| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the property of preventing spread of smoke to a non-fire area while securing an indoor design property. <P>SOLUTION: The mechanical smoke exhaustion equipment includes: a smoke protection barrier 3 which is rotatably supported by a smokeproof section wall 22 of a ceiling 2 and is movable from a horizontal position to a hanging wall forming position P1 by being rotated downwards with the first rotation support part 30 as the center; and an inclined wall 4 which is arranged adjacently to the smoke protection barrier 3 at the horizontal position, is rotatably supported so as to position a free end 4a facing the smoke protection barrier 3 at the oblique upper part, and is movable from the horizontal position to an inclined position P2 by being rotated upwards with the second rotation support part 40 as the center. <P>COPYRIGHT: (C)2012,JPO&INPIT |
