Cam adjustment device

Details Cam adjustment device Cam adjustment device

E - Fixed Constructions

05

D

108/71

E05D 15/30 (2006.01)

Patent

CA 1303910

ABSTRACT OF DISCLOSURE An improved casement window sash unit includes a pair of track and hinge assemblies, each being secured to one of the upper and lower horizontal window frame members of a window opening in a build- ing. Each track and hinge assembly includes a track having a toggle hinge pivotally and slidably secured thereto and to the sash. The track for each assembly has a pair of elongate longitudinally extending open- ings therein, each accommodating an attachment screw therethrough, each opening being of a size to permit slight longitudinal shifting of the track relative to the window frame. Each track and hinge assembly includes a cam positioned within a cam opening in the track and secured to the track and window frame by an attachment screw. Each cam is selectively shiftable in either direction from a centered posi- tion to slightly shift the track longitudinally of the window frame before the attachment screws are tightened to adjust the position of the hinge rela- tive to the window frame and thereby overcome sash sag.

580473

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