Mine vehicle trolley pole

Details Mine vehicle trolley pole Mine vehicle trolley pole

1977-09-28

1978-09-26

Blix, Trygve M.

Electricity: transmission to vehicles

Collectors

Trolley

191 66, B60L 512

Patent

active

041163125

ABSTRACT:
It is common practice to provide electrically propelled mine vehicles, such as locomotives, people carriers and shuttle-cars, with solid wooden trolley poles. The lower end of such a pole is mounted on the vehicle and the upper end carries a trolley shoe that slides along an electric power line or trolley wire suspended from the ceiling of the mine. An electric cable connects the shoe with the vehicle propulsion motor. The cable extends down the outside of the trolley pole, to which it is attached by tape or the like, as is also a fuse case.

REFERENCES:
patent: 1479553 (1924-01-01), Parlow
patent: 1867480 (1932-07-01), Tillinghast
patent: 2265018 (1941-12-01), Arnold

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