Static structures (e.g. – buildings) – Window or window sash – sill – mullion – or glazing – Having a drain or vent
Patent
1997-04-15
1998-10-20
Smith, Creighton
Static structures (e.g., buildings)
Window or window sash, sill, mullion, or glazing
Having a drain or vent
52214, E06B 714
Patent
active
058229345
ABSTRACT:
A window or door drain at the base of an extruded window or door sash or frame. A rectangular frame having a peripheral front flange defines a front drain opening for abutment against a wall of the sash or frame in which a flap having a planar rear surface and a front surface is pivotally mounted for opening and closing the drain opening, the flap having upper and lower edges and side edges, and the flap upper edge being rounded with cylindrical lug extensions of the upper edge extending laterally of the flap side edges for insertion into round mating holes in side walls of the frame in proximity to the top wall of the frame. The flap pivots from a closed position on a diagonal rear wall upwardly to an open position adjacent the frame top wall in the front drain opening. The flap has a guide protrusion in each side edge for centering the flap during pivoting in the drain opening and the planar flap has a protrusion in the front surface adjacent the distal lower edge thereof for abutment against the frame top wall, whereby the flap is substantially unimpeded by surface tension when pivoted to an open position.
REFERENCES:
patent: 1919367 (1933-07-01), Hamm et al.
patent: 3314201 (1967-04-01), Riegelman
patent: 3555736 (1971-01-01), Koch, Jr. et al.
patent: 4112645 (1978-09-01), Greenfield
patent: 4512125 (1985-04-01), Eriksson et al.
patent: 4691487 (1987-09-01), Kessler
patent: 5044121 (1991-09-01), Harbom et al.
Edwards W. Glenn
Fors Arne I.
Smith Creighton
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