Cantilever for supporting live cables of railway, trolley and subway lines
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United States of America Patent
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Jun 17, 2014
Grant Date -
Mar 15, 2012
app pub date -
May 25, 2010
filing date -
May 25, 2009
priority date (Note) -
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Abstract
A cross arm for supporting live railway, trolley and subway lines comprising a cross-member (8) fitted with means of connection to an associable support structure (16), at least a first electric insulator (20) joined to the cross-member (8) and able to support a first live electric cable, electrically insulating it from said cross-member (8). Advantageously, the cross-member (8) comprises a body (24) having a mainly longitudinal (X-X) extension and at least a first attachment portion (28) fitted with a ‘U’ shaped profile able to form a shaped coupling with said first electric insulator (20). The first attachment portion (28) defines a first seat (32) for the continuous adjustment of the longitudinal position of the electric insulator (20) along the cross-member itself.
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