Device with a shutter which may be wound on a drum

Details Device with a shutter which may be wound on a drum Device with a shutter which may be wound on a drum

E - Fixed Constructions

06

B

E06B 9/13 (2006.01) E06B 9/58 (2006.01)

Patent

CA 2676738

The invention relates to a flexible shutter device, designed for closing a bay or other opening which cooperates with drive means which permit a displacement fo the flexible shutter between an open position and a closed position. The device comprises a drum which may turn about the axis thereof and about which the flexible shutter is wound in the open position thereof, forming a roll comprising turns made up of successive layers attaching one to the other and from which the flexible shutter can be unwound and pushed into the closed position thereof. Slides mounted on a fixed support provide guidance along the bay for the unwound part of the flexible shutter. Pressure or restriction elements (33, 50, 66) avoid buckling of the lateral edges (2,3) in the supported part thereof, extending between a first end (30) of the slides (4,5), nearest the roll and the roll.

L' invention se rapporte à un dispositif à volet flexible destiné à la fermeture d'une baie ou d'une autre ouverture coopérant avec des moyens d'entraînement permettant de déplacer le volet flexible entre une position d'ouverture et une position de fermeture. Le dispositif comprend un tambour pouvant tourner autour de son axe et autour duquel le volet flexible est enroulé dans sa position d'ouverture en formant un rouleau constitué de spires formées par des couches successives s' accrochant les unes aux autres et duquel le volet flexible peut être déroulé et poussé vers sa position de fermeture. Des glissières montées sur un support fixe assurent pour le guidage le long de la baie de la partie du volet flexible non enroulée. Des éléments de pression ou de confinement (33, 50, 66) permettent d'éviter le flambage des bords latéraux (2,3) dans leur partie non maintenue, s' étendant entre une première extrémité (30) des glissières (4,5), la plus proche du rouleau, et le rouleau.

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