| 摘要 |
PROBLEM TO BE SOLVED: To use a frame for a recessed type apparatus and a system ceiling apparatus in common by providing the frame, which has a nearly square outline and a specified longitudinal dimension appropriate for T-bar and which is arranged so as to cover the periphery of a opening part of the apparatus. SOLUTION: An apparatus main body 1 is provided with a bottom part 1b having a first fitting part 1a provided so as to be installed in a fitting part such as a suspension bolt, a side part 1d in the periphery of the bottom part 1b, a second fitting part 1c for installing a fixture to be installed in the fitting part such as a T-bar, and an opening part 1e opposite to the bottom part 1b. Fitting holes 1a for suspension bolt are provided with a space at about 800 mm. Outline of a frame 2 is formed into a nearly square, and outer dimension in the longitudinal direction is formed 1260-1270 mm, and outer dimension in the short direction is about 244 mm so as to be appropriately suspended from a system ceiling, which is made module at a T-bar intewal of 640 mm. A frame 2 arranged so as to cover the periphery of the opening part 1e of the apparatus main body 1 is appropriate for a type to be embedded in the ceiling. |
