Foil roof of a hall, especially of a greenhouse

Details Foil roof of a hall, especially of a greenhouse Foil roof of a hall, especially of a greenhouse

A - Human Necessities

01

G

20/20, 47/6, 135

A01G 9/14 (2006.01) A01G 9/24 (2006.01) E04B 7/16 (2006.01)

Patent

CA 2036250

Abstract Foil roof of a hall, especially of a greenhouse, in the form of a ridge roof or preferably a barrel roof, comprising a plurality of transverse roof girders distanced from each other and spanned by a one- or two-walled foil, wherein for fast opening and closing of the roof respective carriages are arranged on several or all of the transverse roof girders, the carriages being displaceable along the latter and interconnected through a profiled bar to which the foil is affixed at one lateral foil edge while being kept stationary at its opposite lateral edge. For driving the carriages, a pulling train embodied by a belt or rope may be secured to at least one carriage, or to the profiled bar, and may be wound onto, or unwound from, drive pulleys driven by a motor.

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