Gaging apparatus for a machine tool

Claim 1

A STRUCTURE FOR POSITIONING A PART WITH RESPECT TO A PREDETERMINED REFERENCE POINT, COMPRISING IN COMBINATION: (A) AN ELONGATED RIGID MEANS HAVING A SERIES OF ALIGNED LOCATING HOLES SPACED PREDETERMINED DISTANCES FROM SAID REFERENCE POINT; (B) A RIGID BAR SECURED IN PARALLEL SPACED AXIALLY FIXED RELATION TO SAID ELONGATED RIGID MEANS; (C) A WORK-PIECE LOCATING STOP SLIDABLY SUPPORTED ON ONLY SAID RAIL BAR AND CLAMPABLE THERETO, SAID STOP INCLUDING A FINGER PART HAVING A WORKPIECE-ENGAGING SURFACE EXTENDING PERPENDICULARLY TO SAID RAIL BAR; (D) A HOLDER HAVING A LOCATING PLUG RECEIVABLE IN ANY ONE OF SAID LOCATING HOLES; (E) A MOVABLE SLIDE BAR GUIDED ONLY BY SAID HOLDER AND HAVING A REFERENCE SURFACE OF SAID FINGER; AND WORKPIECE-ENGAGING SURFACE OF SAID FINGER; AND (F) A DIRECT READING GAGE COACTIVE WITH SAID HOLDER AND SAID SLIDE BAR FOR INDICATING THE DISTANCE THAT SAID WORKPIECE-ENGAGING SURFACE IS DISPOSED FROM A BASIC POSITION.