Method of raising a crane boom
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United States of America Patent
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Aug 8, 2017
Issued Date -
N/A
app pub date -
Oct 29, 2008
filing date -
Oct 29, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method of raising a telescopic boom of a mobile crane having a luffing fly jib and having a spatial boom guying. To be able to raise particularly long luffing fly jib systems together with the telescopic boom here, in accordance with the invention the telescopic boom is first telescoped outwardly to its desired length. In this position, all the telescopic sections are bolted to one another and the spatial guying is tensioned before the raising of the luffing fly jib pivotally connected to the telescopic boom.
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