Probe head

Details Probe head Probe head

2008-07-01

2008-07-01

Bennett, G. Bradley (Department: 2841)

Geometrical instruments

Gauge

Movable contact probe, per se

Reexamination Certificate

active

11512834

ABSTRACT:
A probe head includes sensors having, in each instance, a pressure-sensitive surface, electrical signal being producible by the sensors when pressure forces are acting. Furthermore, the probe head has mechanical transmission elements and a holding element for positioning the transmission elements with respect to the sensors. The holding element is fixed in a stationary manner relative to the sensors and is configured such that the transmission elements are movable relative to the sensors in a direction having a directional component orthogonal to the surface. Furthermore, the probe head includes a probe element, which is deflectable relative to the sensors. The probe element, the sensors and the transmission elements are arranged in a mechanical operative connection such that by contacting the probe element, a change in the level of the electrical signal is producible by at least one of the sensors.

REFERENCES:
patent: 4833792 (1989-05-01), Aehnelt et al.
patent: 5090131 (1992-02-01), Deer
patent: 5327657 (1994-07-01), Hajdukiewicz et al.
patent: 5345690 (1994-09-01), McMurtry et al.
patent: 5404649 (1995-04-01), Hajdukiewicz et al.
patent: 5884410 (1999-03-01), Prinz
patent: 30 16 782 (1980-11-01), None
patent: 2002-267435 (2002-09-01), None

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