Flexible or portable closure – partition – or panel – Plural and/or with rigid closure – Diverse types
Patent
1996-10-29
1999-06-29
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Plural and/or with rigid closure
Diverse types
160 27, 160 99, A47H 100
Patent
active
059154438
ABSTRACT:
The invention herein pertains to a screen for use with a conventional multiple-hung window. In the one embodiment, the window screen can be concealed in the bottom lateral member of the sash frame and unwound as the sash is raised thus providing an automatic window screen. When the sash is closed a spring-loaded axle causes the screen to tightly rewind within the sash cavity.
In the preferred form, an apron is provided below the window stool for housing a screen coil in which a free end is affixed to the bottom lateral member of the lower sash. A pivot bar attached to the lower sash allows the screen to evenly unroll even when the window sash yaws due to uneven pressure thereon or the like during opening and closing.
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