Operator for casement type window

Details Operator for casement type window Operator for casement type window

E - Fixed Constructions

05

F

E05F 11/24 (2006.01)

Patent

CA 2479176

The operator comprises a housing ending in a flange and provided with a turret incorporating a stepped bore for locating a worm shaft of a drive mechanism. A first seal is disposed between the worm shaft and the stepped bore. A second seal is interposed between the flange and a frame of a window. An interconnecting mechanism including worm arms driven by the worth shaft comprises a pair of worm arms followed by a pair of links. The former and the latter are provided with male and female ends using, respectively, a calotte of a sphere complemented by a spherical shaped recess. Thus, pivotal joints between the pair of worm arms and the pair of links are formed.

Opérateur comprenant un boîtier qui se termine en une semelle et pourvu d'un barillet avec un alésage à épaulements pour localiser l'arbre de vis sans fin d'un mécanisme d'entraînement. Un premier joint est placé entre l'arbre de vis sans fin et l'alésage à épaulements. Un second joint est placé entre la semelle et un châssis de fenêtre. Un mécanisme d'interconnexion, comprenant des bras de vis sans fin entraînés par l'arbre de vis sans fin, comporte deux bras de vis sans fin suivis de deux bielles. Les bras de vis sans fin et les bielles sont dotés d'extrémités mâle et femelle qui utilisent, respectivement, la calotte d'une sphère complétée par un creux sphérique. Ainsi, des joints pivotants se forment entre les deux bras de vis sans fin et les deux bielles.

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