Window operating mechanism

Details Window operating mechanism Window operating mechanism

E - Fixed Constructions

05

F

E05F 11/34 (2006.01)

Patent

CA 2639733

An operating mechanism which can be used on a right or left opening casement window, includes a crank arm having one end for rotatable connection to one bottom corner of a bottom sash, a row of teeth extending around a major portion of the other end of the crank arm, a worm for rotating the crank arm, and a handle for rotating the worm. By turning the crank arm so that one end of the row of teeth meshes with the worm and connecting the free end of the arm to the appropriate corner of a sash in the open or closed position, the mechanism can be adjusted for a right or left opening window.

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