Trailer overhead door system
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United States of America Patent
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Nov 8, 2016
Issued Date -
N/A
app pub date -
Apr 7, 2015
filing date -
Apr 25, 2014
priority date (Note) -
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Abstract
A trailer overhead door system for a truck or trailer having a door opening. The trailer overhead door system having a trailer door for enclosing the door opening and a counterbalance system for counterbalancing the trailer door. The counterbalance system including a lifting cable and a return pulley for guiding the lifting cable. The lifting cable attaching between a door top rail, around the return pulley, and back to the counterbalance system.
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