Railway switch heating apparatus

Details Railway switch heating apparatus Railway switch heating apparatus

1995-09-29

1997-12-30

Morano, S. Joseph

Railway switches and signals

Switches

Snow protected

104279, 1262712B, 238 29, 238107, E01B 724

Patent

active

057020744

ABSTRACT:
There is provided a new and useful apparatus for use in a railway switch heating assembly. The apparatus includes a hollow structural member adapted to replace a conventional railway tie and adapted to be connected to a source of heated air, and a mechanism for discharging the heated air from the hollow member to desired locations along the assembly.

REFERENCES:
patent: 1802875 (1931-04-01), Conley
patent: 2051918 (1936-08-01), Thompson, Jr.
patent: 2492177 (1949-12-01), Olsen
patent: 2704517 (1955-08-01), De Gracia
patent: 3425408 (1969-02-01), Vinet
patent: 3536909 (1970-10-01), Czyl
patent: 3697746 (1972-10-01), Patterson et al.
patent: 4081161 (1978-03-01), Upright
patent: 4101700 (1978-07-01), Ray, Jr. et al.
patent: 4674718 (1987-06-01), Bjorklund
patent: 4695017 (1987-09-01), Ringer et al.

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