Direct support frog assembly

Details Direct support frog assembly Direct support frog assembly

1995-08-17

1996-03-05

Le, Mark T.

Railway switches and signals

Crossings, frogs, and mates

Frogs

246472, 246460, 246463, E01B 700

Patent

active

054960045

ABSTRACT:
A direct support railbound frog having a frog casting clamped between a pair of wing rails and freestanding such that all wheel loads imposed on the frog casting primarily pass directly to the bottom surface of the casting without passing through the wing rails.

REFERENCES:
patent: 871493 (1907-11-01), Einstein
patent: 896154 (1908-08-01), Reinoehl et al.
patent: 900422 (1908-10-01), Rabbe et al.
patent: 1032577 (1912-07-01), Alden
patent: 3755670 (1973-08-01), Dany
patent: 4081162 (1978-03-01), Frank

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