| 摘要 |
PROBLEM TO BE SOLVED: To provide a ceiling-embedded air restriction port capable of easily mounting and demounting a face to a main body in finish coating of a ceiling board and tentative inspection of duct work without having difficulty in placing the demounted face. SOLUTION: This air restriction port comprises the main body 11 mounted in a state of closing an opening part formed on the ceiling board, and the face 12 mounted on a lower face side of the main body, the face 12 is mounted on the main body 11 through long bolts in a state of being suspended and supported movably between a state of being kept into contact with a lower face of the main body 11 and a state of being separated downward, and a magnetic piece 29 attracted to a lower face of a flange 18 of the main body 11 is mounted on a flange 22 of the face 12. COPYRIGHT: (C)2005,JPO&NCIPI
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