TOP CLIPPER Russian patent published in 2006 - IPC A01G23/00 A01G23/02 A01G3/00 

FIELD: forestry and agricultural engineering.

SUBSTANCE: top clipper connected to hitched mechanism with power vehicle comprises bar with clipping tools rotated by drive, frame with guides, and movable columns mounted on carrier wheels and positioned in guides. Columns are retained by means of stops. Sections with clipping tools are mounted on transverse bar for displacement thereon and are retained by stops. Clipping tools are disposed in protective housings and made in the form of disk with toothed cutting edge. Disk cutting edge is defined by trapezium-shaped teeth with sides beveled toward side opposite to direction of rotation of front side and rear side normal to tangent of disk circle. Peripheral parts of teeth have sharpened portions on top side of disk, with teeth angles being formed rounded, and their peripheral part being formed circular with radius constituting 0.5-0.8 deg of disk radius. Said circle is drawn so that it tangentially and internally contacts disk circle from rear side of said tooth. Disk is positioned at an angle of 3-10 deg in relation to cutting plane, with apex of said angle being oriented toward vehicle advancement direction.

EFFECT: increased efficiency in clipping of seedling tops and improved quality of clipping seedling tops.

4 dwg