Machine for the manufacture of metal cutting tools

Claim 1

A MACHINE FOR MAKING A SINGLE POINT TOOL HAVING THREE ANGULARLY INTERRELATED SURFACES INTERSECTING IN SUCH SINGLE POINT, SAID MACHINE COMPRISING, IN COMBINATION, A LOCATING DEVICE FOR LOCATING AND HOLDING A WORKPIECE FROM WHICH SAID TOOL IS TO BE MADE; FIRST MEANS MOUNTING SAID LOCATING DEVICE FOR ANGULAR ADJUSTMENT ABOUT AN AXIS PASSING THROUGH SAID SINGLE POINT OF SAID TOOL; SECOND MEANS MOUNTING SAID LOCATING DEVICE FOR ADJUSTMENT LONGITUDINALLY OF EACH OF THREE MUTUALLY PERPENDICULAR AXES INTERSECTING IN SAID SINGLE POINT, ONE OF SAID MUTUALLY PERPENDICULAR AXES BEING IDENTICAL WITH THE AXIS ABOUT WHICH SAID LOCATING DEVICE IS ANGULARLY ADJUSTABLE; A MACHINING UNIT INCLUDING AT LEAST TWO TOOLS EACH HAVING A POINT OF APPLICATION AND EACH BEING SELECTIVELY MOVABLE INTO OPERATIVE RELATION WITH SAID WORKPIECE, SAID MACHINING UNIT BEING ANGULAR ADJUSTABLE ABOUT A FOURTH AXIS; THE APPLICATION POINTS OF SAID TOOLS BEING LOCATED ON A CIRCLE CONCENTRIC WITH SAID FOURTH AXIS, AND SAID MACHINING UNIT BEING ADJUSTABLE ABOUT THREE MUTUALLY PERPENDICULAR AXES RESPECTIVELY IDENTICAL WITH SAID FIRST-MENTIONED MUTUALLY PERPENDICULAR AXES; A RELATIVELY FIXED BEARING FOR SAID MACHINE UNIT HAVING A SPHERICAL BEARING SURFACE; A SUPPORT FOR SAID MACHINING UNIT HAVING A SPHERICAL BEARING SURFACE COOPERABLE WITH AND SUPPORTED BY SAID FIRSTMENTIONED SPHERICAL BEARING SURFACE, THE CENTERS OF SAID SPHERICAL BEARING SURFACES BEING AT SAID SINGLE POINT; CLAMPING MEANS EFFECTIVE TO CLAMP SAID BEARING SURFACES IN RELATIVELY ADJUSTED RELATION; AND SLIDE MEANS SUPPORTING SAID MACHINING UNIT ON SAID SUPPORT MEANS AND CONSTRUCTED AND ARRANGED FOR ADJUSTMENT OF SAID MACHINING UNIT LONGITUDINALLY OF AT LEAST TWO OF SAID FIRST THREE AXES.