Sight proof, drainable blade louver assembly

Details Sight proof, drainable blade louver assembly Sight proof, drainable blade louver assembly

1989-10-23

1990-09-25

Joyce, Harold

52473, F24F 1308

Patent

active

049585550

ABSTRACT:
A sight proof, drainable blade louver assembly for use in the wall of a building or other enclosure to permit outside air to enter the building, the louver having a plurality of spaced apart blades arranged between spaced apart vertical jambs of a frame in a vertical stack. Each blade has an upwardly inclined first portion and a second portion which is inclined downwardly from the first portion, thus giving each blade the configuration of an inverted V. The leading or free edge of the first portion has a vertical flange which extends upwardly partly to the blade thereabove, and a lip which extends obliquely from the free edge of the vertical flange partly back to the first portion. The free edge of the second flange has a vertical flange which extends downwardly therefrom partly to the blade therebelow. Each blade has a generally C-shaped projection which projects upwardly therefrom, from a location adjacent the juncture of the first and second portions of the blade, partly to the blade thereabove, the C-shaped projection having an opening which faces the inlet of the louver assembly. The jambs have inwardly facing channel portions which are aligned with the lowermost portion of the first portion of the blades for draining trapped liquid therefrom.

REFERENCES:
patent: 3287870 (1966-11-01), Johnson
patent: 3771430 (1973-11-01), Lane
patent: 4064670 (1977-12-01), Lichtenwald
patent: 4310993 (1982-01-01), White
patent: 4452024 (1984-06-01), Sterriker et al.

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