Method and apparatus for the measurement of the internal circumf

Details Method and apparatus for the measurement of the internal circumf Method and apparatus for the measurement of the internal circumf

1982-07-28

1985-12-24

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

33 1N, G01B 500

Patent

active

045597081

ABSTRACT:
A method and apparatus for measuring the internal circumference of a marked compliant ring using a cylinder of known circumference having a fiducial mark aligned with a pointer on a device for measuring an angle of rotation to which the cylinder is affixed. Rotation of the cylinder until the mark on the compliant ring is realigned with the pointer determines an angle of rotation from which can be calculated the internal circumference of the compliant ring relative to the circumference of the cylinder.

REFERENCES:
patent: 1828414 (1931-10-01), Illingworth et al.
patent: 2079323 (1937-05-01), Kokotiak
patent: 2438813 (1948-03-01), Lundeen
patent: 2677315 (1954-05-01), Hansen
patent: 2879605 (1959-03-01), McLaughlin
patent: 3086409 (1963-04-01), Budney et al.
patent: 3958335 (1976-05-01), Arnold

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