7 CHAINS, ESPECIALLY CHAINS FOR LIFTING APPARATUS, EXCAVATORS, BUCKET ELEVATORS [ AND CRANE ELEVATORS, ] EXTRACTION CHAINS, PLOW CHAINS, ROLLER CHAINS, [ SPLICE-BAR CHAINS, ] STUD-LINK CHAINS, [ DRIVE CHAINS, ] SCRAPER CHAINS, CONVEYOR CHAINS, [ ORE-CHUTE CHAINS, LANDING CHAINS, ] SPROCKET CHAINS, LINK CHAINS, [ DRIVING CHAINS FOR STATIONARY AND MOBILE MACHINES, NAMELY, CHAIN CONVEYORS, CHAINS FOR CHAIN SAWS AND TRANSMISSION CHAINS, OTHER THAN FOR LAND VEHICLES; ] CHAIN WHEELS BEING PARTS OF MACHINES; [ WINCHES, NAMELY, POWER OPERATED CHAIN JACKS; MACHINES AND APPARATUS FOR THE MANUFACTURE OF CHAINS. NAMELY, ELECTRIC WELDING MACHINES FOR CHAINS AND POWER TOOLS, NAMELY, BURRS; ] CONVEYORS, NAMELY, CHAIN CONVEYORS, [ BELT CONVEYORS, CONVEYORS WITH RUBBER BELTS, TRAILING CONVEYORS, BRAKED CONVEYORS, ] CONTINUOUS CONVEYORS, [ METAL APRON CONVEYORS, CURVED CONVEYORS, ] METAL PLATE BAND CONVEYORS, [ RUNNING WHEEL CONVEYORS, SHAKER CONVEYORS, BLOCKING PULLEY CONVEYORS, ] BUCKET ELEVATORS [ AND CONVEYING TUBES ] IN THE NATURE OF CONVEYOR LINES; ENDLESS CHAIN CONVEYORS; [ STRUCTURAL PARTS FOR CONVEYORS; CONVEYOR ACCESSORIES, NAMELY, DRIVE COMPONENTS IN THE NATURE OF GEARS AND ENCLOSED DRIVES FOR INDUSTRIAL MACHINERY; SCRAPERS IN THE NATURE OF EARTH MOVING MACHINES; INSTALLING SCRAPERS IN THE NATURE OF BOX SCRAPERS, RUFFLE PLATES ASSEMBLED TO A CONVEYOR CHAIN BEING PART OF A CONVEYOR; GUIDE RAILS BEING STRUCTURAL PARTS OF CONVEYORS; ] FLIGHT BARS AND SCRAPER BARS BEING STRUCTURAL PARTS OF CONVEYORS [ ; GUIDE TRACK PROFILES FOR CONVEYORS BEING STRUCTURAL PARTS OF CONVEYORS; GUIDE TUBES AND GUIDING CONDUITS BEING STRUCTURAL PARTS OF CONVEYORS; CONVEYOR CHUTES BEING STRUCTURAL PARTS OF CONVEYORS. CONVEYOR COUPLINGS IN THE NATURE OF COUPLINGS FOR MACHINES; CONVEYOR BEARING FRAMEWORK IN THE NATURE OF CONVEYORS; DRIVING MOTORS AND GEARS FOR CONVEYORS AND FOR MINING MACHINES AND EQUIPMENT, NAMELY, MOTORS AND TRANSMISSION GEARS FOR MACHINES AND STRUCTURAL PARTS THEREFOR; STRUCTURAL PARTS OF MACHINES, NAMELY, GUIDE RAILS, GUIDE TRACK PROFILES, GUIDE TUBES AND GUIDE DUCTS FOR MINING MACHINES; UNCOUPLERS BEING PARTS OF CONVEYORS; ENDLESS CHAIN CONVEYORS; FORWARD PULLING CONVEYORS FOR LOADING AREAS, FOR SHAFT STATIONS, SHAFT TOPS, FOR MINE CAR CIRCULATION AND FOR MANEUVERING; POWER LOADERS AND LOADING APPARATUS, ESPECIALLY SCOOP LOADERS AND MOBILE LOADING CONVEYORS, NAMELY, FRONT END LOADERS AND CONVEYORS; MACHINES AND APPARATUS FOR CRUSHING COAL AND OTHER ORES, NAMELY, COAL CRUSHING MACHINES; AXLES, ROLLERS AND WHEELS, ESPECIALLY FOR PLATE BAND CONVEYORS AND FOR METAL APRON CONVEYORS, COUPLINGS, NAMELY, AXLES FOR MACHINES, ROLLER BEARINGS FOR MACHINES; DRIVE COMPONENTS, SCRAPPERS, AND EQUIPMENT FOR CHAINS AND CONVEYORS, NAMELY, CONVEYOR BELTS AND CONVEYOR LINES ]