Probe head for a coordinate-measuring instrument

Details Probe head for a coordinate-measuring instrument Probe head for a coordinate-measuring instrument

1988-07-28

1989-11-28

Haroian, Harry N.

Geometrical instruments

Gauge

Movable contact probe, per se

33561, 33832, 33572, G01B 728

Patent

active

048828483

ABSTRACT:
A probe head for a coordinate-measuring instrument has a torsionally rigid, play-free and friction-free probe-suspension system which defines a three-dimensional coordinate system wherein the work-contact pin of the probe is deflectable in all three directions in space. For each of the three coordinate directions, an incrementally operating displacement-measuring system is provided, and each such system is associated with a zero indicator for recognition of the zero position of the system. Upon initial contact of the probe with the object to be measured, a trigger pulse is produced via a sensor. A subsequent electronic system processes the different signals delivered by the probe head so that optional operation is available either as a switching probe head or as a measuring probe head.

REFERENCES:
patent: 3869799 (1975-03-01), Neuer
patent: 4530159 (1985-07-01), Ernst
patent: 4536961 (1985-08-01), Degoumois
patent: 4769919 (1988-09-01), Lloyd

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