Digital indication type measuring machine

Details Digital indication type measuring machine Digital indication type measuring machine

1984-08-21

1985-08-27

Ward, Robert S.

Geometrical instruments

Area integrators

Electrical

33143L, 33147K, 33147N, 33166, G01B 512

Patent

active

045369631

ABSTRACT:
A digital indication type measuring machine comprising: a main body having a spindle displaceable in the axial direction thereof and a digital indication portion; a plurality of measuring heads detachably mounted to the main body, being different in size from one another, and each incorporating therein cone, in each of which a displacement value of the spindle is converted into a radial projection value of each of measuring elements at conversion rates equal to one another; an encoder for sensing the displacement value of the spindle; and a circuit for processing an output from the encoder and digitally indicating the resultant value.

REFERENCES:
patent: 2642671 (1953-06-01), Graham et al.
patent: 3484942 (1969-12-01), Toubhaus
patent: 3803518 (1974-04-01), Perthen
patent: 4136456 (1979-01-01), Yamauchi et al.
patent: 4207679 (1980-06-01), Poage
patent: 4218823 (1980-08-01), Matsumoto et al.

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