Patent ID: 8875844

Claim:
A lifting device in combination with an upright supporting surface and a vehicle dolly for a personal vehicle wherein the vehicle dolly comprises a dolly frame including at least one wheel track extending in a longitudinal direction between opposing ends of the dolly frame supported on wheels such that said at least one wheel track of the dolly frame is supported spaced above the ground for rolling movement along the ground by the wheels in which said at least one wheel track is arranged for receiving wheels of the personal vehicle rolled thereon, the lifting device comprising: a mounting frame defining a vertical mounting plane which is mounted parallel against said upright supporting surface; at least one lifting track extending vertically along the mounting frame, said at least one lifting track comprising an inner bearing surface and an outer bearing surface which are supported on the mounting frame so as to be substantially parallel to the upright supporting surface and such that the inner bearing surface faces the upright supporting surface and the outer bearing surface faces away from the upright supporting surface; a carriage supported for movement along said at least one lifting track between a lowered position in which a bottom end of the carriage is adjacent to a bottom end of the mounting frame and a raised position in which the bottom end of the carriage is spaced upwardly from the bottom end of the mounting frame; a lift frame fixed on the carriage for movement therewith along said at least one lifting track, the lift frame extending generally horizontally outward from the bottom end of the carriage so as to be arranged to be received between said at least one wheel track and the ground at a location between the wheels at the opposing ends of the dolly frame in the lowered position; a guide flange extending vertically along the mounting frame and being oriented transversely to the bearing surfaces of said at least one track; an upper track follower supported adjacent a top end of the carriage and being arranged for riding along the inner bearing surface; a lower track follower supported adjacent a bottom end of the carriage and being arranged for riding along the outer bearing surface; a pair of upper guide followers supported adjacent the top end of the carriage and being arranged for riding along opposing sides of the guide flange; and a pair of lower guide followers supported adjacent the bottom end of the carriage and being arranged for riding along the opposing sides of the guide flange.