Machine for shaving embossed letters on bottle closures

Claim 1

A MACHINE FOR SHAVING A THIN LAYER FROM THE SURFACE OF RAISED LETTERING EMBOSSED ON THE SIDES OF A BOTTLE CLOSURE, COMPRISING: A CONTINUOUSLY ROTATING SPINDLE CARRIER HAVING AT LEAST ONE SPINDLE JOURNALED THEREON, SAID SPINDLE HAVING AN EXPANDING CHUCK TO RECEIVE AND HOLD A BOTTLE CLOSURE; A LOADING STATION, INCLUDING MEANS FOR LOADING CLOSURES ONTO SAID CHUCK; AN UNLOADING STATION SPACED AN ANGULAR DISTANCE FROM SAID LOADING STATION; MEANS FOR DRIVING SAID SPINDLE CARRIER; A ROTATABLE MILLING CUTTER MOUNTED ADJACENT SAID SPINDLE AND MOVABLE THEREWITH AS THE SPINDLE REVOLVES WITH SAID CARRIER; SAID MILLING CUTTER BEING MOVABLE TOWARD AND AWAY FROM SAID CHUCK BETWEEN A FIRST POSITION WHEREIN THE CUTTER IS SPACED RADIALLY OUTWARDLY FROM A CLOSURE MOUNTED ON THE CHUCK, SO AS TO CLEAR THE SAME, AND A SECOND POSITION WHEREIN THE CUTTER TAKES A LIGHT SHAVING CUT ON THE SURFACE OF SAID LETTERING AS SAID CLOSURE ROTATES WITH SAID SPINDLE; SAID MILLING CUTTER BEING NORMALLY HELD AT SAID FIRST POSITION AS SAID SPINDLE AND CHUCK PASS SAID LOADING AND UNLOADING STATIONS; MEANS FOR MOVING SAID MILLING CUTTER FROM SAID FIRST POSITION TO SAID SECOND POSITION AND THEN BACK TO SAID FIRST POSITION AS THE SPINDLE REVOLVES FROM SAID LOADING STATION TO SAID UNLOADING STATION; AND MEANS FOR REMOVING THE SHAVED CLOSURES FROM SAID CHUCK AS THE LATTER PASSES SAID UNLOADING STATION.