machine and machine tool parts, namely, cam drives for internal combustion engines; power transmissions and parts thereof; gears and gear boxes and parts thereof; driving chains; conveying chains; chain clutches; chain couplings; chain racks and pinions; counter weight chains and pinions in combination; speed change drives; speed change gears; chain cases and splash guards; chain tension adjusters; chain guides; chain wheel cutters; chain grinding machines; mortise chains; guide bars and sprocket wheels for use with mortise chains; power transmission chains; chain wheels; flexible couplings; tooth and milling cutter chains; chain guard castings; toothed wheels for chain drivers; toothed wheels for driving chains; block chains; galle chains; polymer and rubber block chains; chain joints; fenders and mudguards for machines; driver chain wheels and chain wheels; chains for runways; escalator chains; wringing nails; conveyor belts; toothed belts and toothed wheels for machines; transmission wheels; chained toothed couplings; sprag clutches; crank couplings; electro-magnetic, mechanical and hydraulic clutches and parts thereof; push-pull remote controls and chain speed transformers; auto-adjusters for chains; roller chains; bushless roller chains; axles for machines; direct drive dog clutches; overriding clutches for machines; shifting clutches for machines; flyback suppressors for machines; inverted tooth type chains gears and wheels; inverted tooth type chains; chain finishers; elastic couplings; torque limiters; conveyors for agricultural and horticultural machinery and parts thereof; plastic chains; plastic roller and bushless chains; plastic conveyor type chains; steel and plastic tabletop and slat band type chains; pine kernels and ratchet for chains; spigot pins; stay bars; roller chains and metal tubing for controlling mechanisms; connecting pins, joints and components for chains; axle pivots; spacer bars; dentent chains; for roller and block chains