Coolant discharge device for cutting tool

Claim 1

IN A METAL CUTTING MACHINE TOOL AND CARRIER COMBINATION, A ROTARY HEAD, A TOOL CARRIER MOUNTED THEREON FOR RECIPROCATION RAIDIALLY THEREOF AND HAVING A NOTCH WITH ITS BASE DEFINING A SUPPORTING WALL AND ITS SIDE DEFINING AN ANVIL WALL ANGULARLY DISPOSED RELATIVE TO THE SUPPORTING WALL AND FACING FORWARDLY IN THE DIRECTION OF ROTATION, A COOLANT SUPPLY TROUGH IN THE SUPPORTING WALL, A CARBIDE TOOL HAVING A PLANAR LEADING FACE WITH A CUTTING EDGE IN THE PLANE OF THE LEADING FACE, AND HAVING ANOTHER EDGE SPACED FROM SAID CUTTING EDGE AND RESTING ON SAID SUPPORTING WALL, SAID TOOL HAVING A TRAILING FACE JUXTAPOSED AGAINST THE ANVIL WALL, A CHIP BREAKER HAVING A TRAILING FACE JUXTAPOSED AGAINST SAID LEADING FACE OF THE TOOL AND HAVING ONE EDGE RESTING ON THE SUPPORTING WALL, ANOTHER EDGE OF THE BREAKER BEING NEAR TO, BUT SPACED FROM, THE CUTTING EDGE AND BEING BEVELED IN A DIRECTION AWAY FROM THE TRAILING FACE OF THE BREAKER FORWARDLY AND TOWARD SAID OTHER EDGE OF THE BREAKER, A ROW OF OPEN-SIDED SHALLOW CHANNELS IN THE CHIP BREAKER WITH THEIR OPEN SIDES IN ITS SAID JUXTAPOSED TRAILING FACE AND SUBSTANTIALLY CLOSED BY THE SAID JUXTAPOSED LEADING FACE OF THE TOOL, AND SAID CHANNELS BEING SPACED LATERALLY FROM EACH OTHER ENDWISE OF THE CUTTING EDGE AND EXTENDING TRANSVERSELY OF SAID TRAILING FACE AND BEING OPEN AT THEIR OPPOSITE ENDS, SAID CHANNELS HAVING THE ENDS NEAREST THE CUTTING EDGE OPENING THROUGH SAID BEVELED EDGE OF THE BREAKER, IN CLOSELY SPACED RELATION TO EACH OTHER ENDWISE OF THE ROW FOR DISCHARGING COOLANT ACROSS, AND IN CONTACT WITH, THE LEADING FACE OF THE TOOL DIRECTLY TO THE ENTIRE CUTTING EDGE, EACH CHANNEL HAVING ITS OTHER END IN COMMUNICATION WITH SAID TROUGH, MEANS FOR SUPPLYING COOLANT UNDER PRESSURE INTO SAID TROUGH, AND MEANS FOR CLAMPING THE TOOL AND BREAKER IN POSITION ON THE CARRIER.