Trolley pole
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A trolley pole is a tapered cylindrical pole of wood or metal, used to transfer electricity from a "live" overhead wire to the control and the electric traction motors of a tram or trolley bus. It is
Trolley pole on a Toronto streetcar, tipped with a trolley shoe
Machining spare trolley pole wheels
Trolley pole wheel on Twin City Rapid Transit Company No. 1300
Trolley poles installed on a Škoda 27Tr Solaris trolleybus in Riga, Latvia
Current collector
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A current collector is a device used in trolleybuses, trams, electric locomotives and EMUs to carry electric power from overhead lines, electric third rails, or ground-level power supplies to the elec
Trolley pole
…transfer electricity from a "live" (electrified) overhead wire to the control and the electric traction motors of a tram or trolley bus. It is a type of current collector. The use of overhead wire in a system of current collection is reputed to be the 1880 invention of Frank J. Sprague, but the first working trolley pole…
Modern one-arm "pantograph" collector with double collector shoes
Trolleybuses with trolley-type current collectors, i.e. trolley poles on trolley wires
A bow collector on a small electric locomotive