Screen cassette and compatible framing section therefor

摘要

A roll screen cassette is provided for installation in a closure assembly which has a frame for moveably retaining a closure member. The frame includes a header, sill, and vertical jamb sections. At least one of the sections includes a pocket formed within its interior. The pocket having a first predetermined configuration defined by the interior of the section and for receipt of the roll screen. The roll screen including a pair of brackets from which said roll screen is pivotally supported. The pair of brackets having a second predetermined configuration compatible with the pocket of the frame section having the first predetermined configuration. The pair of brackets utilized for removeably retaining the roll screen within the pocket in use. The pair of brackets and roll screen being removeably held in position with respect to the frame only by the pocket having the first predetermined configuration and the pair of brackets having a second predetermined configuration compatible with the pocket and being located in the pocket in use. The compatible shapes of the pair of brackets and the pocket when installed in the frame section cooperate to prevent the pair of brackets from rotating with respect to the pocket and the frame when the roll screen is let out or taken up.