Geometrical instruments – Area integrators – Electrical
Patent
1980-05-22
1982-05-11
Ruehl, Charles A.
Geometrical instruments
Area integrators
Electrical
33185R, 33DIG13, B27G 2300, G01B 718, G01B 730
Patent
active
043286216
ABSTRACT:
A position sensing device having a plurality of angular position sensing probes movably mounted within a support member for simultaneously engaging a surface when the support member is moved into proximity with the surface. Transducers associated with each of the probes sense movement thereof and provide electrical output signals indicative of the positions of the probes relative to the support member. The relative separation between the support member and the surface is determined through the calibrated movement of at least one of the probes as indicated through the signals of the associated transducer. Lateral position sensing is provided through a central probe mounted in cantilevered fashion to the support member, with two transducers positioned in orthogonal planes on the lateral position sensing probe which provide an indication in which direction the sensing device must be moved in order to eliminate sideway forces acting on the lateral position sensing probe.
REFERENCES:
patent: 2495797 (1950-01-01), Whitlock et al.
patent: 3040435 (1962-06-01), Huyser
patent: 3696513 (1972-10-01), Sullivan
patent: 3707043 (1972-12-01), Jones
patent: 3724084 (1973-04-01), McNeece
patent: 4060906 (1977-12-01), Heizmann
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