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Seat assembly

  • US 5,003,653 A
  • Filed: 08/09/1990
  • Issued: 04/02/1991
  • Est. Priority Date: 08/09/1990
  • Status: Expired due to Fees
First Claim
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1. A seat assembly comprising generally an outer air cushion and inner air cushion provided therein;

  • said outer air cushion including three rings superposed and fixed together, each ring having an air tap;

    a diameter of said lower ring, when taken in cross section, being larger than a diameter of said upper ring which is larger than a diameter of said middle ring;

    said inner air cushion being expanded and being limited within said outer air cushion when a user is seated thereon; and

    said inner air cushion completely absorbing a weight of said user and being deformed according to a body of said user so that said user may feel comfortable.

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