Cooling and heating seat pad construction

  • US 4,923,248 A
  • Filed: 11/17/1988
  • Issued: 05/08/1990
  • Est. Priority Date: 11/17/1988
  • Status: Expired due to Term
First Claim
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1. A seat pad construction for receiving temperature conditioned pressurized air and have its temperature modified accordingly, comprising:

  • first and second air-tight plate means hingedly interconnected along an edge in a generally L-shaped configuration defining the seat and backrest, respectively;

    first spring means overlying the facing major surfaces of the first and second plate means;

    second spring means extending along the interconnection of the first and second plate means;

    a first air permeable material consisting of plastic mesh overlying the first spring means applied over the first plate means and secured to the first plate means edges;

    a second air permeable material consisting of a copper wire mesh overlying the first spring means applied over the second plate means and secured to the second plate means edges;

    a first air flow barrier located over the second spring means and edge interconnected with both the first and second air permeable materials;

    a second air flow barrier located on the first spring means in the central leading top edge portion of the first plate means secured to both an edge of the first plate means and the first air permeable material; and

    means mounted onto the second air flow barrier for interconnecting a source of pressurized modified air to the seat pad plenum defined by the first and second plate means covered by the first and second air permeable materials and the first and second air flow barriers.

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