Apparatus for servicing the main cable of a suspension bridge
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United States of America Patent
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Jun 30, 2009
Grant Date -
Jul 31, 2008
app pub date -
Jan 30, 2007
filing date -
Jan 30, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A trolley travels in response to rotation of a winch along a main cable of a suspension bridge having a tower and support cables extending along and substantially parallel to the main cable. The trolley includes a support assembly engaged with the support cables, first and second enclosures suspended from the support assembly, each enclosure located at a laterally opposite side of the main cable, and a tugger cable engaged with the winch and connected to the support assembly for pulling the enclosures along the main cable toward the tower and/or allowing the enclosures to move along the main cable away from the tower.
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