Figure

Claim 1

A TOOL HOLDER ADAPTED TO MOUNT THROWAWAY-TYPE INSERTS CHARACTERIZED BY BECOMING WORN IN SERVICE AND BEING RENDERED CAPABLE OF REPEATED USE BY REGRINDING OPERATION THUS ALTERING THE STANDARD BASIC SIZE, SAID TOOL HOLDER COMPRISING A BLOCK PORTION HAVING A SLIDE RECEIVING CHANNEL FORMED THEREIN, AN ADJUSTABLE INSERT SEAT HAVING A BOTTON PORTION JOINED BY WALL PORTIONS FORMED IN ONE END OF SAID BLOCK, SAID CHANNEL CONNECTING WITH SAID SEAT AT A WALL PORTION THEREOF, A SLIDABLE MEMBER RECEIVED IN SAID CHANNEL AND BEING EXTENDABLE INTO SAID SEAT AREA, THE END OF SAID SLIDABLE MEMBER FORMING A MOVABLE WALL PORTION OF SAID SEAT AND COOPERATING WITH THE OTHER WALL PORTION THEREOF BY MOVING RELATIVE THERETO TO CHANGE THE INSERT SEAT AREA TO FORM AN ADJUSTABLE INSERT POCKET ACCOMMODATING A REGROUND THROWAWAY INSERT, CLAMPING MEANS ALIGNED WITH SAID SLIDABLE MEMBER AND ADAPTED FOR MOVEMENT RELATIVE THERETO, A FORE PORTION OF SAID CLAMPING MEANS EXTENDING ABOVE SAID INSERT SEAT AND LOCATED FOR CLAMPING ENGAGEMENT WITH A THROWAWAYTYPE INSERT SEATED THERON AND AN AFT PORTION EXTENDING ABOVE SAID SLIDABLE MEMBER FOR CLAMPING ENGAGEMENT THEREWITH, FIRST FASTENER MEANS FOR SECURING THE CLAMPING MEANS BEING ANCHORABLE TO THE BLOCK INTERMEDIATE SAID FORE AND AFT PORTIONS, AND SECOND FASTENER MEANS ANCHORABLE TO THE BLOCK REARWARDLY OF THE FIRST FASTENER MEANS AND BEING ENGAGEABLE WITH THE AFT PORTION OF THE CLAMPING MEANS TO MAINTAIN THE ALIGNMENT THEREOF WITH THE SLIDABLE MEMBER AND INSERT SEAT, THE SECOND FASTENER MEANS COOPERATING WITH SAID AFT PORTION FOR SECURING ONLY THE SLIDABLE MEMBER TO THE BLOCK INDEPENDENTLY OF SAID FIRST FASTENER MEANS THUS SERVING THE DUAL FUNCTION OF HOLDING THE POSITION OF THE SLIDABLE MEMBER WHILE MAINTAINING THE ALIGNMENT OF THE CLAMPING MEANS WHEREBY THE FIRST FASTENER MEANS MAY BE RELEASED WITHOUT AFFECTING THE SETTING OF SAID SLIDABLE MEMBER.