Venetian blind construction

Details Venetian blind construction Venetian blind construction

1978-12-05

1980-04-22

Caun, Peter M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

E06B 930

Patent

active

041990196

ABSTRACT:
A venetian blind construction for the operation of blind slats which are interconnected by supporting elements comprises a housing with a sprocket wheel rotatably mounted in the housing. A sprocket chain defines a tension member for the blind slats and it has one end adapted to be connected to the lowermost slat and it is engaged over the sprocket wheel and is movable by the driving movement of the sprocket wheel to adjust the blind slats. The housing has first and second chain-guiding passage portions and a sprocket portion overlying the sprocket which effect the guidance of the chain toward and away from the sprocket and around the sprocket without permitting any buckling-out of the chain in its movement path.

REFERENCES:
patent: 847143 (1907-03-01), Wyss
patent: 2253843 (1941-08-01), Bruns
patent: 3280891 (1966-10-01), Eldridge, Jr. et al.

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