Revolving door
AssigneePentagon Management Limited
InventorJean-Marie Borelli
Life of this patent
Estimating the term…
Abstract
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 door is characterised in that it comprises a control mechanism acting on the operating sashes (2, 3) for extending or retracting the arc-shaped lateral walls (4, 5, 6) which open or close access to the passages. The door is applicable in particular to passenger traffic in airports.
Claims1
A doorway to make flows cross which have different origins and destinations and which prevents said flows from mixing, the doorway comprising at least two flaps that revolve about a common axis (2, 3) and at least three side walls in arcs of a circle (4, 5, 6) centered on said axis, said side walls being disposed facing at least one access path (7, 8, 30, 31) or outlet path (9, 10, 32, 33) at the periphery of the doorway, said side walls being horizontally extensible in length to close and horizontally retractable in length to open, vertical walls (17, 18, 19, 20) defining said paths between said vertical walls, said side walls being detachably secured to said vertical walls and being horizontally extensible or horizontally retractable along said arcs of a circle, and means selectively to connect and disconnect said side walls to and from said flaps.
Dependencies are inferred from the claim text.