Tilt window with deflection-reducing feature

摘要

A window assembly, comprises a frame and a sash. The frame has a jamb on at least a first side of the frame. The jamb has an inwardly extending flange. The sash is disposed within the frame. The sash has a stile with an outwardly extending flange along at least one portion of the stile adjacent the jamb. The outwardly extending flange is fixed relative to the sash. The outwardly extending flange is slidably movable adjacent to the inwardly extending flange. The sash has a first position in which the stile is substantially prevented from deflecting by the inwardly extending flange. The sash as a second position in which an end of the outwardly extending flange is positioned beyond an end of the inwardly extending flange, allowing the sash to pivot relative to the frame.