Universal self-centering flange facing device

Claim 1

A CUTTING TOOL FOR FACING AN ANNULAR RADIAL FACE COMPRISING IN COMBINATION: A TUBULAR BODY PORTION; INNER AND OUTER INDEPENDENLTY ROTATABLE CONCENTRIC SHAFTS HOUSED THEREIN AND PROJECTING FROM THE ENDS THEREOF; A SLEEVE AFFIXED TO AND SUPPORTING SAID OUTER SHAFT AND ADJUSTABLE FITTING IN SAID BODY PORTION TO ADJUST THE POSITION OF SAID SHAFTS AXIALLY OF SAID BODY PORTION; POWER APPLYING MEANS OPERATIVELY CONNECTED TO ONE END OF SAID OUTER SHAFT; A CUTTER HOUSING MOUNTED ON THE OTHER END OF SAID OUTER SHAFT; A CUTTER TOOL ASSEMBLY MOUNTED IN SAID HOUSING FOR ROTATION THEREWITH AND FOR FREE RADIAL MOVEMENT RELATIVE THERETO; GEAR MEANS LINKING SAID TOOL ASSEMBLY TO SAID INNER SHAFT FOR ACCOMPLISHING RADIAL TRANSLATION OF SAID ASSEMBLY BY RELATIVE ROTATION BETWEEN SAID SHAFTS; AND A PLANETARY TYPE DRIVE MECHANISM HAVING A FRAME SECURED TO SAID ONE END OF SAID OUTER SHAFT, A RING GEAR ROTATABLE WITH RESPECT TO SAID FRAME AND KEYED TO SAID INNER SHAFT, IDLER PINION GEARS IN SAID FRAME ENGAGING SAID RING GEAR, A CENTER PINION GEAR ENGAGING SAID IDLER PINION GEARS, AND MEANS FOR HOLDING SAID CENTER PINION GEARS, AGAINST ROTATION, THEREBY SLOWING DOWN THE ROTATION OF SAID INNER SHAFT AND TRANSLATING SAID ASSEMBLY.