Test apparatus for gauging radii of columniform workpieces

Details Test apparatus for gauging radii of columniform workpieces Test apparatus for gauging radii of columniform workpieces

2008-04-14

2009-12-01

Bennett, G. Bradley (Department: 2841)

Geometrical instruments

Gauge

Circular size

C033S553000, C033S833000

Reexamination Certificate

active

07624512

ABSTRACT:
An exemplary test apparatus for a columniform workpiece includes a base plate, a support plate perpendicularly mounted to a top surface of the base plate, a shaft rotatably mounted to the support plate, a contact member mounted the support plate and perpendicularly slidable relative to the support plate, and a test meter. The shaft is configured for mounting the columniform workpiece at a side of the support plate and making the columniform workpiece perpendicularly rotate relative to the support plate. The contact member includes a first end contacting the end surface of the columniform workpiece. The test meter includes a pole with a distal end contacting a second end opposite to the first end of the contact member, the poles' length resiliently adjusting corresponding to the end surface of the columniform workpiece, and a value of the test meter changing corresponding to changes in the length of the pole.

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patent: 2008/0148590 (2008-06-01), Hayashi et al.
patent: 2009/0094851 (2009-04-01), Xiao et al.

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