Color picture tube having improved shadow mask-frame...

Details Color picture tube having improved shadow mask-frame... Color picture tube having improved shadow mask-frame...

H - Electricity

01

J

313/35.165

H01J 29/07 (2006.01)

Patent

CA 2018530

ABSTRACT An improved color picture tube includes an evacuated glass envelope having a rectangular faceplate panel. The panel includes a shadow mask assembly mounted therein by support means located at peripherally spaced positions within the panel. The support means at each of the spaced positions includes a stud attached to the glass envelope, a spring and a plate. The spring has an aperture therein that engages the stud. The spring is attached to the plate, and the plate is welded to the mask assembly. The improvement comprises the plate being welded to the mask assembly at only one location. This location is on a line, perpendicular to the plate, that passes through the center of the aperture in the spring.

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