B PERFORMING OPERATIONS; TRANSPORTING
B65 CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
67/00 Loading or unloading vehicles
B65G67/02 Loading or unloading land vehicles