Shadow mask suspension system

Details Shadow mask suspension system Shadow mask suspension system

1979-10-15

1982-02-23

Demeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313407, H01J 2907

Patent

active

043170641

ABSTRACT:
A color cathode ray tube is depicted which has a faceplate and a shadow mask mounted in precise relationship to the faceplate by a plurality of suspension devices spaced on the periphery of the faceplate. The suspension devices provide for rigidly and stably suspending the mask. Each suspension device comprises a stud extending from the faceplate and a leaf spring formed to support and space the mask in proper relationship to the faceplate with the spring having a first end formed for detachable engagement to the stud. A bracket or frame attached to the mask has a seat for receiving in permanent attachment the second end of the spring. The suspension device is characterized by the spring and bracket or frame having configurations at their interface which are such that the lateral edges of the spring are compressively preloaded against the bracket or frame to provide a wide stance, which enhances the stability of the suspension of said mask in relation to said faceplate.

REFERENCES:
patent: 3330980 (1967-07-01), Shrader
patent: 3601650 (1971-08-01), Pappadis
patent: 3743878 (1973-07-01), Kautz et al.
patent: 3986072 (1976-10-01), Adamski
patent: 4100451 (1978-07-01), Palac

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