Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Patent
1996-07-23
1997-06-17
Purol, David M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
E06B 926
Patent
active
056388829
ABSTRACT:
A venetian blind ladder carrier mechanism for connecting the slat support ladders of a venetian blind to a tilt rod. The ladder carrier mechanism includes a drive member connected to the tilt rod for turning with the tilt rod and, first and second carrier members supported for turning relative to the drive members and relative to each other about a the axis of the tilt rod. The first and second carrier members have respective first and second ladder supports spaced outwardly from the axis of the tilt rod and connected to respective ones of the side strips of the ladder. The drive member is arranged to drive the first carrier member in a first angular direction when the drive member is rotated in the first angular direction by the tilt rod to lift one of the side strips of the ladder and the drive member is arranged to drive the second carrier member in a second angular direction when the drive member is rotated in the second angular direction by the tilt rod and raise the other side strip of the ladder.
REFERENCES:
patent: 3918513 (1975-11-01), Englund et al.
patent: 4494593 (1985-01-01), Fidler, Jr.
patent: 4697629 (1987-10-01), Anderson
patent: 5341865 (1994-08-01), Fraser et al.
Purol David M.
Springs Window Fashions Division, Inc.
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