| 摘要 |
PROBLEM TO BE SOLVED: To provide a crane capable of minimizing the weight of a crane body after dismantling work despite of mounting various types of winches. SOLUTION: This crane is provided with a boom 16 derrickably connected to a revolving superstructure 12, a mast 20 for derricking boom, a winch 30 for derricking boom for driving the boom 16, and a main winding winch 34 and an auxiliary winding winch 36 for hanging loads. The main winding winch 34 and the auxiliary winding winch 36 are installed on the boom 16, and the winch 30 for derricking boom is installed on the mast for derricking boom 20. COPYRIGHT: (C)2008,JPO&INPIT
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