Method for maintenance of overhead line plants for telecommunications
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United States of America Patent
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-
Aug 10, 2004
Grant Date -
Aug 7, 2003
app pub date -
Oct 15, 2002
filing date -
Apr 14, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method or the realisation and the maintenance of overhead line plants for telecommunications, in which the anchor or 'mooring' device of the self-gripping two-way supports of the cables, is made integral with a movable structure free to move along the supporting post. The structure includes a chain allowing lowering of the line from span level to ground level, and its successive lifting to the predetermined operative height at the end of the maintenance intervention. The lowering of the line to the ground level is achieved by exploiting the gravity force acting on the line itself, and the successive lifting, by pulling this anchor chain. The movable structures are provided according to different configurations, depending on the characteristics of the posts where these structures are used.
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Cited Art Landscape
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