Patent ID: 7303181

Claim:
An apparatus for raising and lowering heavy objects from a position on a floor to a desired height and vice versa comprising: a lower support frame; an upper support frame including a set of lower support bars joined to a set of upper support bars in a parallel arrangement, said upper support bars adjustable relative to said lower support bars, said upper support bars pivotable about means joining the set of upper support bars to the set of lower support bars such that said upper support bars are further pivotable about said lower support bars; adjustment means connecting said lower support bars with said upper support bars at a point adjacent a front end of said lower support bars and said upper support bars, said adjustment means connected to an outer surface of said lower support bars and said upper support bars, said adjustment means for facilitating adjustment of said upper support bars relative to said lower support bars; adjustable heavy object support means extending between the upper support bars; one or more rotatable arm supports intermediate said lower support frame and the upper support frame; and a hydraulic pump for pumping fluid into one or more cylinders, said one or more cylinders for at least forcing said arm supports to raise said upper support frame.