FIELD: agriculture. SUBSTANCE: hothouse has carcass with receptacles, frame mounted on carcass and rotation drive formed as spring. Free end of spring is bent in plane perpendicular to spring axis so that loop is defined. Loop is disposed in one of receptacles. Spring end connected with frame is provided with roll or roller. Spring is made from material with shape memory effect. EFFECT: simplified construction, increased perceptiveness and operating stability. 3 cl, 5 dwg
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| AGRICULTURAL COMPLEX | 1998 |
|
RU2146432C1 |
