Concentricity measuring device

Details Concentricity measuring device Concentricity measuring device

1990-08-01

1991-09-03

Will, Thomas B.

Geometrical instruments

Gauge

With support for gauged article

335553, 33568, 33573, G01B 520

Patent

active

050440888

ABSTRACT:
The invention provides an improved device for checking the concentricity of a cylindrical workpiece. The device comprises replaceable pin members detachably mounted in parallel V-shaped supporting members, the upper surfaces of the pin members forming linear contact with the workpiece under test. When the workpiece contacting surface of a pin member becomes worn the pin is either rotated or replaced by a new one to provide a virigin linear surface for contact with a workpiece. One of the V-shaped supports is slidably mounted to provide for lateral movement with respect to the other. V-shaped supoprts having different included angles can be employed to accommodate testing of centerless ground parts having multiple lobes.

REFERENCES:
patent: 1401119 (1921-12-01), Aloeborgh
patent: 2408672 (1946-10-01), Mennesson
patent: 2489597 (1949-11-01), Swanson
patent: 2572999 (1951-10-01), Elliott
patent: 2603043 (1952-07-01), Bontemps
patent: 3328885 (1967-07-01), Frindel
patent: 4064633 (1977-12-01), Wertepny
patent: 4596076 (1986-06-01), Sigg
patent: 4601110 (1986-07-01), Donaldson
American Machinist-Special Report No. 467-Dec. 1, 1958, pp. 109-113.

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