| 摘要 |
PURPOSE:To easily join the frame of a facing panel to the joint area on the front panel of a ceiling, by forming a oblong holes of circular arcs, centering the middle part of a frame, on the frame of a facing panel as fitting holes to a ventilator body, and by rotatably constituting the frame of a facing panel to the ventilator body. CONSTITUTION:A ventilator body 1 is hung, determining an approximate position of it on the ceiling, and is fixed by bolts 9 to the upper structure 8 of a ceiling, and then piping and wiring for it is taken place. The sides of the frame 11 of a facing panel 2 can be very easily and correctly joined to the joint area on the front panel of a ceiling 6 by pivotally revolving the frame 11 of a facing panel along the fitting holes 15 and 16 which are oblong holes of circular arcs provided on the frame 11. Then a facing panel body 12 is fitted in the frame 11 by fitting pins 18 by piercing them into the fitting holes 19 of a panel body 12 and fitting positions on the frame 11. |
