Mechanical weeding tool - comprises four radial strips fixed to edges of parallel discs on common shaft

摘要

The rotary ground-cultivation tool is for mechanical weed control. It comprises four or more metal strips fixed to the edges of two or more parallel round discs (3), the latter being mounted on a common shaft (4) passing through their centres The strips extend in the radial direction or at a small angle to it. The discs can be reinforced at their edges where the strips are joined to them.