Load carrying vehicle

Claim 1

A LOAD CARRYING VEHICLE COMPRISING A CHASSIS, A BODY OVERLYING SAID CAHSSIS, BODY ELEVATING MECHANISM COMPRISING A PAIR OF ARMS PIVOTED TO EACH OTHER INTERMEDIATE THE ENDS OF SAID ARMS, SAID ARMS BEING CONNECTED TO SAID BODY AND SAID CHASSIS, A HYDRAULIC RAM INCLUDING A PISTON CONNECTED TO ONE OF SAID ARMS FOR ELEVATING SAID BODY IN PARALLEL RELATION TO SAID CHASSIS, A TRACK SUPPORTED BY SAID BODY, SAID TRACK BEING DISPOSED ABOVE SAID BODY IN SPACED PARALLEL RELATION AND EXTENDING LONGITUDINALLY THEREOF, HOIST MECHANISM SUPPORTED BY SAID TRACK, SAID HOIST MECHANISM INCLUDING A FIRST LOAD CARRYING FRAME AND A SECOND FRAME MOVABLE ALONG SAID TRACK, PULLEYS JOURNALED IN SAID FRAMES, DRUMS, A CABLE TRAINED AROUND SAID PULLEYS AND ATTACHED TO ONE OF SAID DRUMS AND ONE END OF SAID TRACK, SAID ONE DRUM BEING ADAPTED TO WIND AND UNWIND SAID CABLE TO RAISE AND LOWER SAID LOAD CARRYING FRAME, A SECOND CABLE ATTACHED TO SAID LOAD CARRYING FRAME AND TO THE OTHER OF SAID DRUMS FOR MOVING SAID CARRYING FRAME LONGITUDINALLY ON SAID TRACK, A HYDRAULIC MOTOR FOR ROTATING SAID DRUMS, SINGLE PUMPING MEANS FOR SUPPLYING FLUID UNDER PRESSURE TO SAID RAM AND SAID MOTOR, AND VALVE MEANS CONTROLLING FLOW OF FLUID TO SAID MOTOR INDEPENDENTLY OF THE SUPPLY OF FLUID TO SAID RAM.