| 摘要 |
PROBLEM TO BE SOLVED: To provide a stacker crane improving carrying efficiency by restraining motive power of a motor lifting lifting stages similarly to a counterweight system. SOLUTION: The lifting stages 3 and 4 lifting along a mast 2 of a stacker crane K are symmetrically installed on both ends of a rope 5. The rope for lifting the two lifting stages 3 and 4 in the mutually opposed direction, is driven by a lifting driving device 6. COPYRIGHT: (C)2007,JPO&INPIT
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