Railroad frogs

Details Railroad frogs Railroad frogs

1977-03-21

1978-03-28

Blix, Trygve M.

Railway switches and signals

Crossings, frogs, and mates

Flange-supported wheel

246454, 246468, E01B 710

Patent

active

040811620

ABSTRACT:
Wheel loads on the running surfaces of a frog point and its (cast) integral wings are distributed to the ties by a bottom wall boxing in the side walls which support those running surfaces and by strategically located center ribs.

REFERENCES:
patent: 2024566 (1935-12-01), Caruthers
patent: 2346377 (1944-04-01), Houston
patent: 3263076 (1966-07-01), Magnus

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