Groove and ball registration system for a CRT flat panel

Details Groove and ball registration system for a CRT flat panel Groove and ball registration system for a CRT flat panel

1985-01-22

1987-10-20

DeMeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313477R, H01J 2981, H01J 2986

Patent

active

047016663

ABSTRACT:
A flat panel tensed foil shadow mask registration system includes three radially disposed grooves on the panel and three oppositely disposed grooves on the frame that supports the tensed mask. Three spherical balls serve to align the panel and the frame in a precise relationship. The balls are permitted to roll in the grooves and one of the grooves in each pair is shorter than the other to restrict the range of positions of the ball in the other groove of each pair when the panel and frame are in the precise relationship.

REFERENCES:
patent: 2961560 (1960-11-01), Fyler
patent: 4547696 (1985-10-01), Strauss

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