| 摘要 |
PROBLEM TO BE SOLVED: To enable partial and sensitive adjustment of the tension of a curtain body.SOLUTION: A smokeproof curtain 1 provided for a ceiling part a in a nearly suspended manner includes a fixed frame 10 composed to have an almost ring shape, a movable frame 20 engaged with the fixed frame 10 to move outward of the frame, a flexible curtain body 30 secured on the inside of the movable frame 20, and a movable frame pulling means 40 provided between the fixed frame 10 and the movable frame 20 and pulling the fixed frame 10 outward of the frame. |
