| 摘要 |
PURPOSE:To enable ceiling equipment including at least a lighting instrument to be assembled previously in a factory or the like so as to be incorporated easily into a ceiling part on the building site. CONSTITUTION:Lighting instruments 20 are fitted to both sides of frame members 11b on two opposed sides forming a square frame 12, and other equipment such as air-conditioning equipment 30 is fitted between both lighting instruments 20. Supporting flanges 13a are protrusively provided at two other opposed sides in the square frame 12, and these supporting flanges 13a are fitted to supporting bars 6a provided across two opposed sides of ceiling bars 6 forming square spaces 7. Equipment including the lighting instrument can be thereby assembled previously in a factory or the like and incorporated easily into a ceiling part on the building site. |
