Movable or removable closures – Mounted for optional movements – One closure movable separately from or with other closure
Patent
1976-09-08
1977-08-16
Downey, Kenneth
Movable or removable closures
Mounted for optional movements
One closure movable separately from or with other closure
49177, E05D 1550
Patent
active
040416445
ABSTRACT:
At least two identical sidewise swingable panels are pivotally mounted on a movable frame which is adapted to move horizontally on the main frame.
The swingable panels are adapted to cover the entire space defined by the main frame. This construction permits easy cleaning and also orientation to obtain wind ventilation from left or right of a building.
REFERENCES:
patent: 874164 (1907-12-01), Cibulas
patent: 2406513 (1946-08-01), Seitzman
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