CONVEYORS-NAMELY, FLAT CONVEYORS, TROUGH CONVEYORS, STATIONARY CONVEYORS, MOVABLE CONVEYORS, SWINGING CONVEYORS, TELESCOPING CONVEYORS, CONVEYORS CURVED IN THE HORIZONTAL PLANE, TIPPING TRAY CONVEYORS, CHAIN CONVEYORS, BELT CONVEYORS, HOT MATERIAL CONVEYORS, BUCKET CONVEYORS, SCREW CONVEYORS, CIRCULAR CONVEYORS, LINK BELT CONVEYORS; RECEIVING AND SUPPLY SYSTEMS FOR TRANSPORTING, STORING, RETRIEVING AND DISTRIBUTING, AND CONSISTING OF LINEAR MOTOR DRIVES, CARTS AND/OR FORK LIFTS; MACHINES FOR CONVEYING BULKY ARTICLES IN VERTICAL DIRECTION; BUCKET ELEVATORS; BAG LOADING AND UNLOADING MACHINES, BAG TRANSPORTS FOR PACKING PLANTS; BULK LOADING AND UNLOADING MACHINES; FEEDING, EMPTYING, DISTRIBUTING AND DOSING MACHINES; MACHINES FOR LOADING AND UNLOADING TRUCKS, RAILROAD CARS, CONTAINERS AND SHIPS; BULK LOADING HEADS; PALLET LOADERS, SEMIAUTOMATIC AND AUTOMATIC PALLETIZERS; CELLULAR FEEDERS; SHRINK WRAPPING MACHINES; AND PARTS OF THE FOREGOING