Window covering control apparatus and window covering assembly

Details Window covering control apparatus and window covering assembly Window covering control apparatus and window covering assembly

1992-07-10

1993-12-07

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

1601761, E06B 926

Patent

active

052675980

ABSTRACT:
A control apparatus for a window covering having a head rail from which the window covering is suspended, having a rotatable control shaft along the length of the head rail, attachment drum bodies on the shaft at spaced intervals for attachment of the suspension cords, openings in the drum bodies for receiving the cords, a slot formed along the drum bodies by which they may be positioned on the control shaft, and a window covering incorporating such a control apparatus.

REFERENCES:
patent: 3269453 (1966-08-01), Vecchiarelli et al.
patent: 3333905 (1967-08-01), Hennequin
patent: 3425479 (1969-02-01), Lorentzen
patent: 3828838 (1974-08-01), Anderle
patent: 4406319 (1983-09-01), McNiel
patent: 4487243 (1984-12-01), Debs
patent: 4494593 (1985-01-01), Fiedler, Jr.
patent: 4621673 (1986-11-01), Georgopoulos
patent: 4628979 (1986-12-01), Hsu
patent: 4643238 (1987-02-01), Tachikawa
patent: 4697629 (1987-10-01), Anderson
patent: 4821789 (1989-04-01), Van Rens
patent: 4875516 (1989-10-01), Marocco
patent: 5139073 (1992-08-01), Ophdahl et al.

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