Railroad car vertical isolator pad
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United States of America Patent
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-
Jan 21, 1992
Grant Date -
N/A
app pub date -
Apr 9, 1990
filing date -
Apr 9, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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