DISK HOE Russian patent published in 2006 - IPC A01B23/06 A01B35/20 

FIELD: agricultural engineering; soil-tilling implements.

SUBSTANCE: proposed hoe is made in form of spherical disk installed with convex upwards and secured on bracket arranged in center of disk. Disk is provided with toothed contour. Length of tooth is 0.1-0.3 of disk radius, and ratio of width of tooth space measured along chord of arc passing through middle part of tooth along its length to width of tooth is 0.8-1.6. Ring of toothed part and part of disk adjoining toothed part is made conical. Diameter of disk over ends of teeth is less than radius of disk sphere. Teeth are made asymmetrical, with short side ribs arranged radially and long ribs arranged tangentially.

EFFECT: reduced draft resistance, provision of self-cleaning of hoe from plant residues.

3 cl, 3 dwg