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