Metal storage drums, namely, cable drums of metal; ropes, non-electrical, non-electric cables and, non-electrical, non-electric wires of common metal

Parts of machines, namely, brushes and brush apparatuses in the nature of rotary brushes for machines, electric brushes being parts of machines; springs and spring assemblies for spring cable reels consisting of springs being parts of machines; mechanical couplings for machines; cable reel accessories being structural parts of cranes, namely, rotating ceiling mounts, rotating wall mounts, rotary valves, two-way feeds, guide rollers, cable grips, combinations of the aforesaid elements, cable support rollers, cable deflection guides, cable pulling grips, guiding rollers, roller deflection guides, roller deflection guides with or without slack cable and cable pulling devices in the nature of cable pullers, deflection and guide rollers, deflection link chains, deflection flanges, deflection devices in the nature of deflectors; drives for machines, namely, electric drives for motor-driven cable reels; couplings for electric machines

Power, electric and differential switches for electric motors; electric cables and battery and cable jump leads; apparatus and instruments for power distribution or control, namely, electric sockets, slip-rings in the nature of rotating electrical connectors, screw fittings in the nature of electrical connectors with a screw attachment area; electrical terminal boxes, end computer and telephone terminals and distributors in the nature of electrical distribution boxes, distribution transformers, control stations in the nature of electric control panels; electrical temperature controllers; rectifiers; coils, electric; slip-ring systems comprised of current converts, current rectifiers, current transformers, fuses; slip rings in the nature of current transformers, electric current switches, current rectifiers and slip-ring assemblies consisting of current transformers, electric current switches, current rectifiers; cam limit electric and power switches; optical fibers

Heating apparatus for slip-ring assembly housing, namely, heating installations, heating elements, electrical heating cables