Screen assembly

Details Screen assembly Screen assembly

1989-11-06

1991-03-19

Kannan, Philip C.

Movable or removable closures

Closures interconnected for concurrent movement

Louver-type closures

49 86, 49 89, E05F 1700

Patent

active

049999486

ABSTRACT:
A louvre screen or blind comprising a number of blades located in side by side parallel relationship extending between two spaced apart framework members. The louvre blades are mounted so as to be capable of pivoting about their respective lengthwise extending axes by a fixed fastening means at their collective one ends and fastening means with selectively adjustable tension at the collective other ends. The selectively adjustable tension fastening means and the fixed fastening means co-operating to maintain the blades in tension so that the blades are capable of resisting deformation of the blades from their parallel position in use.

REFERENCES:
patent: 369484 (1887-09-01), Urich
patent: 1876850 (1932-09-01), Burgess
patent: 1919677 (1933-07-01), Young
patent: 2165669 (1939-07-01), Wade
patent: 2520273 (1950-08-01), Bopp et al.
patent: 2733486 (1956-02-01), Peeples
patent: 2758345 (1956-08-01), White
patent: 3211264 (1965-10-01), Streeter, Jr.
patent: 3741102 (1973-06-01), Kaiser
patent: 4449563 (1984-05-01), Toda et al.
patent: 4818590 (1989-04-01), Prince et al.

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