Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Patent
1999-05-24
2000-04-04
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
1601681R, E06B 9327
Patent
active
06044889&
ABSTRACT:
A tension lift device is provided for a Venetian blind which includes a headrail, a plurality of slats, and a bottom rail. The tension lift device includes a first retaining cord extending through each of the slats and having a first end secured in the headrail, and a second end extending through the bottom rail and extending outward from the bottom rail, and a second retaining cord extending through each of the slats and having a first end secured in the headrail, and a second end extending through the bottom rail and extending outward from the bottom rail.
REFERENCES:
patent: 2248775 (1941-07-01), Nottingham
patent: 3465806 (1969-09-01), Sulkes
patent: 4557309 (1985-12-01), Judkins
patent: 4574864 (1986-03-01), Tse
patent: 4678038 (1987-07-01), Clemente
patent: 4825929 (1989-05-01), Haines
patent: 5082043 (1992-01-01), Moreno
patent: 5533559 (1996-07-01), Judkins
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