Supporting device for an electron beam landing position selectin

Details Supporting device for an electron beam landing position selectin Supporting device for an electron beam landing position selectin

1984-05-23

1986-08-12

Willis, Davis L.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313404, H01J 2980

Patent

active

046058788

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.

REFERENCES:
patent: 3335479 (1967-08-01), Morrell
patent: 3358170 (1967-12-01), Fiore
patent: 3370194 (1968-02-01), Schwartz et al.
patent: 4333033 (1982-06-01), Cordingley et al.
patent: 4495437 (1985-01-01), Kume et al.

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