Ergonomic support pad

  • US 5,884,879 A
  • Filed: 08/12/1997
  • Issued: 03/23/1999
  • Est. Priority Date: 08/23/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. An ergonomic support pad for receiving and supporting the forearm and wrist of a person operating an in-out device for a computer comprising:

  • bottom, middle, and top layers of plastic foam material, each of said layers being of substantially uniform thickness, said bottom layer having a bottom surface for resting on a supporting surface, said top layer being exposed and having a top surface adapted for engageably receiving the forearm and wrist of the person, said middle layer being intermediate and sandwiched between said bottom layer and said top layer, said layers exhibiting indentation force deflections, as measured by ASTM D3574 Test B1, which are, respectively, for said bottom layer;

    in the approximate range of 488 lbf @ 10°

    C., 27 lbf @ 21°

    C. and 9 lbf @ 38°

    C., for said middle layer;

    in the approximate range of 315 lbf @ 10°

    C., 10 lbf @ 21°

    C. and 7 lbf @ 38°

    C., and for said top layer;

    in the approximate range of 34 lbf @ 10°

    C., 4 lbf @ 21°

    C. and 3 lbf @ 38°

    C., said ergonomic support pad having a total thickness in the approximate range of one to two inches.

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