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
47/00 Article or material-handling devices associated with conveyors; Methods employing such devices