| 摘要 |
<p>A bellows-type door having sliding wings, comprising a set of folding wings (1) mounted between a pair of opposite guideways (9, 10). Each wing (1) is mounted by means of hinge elements (16, 22) an rollers (6) running along an overhead guideway (9), and by means of hinge elements (17, 22) on a carriage (7) running along a bottom guideway (10).</p> |
