Geometrical instruments – Gauge – Screw thread
Patent
1978-03-01
1979-04-10
Aegerter, Richard E.
Geometrical instruments
Gauge
Screw thread
33147M, G01B 340
Patent
active
041481461
ABSTRACT:
An improved internal thread gage comprising an elongated body and having an lineal distance gage mounted at one end thereof. A first arm having a first thread engaging member at one end is longitudinally adjustably secured to the elongated body so that the first end extends laterally outwardly from the body. A piston is longitudinally slidably positioned in a longitudinal bore in the body and is operatively coupled to the gage at one end. A second arm having a second thread engaging member at one end is laterally adjustably secured at its other end to the other end of the piston whereby both the lateral and longitudinal distances between the thread engaging members can be accurately preset.
REFERENCES:
patent: 1950912 (1934-03-01), Aronson
patent: 2782523 (1957-02-01), Swanson
patent: 2937453 (1960-05-01), Peterson
Aegerter Richard E.
Little Willis
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