Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield
Patent
1982-10-18
1984-08-21
Demeo, Palmer
Electric lamp and discharge devices
Cathode ray tube
Shadow mask, support or shield
313407, H01J 2907
Patent
active
044672420
ABSTRACT:
A cathode ray tube includes a faceplate panel with a plurality of electrode support studs distributed about and attached to the panel. A color selection electrode having a plurality of support springs is disposed within the panel. Each of the support springs comprises a strap-like element having a proximal end secured to the electrode and a distal end spaced from the electrode. A washer-like element is located between the panel and the distal end of at least one of the strap-like elements. The washer-like element has a frustoconically-shaped portion with an aperture therein for snugly receiving one of the studs. The base portion of the washer-like element is substantially flat and is permanently secured to the strap-like element near its distal end.
REFERENCES:
patent: 3334259 (1967-08-01), Shrader
patent: 3387160 (1968-06-01), Schwartz
patent: 3803436 (1974-04-01), Morrell
patent: 4002941 (1977-01-01), Demmy
Wardell, Jr. Myron H.
Wilbur, Jr. Leonard P.
Coughlin Jr. Vincent J.
Demeo Palmer
Irlbeck Dennis H.
RCA Corporation
Whitacre Eugene M.
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