Railroad frog
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United States of America Patent
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-
May 17, 1994
Grant Date -
N/A
app pub date -
Dec 13, 1991
filing date -
Dec 13, 1991
priority date (Note) -
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Abstract
A railbound manganese frog assembly having ramps and grooves adapted to receive the false flange formed on the rim of a worn railroad car wheel to prevent the flange from impacting components of the frog assembly.
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