Cathode-ray tube having detentioning rod assembly for a tension

Details Cathode-ray tube having detentioning rod assembly for a tension Cathode-ray tube having detentioning rod assembly for a tension

1997-04-18

1999-08-03

Patel, Vip

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313404, 313405, 313407, H01J 2907

Patent

active

059329572

ABSTRACT:
A cathode-ray tube includes a tension mask attached to a rectangular support frame assembly that has two long sides paralleling a central major axis thereof and two short sides paralleling a central minor axis thereof. The frame assembly includes two first members, having oppositely disposed ends, paralleling the major axis, and two resilient U-shaped second members, having a first leg and a second leg attached to the oppositely disposed ends of the first members, paralleling the minor axis. Each of the first members has a compliant portion and a base portion. The mask is attached to the distal ends of the compliant portion. A detensioning rod assembly is disposed between the first and second legs of each of the second members to facilitate varying the tension of the mask.

REFERENCES:
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patent: 4678963 (1987-07-01), Fonda
patent: 4748370 (1988-05-01), van den Broek
patent: 5041756 (1991-08-01), Fairbanks
patent: 5045010 (1991-09-01), Fairbanks
patent: 5111107 (1992-05-01), Kume et al.
patent: 5113111 (1992-05-01), Fairbanks
patent: 5214349 (1993-05-01), Sakata et al.
patent: 5416380 (1995-05-01), Horiuchi
patent: 5554909 (1996-09-01), Brennescholtz
Patent Abstracts of Japan, vol. 007, No. 272 (E-214) Dec. 3, 1983 (Mitsubishi Denki KK), Sep. 9, 1983.
PCT International Search Report dated: Jul. 17, 1998.

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