ADJUSTABLE PLUG GAUGE Russian patent published in 2001 - IPC

FIELD: instrumentation, specifically, test of internal sizes of cylindrical articles. SUBSTANCE: adjustable plug gauge has body 1, disc 3 with lockpins 13 put into it on which working members made of consumed polyhedron hard-alloy plates 14, 15 are anchored with the aid of tack tabs. Body is fitted with guiding part 2 in which butt groove 11 for interaction with protrusion 12 of tack 7 is made. Disc has end face annular grooves 4 and radial cuts forming springy members. EFFECT: raised adaptability to manufacture and simplified process of assembly of measuring tool. 2 dwg