Multipoint locking mechanism for window sash

Details Multipoint locking mechanism for window sash Multipoint locking mechanism for window sash

E - Fixed Constructions

05

C

E05C 9/02 (2006.01)

Patent

CA 2706692

A method for locking a window sash in a closed position to a window frame, comprises providing a slider portion translating longitudinally on a window frame and supporting a cam wedge comprising at least one flat ramped portion obliquely positioned with respect to the translation direction of the slider portion. The flat ramped portion is aligned with a corresponding keeper portion on the window sash by moving the window sash to the closed position. The flat ramped portion is brought toward the corresponding keeper portion until contact. The corresponding keeper portion is moved along the flat ramped portion. A displacement of the window sash is prevented by having the corresponding keeper portion lock with the slider portion beyond the flat ramped portion.

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