Hole gauge

Details Hole gauge Hole gauge

1976-12-09

1979-01-30

Aegerter, Richard E.

Geometrical instruments

Area integrators

Electrical

33178R, G01B 512, G01B 318

Patent

active

041364562

ABSTRACT:
The present invention relates to a hole gauge for measuring the inner diameter of a hole, which gauge comprises an axially movable spindle; a pair of tapered surfaces movable together with said spindle; a pair of contact points radially movable with respect to said spindle, guided by said pair of tapered surfaces; and a support arm for said pair of contact points, the outer surfaces of said contact points and said support arm being movable in parallel radially of said spindle.

REFERENCES:
patent: 953282 (1910-03-01), Nash
patent: 1760717 (1930-05-01), Peglow
patent: 1806893 (1931-05-01), Cunningham
patent: 1921522 (1933-08-01), Hamer
patent: 3608201 (1971-09-01), Butsch

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