Geometrical instruments – Area integrators – Electrical
Patent
1987-06-10
1989-01-17
Cuchlinski, Jr., William A.
Geometrical instruments
Area integrators
Electrical
G01B 322
Patent
active
047980044
ABSTRACT:
The present invention relates to a displacement detecting apparatus incorporating therein a detector of phase discriminating type electrostatic capacity system. The detector includes a first and second sensing members, which are provided on sections movable relative to each other. The first sensing member is fixed on a support plate provided thereon with an indicator, and the second sensing member is provided on the side of a movable plate, such as a spindle supported by a case body. These sensing members are set at predetermined positions by a position checker allowing the visual inspection therethrough when the support plate is secured to the case body.
REFERENCES:
patent: 3867037 (1975-02-01), Litke
patent: 3987552 (1976-10-01), Raiteri
patent: 4114280 (1978-09-01), Rucinski
patent: 4227308 (1980-10-01), Talansky et al.
patent: 4505042 (1985-03-01), Nishina
patent: 4586260 (1986-05-01), Baxter et al.
patent: 4631831 (1986-12-01), Bacher et al.
Cuchlinski Jr. William A.
Mitutoyo Corporation
Scanlon Patrick R.
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