Curb trimming machine

Claim 1

A CURB TRIMMING MACHINE COMPRISING A SUPPORT BASE INCLUDING DEPENDING ROLLING SUPPORT MEANS ADAPTED TO ROLLINGLY SUPPORT SAID BASE FROM AND FOR MOVEMENT ALONG ONE MARGINAL EDGE PORTION OF A LENGTH OF CURBING OR THE LIKE, A CARRIAGE, GUIDE MEANS CARRIED BY SAID BASE AND GUIDINGLY SUPPORTING SAID CARRIAGE FROM SAID BASE FOR VERTICAL MOVEMENT RELATIVE TO THE LATTER, A MOTOR DRIVEN DRIVE SHAFT JOURNALED FROM SAID CARRIAGE AND INCLUDING ONE END PORTION PROJECTING OUTWARDLY OF ONE SIDE OF SAID BASE HAVING A BLADED CUTTER WHEEL MOUNTED THEREON FOR ROTATION THEREWITH, SAID SUPPORT BASE INCLUDING MEANS ENGAGED WITH SAID CARRIAGE FOR VERTICALLY ADJUSTING SAID CARRIAGE RELATIVE TO SAID BASE BETWEEN A RAISED INOPERATIVE POSITION AND A LOWERED OPERATIVE POSITION WITH THE LOWER PERIPHERY OF SAID CUTTER WHEEL DISPOSED BELOW THE LOWERMOST EXTREMITIES OF SAID ROLLING SUPPORT MEANS SAID SUPPORT BASE INCLUDING FRONT AND REAR UPSTANDING SUPPORTS DEFINING SAID GUIDE MEANS AND BETWEEN WHICH SAID CARRIAGE IS RECEIVED, HORIZONTAL BRACE MEANS INTERCONNECTING THE UPPER ENDS OF SAID SUPPORTS, SAID MEANS FOR VERTICALLY ADJUSTING SAID CARRIAGE COMPRISING AN UPSTANDING SCREW SHAFT THREADEDLY RECEIVED THROUGH SAID BRACE MEANS AND JOURNALED IN AN UPPER PORTION OF SAID CARRIAGE AT ITS LOWER END AGAINST AXIAL SHIFTING RELATIVE TO SAID CARRIAGE, A FULL GENERALLY CIRCULAR GUARD DISK DISPOSED INWARDLY OF SAID CUTTER WHEEL AND ROTATABLY SUPPORTED FROM SAID CARRIAGE FOR FREE ROTATION ABOUT AN AXIS COINCIDING WITH THE AXIS OF ROTATION OF SAID SHAFT AND RELATIVE TO THE LATTER, SAID BLADED CUTTER WHEEL INCLUDING A PLURALITY OF GENERALLY