Adjustable-height shadow mask support for a flat tension mask co

Details Adjustable-height shadow mask support for a flat tension mask co Adjustable-height shadow mask support for a flat tension mask co

1989-12-21

1991-06-18

Wieder, Kenneth

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313402, 313408, H01J 2907

Patent

active

050251910

ABSTRACT:
A color cathode ray tube includes a glass faceplate having on its inner surface a centrally disposed, rectangular screen. A shadow mask support structure located on opposed sides of the screen includes Q-height adjustment means for receiving and securing the shadow mask. The Q-height adjustment means provides for Q-height adjustment of the mask support structure prior to the securing of the mask. A fixture sets and holds the support structure at a predetermined Q-height.

REFERENCES:
patent: 2824989 (1958-02-01), Christofferson
patent: 3894321 (1975-07-01), Moore
patent: 4605879 (1986-08-01), Rath
patent: 4695761 (1987-09-01), Fendley
patent: 4828523 (1989-05-01), Fendley, et al.
patent: 4950945 (1990-08-01), Fendley et al.

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