| 摘要 |
PURPOSE: To obtain a ceiling structure which simplifies the fitting works of parts of facilities and reduces the number of parts to attach the parts of facilities and further, facilitates exchanging of the parts or changing of the positions. CONSTITUTION: A plurality of support bars 20 with a hat-shaped section composed of the upper side horizontal part 20a horizontally extending, a pair of right and left vertical parts 20b suspending from both sides of the upper horizontal part 20a, and the upper horizontal part 20c in the outside of the lower end of the vertical parts 20b, are provided at every specified interval, at the lower side of the fixing bar 16 held at the cradling receive. The ceiling members 24 are placed on the lower side horizontal parts 20c of the opposite support bars 20 and supported thereon. A hole 20d is formed at the upper side horizontal part 20a of the support bar 20, through which a hanging bolt 28 is extended vertically. The upper end of hanging bolt 28 is fixed with screw in the insert member so embedded in the ceiling structure and the upper face part 26a of a lighting appliance 26 is held through a packing member 32 at the lower end of the hanging bolt 28. |
