Lift truck with laterally movable load support members that is mounted for vertical movement in guide means which serves as a counter-weight for the load

Claim 1

IN A SIDE LIFT TRUCK, A FRAME, FRONT AND REAR WHEELS SUPPORTED BY SAID FRAME, SAID FRAME PROVIDING A SPACE BETWEEN SAID FRONT AND REAR WHEELS OPEN TO ONE SIDE OF SAID TRUCK, A LOAD CARRIAGE MOUNTED FOR VERTICAL MOVEMENT IN SAID SPACE, A PAIR OF LONGITUDINALLY SPACED UPRIGHT ASSEMBLIES, MEANS SECURED TO SAID LOAD CARRIAGE AND ENGAGING SAID UPRIGHT ASSEMBLIES FOR GUIDING SAID LOAD CARRIAGE DURING VERTICAL MOVEMENT THEREOF, SAID PAIR OF UPRIGHT ASSEMBLIES BEING SECURED TO SAID FRAME ON THE SIDE THEREOF OPPOSITE SAID ONE SIDE OF SAID TRUCK, A PAIR OF LIFTING RAMS FOR LIFTING SAID LOAD CARRIAGE, SAID UPRIGHT ASSEMBLIES AND SAID LIFTING RAMS BEING POSITIONED ON EACH SIDE OF SAID LOAD CARRIAGE SO AS TO PROVIDE NO OBSTRUCTION TO SAID LOAD CARRIAGE TRANSVERSELY OF THE TRUCK WHEREBY SAID LOAD CARRIAGE MAY BE OF SUBSTANTIALLY THE WIDTH OF SAID TRUCK, SAID LIFTING RAM BEING FURTHER POSITIONED CENTRALLY OF SAID FRAME TRANSVERSELY OF THE TRUCK WHEREBY TO PROVIDE LIFTING OF SAID CARRIAGE FROM POINTS CENTRALLY OF EACH SIDE THEREOF, A LOAD SUPPORTING MEMBER, MEANS MOUNTING SAID LOAD SUPPORTING MEMBER ON SAID LOAD CARRIAGE FOR VERTICAL MOVEMENT WITH SAID LOAD CARRIAGE AND FOR EXTENDING MOVEMENT RELATIVELY TO SAID LOAD CARRIAGE BEYOND SAID ONE SIDE OF THE TRUCK, AND MEANS FOR EXTENDING SAID LOAD SUPPORTING MEMBER RELATIVELY TO SAID LOAD CARRIAGE.