E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
E05F 11/12 (2006.01) E05F 11/16 (2006.01) E05F 11/34 (2006.01)
Patent
CA 2201388
A casement window operator includes a linkage with an extensible arm pivotally connecting to a driven arm mounting to the window frame. An extended end of the driven arm pivotally connects to a link mounting to the sash bracket on the pivoting sash. The extensible arm includes a screw drive member connected to a friction bearing of a cover. Rotation of the screw extends and retracts the cover to lengthen and shorten the extensible arm. The operator includes an actuator with a handle mounted to a first bevel gear intermeshing with a second bevel gear. The bevel gears are mounted in a housing which pivotally rotates as the linkage is actuated. The second bevel gear is coupled to the screw member of the extensible arm.
Kondratuk Michael W.
Sheets Benjamin L.
Wintrone Lavern L.
Robic
Wright Products Corp.
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