Galvanized upper coupler assembly
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United States of America Patent
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Feb 28, 2017
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N/A
app pub date -
Feb 12, 2015
filing date -
Feb 13, 2014
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Abstract
A trailer coupler assembly includes a grid assembly having a plate and a channel formed on the plate. A kingpin is received in the channel and is positioned to extend below a bottom surface of the plate. The channel is galvanized. A method of making a coupler assembly comprises the steps of providing a grid assembly having a channel, galvanizing the channel, and covering the channel.
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