Railway switching points

Details Railway switching points Railway switching points

1977-06-29

1978-08-08

Blix, Trygve M.

Railway switches and signals

Switches

Sliding

246380, 246392, 246453, 238 45, E01B 708

Patent

active

041051750

ABSTRACT:
The invention relates to a device for a switching point of a railway track, said switching point comprising two movable tongue-rails controlled in such a manner that their ends may be brought in contact with line-rails, or be separated therefrom, by a sliding movement over bearings carried by sleepers, said device being placed in the space between two bearings and comprising a sliding part or piece supporting at least one tongue-rail on a self-lubricating sliding surface, said part or piece being influenced by elastic springs or the like to lift the tongue-rail or rails which it supports with respect to said bearings, in such a manner that said tongue-rail or rails are not in contact with said bearings during the sliding movement of the tongue-rail or rails, but come directly into contact with the bearings under the influence of the load of a railway vehicle passing over said tongue-rail or rails.

REFERENCES:
patent: 752517 (1904-02-01), Carter
patent: 1599733 (1926-09-01), Williams
patent: 3737657 (1973-06-01), Dohse

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