Patent ID: 7163087

Claim:
A vehicle lift comprising a first beam assembly and a spaced apart second beam assembly, each beam assembly further comprising a rectangular frame, a first spaced apart pair of strut arms mounted outboard at first end of the frame, a second pair of spaced apart strut arms attached to a second end of the frame, a third pair of spaced apart strut ends attached inboard the frame at a center point, a fourth pair of strut arms attached inboard the frame substantially near the center point; a center beam positioned between the third pair of strut arms and the fourth pair of strut arms and overlying both ends of the frame, the center beam further having opposed sides with longitudinal channels provided therein; a first pin attaching the first pair of strut arms to the first end of the frame, a second pin attaching the fourth inner strut arms to the frame; a third pin through the second end of the first pair of strut arms and a fourth pin through the second end of the inner strut arms wherein the third and fourth pin pass through the channels of the center beam; a threaded collar mounted on the third pin and a threaded collar mounted on the fourth pin, a threaded shaft rotatably positioned through the first threaded collar and second threaded collar and wherein rotation of the threaded shaft imparts linear force on the threaded collar selectively and operatively drawing the collars closer together to elevate the strut arms and the attached center beam.