ROTARY TILLAGE MACHINE Russian patent published in 2004 - IPC

FIELD: agricultural engineering, in particular, presowing tillage equipment. SUBSTANCE: rotary tillage machine has front and rear batteries mounted on frame and equipped with rotary working tools having immovable shafts. Drive connects rotors having adjustable transmission ratio. Rear battery shaft carries bushing arranged in spaced relation therewith and lever provided with stop. Bushing is connected with bracket and soil feeding restrictor. Bushing is pivotally connected to spring-loaded knife hangers, knife and replaceable rake grid. Rake grid fingers extend beyond knife lower edge. EFFECT: simplified construction and improved quality of soil tillage. 2 cl, 2 dwg