| 摘要 |
PURPOSE: To uniformly impart loads and prevent a fine appearance in design from being impaired by a method wherein a second engaging fitting is projected from a ceiling surface and a rail member is engaged with the fitting, and a first engaging fitting is engaged with the rail member and a hanger is fixed to the rail member so that a ceiling grille is fixed to the hanger. CONSTITUTION: A hang bolt is suspended from a ceiling surface. And a hanger 3 is fixed to the lower end of the hang bolt. Next, a hang bolt 18' is suspended from both sides of a lighting fixture and a horizontal piece 10 of a second engaging fitting 9 is fixed to the lower end of the bolt 18' and a vertical piece 11 thereof is projected. And a round bar 15 is forcibly inserted into a circular engaging part 12 and a folded back piece 13 against spring forces thereof. And the bar 15 is adjusted to a predetermined location and the piece 13 is fixed to the bar 15 by means of a bolt 14 and the fitting 9 is fixed to the bar 15. And the hanger 3 and a fitting 8 which is fixed to the piece 10 beforehand are inserted into the engaging part 12 so as to be secured to the bar 15. As a result, only one kind of engaging fitting is needed so that the cost can be reduced. |
