Shade arrangement for solar green-houses and the like

Details Shade arrangement for solar green-houses and the like Shade arrangement for solar green-houses and the like

1984-05-23

1986-08-19

Friedman, Carl D.

Static structures (e.g., buildings)

Combined

47 17, 160273R, 160310, E04H 1400

Patent

active

046061576

ABSTRACT:
A solar greenhouse construction is provided in which a glazing is supported by a supporting frame to define an enclosed space. The glazing is permeable to solar radiation. A shade is provided for being drawn across the glazing to intercept the solar radiation. A motor driven roller is connected to one end of the shade to play out the shade or wind the same up. To the other end of the shade is connected a constant force or constant torque device which overcomes friction and keeps the shade stretched out. This device consists of a coiled up spring which is reverse wound onto a roller to which is connected a cable connected to the shade.

REFERENCES:
patent: 3051232 (1962-08-01), Lamb
patent: 3460602 (1969-08-01), Hugus
patent: 3768540 (1973-10-01), McSwain
patent: 4372367 (1983-02-01), Baldanello et al.
patent: 4390054 (1983-06-01), Niibori et al.

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