SI

DRIVERLESS TOW LINE VEHICLES FOR USE IN WAREHOUSES, ON LOADING DOCKS AND THE LIKE

ELECTRICAL CONTROL PANELS FOR OPERATING A MATERIAL HANDING SYSTEM WHICH INCLUDES CONVEYORS AND/OR VEHICLES

CONVEYOR SYSTEMS HAVING TRACKS IN THE FLOOR OR ABOVE THE FLOOR OF A BUILDING FOR MOVING DRIVERLESS VEHICLES BY A CONVEYOR CHINA-TYPE DRIVE OR FRICTION DRIVE; AUTOMATIC, MECHANIZED ORDER AND CONVEYOR SYSTEM CONSISTING OF STORAGE RACKS COMMUNICATING WITH TRANSFER CONVEYORS WHICH COMMUNICATE WITH A MAIN CONVEYOR FOR AFFECTING DISCHARGE FROM THE RACKS AND DELIVERING MERCHANDISE FROM WITHIN A PLANT, WAREHOUSE OR OTHER BUILDING