Louver curtain

Details Louver curtain Louver curtain

1992-09-18

1993-10-05

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

1601761, 160900, E06B 936

Patent

active

052496171

ABSTRACT:
The louver curtain has a plurality of sliding elements (3) displaceably guided in a curtain rail (1). For displacing and swivelling the curtain louvers (4), the sliding elements each have a worm drive with a toothed gear (31). The toothed gears (31) mate with a sprocket chain (2) guided in the curtain rail (1). Preferably, the sprocket chain is a bridged-string chain, in which the bridges (24) have teeth (21) arranged on a broadside and projecting laterally, said teeth mating with the toothed gears (31). The bridges (21) are injected by injection molding onto flexible stranded steel cords (23). The louver curtain is motorizable and characterized by noiseless function combined with little friction.

REFERENCES:
patent: 2605825 (1952-08-01), Armstrong
patent: 3299943 (1967-01-01), Poe
patent: 3500896 (1970-03-01), Endou
patent: 4102381 (1978-07-01), Bratschi
patent: 4425955 (1984-01-01), Kaucic
patent: 4552195 (1985-11-01), Durig et al.
patent: 4683935 (1987-08-01), Arquati

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