SLITTER Russian patent published in 1997 - IPC

FIELD: agricultural engineering, in particular, cutting erosion-preventive slits in soil. SUBSTANCE: slitter has vertical knife with deforming members positioned on knife sides and adapted to compact slit wall. Knife is formed as flat polygon with cutting edges extending along its perimeter and opening in polygon center. Deforming member mounted in central opening of polygon are formed as spherical disks with mutually faced and joined peripheral edges positioned within central opening. Deforming member may be removed from knife. Each conjugational pair of cutting edges of polygon may be positioned to provide operating position of chisel. Knife side surfaces are provided with mounting openings for receiving any cutting edge in operating position. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 5 dwg