BUILDING FOR KEEPING ANIMALS Russian patent published in 1995 - IPC

FIELD: agriculture. SUBSTANCE: building has frames for animals disposed in row at the base of stack. Any frame is formed by barrier made of posts and grid-shaped walls fastened onto them longitudinal and lateral. Bar members of the walls are disposed horizontally. Posts are telescopic and have top movable parts in form of screws with gear nuts. Frames are provided with tubular frames with nets fastened rigidly by screws. Gear nuts have drive mechanism. EFFECT: improved efficiency. 4 cl, 13 dwg