Flexible or portable closure – partition – or panel – Plural and/or with rigid closure – Diverse types
Patent
1988-02-29
1989-09-05
Britts, Ramon S.
Flexible or portable closure, partition, or panel
Plural and/or with rigid closure
Diverse types
160 27, 160120, A47H 100
Patent
active
048629421
ABSTRACT:
A window screen is attached to a sliding sash and to the sill. Fixed to the screen are two or more vertical bands of coil spring material. Thus when the sash is closed the springs cause the screen to coil tightly. As the sash is raised, the screen is uncoiled so that it covers the opening but remains taut. The coil may be located at the middle of opening or at the top. A housing integral with the sash end of the screen or surrounding the spring coil protects the coil from weather and debris.
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Britts Ramon S.
Caplan Julian
Purol David M.
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