The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 12, 1986

Filed:

May. 23, 1984
Applicant:
Inventors:

Koji Saita, Kanagawa, JP;

Kenichi Kanehira, Tokyo, JP;

Tomohisa Uba, Tokyo, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313406 ; 313404 ;
Abstract

A supporting device for an electron beam landing position selecting mask of a color cathode ray tube having an envelope, a color phosphor screen and an electron gun is disclosed which includes a metal stud pin arranged within the envelope and a spring member attached to the electron beam landing position selecting mask, the spring member being engaged with the metal stud pin so that the electron beam selecting mask is disposed in opposed relation to the color phosphor screen, the spring member having a polygonal engaging aperture bored therethrough at its end portion with which the metal stud pin is engaged wherein the stud pin contacts with the polygonal engaging aperture at three points to thereby settle the position of the electron beam selecting mask and the inner peripheral edge of the polygonal engaging aperture and the peripheral surface of the metal stud pin are fixed together at least at one point other than the three points by welding.


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