Milling cutter having cutting insert reference means

Claim 1

IN COMBINATION WITH A FACE MILLING CUTTER BODY HAVING MEANS AT THE REARWARD END THEREOF FOR MOUNTING THE SAME ON A DRIVE SPINDLE AND HAVING CUTTING INSERT RETAINING MEANS COMPRISING RECESSES AND CLAMPING MEANS ASSOCIATED THEREWITH FOR CLAMPING CUTTING INSERTS IN SAID RECESSES, AN ADJUSTABLE REFERENCE MEANS INDICATING A GAUGING PLANE PERPENDICULAR TO THE TRUE OPERATIONAL AXIS OF ROTATION IN A GIVEN OPERATIONAL SET UP, SAID REFERENCE MEANS COMPRISING THREE SCREW-THREADED BORES IN SAID FORWARD END WHICH ARE SPACED FROM THE BODY AXIS AND FROM EACH OTHER, SCREWS HAVING A THREADED PORTION AT ONE END THEREOF AND THREADED IN SAID BORES PROVIDING TRIPOD ADJUSTMENT, ACCURATELY FINISHED MEANS AT THE OTHER END OF SAID SCREWS DEFINING AT LEAST POINTS IN SAID GAUGING PLANE WHEREBY A SETTING GAUGE HAVING A PLANE CONTACT SURFACE CAN CONTACT SAID GAUGING PLANE IN ORDER TO SET CUTTING INSERTS ACCURATELY WITH RESPECT TO THE SAID TRUE AXIS AND EACH OTHER, AND SPRING MEANS POSITIONED TO EXERT AXIAL PRESSURE ON SAID SCREWS.