Transmission cross arm
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United States of America Patent
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Feb 18, 2014
Grant Date -
Mar 1, 2012
app pub date -
Aug 31, 2010
filing date -
Aug 31, 2010
priority date (Note) -
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Abstract
A cross arm is provided, for use in a support structure for conductors within an electrical grid. The cross arm is made of weather resistant glass fiber reinforced two component polyurethane based polymers and has a “C” cross sectional shape typically arranged in a double configuration. Pairs of the cross arms are attached to utility poles in a parallel position on opposite sides of the utility pole to meet predefined design conditions. Alternatively, a single cross arm may be attached to a utility pole.
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