Numerically controlled measuring device

Details Numerically controlled measuring device Numerically controlled measuring device

1980-06-13

1982-12-21

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33174PC, G01B 702

Patent

active

043641784

ABSTRACT:
A coordinate measuring machine includes a head which is movable along X, Y and Z coordinate axes, a plate supported by the head, and a probe which is supported by the plate. The probe is movable relative to the plate along X and Y axes, and it has a work-contacting idler roller. An electronic calculator receives signals indicating the location of the head and the location of the probe relative to the plate, and provides an output of the coordinate locations of points of contact between the roller and a workpiece. The plate is supported on the head by three balls positioned in radial grooves. The movement of the head is automatically stopped in response to any separatory movement between the plate and the head.

REFERENCES:
patent: 3766653 (1973-10-01), McKay, Sr.
patent: 3824893 (1974-07-01), Sartorio
patent: 3991477 (1976-11-01), Zipin et al.
patent: 4053989 (1977-10-01), Yamaji e al.
patent: 4084323 (1978-04-01), McMurtry
patent: 4130941 (1978-12-01), Amsbury
patent: 4177568 (1979-12-01), Werner et al.

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