[ MACHINE PARTS FOR CUTTER LOADERS FOR UNDERGROUND MINING, NAMELY, RACKS, PIN WHEELS AND BOXES FOR PIN WHEELS MACHINES ] AND PARTS THEREFOR, NAMELY, MACHINES FOR CUTTING AND/OR CRUSHING SURFACE MINERALS; [ ACTUATING CYLINDERS, ] RANGING AND SLEWING DRIVES, DUAL-PISTON RANGING DRIVES FOR ADJUSTING THE CARRIER ARM (OR MACHINE BODY) FOR RANGING THE CUTTING TOOLS [ ; SIDE BRACKETS, MACHINE TRACKS AND GUIDING STRUCTURES FOR SUPPORTING AND GUIDING WINNING MACHINES AND FOR RECEIVING A FACE CONVEYOR ]