Tracer-controlled machine tool with plurality of tracers

Claim 1

A MACHINE TOOL COMPRISING: A FRAME HAVING FIRST, SECOND AND THIRD AXES WHICH ARE MUTUALLY, OBLIQUELY ORIENTED; FIRST, SECOND AND THIRD SETS OF SLIDES AND SLIDEWAYS SUPPORTED BY THE FRAME SO THAT EACH SLIDE IS RECIPROCABLE ALONG A RESPECTIVE AXIS RELATIVE TO THE FRAME, AT LEAST ONE OF SAID SETS BEING MOUNTED TO ANOTHER ONE OF SAID SETS WHEREBY TO BE MOVABLE ALONG TWO OF SAID AXES; FIRST, SECOND AND THIRD MOTIVE MEANS ADAPTED TO MOVE THE FIRST, SECOND AND THIRD SLIDES ALONG THEIR RESPECTIVE AXES; ONE OF SAID SLIDES SUPPORTING ANOTHER SLIDE, A WORKTABLE SUPPORTED BY SAID LAST-MENTIONED SLIDE ADAPTED TO HOLD A WORKPIECE AND A FIRST AND A SECOND TEMPLATE; A CUTTER SPINDLE AND A FIRST AND SECOND TRACER VALVE, THE FIRST AXIS, THE CUTTER SPINDLE, AND THE AXIS OF CONTROL OF THE FIRST TRACER VALVE BEING PARALLEL TO EACH OTHER, THE SECOND TRACER VALVE CONTROLLING MOTION ALONG THE SECOND AND THIRD AXES, THE CUTTER SPINDLE AND THE TRACER VALVES BEING MOUNTED TO THE MACHINE TOOL SO THAT THREE-DIMENSIONAL MOTION IS POSSIBLE BETWEEN THEM AND THE WORKTABLE, THE FIRST TRACER VALVE REACTING WITH THE FIRST TEMPLATE, AND THE SECOND TRACER VALVE REACTING WITH THE SECOND TEMPLATE; AND DRIVE MEANS FOR MOVING SAID FIRST TRACER VALVE PARALLEL TO SAID FIRST AXIS; WHEREBY THE TOOL MAY CUT A SINGLE THREE-DIMENSIONAL WORKPIECE AS A FUNCTION OF THE SHAPE OF A PAIR OF TEMPLATES.