Geometrical instruments – Area integrators – Electrical
Patent
1981-10-15
1983-05-31
Little, Willis
Geometrical instruments
Area integrators
Electrical
33172R, G01B 322
Patent
active
043854451
ABSTRACT:
A gauge for thickness measurement, being particularly adapted to measuring thickness within grooves, is disclosed. The gauge employs a reinforced blade as the groove entering element. This blade is designed to prevent penetration of the workpiece being measured, resulting in enhanced accuracy.
REFERENCES:
patent: 1966618 (1934-07-01), Egorenkov
patent: 2160723 (1939-05-01), Eldridge
patent: 2271217 (1942-01-01), Allen et al.
patent: 2632955 (1953-03-01), Samuelson
patent: 2734275 (1956-02-01), Ring et al.
patent: 2789356 (1957-04-01), Blanks, Jr.
patent: 3269019 (1966-08-01), Krohn
patent: 3403446 (1968-10-01), Trnka
patent: 3699473 (1972-10-01), Paul
patent: 3936945 (1976-02-01), Jevremov
Little Willis
Reynolds Metals Company
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