Method of mechanized construction for earth wire under-bracing and extendable excavating unit for auger crane
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United States of America Patent
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Oct 19, 2010
Grant Date -
Oct 22, 2009
app pub date -
Oct 10, 2006
filing date -
Dec 21, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of mechanized construction has developed for installing an earth wire under-bracing by using an auger crane and adjustable excavating unit with an auger crane. The extendable excavating unit is mounted to the lower end of an auger shaft of the auger crane and excavation teeth extendable and retractable are mounted to the excavating unit, thereby allowing excavation of a burial hole suitable to the size of the earth wire under-bracing. Whether it is needed to bury the earth wire under-bracing having a larger diameter than the diameter of excavation existing on the auger crane, or bury small-sized earth wire under-bracing, a method for mechanized construction of the earth wire under-bracing is enabled without difficulty by using an auger crane and adjustable excavating unit.
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