Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Patent
1980-02-07
1982-04-13
Husar, C. J.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
160178F, E06B 930
Patent
active
043242847
ABSTRACT:
A venetian blind, comprises, a plurality of slats, with a pin extending from either side of each slat and a pair of casings having longitudinal slots for receiving the pins and permitting the longitudinal movement of the slats. The slats are connected by a collapsible ladder support which effects the pivoting of each of the slats as they are extended and retracted. A driven windup shaft is rotatably mounted on the casings and carries a draw member in the form of a chain thereon. An upper carriage part is connected to one end of the draw member. The upper carriage part has a stop surface which is abutable against an end stop to stop the movement of the draw member in one direction. A lower carriage part is slidably connected to the upper carriage part and connected to a lowermost one of the plurality of slats. A compression spring is connected between the upper and lower carriage parts for biasing them apart so that, when the slats are extended to their fullest extent, any overdrive of the windup shaft is absorbed by the spring.
REFERENCES:
patent: 847143 (1907-03-01), Wyss
patent: 3651852 (1972-03-01), Neri
patent: 4199019 (1980-04-01), Frei
Griesser A. G.
Husar C. J.
Lieberman C. S.
LandOfFree
Venetian blind does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Venetian blind, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Venetian blind will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1413662