CRT Shadow mask assembly

Details CRT Shadow mask assembly CRT Shadow mask assembly

1983-03-03

1985-10-15

DeMeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313407, H01J 2907

Patent

active

045476950

ABSTRACT:
A shadow mask assembly for a cathode-ray tube. The shadow mask assembly includes a taut shadow mask membrane affixed to one edge of a closed frame. The frame is angled inwardly from the edge for increased resistance to buckling. Mounting clips generally aligned with the tube axis are secured to the frame inwardly of the outer edge and project outwardly thereof into engagement with locating holes in the envelope. The clips are deflected inwardly behind the outer edge for disengagement and to permit assembly of the shadow mask into an envelope having an inside dimension close to the outside dimension of the frame.

REFERENCES:
patent: 2611100 (1952-09-01), Faulkner et al.
patent: 3358170 (1967-12-01), Fiore
patent: 3449612 (1969-06-01), Zachrich
patent: 3890526 (1975-06-01), Palac
patent: 4333034 (1982-06-01), Ohgoshi et al.
patent: 4467242 (1984-08-01), Wilbur et al.

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