomeric filament means to prevent any significant displacement of said filament means longitudinally of said mat, said elastomeric filament means being made from a block copolymer material having a diameter between 0.
10 to 2.
0 millimeters, a high tensile strength and a modulus of elasticity at 100 percent elongation which is at least twice that of natural rubber, said layers being interknitted with each other throughout a central portion of said mat to provide a double knit construction and having knitted side edge portions which are attachable to said seat frame, said mat being prestretched to at least 5% elongation when attached to said frame whereby said seat suspension mat has a thin profile and functions both as a support and as an aesthetic trim cover.
2.
A seat assembly, such as a vehicle seat assembly, having a seat frame and a low profile seat suspension stretched across and attached to the frame, the improvement being that said seat suspension comprises a mat including first and second knitted layers of yarn each having a looped weft interlock stitch construction throughout to define laterally spaced longitudinally extending rows of looped stitches, an elastomeric filament means continuously inserted laterally across said rows of stitches at a predetermined longitudinal frequency and with alternate rows of said stitches being disposed on opposite sides of said elastomeric filament means to prevent any significant displacement of said filament means longitudinally of said mat, said elastomeric filament means being made from a block copolymer consisting of polytetramethylene terephthalate polyester and polytetramethylene ether material having a diameter between 0
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Telecommunications 
