Electronic apparatus for checking the linear dimensions of mecha

Details Electronic apparatus for checking the linear dimensions of mecha Electronic apparatus for checking the linear dimensions of mecha

1978-12-01

1980-11-04

Little, Willis

Geometrical instruments

Area integrators

Electrical

33143L, 33148H, 33178E, G01B 508, G01B 712

Patent

active

042311586

ABSTRACT:
Apparatus for checking diameters of workpieces in a broad range of operation, including two arms moving with a scissorwise movement.
The two arms carry relevant measuring heads and are coupled to coaxial shafts.
A rotary transducer has two moving elements coupled to the coaxial shafts. A processing and control circuit includes pre-selectors for zero-setting the apparatus with reference to different diameters to be checked. The processing and control circuit provides a measurement signal depending on the output signals of the measuring heads and of the rotary transducer.

REFERENCES:
patent: 2732625 (1956-01-01), Buisson
patent: 3210853 (1965-10-01), Wiatt
patent: 3962792 (1976-06-01), Stepanek et al.

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