Patent ID: 7234770

Claim:
A portable seat cushion for use on a bench comprising: an inflatable panel having a top surface and a bottom surface joined together so as to define an interior compartment, said panel having a front side and a back side; a strap having an end affixed to said back side of panel and extending outwardly therefrom, said strap having a elastic section formed therealong; a first fastener affixed to said front side of said panel; a second fastener affixed to said strap at an opposite end of said panel, said second fastener suitable for affixing to said first fastener when said bottom surface of said panel is placed upon the bench and said strap is extended along an underside of the bench toward said front side of said panel; and a valving means affixed to one of said top surface and said bottom surface of said panel, said valving means for allowing air to be selectively introduced into and released from said interior compartment of said panel, said valving means comprising: a housing having a flange affixed to an interior surface of said one of said top surface and said bottom surface, said housing having a tubular portion extending from said flange outwardly of said one of said top surface and said bottom surface, said tubular portion and said flange defining a hole extending therethrough; a button slidably mounted in said hole, said button having a face at one end thereof; a sealing member affixed to an end of said button opposite said face, said sealing member positioned adjacent said flange on a side opposite said tubular portion, said sealing member having a diameter greater than a diameter of said hole; and a spring positioned within said hole and bearing against said button so as to urge said sealing member against said flange.