Cutting attachment for rotary mower blades and use

摘要

A new type of removable cutting attachment for a rotary mower blade of a power driving grass mower to improve the cutting ability of the said mower comprising a tubular base having members for removably attachment to a flat mower blade, a C shaped cutting plate having a straight upper edge at the top of the C and a straight edge at the bottom of the C and two substantially semi-circular side edges, the straight edge at the top of the C being fixedly attached to the side of the base, and the straight edge at the bottom of the C forming a sharp cutting edge, a portion of the interior of the cutting plate being removed to permit passaged of cut material.