A lifting unit includes a jib foot forming a proximal part of a jib in a service configuration, a counter jib supporting a balancing ballast, a securing part between the jib foot and the counter jib to secure the lifting unit to a mast, and a cylinder connected to the jib foot such that the jib foot is movable between a lowered position and a lifted position. A second cylinder is connected to the securing part.
LIFTING UNIT, LUFFING JIB CRANE COMPRISING SUCH A LIFTING UNIT AND METHOD FOR ASSEMBLING SUCH A CRANE
2019-01-10
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
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