Cutting attachment for use with a moldboard

Claim 1

A CUTTING ATTACHMENT FOR USE WITH A SUBSTANTIALLY VERTICALLY DISPOSED MOLDBOARD THAT COMPRISES A MOUNTING PLATE, A PLURALITY OF VERTICALLY DISPOSED, SPACED APART SUPPORTS ATTACHED TO AND DEPENDING DOWNWARDLY FROM SAID MOUNTING PLATE, A HORIZONTALLY DISPOSED CUTTING BLADE ATTACHED TO AND SUPPORTED BY EACH OF SAID SUPPORTS, SAID MOUNTING PLATE, SAID SUPPORTS AND SAID CUTTING BLADE DEFINING A PLURALITY OF OPENINGS, EACH OF SAID SUPPORTS INCLUDING A REARWARDLY EXTENDING PORTION, A RE-ENTRANT OPENING DEFINED BY EACH OF SAID REARWARDLY EXTENDING PORTIONS AND SAID MOUNTING PLATE IN THE UPPER END OF EACH OF SAID SUPPORTS, AND MEANS FOR ATTACHING SAID MOUNTING PLATE TO THE LOWER FRONT PORTION OF SAID MOLDBOARD, THE LOWER PORTION OF SAID MOLDBOARD EXTENDING INTO EACH OF SAID RE-ENTRANT OPENINGS WHEN SAID MOUNTING PLATE IS CONNECTED TO SAID MOLDBOARD WHEREBY EACH OF SAID REARWARDLY EXTENDING PORTIONS IS CONTIGUOUS TO THE BACK OF SAID MOLDBOARD.