Geometrical instruments – Area integrators – Electrical
Patent
1983-03-04
1985-04-02
Stearns, Richard R.
Geometrical instruments
Area integrators
Electrical
33178R, G01B 326, G01B 512
Patent
active
045078700
ABSTRACT:
The gage assembly of the present application includes a gage head detachably mountable on an amplifying and indicating mechanism for providing a graduated indication of any deviation in the size of an internal enlargement or groove in a bore in a workpiece. The gage head includes a pair of opposed radially slidable blades urged outwardly by a spring force exerted on a tapered plunger by a spring forming a part of the amplifying and indicating mechanism. The outward extension of the blades, which are sized and shaped to enter the groove in the workpiece, is coupled to the amplifying and indicating mechanism by the axial displacement of the plunger and displayed on an indicator dial forming a part of the mechanism. The gage head is centralized in the bore by a pilot adjacent the blades, which aligns the head with the axis of the bore.
REFERENCES:
patent: 2454246 (1948-11-01), Worthen
patent: 2679107 (1954-05-01), Gondek
patent: 2830375 (1958-04-01), Zwayer
patent: 3296707 (1967-01-01), Eisele
patent: 4058901 (1977-11-01), Lendi et al.
patent: 4067114 (1978-01-01), Meyer, Jr.
patent: 4288924 (1981-09-01), Mizuno et al.
Boiteau Maurice R.
Stearns Richard R.
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