GARDEN FRAME Russian patent published in 2008 - IPC A01G9/14 

FIELD: growing of farm crops in ground protected from environment and creation of optimum microclimate for plants.

SUBSTANCE: garden frame has carcass made from profiled metal parts connected with one another through screw-type fastening members. Poles are fixed on ground-buried supports. Horizontal longitudinal girders are connected to poles so as to form cells. Inclined and horizontal cross-pieces are connected to each other and to ceiling poles so as to define principal triangular framework. Roof panels of enclosure carry girders. Frame is furnished with pivotal transoms having light-transmitting film covering. Transoms are designed to be opened and fixed in closed position. Transoms pins of rotation are retained on inclined girders. Retainers are located on girders connecting inclined cross-pieces. Each of said inclined cross-piece is made of corner metal profile and consists of two parts with upper and lower arrangement of corner strips.

EFFECT: increased efficiency and enhanced reliability in operation of covering.

2 cl, 12 dwg