| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a crane that includes a safety against wind with a release function, constituted so that the safety against wind can be released on the occurrence of earthquakes to allow the crane 1 to slide or move in a traveling direction y. <P>SOLUTION: The crane includes the safety against wind including an anchor 11 to be fitted into a fit-in groove 12. The crane 1 includes the safety against wind 10 with the release function. The safety against wind 10 with the release function comprises an anchor coupling member 13 that is coupled to one end of an anchor 11 to suspend the anchor 11, and an anchor holder 8 for restraining horizontal displacement of the anchor 11. On the occurrence of the earthquakes, the anchor 11 suspended by the anchor coupling member 13 is released, the anchor 11 is dropped into the fit-in groove 12 by its own weight, and an upper end of the anchor 11 is positioned lower than a lower end of the anchor holder 8. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
