Device for monitoring motion of a movable closure

E - Fixed Constructions – 06 – B

Patent

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E06B 9/68 (2006.01) E05F 15/10 (2006.01)

Patent

CA 2626845

A device for monitoring motion of a movable closure arranged for travel between limit positions, comprising an absolute position encoder for identifying whether the closure is in one of a plurality of sectors of travel, a relative position encoder for monitoring the speed and relative position of the closure, and a drive means for operatively coupling the relative position encoder and the absolute position encoder to the closure, such that there is a fixed relationship between motion of the closure and movement of both encoders, wherein the absolute position encoder features an adjustment assembly comprising a first element and a second element, the first element being selectively adjustable in position relative to the second element to adjust the absolute position encoder without movement of the drive means or the relative position encoder.

L~invention concerne un dispositif de contrôle du mouvement d~une fermeture mobile conçue pour effectuer une course entre des positions limites, ce dispositif comprenant un codeur de position absolue servant à identifier si la fermeture occupe un secteur parmi une pluralité de secteurs de course ; un codeur de position relative servant à contrôler la vitesse et la position relative de la fermeture ; et un moyen d~entraînement servant à réaliser le couplage fonctionnel du codeur de position absolue et du codeur de position relative à la fermeture, de façon à établir une relation fixe entre le mouvement de la fermeture et le mouvement des deux codeurs. Le dispositif de l~invention est caractérisé en ce que le codeur de position absolue comprend un ensemble de réglage comportant un premier élément et un deuxième élément, la position du premier élément par rapport à celle du deuxième élément étant réglable de façon sélective afin de permettre le réglage du codeur de position absolue sans nécessiter le mouvement du moyen d~entraînement ni du codeur de position relative.

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