| 摘要 |
PURPOSE:To provide an illumination device for ceiling, with which a lighting fixture can be mounted on a ceiling board with good effectiveness of execution of works upon fixing a lightup device to this lighting fixture. CONSTITUTION:An illumination device for ceiling concened includes a lighting fixture A installed in penetrating a ceiling board 12 and a lightup device 8 to actuate the power supply of lighting fixture 4. Therein one end of the lightup device 8 is fixed to the lighting fixture A with possibility of rotating, and the other end of the lightup device 8 is energized by a spring 9 as rotatable in the direction of contacting the oversurface of the ceiling board 12. The lightup device 8 is inserted through a small embedded hole while taking an erected attitude, and the lighting fixture A is secured to the ceiling board 12 by the energization force of the spring 9. |
