Movable or removable closures – Facially opposed primary and auxiliary closure for common... – Auxiliary mounted for movement
Patent
1977-11-25
1978-12-19
Kannan, Philip C.
Movable or removable closures
Facially opposed primary and auxiliary closure for common...
Auxiliary mounted for movement
49 61, E05B 6504
Patent
active
041299647
ABSTRACT:
This invention relates to a shield for windows. More particularly, a confronting double frame window is disclosed which provides improved ventilation and weather shielding for light windows especially useful in mild climates. Conventional single pane glass windows used in such climates when in their closed position, rely on a circuitous path at their weather surface between relatively moving parts for excluding ambient weather, especially wind-driven rain. Such conventional windows include sliding windows with their bottoms riding in a U-section channel and louvered windows having parallel and relatively moving panes of glass which move into and out of juxtaposition with each other in providing ventilation. These types of conventional windows are provided with a second overlying continuous and confronting frame mounted glass panel. This glass panel is held, typically within a frame which is spatially mounted at its periphery, to overlie the border of the conventional window. Ventilation access into the building through the window and around the confronting pane of glass is provided by a gap in the critical range of 1.5 to 2.25 inches. Surprisingly, ventilation provided by such a window remains essentially constant in all weather conditions, including calm airs and heavy winds. Moreover, during confronting storms common to many climates, mositure penetration due to syphoning of the circuitous path into the interior of window-guarded dwellings is avoided.
REFERENCES:
patent: 1108613 (1914-08-01), Parker
patent: 1864790 (1932-06-01), Barker
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