Invalid transfer device

Claim 1

An invalid lift and transfer device comprising, a rigid chassis frame formed of a pair of parallel horizontal bars lying in a plane providing a space therebetween, a pair of tubular posts rigidly connected to and extending vertically upward from corresponding ends of said horizontal bars, and a first cross bar rigidly connected to and extending between upper end portions of said vertical tubular posts, said first cross bar providing the sole connection between said vertical tubular posts there being no connection between said horizontal bars in the plane of said horizontal bars, said space between said horizontal bars thereby being unobstructed to permit the feet and legs of a patient to project forwardly of said corresponding ends of said bars, a rigid invalid lifting frame movably supported on said chassis frame comprising a pair of parallel horizontal arms providing a space therebetween, a second cross bar rigidly connected to and extending between corresponding ends of said horizontal arms, and a pair of vertical posts extending downwardly from opposite end portions of said second cross bar, the vertical posts of said invalid lifting frame telescopically engaging in the vertical tubular posts of said chassis frame, jack means engaging between said frames for raising and lowering said invalid lifting frame with respect to the chassis frame, and a sling supported from the arms of the invalid lifting frame, said jack means comprising a body member and an extensible plunger member, a column extending downwardly from said first cross bar substantially centrally thereof, a platform on the lower end of said column, one of said jack members being supported on said platform and the other of said jack members engaging said second cross bar intermediate the ends thereof.