Railcar coupler knuckle cores and knuckles produced by said cores
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United States of America Patent
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Oct 27, 2015
Grant Date -
Jul 31, 2014
app pub date -
Mar 31, 2014
filing date -
May 20, 2011
priority date (Note) -
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Abstract
A knuckle may include a throat portion having a throat side wall with at least three sections, a first section closest to the knuckle tail, a third section closest to the knuckle pulling face, and a second section between said first and third sections. The wall thickness of said first section may be less than 10% different than the wall thickness of said second section. The throat portion may also include a tail stop side wall with at least three sections, a first section closest to the knuckle tail, a third section closest to the knuckle pulling face, and a second section between said first and third sections. The wall thickness of said first section may be less than 10% different than the wall thickness of said second section.
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