Sensor for detecting the location of a discontinuity

Details Sensor for detecting the location of a discontinuity Sensor for detecting the location of a discontinuity

1990-04-20

1992-12-08

Will, Thomas B.

Geometrical instruments

Gauge

Collocating

33520, 33543, 33561, G01D 2100

Patent

active

051686384

ABSTRACT:
A sensor for detecting the location of a hole in a surface of a workpiece. The sensor comprises a sensing head having a probe adapted to engage the portion of the workpiece surface defining a hole. A housing supports the sensing head for lateral displacement in any direction from a longitudinal Z axis of the sensor in response to engagement of the hole-defining portion by the probe. A pair of displacement conversion members are supported in the housing for independent axial displacement along the Z axis corresponding in direction and magnitude to the lateral displacement of the sensing head along X and Y lateral axes, respectively. Sensing devices are disposed to respond to the axial displacement of each of the conversion members to generate a signal indicative thereof.

REFERENCES:
patent: 3093909 (1963-06-01), Eisele
patent: 3798779 (1974-03-01), Gluck
patent: 3882608 (1975-05-01), Macklyn
patent: 4060906 (1977-12-01), Heizmann
patent: 4211014 (1980-07-01), Koltgen
patent: 4265026 (1981-05-01), Meyer
patent: 4288924 (1981-09-01), Mizuno et al.
patent: 4477978 (1984-10-01), Azuma
patent: 4543726 (1985-10-01), Lauer et al.

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