Geometrical instruments – Area integrators – Electrical
Patent
1977-09-13
1979-01-23
Aegerter, Richard E.
Geometrical instruments
Area integrators
Electrical
G01B 500
Patent
active
041353056
ABSTRACT:
An indexing device for obtaining and maintaining the desired rotation of an electrode in an electric discharge machining apparatus wherein the coarse annular adjustment of the electrode is accomplished by manually aligning indexing scale lines with a reference line, and then effecting a fine adjustment by means of a reverse reading micrometer.
REFERENCES:
patent: 3049193 (1962-08-01), Ingersoll
patent: 3063155 (1962-11-01), Prefontaine
Aegerter Richard E.
Little Willis
Raptes M. Ted
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