Cultivator tool

Claim 1

IN A POWER DRIVEN CULTIVATOR INCLUDING A ROTARY WORKING TOOL AND POWER MEANS TO PROPEL THE TOOL OVER THE GROUND WITH ITS LONG AXIS NORMAL TO THE DIRECTION OF TRAVEL, (A) A MAIN HOUSING FOR THE TOOL GENERALLY SEMICYLINDRICAL IN SHAPE WITH ITS OPEN SIDE DOWNWARDS, (B) END PLATES ON THE HOUSING EACH HAVING A SHAFT OPENING THEREIN, (C) WEAR PLATES FITTING WITHIN THE HOUSING ADJACENT THE END PLATES, (D) A HORIZONTAL BLADE SHAFT MOUNTED IN THE HOUSING AND EXTENDING THROUGH THE WEAR PLATES AND THE END PLATES OUTWARDLY OF THE HOUSING, (E) MEANS TO ROTATE THE BLADE SHAFT IN A DIRECTION COUNTER TO THE DIRECTION THE TOOL IS BEING PROPELLED OVER THE GROUND, (F) BLADE MOUNTING LUGS MOUNTED ON AND ARRANGED SPIRALLY ALONG THE SHAFT WITHIN THE HOUSING, (G) A PLURALITY OF FLAT, RELATIVELY HEAVY GAUGE, STRAIGHT EDGED BLADES MOUNTED ON THE LUGS IN LATERALLY OVERLAPPED RELATION TO EACH OTHER WITH THE EDGES OF EACH BLADE AT A SLIGHT ANGLE TO THE LONG AXIS OF THE HOUSING, (H) A SLINGER RING MOUNTED ON THE SHAFT TO ROTATE THEREWITH OUTSIDE THE END PLATES AND IN SPACED RELATION THERETO AT BOTH ENDS OF THE HOUSING, (I) A BEARING ON THE SHAFT AT EACH END OF THE HOUSING OUTWARDLY OF THE SLINGER RING, (J) CAP SCREWS EXTENDING THROUGH THE BEARING, AND INTO THE END PLATES OF THE HOUSING TO SECURE THE BEARING TO THE HOUSING, (K) GROUND ENGAGING MEANS AT EACH END OF THE HOUSING, AND SECURING BOLTS PASSING FROM INSIDE THE HOUSING THROUGH THE WEAR PLATES AND END PLATES TO HOLD THE GROUND ENGAGING MEANS IN PLACE.