| 摘要 |
PROBLEM TO BE SOLVED: To provide a crane device for suppressing movement of cargo in a dynamic lift off of lifting the cargo or mounting the cargo to improve positioning accuracy of the suspended cargo and workability. SOLUTION: A jib flexibility correction means 19 for applying a suspended cargo in a direction where a tip part of jib 6 is bent backward, by tension difference generated between a hoisting stay rope 14a and a boom stay rope 11a when the cargo is suspended. COPYRIGHT: (C)2007,JPO&INPIT
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