| 摘要 |
<p>The invention relates to a curtain device (2) which can be rolled and unrolled between an open position and a closed position, comprising, near the lateral edges (3) on each face thereof, a toothed belt (1, 6), running parallel to said lateral edges (3), each belt (1, 6) having a series of teeth (5, 8). The lateral face of the teeth, which run following the longitudinal direction of the corresponding lateral edge (3) of at least one of the belts (1, 6) provided on one face of the curtain (2), come into contact with a support element when the curtain (2) is rolled up. Said support element is provided on the other face of the curtain (2).</p> |
