Venetian blind system for greenhouses

Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type

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Details

160115, 160172, E06B 938

Patent

active

047398167

ABSTRACT:
A Venetian blind system for the interior of greenhouses having pitched overhead windows and arcuate windows merging into vertical side windows including a first Venetian blind having a head channel secured at the peak of the greenhouse and a bottom channel detachably secured at the lower end of the pitched windows, and slats supported by ladders suspended between the channels, the first blind being provided with springs within the bottom channel to provide tension on forward and rearward legs of the ladders to firmly retain the slats; and a second Venetian blind having a head channel secured to an upper portion of a window frame above the arcuate windows, the slats of the second blind being provided with notches at the ends thereof, and guide rails on each side of the window frame extending from the peak of the greenhouse to the bottom of the lowermost Venetian blind for supporting the slats of the first blind and the notched slats of the second blind. A horizontal sky light installation is also described.

REFERENCES:
patent: 1121022 (1914-12-01), Klassig
patent: 2214539 (1940-09-01), Reinike
patent: 2296010 (1942-09-01), Balthasar
patent: 2299701 (1942-10-01), Michell
patent: 2328305 (1943-08-01), De Stefano
patent: 2471710 (1949-05-01), Adler
patent: 2579485 (1951-12-01), Ferguson et al.
patent: 2654425 (1953-10-01), Hayner
patent: 2662593 (1953-12-01), Walker
patent: 2918121 (1959-12-01), Gibble
patent: 3265117 (1966-08-01), Lorentzen
patent: 3280890 (1966-10-01), Preziosi
patent: 3425479 (1969-02-01), Lorentzen
patent: 3646986 (1972-03-01), Anderle
patent: 3721285 (1973-03-01), Debs
patent: 3818969 (1974-06-01), Debs
patent: 3982355 (1976-09-01), Piercey
patent: 4441540 (1984-04-01), Tsuhako
patent: 4473101 (1984-09-01), Langeler
patent: 4556095 (1985-12-01), Lewis
patent: 4557309 (1985-12-01), Judkins
Levolor Lorentzern, Inc., Chartalog 49-1, "Slats & Accessories", 1973, 1978.
Flexalum, vol. No. 2, Bulletin No. R-13, A-V 1, Jul. 25, 1957 (5 pages).

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