Spring rail frog having bendable rail with modified cross-sectio

Details Spring rail frog having bendable rail with modified cross-sectio Spring rail frog having bendable rail with modified cross-sectio

1996-12-02

1998-07-21

Morano, S. Joseph

Railway switches and signals

Vehicle-energy actuation

Continuous-rail frogs

246391, 246468, E01B 714

Patent

active

057824371

ABSTRACT:
A spring rail frog is disclosed that includes a movable wing rail, a fixed wing rail and a nose rail. The movable wing rail is provided with a bendable portion and a non-bendable portion. The bendable portion can include any or all of a reduced width base portion, a reduced width head portion and an increased width web portion. The height of the movable wing rail can also be smaller in height than the height of the nose rail. A fixing plate can also be provided between a base plate and the movable wing rail to adjust the relative height of the movable wing rail and the nose rail.

REFERENCES:
patent: 217536 (1879-07-01), Jackson
patent: 338177 (1886-03-01), Lovell
patent: 654039 (1900-07-01), Wharton, Jr.
patent: 790994 (1905-05-01), Anderson
patent: 2036198 (1936-04-01), Cooper et al.
patent: 4624428 (1986-11-01), Frank
patent: 5544848 (1996-08-01), Kuhn et al.
patent: 5618013 (1997-04-01), Mugg

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