Flexible or portable closure – partition – or panel – Pleating type – Lazy-tong links pivot about axes parallel to panel
Patent
1989-02-06
1990-04-03
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Pleating type
Lazy-tong links pivot about axes parallel to panel
1601782, E06B 938
Patent
active
049132105
ABSTRACT:
An improved cord lock for a window shade is described. The cord lock comprises a molded body member in which are formed first and second cord bearing surfaces and a locking dog support. The cord bearing surfaces are shaped to direct the cords laterally outwardly of the shade member and so that the cords tend to avoid becoming tangled. The locking dogs are arranged such that the cord is secured automatically upon release, thus providing "crash-proof" operation. A shroud formed of a different material than the molded body member encloses its periphery. This provides a particularly attractive appearance for the completed unit.
REFERENCES:
patent: 2172657 (1939-09-01), Haase
patent: 3130776 (1964-04-01), Van Thienen
patent: 4450027 (1984-03-01), Colson
patent: 4603072 (1986-01-01), Colson
patent: 4660612 (1987-02-01), Anderson
1985 Brochure for "Luxaflex" products, in Dutch.
Akins Terry
Colson Wendell B.
Hunter Douglas Inc.
Johnson Blair M.
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