Pivotal and adjustable closure vertical rail louver system

Details Pivotal and adjustable closure vertical rail louver system Pivotal and adjustable closure vertical rail louver system

1993-04-12

1994-09-20

Cuomo, Peter M.

Movable or removable closures

Closures interconnected for concurrent movement

Louver-type closures

E05F 1700

Patent

active

053477561

ABSTRACT:
An adjustable closure rail system is provided with a fixed top rail and a fixed bottom rail and a plurality of pivotal louvers mounted therebetween on friction free spindles and bushings. Each said louver is provided with a pivot link mounted in the top end of said louvers and is offset from the spindles or bushings which pivotally mounts said louvers. And a universal link bar is provided for cooperating with each of the pivot links so that pivotal force movement of one of said vertical louvers imparts the same pivotal force motion via said pivot links and said universal link bar to each of said other louvers.

REFERENCES:
patent: 390392 (1888-10-01), Ness
patent: 702148 (1902-06-01), Nettleton
patent: 2026653 (1936-01-01), Raleigh
patent: 2311122 (1943-02-01), Niesner
patent: 2921819 (1960-01-01), Rifkin
patent: 3137043 (1964-06-01), Moeller
patent: 3191241 (1965-06-01), Johnson
patent: 3591980 (1971-07-01), Cheng
patent: 3706165 (1972-12-01), Baldrich
patent: 4744290 (1988-05-01), Josephson
patent: 4996793 (1991-03-01), Mazur

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