GREENHOUSE Russian patent published in 1999 - IPC

FIELD: agriculture, in particular, garden hothouse for growing vegetables, flowers etc. SUBSTANCE: greenhouse has sectioned carcass with end walls, double-pitch roof with at least one triangular fixed frame, side double-pitch walls positioned at obtuse angle relative to pitches of double-pitch roof, door, light-transmitting covering, angular supporting side members whose lower strip is faced outside and positioned at obtuse angle to other strip. Roof pitches are pivotally connected one with another so as to define inner angle of 110-119 deg upon assembling. Fixed frame with center of gravity at its top is connected by lock joint with roof ridge. Angle between strips of each side member is 102-108 deg and inner angle at base of each side wall is 80-86 deg. Inner angle between pitches of each side wall is equal to inner angle between roof pitch and upper pitch of side wall and makes 153-157 deg. Length L of greenhouse is (815xN) + 50 mm, where 815 is length of one section, mm; N is number of sections; 50 is allowance for increased length of greenhouse as compared to predetermined value, mm. Door is mounted on one end wall for moving along it. EFFECT: simplified construction and assembly, improved operating characteristics. 4 cl, 3 dwg