Portable comparator gage for measuring the relative deviation in

Details Portable comparator gage for measuring the relative deviation in Portable comparator gage for measuring the relative deviation in

1976-09-30

1979-02-27

Aegerter, Richard E.

Geometrical instruments

Area integrators

Electrical

33125T, 33174Q, 33178D, 33174P, G01B 712, G01B 728, G01B 734

Patent

active

041411498

ABSTRACT:
A portable comparator gage for cylinders having a self-supporting configuration with a high stiffness to weight ratio to minimize the contact force and therefore "spring open" of the gage when it is placed on a cylinder, and temperature compensation means to compensate for inaccuracies in the measurements of the relative deviation of the diameter of the cylinder resulting from variations in the temperature of the cylinder and gage from a nominal temperature.

REFERENCES:
patent: 1401119 (1921-12-01), Aldeborgh
patent: 2303007 (1942-11-01), Thomason
patent: 3274693 (1966-09-01), Witzke
patent: 3321869 (1967-05-01), Parrella et al.
patent: 3332153 (1967-07-01), Loewen
patent: 3368395 (1968-02-01), Wright
patent: 3427723 (1969-02-01), Leckey et al.
patent: 3615143 (1971-10-01), Barr et al.
patent: 3648377 (1972-03-01), Witzke
patent: 3650036 (1972-03-01), Covemey
patent: 3780442 (1973-12-01), Gresho
patent: 3875667 (1975-04-01), Wilke
patent: 3921300 (1975-11-01), Cox et al.

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