Rollup door with rollable door leaf

E - Fixed Constructions – 06 – B

Patent

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Details

E06B 9/17 (2006.01) E06B 9/56 (2006.01)

Patent

CA 2516840

A rollup door comprising a door leaf (16) of increasing width from top to bottom and having a narrower part on the top and a wider part on the bottom, and flexibility in the rolling direction; channels for guiding the door; and two modules (10, 22) for rolling and unrolling the door leaf so that a number of leaf layers do not come in contact. The modules are situated on each side of the door, have the same center axes and are successive radially enlarged so that on opening and closing of the door, the narrower and wider parts of the leaf engage the smaller and larger parts respectively of the modules.

L'invention concerne une porte à enroulement comprenant un battant (16) dont la largeur augmente à partir du sommet vers le fond et possédant une partie plus étroite au niveau du sommet et une partie plus large au niveau du fond et une certaine souplesse dans le sens d'enroulement; des canaux permettant de guider la porte; et deux modules (10, 22) permettant d'enrouler et de dérouler le battant de la porte, de manière qu'un nombre défini de couches du battant ne viennent pas en contact. Les modules sont situés sur chaque côté de la porte, ont les mêmes axes centraux et sont élargis de façon radiale et successive, de manière qu'au moment de l'ouverture et de la fermeture de la porte, les parties les plus étroites et larges viennent en contact avec les parties les plus petites et grandes, respectivement, des modules.

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