Bottom-up/top-down retractable cellular shade

Details Bottom-up/top-down retractable cellular shade Bottom-up/top-down retractable cellular shade

E - Fixed Constructions

06

B

E06B 9/322 (2006.01) E06B 9/262 (2006.01)

Patent

CA 2477582

A covering for an architectural opening includes a head rail, a bottom rail with a take-up roller therein and an intermediate rail with both the intermediate rail and bottom rail suspended from the head rail, a fabric material interconnecting the intermediate rail with the bottom rail and being adapted to be wrapped around the roller in the bottom rail, said fabric including a pair of vertically oriented sheets that are horizontally spaced by a plurality of vertically spaced horizontal vanes with the vanes being movable between open and closed positions by opposite vertical movement of the sheets of material. In a first embodiment a first control system is provided for raising and lowering the bottom rail and a second control system for raising and lowering the intermediate rail as well as tilting the intermediate rail to effect an opening or closing of the vanes. In alternative embodiment, the bottom rail is controlled with a spring balanced system so that it remains in any position in which it is normally set.

Un dispositif de recouvrement pour ouverture architecturale comprend les éléments qui suivent : un caisson, une traverse basse avec un rouleau récepteur et une traverse intermédiaire avec la traverse intermédiaire et la traverse basse suspendues du caisson; un tissu reliant la traverse intermédiaire à la traverse basse et étant adapté pour être enroulé sur le rouleau de la traverse basse. Ledit tissu comprend une paire de tentures orientées verticalement, séparées horizontalement par de multiples lames séparées verticalement, les lames pouvant passer de la position ouverte à la position refermée, par mouvement vertical des tentures. Dans une première version, un premier dispositif de commande permet d'élever ou d'abaisser la traverse basse. Un second dispositif de commande permet d'élever ou d'abaisser la traverse intermédiaire, ainsi que d'incliner la traverse intermédiaire pour ouvrir ou refermer les lames. Dans une autre version, la traverse basse est commandée par un dispositif équilibré par ressort, de sorte que ladite traverse reste dans la position normalement établie.

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