Geometrical instruments – Area integrators – Electrical
Patent
1976-03-22
1978-09-19
Haroian, Harry N.
Geometrical instruments
Area integrators
Electrical
204297R, G01B 330
Patent
active
041142829
ABSTRACT:
When plating an outer surface of a cylindrical article or an inner surface of a tubular article, in order to automatically achieve centering between the article to be plated and the opposed tubular or cylindrical electrode, there is provided a novel jig for supporting the cylindrical body, either the article to be plated or the opposed electrode, at the center of the tubular body, either the opposed electrode or the article to be plated, and a method for automatically centering the cylindrical body and the tubular body by means of said jig. The jig consists of a jig receiving member having a jig supporting surface in the form of an inclined surface or a spherical surface having a center axis, and a jig member having a surface by which the jig member is to be supported which is mated with the jig supporting surface and which is coaxial with the center axis of the jig supporting member, and the pair of mating surfaces serve as electric conduction means between the cylindrical body and an external circuit. The automatic centering method is made up of the steps of supporting the jig member on the jig supporting surface of the jig receiving member, and subsequently applying vibrations to the pair of mating surfaces to thereby bring the center axis of the jig member to a vertical position.
REFERENCES:
patent: 1022487 (1912-04-01), Lutz
patent: 2396383 (1946-03-01), Moore
patent: 2471106 (1949-05-01), Hall
patent: 3391596 (1968-07-01), Baker et al.
Chino Nobuo
Hane Yoshio
Harayama Akira
Murata Katsuhiro
Haroian Harry N.
Taisei Kensetsu Kabushiki Kaisha
Teikoku Piston Ring Co. Ltd.
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