The present invention relates to a crane comprising a main boom and a rearwardly directed derrick boom for bracing the main boom, wherein a suspended ballast is directly or indirectly attached to the derrick head via connecting means, wherein at least one luffable, rearwardly aligned ballast adjusting boom is provided, which acts on the connecting means and influences the suspended ballast radius by its luffing angle.
Crane with adjustable suspended ballast
2023-02-14
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |
FOLDING SUSPENDED BALLAST GUIDE FOR A CRANE AND CRANE HAVING A FOLDING SUSPENDED BALLAST GUIDE
Europäisches Patentamt | 2019
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