Railway truck bolster friction assembly
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United States of America Patent
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-
Jan 22, 1991
Grant Date -
N/A
app pub date -
Apr 11, 1989
filing date -
Apr 11, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
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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