Shadow mask mount and funnel-faceplate referencing system for co

Details Shadow mask mount and funnel-faceplate referencing system for co Shadow mask mount and funnel-faceplate referencing system for co

1974-11-25

1977-06-07

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

220 21A, H01J 2907, H01J 3120

Patent

active

040285804

ABSTRACT:
This disclosure depicts a color cathode ray tube including a shadow mask and improved suspension devices for suspending the mask adjacent the faceplate of the tube. The disclosure stresses channel-shaped studs comprising part of the suspension devices. Each of the studs has a first portion adapted to be embedded in the faceplate and a second portion having provision for coupling the stud to the shadow mask. The studs engage reference surfaces on the funnel when the faceplate and funnel are mated and serve to thereby reference the faceplate to the funnel.

REFERENCES:
patent: 2824990 (1958-02-01), Haas
patent: 3363129 (1968-01-01), France et al.
patent: 3735179 (1973-05-01), Kaplan
patent: 3971490 (1976-07-01), Conger

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