Tie plate arrangement for railroad track

Details Tie plate arrangement for railroad track Tie plate arrangement for railroad track

1977-12-19

1979-05-22

Paperner, L. J.

Railways: surface track

Tie-plates

238280, 238304, 238306, 238307, E01B 940

Patent

active

041555074

ABSTRACT:
A tie plate for mounting railroad track rails on track ties in which the tie plate is formed from a corrosion resistant resilient polymer of dry self-lubricating characteristics, in which the tie plate has its upper side shaped to define along either side of the plate bearing surface to be engaged by the rail base a pair of flexible ridges each defining a flexible lip, with such lips opposing each other and terminating in a marginal edge projecting over the tie plate bearing surface. The tie plate ridges each define under their respective lips an upstanding side wall, which side walls oppose each other and are spaced apart and of a height to closely receive the rail base side edges therebetween when the rail is applied to the tie plate. The tie plate ridge lips each define on their upwardly facing sides a cam surface arcing downwardly from the crest of same to the respective lip marginal edges, with the respective lip marginal edges being spaced apart for snap fitting of the rail base between same for effecting seating of the rail base against the tie plate bearing surface. The underside of the tie plate is serrated for biting engagement with the tie as well as providing for aereation of same under the plate. In alternate forms, a separate brace plate extends across the tie plate for engagement with the sides of the tie to eliminate the need for rail anchors.

REFERENCES:
patent: 2094279 (1937-09-01), Moses
patent: 2867384 (1959-01-01), Toulmin, Jr.
patent: 2996256 (1961-08-01), Moses
patent: 3268170 (1966-08-01), Moses
patent: 3358925 (1967-12-01), Pennino et al.
patent: 3544006 (1970-12-01), Pennino

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