Foot support modification for railroad rails

Details Foot support modification for railroad rails Foot support modification for railroad rails

1996-04-03

1997-05-13

Morano, S. Joseph

Railways: surface track

Tie-plates

Rail-base seats

238264, 238304, 238307, E01B 502, E01B 938

Patent

active

056284543

ABSTRACT:
A sole, ribbed or slide chair plate for a foot of a railroad rail provided with two spaced flat bearing surfaces between which is a concave surface allowing for non tipping of the rail when in place if the bottom of the rail has a convex surface and a shim fitting on top of the plate having a top surface composed of two spaced flat bearing surfaces between which is a concave surface.

REFERENCES:
patent: 857781 (1907-06-01), Abbott
patent: 898709 (1908-09-01), Whitbread
patent: 1156754 (1915-10-01), Carney
patent: 1752451 (1930-04-01), Muller
patent: 1834890 (1931-12-01), Bell
patent: 1870440 (1932-01-01), Boyce
patent: 2094335 (1937-04-01), Willard et al.
patent: 2133317 (1938-10-01), Anthonisen
patent: 3496882 (1970-02-01), Campbell et al.
patent: 4155507 (1979-05-01), Chierici et al.
patent: 4971247 (1990-11-01), Harkus

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