Reduction gears that lessen gear ratios in automated machines, robots, machine tools, power transmissions, and indexing tables for positioning and rotating work pieces in automated manufacturing of precision products such as semiconductors, condensers, flat display panels, and measuring instruments, but that are not used in or in manufacturing machines that are conveyors or that contain conveyors or that are used in connection with conveyors

Driving units and devices for conveyor systems, composed primarily of actuated conveying rollers with integrated electric motor and non-actuated conveyor rollers, photo sensors, drive belts, belt conveyors or driving chains

Parts and elements of metal working machines, namely, cam-driven indexing table units operated by Computer Numerical Control (CMC) for positioning of workpieces, but that are not used in or in manufacturing machines that are conveyors or that contain conveyors or that are used in connection with conveyors

Cam-driven indexing units and gear-driven indexing units for machines; rotary indexing tables for positioning and rotating work pieces; precision reducers comprised of roller-gear cams and servomotors for metal working machines, for printing and bookbinding machines, for packaging and wrapping machines, for plastic processing machines, for semiconductor manufacturing machines, for measuring machines, and for optical machines; none of the foregoing goods being used in connection with conveyors...