Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Patent
1989-06-28
1990-08-07
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
E06B 938
Patent
active
049459708
ABSTRACT:
A cord lock unit is provided for use in a drape assembly having vertically movable drapes or in a horizontal blind assembly having a plurality of horizontal blind slats suspended from a header unit for vertical movement. Such assemblies comprise a pair of spaced apart pull cords for moving such drapes or blind slats vertically. The cord lock unit is designed so that it can be inserted into an opening in a header unit of such an assembly. Such a cord lock unit comprises a first portion larger than the opening in the header rail and a second portion secured to the first portion and dimensioned so as to be insertable through such opening. The unit also comprises resilient engagement means adapted to be deflected during insertion of the second portion to permit such insertion and resiliently to return to a position after such insertion so as then to retain the cord lock unit in position within the opening.
REFERENCES:
patent: 2449583 (1948-09-01), Burns
patent: 2480993 (1949-09-01), Adler
patent: 2529229 (1950-11-01), Sherwood
patent: 2587752 (1952-03-01), Nelson
patent: 2731111 (1956-01-01), Lorentzen
patent: 2781091 (1957-02-01), Loucony
patent: 2781836 (1957-02-01), Bennett
patent: 2786551 (1957-03-01), Bennett
patent: 3221802 (1965-12-01), Hurkmans
patent: 4487243 (1984-12-01), Debs
patent: 4531563 (1985-07-01), Nilsson
patent: 4667723 (1987-05-01), Spangenberg
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