HAND-HELD TOOL FOR DIGGING OUT OF GROUND AND HARVESTING OF ROOTS, PREFERABLY, POTATO Russian patent published in 2003 - IPC

FIELD: horticulture. SUBSTANCE: tool has additional row of teeth, which are pivotally attached (for restricted rotation) to first row of teeth. Number of teeth in additional row of teeth is greater than number of teeth in additional row of teeth. Width of additional row of teeth exceeds width of first row of teeth. Such construction reduces physical forces applied by operator and, accordingly, reduces fatigue of operator during digging out of roots. It also produces positive effect upon soil vital activity. EFFECT: increased efficiency, enhanced reliability in operation, and effective removal of weeds. 4 dwg