Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Patent
1994-06-30
1996-09-10
Purol, David M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
1601761, 1601782, E06B 930
Patent
active
055536492
ABSTRACT:
A blind apparatus including head box, a bracket for mounting the blind apparatus on a window, a plurality of vertically spaced parallel slats supported by ladder cords connected to a rotary drum located in a head box, a tilter device for tilting the slats and including a tilter input shaft, a tilter for transmitting the rotation of the tilter input shaft to the rotary drum, and a hollow rotating operation rod coupled to the tilter input shaft, slat lifting cords, a stopper device disposed in the head box for restraining the lifting cords from moving, and a stopper releasing cord connected at its one end to the stopper and extended through the interior of the rotating operation rod and the grip at a free end of the operation rod.
REFERENCES:
patent: 3633646 (1972-01-01), Zilver
patent: 4456049 (1984-06-01), Vecchiarelli
patent: 4643238 (1987-02-01), Tachikawa et al.
patent: 5275222 (1994-01-01), Jelic et al.
Chisaka Yukinori
Daizen Masaki
Kataoka Mamoru
Nishino Kimihisa
Okamura Yutaka
Kabushiki Kaisha Nichibei
Purol David M.
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