Patent ID: 7857287

Claim:
A vehicle-lifting device, comprising: a base; a jack having first and second portions, said first portion being coupled to said base, said second portion being movable relative to said first portion; a coupling fixedly attached to said second portion for movement relative to said first portion, said coupling extending away from said second portion and having a configuration complementary to a configuration of a vehicle receiver hitch for selective attachment thereto; means for moving said second portion relative to said first portion; a bumper attachment having: a configuration complementary to a configuration of said coupling for selective attachment thereto; a hook for selective attachment to a vehicle bumper; a sleeve operatively coupled to said jack second portion, whereby movement of said second portion causes corresponding movement of said sleeve; support tubing extending adjacent said sleeve and having a lower end coupled to said base; wherein: said support tubing defines a plurality of holes; said sleeve defines a hole; and a pin selectively passes through a respective hole in said support tubing and said sleeve hole to operatively lock said coupling at a height to provide safety in case said jack fails.