Flexible or portable closure – partition – or panel – Pleating type – Lazy-tong links pivot about axes parallel to panel
Patent
1990-10-26
1992-05-05
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Pleating type
Lazy-tong links pivot about axes parallel to panel
160330, 1601782, E06B 906
Patent
active
051099080
ABSTRACT:
A curtain assembly in which vertical sections of a curtain may be individually adjusted is provided with a curtain having a plurality of attached strings extending along the height of the curtain. Each string defines a boundary of at least one corresponding vertical section of the curtain. The curtain hangs from an elongate support member of rectangular cross section having a plurality of first rollers mounted therein. Each of the first rollers operatively cooperates with a corresponding one of the strings. A second roller mounted adjacent an end of the support member operatively cooperates with all of the strings. A plurality of string control members, each operatively connected with a corresponding string, are used for holding and releasing the strings. By selectively operating the corresponding strings, a user can adjust individual vertical sections of the curtain such that the curtain can be wholly or partially raised or lowered as desired.
REFERENCES:
patent: 2310014 (1943-02-01), Apfel
patent: 2357911 (1944-09-01), Schaefer
patent: 3777800 (1973-12-01), Susoev
patent: 3952788 (1976-04-01), Scholer
patent: 4501311 (1985-02-01), Folland
patent: 4877075 (1989-10-01), Markowitz
patent: 4921032 (1990-05-01), May
patent: 4928743 (1990-05-01), Wojtysiak
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