Movable or removable closures – With means mounting closure for reciprocation – Interengaging meeting rails
Patent
1978-11-08
1980-05-13
Downey, Kenneth
Movable or removable closures
With means mounting closure for reciprocation
Interengaging meeting rails
49473, E05D 1508
Patent
active
042021375
ABSTRACT:
A pair of rectangular sash, framing glass panes for normally closing an opening in a wall, overlap each other at one end, with one sash slidable horizontally relative to the other to open said opening. Each overlapping end includes a vertical sash rail provided with horizontally spaced inner and outer vertical flanges extending toward the opposite end of the sash that carries those flanges, with all of the flanges disposed between the rails. The inner flanges of the two rails are spaced apart and located between the outer flanges in overlapping engagement with them to interlock the two rails. Disposed in the space between the inner flanges is a pair of vertical weather-sealing strips, each of which is connected to a sash. The strips extend toward each other and into contact to form a weather seal between the rails.
REFERENCES:
patent: 3225393 (1965-12-01), Coller
patent: 3324597 (1967-06-01), Rich
patent: 4064653 (1977-12-01), Randall et al.
Downey Kenneth
Three Rivers Aluminum Company
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