Patent ID: 7011296

Claim:
A lift arm assembly comprising a pair of parallel lift arms having open forward ends and rearward ends and interconnected near the midpoints thereof by a lateral push bar for use as a component of a jack stand power unit, and the forward end thereof for further use with a lift bridge, whereas the lift bridge is a rectangular plate having a forward end, a rearward end, a pair of sides, and a bottom surface, and said lift arm assembly further comprising means for readily positioning the lift bridge on the forward ends of said lift arms and means for displacing the lift bridge from the forward ends of said lift arms, whereas the lift bridge further includes a channel extending along each side thereof, and further comprising a pair of leveling pads pivotally attached to the forward end of each said lift arm and having an upper surface thereof with a flange extending horizontally therefrom for engaging the channel in the side of the lift bridge.