| 摘要 |
PROBLEM TO BE SOLVED: To simply set a descent stopping position to respective elevation devices, by which, an elevation part enabled to elevate to which, a lighting device is mounted, is automatically stopped to descend when it is descending. SOLUTION: The elevation device, having an elevation part 2 to which, a lighting device 9 is detachment freely mounted, comprises an elevation device body 1 fixed to a ceiling, and the elevation part 2 wound up and down by a motor 3 mounted to the elevation device body 1. A stopping position setting part 13 setting a descent stopping position where the elevation part 2 is made to automatically stop its descending movement when descending, is mounted to the elevation part 2. By the above, the setting of the descent stopping position, where the elevation part 2 is made to automatically stop its descending movement when descending, is simply carried out for every elevation devices respectively without laying complicated wiring between a control board mounted to a wall surface or the like. |
