Retractable dial bore gauge

Details Retractable dial bore gauge Retractable dial bore gauge

1976-03-11

1977-09-06

Aegerter, Richard E.

Geometrical instruments

Area integrators

Electrical

33147F, 33147K, G01B 512

Patent

active

040458776

ABSTRACT:
A dial bore gauge for measuring the size and surface characteristics of internal surfaces including surfaces which may include spaced portions to be gauged, said gauge including a gauging portion having spaced work engaging elements thereon, a dial portion for indicating the condition of the work engaging portions, members operatively connecting the gauging portions with the dial portion, and an actuator element operatively connected to the gauging portions and movable between different selected positions in one of which at least one of the work engaging elements is in a retracted condition and in another of which all of the work engaging elements are in their work engaging positions.

REFERENCES:
patent: 1667169 (1928-04-01), Ruck et al.
patent: 2454246 (1948-11-01), Worthen
patent: 3026622 (1962-03-01), Croshier et al.
patent: 3316650 (1967-05-01), Aldeborgh et al.
patent: 3442020 (1969-05-01), Worthen
patent: 3827154 (1974-08-01), Kaifesh

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