Crane comprising a telescopic jib, a cable winch and a regulating device
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United States of America Patent
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Issued Date -
Feb 17, 2005
app pub date -
Aug 13, 2004
filing date -
Aug 14, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A crane comprising a telescopic, in particular articulated jib, a cable winch and a direction-changing roller arranged at the tip of the jib for a lifting cable from which a load-carrier means, for example a hook, is suspended, and a regulating device for synchronizing the rotary movement of the cable winch with the telescopic or articulation movements of the jib, wherein the crane (1) has a measuring device (14) for detecting the position and the speed of revolution respectively of the direction-changing roller (4).
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