Patent ID: 7506388

Claim:
A portable invalid lift apparatus, comprising, in combination: a base having a front and a rear, the base further comprising: a square tube transverse at the front; a jack support centrally disposed on the transverse; a pair of spaced apart longitudinals perpendicularly connected to an each end of the transverse, respectively; a deck, comprising a U-shaped cut out open towards the rear, disposed atop the transverse and the longitudinals; a roller disposed on the rear of each longitudinal; a pair of spaced apart uprights upwardly and perpendicularly affixed atop the transverse, each upright disposed adjacent to one of the longitudinals, respectively; a pair of spaced apart supports, each support perpendicularly affixed to one of the uprights, respectively; a frame transverse connecting the supports; a pivoting front wheel fitted below a junction of each support and frame transverse; a battery disposed atop one of the supports; a charger disposed atop one of the supports, the charger in communication with the battery; a vertical arm perpendicularly and centrally affixed to the frame transverse; a lift arm pivotally connected to a top of the vertical arm via a first pivot; a crosspiece perpendicularly affixed to the lift arm; an insert removably fitted to an each end of the crosspiece; an outer lift arm perpendicularly and forwardly connected to each insert; a harness strap affixed forwardly to each outer lift arm, the harness straps selectively connected behind a back of an invalid; a cushioned lift swively affixed atop each lift arm, each cushioned lift selectively fitted under an arm of the invalid, respectively; a pair of shoulder straps affixed to an underside of each cushioned lift, each shoulder strap selectively affixed to the other; a screw jack having a lower end pivotally and removably fitted to the jack support via a second pivot, an upper end of the screw jack pivotally and removably fitted to the lift arm via a third pivot proximal to the crosspiece; a motor attached to the lower end of the screw jack, the motor in communication with a control and with the battery; whereby the lift arm and outer lift arms support, raise, and lower the invalid in a substantially single vertical plane.