SUBURBAN GREENHOUSE Russian patent published in 2009 - IPC A01G9/20 

FIELD: agriculture.

SUBSTANCE: greenhouse has a framework manufactured from profile metal elements connected with one another with screw anchoring elements. The greenhouse has posts, horizontal longitudinal beams attached to the posts, oblique and horizontal flooring joists connected with one another as well as with the posts as transverse triangular bents secured on the posts. The upper part of the bents carries roofing panels with transparent films. The greenhouse is equipped with roofing film coating with adjustable area. The coating is made as rolls carrying transparent film. The rolls are mounted with an ability to roll and unroll the film on the ceiling of the greenhose by means of a mechanism equipped with flexible tractional straps. The staps are connected with the elements of the roll structure, reeved through the block mounted inside and outside of the greenhouse and carry counterbalances on the free ends of the handle. The rolls are made as a cylindrical body coupled with pivot bolts on the ends and mounted with a capacity to rotate relative to the pivot bolts with a controlled value of slowdown, to set up tension of the film while unrolling the roll. The film is made with flexible bands attached to it with a sticker to prevent sliding of the roll along the ceiling while reeling the film.

EFFECT: reduced materials consumption of the structure at the same time preserving its reliability, as well as natural ventilation of the greenhouse is ensured and as well as use of rainfall without any hand work of the gardener when watering plants.

3 cl, 9 dwg