Automatic operator and locking mechanism for a closure

Details Automatic operator and locking mechanism for a closure Automatic operator and locking mechanism for a closure

E - Fixed Constructions

05

F

268/27

E05F 15/10 (2006.01) E05D 15/30 (2006.01) E05F 15/12 (2006.01)

Patent

CA 1199348

ABSTRACT OF THE DISCLOSURE An automatic operator and locking mechanism for a casement window or the like having window locking structure including a movable tie bar which is moved to both lock and unlock the window, a window hinge mounting the window for opening and closing movement, an operator arm operatively connected to the window and a rotatable lead screw connected to the operator arm for movement thereof, planetary gearing having two alternately operable output connections structurally connected one to said tie bar and one to said lead screw, a motor for driving said planetary gearing and a trigger member for sensing the open or closed posi- tion of the window and operable when the window is open to hold the tie bar against movement whereby drive of the planetary gearing causes closing movement of the window.

431835

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