Insulative protective device for rail fastener

Details Insulative protective device for rail fastener Insulative protective device for rail fastener

1985-05-20

1987-01-13

Reeves, Robert B.

Railways: surface track

Rail seats

238338, 238152, E01B 938, E01B 1154

Patent

active

046358463

ABSTRACT:
A rail-support insulating device for electrically insulating rapid transit system rail apparatus from the rail support structure is described. The device includes a layer of electrically non-conductive material forming a boot that encloses the base of the rail where the rail passes over its support. This insulating boot extends upwardly on opposite sides of the rail web and outwardly therefrom to form long surface electrical creepage paths between the rail and the rail support that provide electrical isolation even when the entire assembly of rail, boot and rail support is wet with electrolyte.

REFERENCES:
patent: 833020 (1906-10-01), Bossert
patent: 846901 (1907-03-01), Bossert
patent: 1749857 (1930-03-01), Thompson
patent: 1911238 (1933-05-01), Pelkie
patent: 2670136 (1954-02-01), Moses

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