| 摘要 |
<p>The flexible door leaf (1) can be wound onto and off a driven winder roller (5) pivot mounted above the door aperture and along vertical guides (6,20,24) extending along the soffits of the door aperture. The facing vertical side edges of the door leaf have retainer pieces (10,17,22)) spaced vertically apart and enclosed by the guides as far as a gap for the door leaf. The retainer pieces are arranged in pairs at the same level and are detachably joined by belts (8). The belt joining each pair may be held in a pocket (9) open at both sides. The retainer pieces may be connected to the door leaf, through two parallel running pairs, which may have a holding belt (16) between it.</p> |
