Movable or removable closures – With means mounting closure for reciprocation – With plug – flap – or bridger for meeting rail
Patent
1980-11-24
1983-08-02
Kannan, Philip C.
Movable or removable closures
With means mounting closure for reciprocation
With plug, flap, or bridger for meeting rail
49450, 49458, 292DIG46, E06B 700
Patent
active
043958478
ABSTRACT:
A window construction (20) includes a support frame (22) having a front channel member (52) for receiving a slidable window sash (26), and a rear channel (56) for receiving a fixed window sash (24). Front and rear channels (54) and (56) are divided by a central flange (52). Weatherstrip means (136) are mounted on sashes (24) and (26) to project transversely outwardly from the sashes to press against the adjacent face of support frame central flange (52) and against an adjacent surface of the opposite sash to thereby form an unbroken seal around the entire perimeter of each sash. The support frame 22 also includes a compound shaped mounting flange (32) having a diagonal section (76) extending outwardly and diagonally forwardly from front channel (54), and a perimeter section (78) extending outwardly from the outer edge of the diagonal section (76) to lie in a plane forwardly offset from and substantially parallel to the plane defined by sashes (24) and (26). A latch mechanism (138) is pivotally mounted on slidable sash (24) to extend transversely across the entire width of support frame (22) to engage with portions of the support frame (22) to secure slidable sash (26) in selective open positions or to lock slidable sash (26) in closed position.
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Graybeal John O.
Kannan Philip C.
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