| 摘要 |
PROBLEM TO BE SOLVED: To provide a point hanging device reducing the cost by miniaturizing the device whole body and easily changing the position to an optional hanging position. SOLUTION: This point hanging device is provided with a box-shaped body 4 having a traveling member 23 for traveling on the upper face of floor grates in the bottom part, a winding drum 5 disposed inside the body 4, and an arm part 6 turnably journaling a base end relative to the body 4, wherein a hanging wire 8 wound around the winding drum 5 is fed to the floor face side S of a stage or is rewound by the operation of a motor 9 with a brake for actuating the winding drum, via the arm part 6. COPYRIGHT: (C)2008,JPO&INPIT
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