Caliper apparatus

Details Caliper apparatus Caliper apparatus

1992-05-11

1993-04-20

Cuchlinski, Jr., William A.

Geometrical instruments

Gauge

Pivoted probes

3355801, 33807, 33DIG1, G01B 316

Patent

active

052030911

ABSTRACT:
A caliper arrangement includes a first leg member pivotally mounted to a second leg member. The first leg member includes a C-shaped first leg in confronting relationship in a coplanar orientation relative to a C-shaped second leg. The pivot axle pivotally mounting the first leg member and the second leg member has the first leg member including a first leg extension leg formed with an extension leg arcuate plate, with the arcuate plate arranged concentric relative to the axle, with the second leg member including an indicator leg cooperative with the arcuate plate for indication of radial displacement of the first leg relative to the second leg upon measuring of an outer surface of a workpiece. A modification of the invention includes replacement first and second leg members having sleeves having their lower distal ends projecting laterally and exteriorly of the first and second leg members respectively for interior measurement of a workpiece.

REFERENCES:
patent: 99961 (1870-02-01), Star
patent: 396479 (1889-01-01), Green
patent: 1129699 (1915-02-01), Ludwig
patent: 1626540 (1927-04-01), Kimura
patent: 2402000 (1946-06-01), Young
patent: 3512261 (1970-05-01), Viollet
Popular Science, "Dual-indicating caliper has metric scales", Nov. 1970, p. 103.
"Planar Gauge", Trend-Lines Catalog No. 502C, Chelsea, Mass. p. 18 (no date).

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