RETRACTABLE SCREEN SYSTEM PROVIDING A POSITIONING FORCE FOR A MOVABLE SASH

RETRACTABLE SCREEN SYSTEM PROVIDING A POSITIONING FORCE FOR A MOVABLE SASH

A door with a moveable window sash and a method of operating the same. The door includes vertical jambs with vertical channels. A window sash is movable in the vertical channels. A retractable screen assembly is attached to the door. The retractable screen assembly includes a roller, a flexible scre...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GONNERMAN MICHAEL, STRATMOEN TODD N, KIBBEL KEITH, BHARUCHA RASHID DARAYUS, CORY STEVEN EDWARD, GROMOTKA GABRIEL, ALLEN RICHARD
Format: Patent
Sprache:eng
Schlagworte:
DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL
FIXED CONSTRUCTIONS
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES
LADDERS
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Beschreibung
Zusammenfassung:A door with a moveable window sash and a method of operating the same. The door includes vertical jambs with vertical channels. A window sash is movable in the vertical channels. A retractable screen assembly is attached to the door. The retractable screen assembly includes a roller, a flexible screen attached at a first end to the roller and at a second end to the movable window sash, and a biasing mechanism adapted to apply a continuous torque to the roller. The torque generates a positioning force on the window sash equal to at least 50% of the force of gravity acting on a window sash, such that the window sash can be positioned at an infinite number of locations along the vertical channels.