Crane, in particular derrick crane
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United States of America Patent
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Feb 13, 2018
Issued Date -
N/A
app pub date -
Aug 31, 2015
filing date -
Sep 29, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present disclosure relates to a crane having a travelable undercarriage and a superstructure which is rotatably supported thereon, to which a boom is luffably connected in an articulated manner, on the one hand, and a counterweight arrangement is telescopically supported, on the other hand. In accordance with the present disclosure, the counterweight arrangement comprises a U-shaped frame in which a likewise U-shaped counterweight frame is telescopically guided. The counterweight plates forming the counterweight are separated into two stacks which are each longitudinally displaceably guided on a side member.
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