The jib direction (X4) is shifted with respect to the mast direction (Z2) parallel to the hinge axis (Y24). A distance between the hinge axis (Y24) and the lower limit (4.12) is greater than 75% of the height (H4.1) of the first jib section (4.1).
Automatic unfolding and folding tower crane comprising a mast and a jib shifted with respect to the mast
2020-03-03
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |
Europäisches Patentamt | 2017
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