| 摘要 |
PROBLEM TO BE SOLVED: To provide a crane device capable of changing the slinging position of a hook slung from a trolley running on a girder by a simple and light-weight structure at low cost. SOLUTION: The crane device 1 is for changing the slinging position of the hook 9 slung from the trolley 7 running on the girder 3. The crane device 1 has a support link 19 pivoted by the trolley 7 at the center, and rotatable in the running direction of the trolley 7 with the pivot 51 as the center of rotation, a hook slinging point 21 at the lower end of the support link 19, and an actuator 42 connected to the support link 19 for rotating the support link 19. COPYRIGHT: (C)2003,JPO
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