Railway truck bolster friction assembly

Details Railway truck bolster friction assembly Railway truck bolster friction assembly

1989-04-11

1991-01-22

Olszewski, Robert P.

Railway rolling stock

Trucks

Bogie

B61F 512

Patent

active

049861921

ABSTRACT:
A railway truck and more particularly a truck including a variable bias bolster friction assembly having an elongated retention spring which extends preferably between a side frame spring seat and an inner end portion of a downwardly opening spring pocket formed in a rigid friction shoe, the spring pocket extending upwardly therein to provide space for a maximum length retention spring in a variable bias friction assembly.

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