Backrest

  • US 6,588,842 B2
  • Filed: 05/17/2001
  • Issued: 07/08/2003
  • Est. Priority Date: 06/15/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. A backrest for a chair comprising:

  • a frame;

    a membrane attached to said frame and having a first body-contacting surface and an opposite second surface, wherein at least a portion of said membrane is see through, and wherein said membrane comprises an elastomeric material, wherein said elastomeric material comprises elastomeric monofilaments, and wherein said membrane comprises a fabric comprising said elastomeric monofilaments and stands of monofilament yarn; and

    a back support member attached to said frame and having a support surface, wherein at least a portion of said support surface contacts said second surface of said membrane, and wherein at least a portion of said back support member is visible through said membrane from said first body contacting surface thereof.

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