| 摘要 |
<p>The invention concerns a revolving door (1) comprising at least two operating sashes (2, 3) and at least three arc-shaped side walls (4, 5, 6 ), arranged opposite one or several entrance passages (7, 8) or exit passages (9, 10) at the drum periphery. The invention is characterised in that it comprises control means acting on the operating sashes (2, 3) for extending or retracting said arc-shaped lateral walls (4, 5, 6) which open or close access to the passages. The invention is applicable in particular to passenger traffic in airports.</p> |
