Patent ID: 8141851

Claim:
A portable lift comprising: a frame including a pair of rails and at least one interconnecting cross member; each of said rails exhibiting an upper surface establishing vehicle lift points; a plurality of jacks mounted to end locations of said rails; said jacks each further comprising first and second pairs of scissor jacks, each securing at upper end locations to a linearly displaceable and underside accessible caged guide rail defined in an open underside end location of each rail and, upon actuating, permitting angled legs associated with each of said jacks to displace concurrent with elevating said rails; inner rail supported ends of said jacks, these being slidably disposed within a caged track associated with the supporting rail to linearly translate in end-extending directions, this in turn causing the legs to pivot relative to the arms and to exhibit an increased vertical component for both elevating and lowering the vehicle; at least one synchronizing shaft interconnecting first and second drive shafts associated with said first and second rails for actuation said first and second pairs of scissor jacks; and at least one drive shaft communicating with said jacks and, responsive to a rotary input, for selectively actuating at least one of said jacks to cause said rails to vertically displace.