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Abdominal exercise device

  • US 4,824,105 A
  • Filed: 02/01/1988
  • Issued: 04/25/1989
  • Est. Priority Date: 02/01/1988
  • Status: Expired due to Fees
First Claim
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1. Device for performing abdominal lift exercises comprising:

  • a flexible body belt adapted to be fastened adjustably and removably about an exerciser'"'"'s waist, said body belt having a centrally disposed opening, said opening facing and corresponding in size and position to the exerciser'"'"'s abdomen;

    an expandable pocket mounted on said body belt, said pocket being affixed to the periphery of and surrounding said belt opening, sadi pocket being in the form of a bellows capable of being expanded outwardly and having an opening toward, facing sand corresponding in size and position to said belt opening and the exerciser'"'"'s abdomen;

    an air-tight infaltable bag attached to the lower edge of said pocket, said bag being contained completely within said pocket when not inflated, said bag being shaped to protrude through said pocket opening and to press inwardly and upwardly directly against the exerciser'"'"'s abdomen through said belt opening and said pocket opening when inflated;

    adjustable control means for regulating the magnitude of air pressure directed against the exerciser'"'"'s abdomen, said adjustable control means being mounted on said body belt and being characterized by the ability to limit and control selectivelythe expansion of said pocket and said bag outwardly from said body belt, thus directing more of less of said air pressure against the abdomen;

    a bellows-type air pump adjustably suspended from said body belt, said air pump being adapted to rest against the exerciser'"'"'s thighs and to be operated by hand pressure thereagainst; and

    flexible conduit means connecting said air pump and said inflatable bag for transmitting air therebetween.

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