Shadow mask frame assembly for a cathode ray tube

Details Shadow mask frame assembly for a cathode ray tube Shadow mask frame assembly for a cathode ray tube

1998-06-04

2000-04-04

Patel, Ashok

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313406, 313407, H01J 102

Patent

active

060465352

ABSTRACT:
The present invention discloses a shadow mask frame assembly for a cathode ray tube comprising a burring formed by bending the open end portion of the mask frame for improving the mechanical intensity of a mask frame, a groove portion formed on predetermined positions of the burring for easily mounting the mask frame inside the face panel without interference between the stud pin and the burring, and a planar perpendicular portion, which is formed on a lower portion of the burring, parallel to an axial direction of the cathode ray tube, to which a skirt portion of the shadow mask is welded.

REFERENCES:
patent: 5763990 (1998-06-01), Kwak
patent: 5793156 (1998-08-01), Han et al.
patent: 5898259 (1999-04-01), Reyal

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