Mask frame damper for color cathode ray tubes

Details Mask frame damper for color cathode ray tubes Mask frame damper for color cathode ray tubes

1992-05-01

1994-02-22

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313404, H01J 2907

Patent

active

052890805

ABSTRACT:
A mask frame damper has a vibration absorbing member installed between a mask frame and a stud pin formed in a panel of a CRT. This member has a mounting part to be fixed on a frame and a first and a second absorption part extending therefrom and each bent at a predetermined angle. A bending joint formed between the first and second absorption part is in contact with a stud pin and the end of the second absorption part is in contact with the mounting part. Balls are installed at the first and second absorption parts. The first and second vibration absorption parts, in one embodiment, are formed by a plate spring with balls having a predetermined weight installed therein.

REFERENCES:
patent: 3638063 (1972-01-01), Tachikawa et al.
patent: 4318025 (1982-03-01), Penird et al.
patent: 4367430 (1983-01-01), Matsushita et al.
patent: 4504764 (1985-03-01), Sakamoto et al.
patent: 4506188 (1985-03-01), Puhak
patent: 4827179 (1989-05-01), Adler et al.
patent: 4950943 (1990-08-01), Ito

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