| 摘要 |
PURPOSE:To enable a box-shape equipment aggregate unit, containing lighting equipment and other equipment such as air-conditioning equipment, a speaker, a smoke detector, a sprinkler or an emergency lamp, to be assembled simply in a factory or the like and incorporated easily into an optional position between ceiling panels. CONSTITUTION:Square spaces 7 are formed by plural ceiling bars 6 suspended and held through suspension-holding fittings 4 hung down from a ceiling slab 1. An equipment aggregate unit 10 is fitted to supporting bars 6a provided across the opposed ceiling bars 6, 6 in each square space 7, and ceiling panels 8 are provided across the equipment aggregate unit 10 and the ceiling bars 6. The equipment aggregate unit 10 is formed into box shape containing lighting equipment 20 and other equipment such as air-conditioning equipment 30, a speaker 40, a smoke detector 50, a sprinkler 60 or an emergency lamp 70. |
