Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Patent
1986-11-18
1989-02-07
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
160236, E06B 930
Patent
active
048025216
ABSTRACT:
An overhead blind in which not only the slats can be tilted, but also all of the slats can be shifted to open and close the blind which further includes a tilting control means and opening-and-closing control means for permitting tilting and opening-and-closing operations to be automatically controlled.
REFERENCES:
patent: 2200349 (1940-05-01), Walker
patent: 2254705 (1941-09-01), Morse
patent: 2276177 (1942-03-01), Flugger
patent: 2481714 (1949-09-01), Bezjian
patent: 3022549 (1962-02-01), Cummings
patent: 3032099 (1962-05-01), Croxen
Nagasawa Hisayoshi
Tsuchida Eiharu
Johnson Blair M.
Kuron Corporation
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