Louver

Details Louver Louver

1988-09-23

1990-05-22

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Plural and/or with rigid closure

Plural strip, slat, or panel assemblies

160218, 2961803, 981212, E06B 348

Patent

active

049269216

ABSTRACT:
A louver for selectively closing flow openings defined therethrough comprising a stationary support grid including a plurality of equidistantly spaced, first rods extending in a first direction to define flow openings therebetween, a movable grid including a plurality of spaced, second rods extending parallel to the first rods and being movable relative to the first rods in a second direction perpendicular to the first direction from a first position in which each of the second rods at least partially overlaps a respective one of the first rods to a second position spaced from said first position by a distance approximately equal to the equidistant spacing between said first rods and a plurality of substantially impermeable, flexible, flat structures each having first and second longitudinal edges and each of which is connected along the entire length of its first edge to one of the first rods and along the entire length of its second edge to a respective second rod that at least partially overlaps said one first rod in the first position. The flat structures have a width that is at least as wide as the width of the equidistant spacing whereby when the second rods are moved to the second position the flat structures close the flow openings.

REFERENCES:
patent: 3411272 (1968-11-01), Carmon

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