Railroad car vertical isolator pad

Details Railroad car vertical isolator pad Railroad car vertical isolator pad

1990-04-09

1992-01-21

Oberleitner, Robert J.

Railway rolling stock

Trucks

Axle bearing mounting

1052181, B61F 530

Patent

active

050819356

ABSTRACT:
An elastomeric vertical isolator pad for placement between the roller bearing adaptors of railroad cars and the car truck sideframes, the pad being formed of an elastomer having a melting point not lower than 500.degree. Fahrenheit and having a Shore hardness durometer in the range of 50 to 70, the pad being configured to have a base and lower sidewall portions which fit snugly within a pocket on the top of the bearing adaptor, and having upper sidewalls portions extending upward beyond the upper surface of the bearing adaptor to a pad upper surface configured for surface engagement with an overlying part of the truck sideframe, the upper sidewall portions being angled inwardly to the pad upper surface.

REFERENCES:
patent: 2100065 (1937-11-01), Buckwalter
patent: 3638582 (1972-02-01), Beebe
patent: 4363278 (1982-12-01), Mulcahy
patent: 4413569 (1983-11-01), Mulcahy
patent: 4433629 (1984-12-01), Roush
patent: 4830347 (1989-05-01), Langshaw
patent: 4928339 (1990-05-01), Klawe

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