Electric lamp unit with improved fuse means

Details Electric lamp unit with improved fuse means Electric lamp unit with improved fuse means

1981-11-09

1983-08-09

Dixon, Harold A.

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Automatic shunt circuit closing or cut-out switch

174 84C, 315 58, 315362, H01J 744

Patent

active

043981240

ABSTRACT:
An improved fuse means for use within an electric incandescent lamp (e.g., tungsten halogen). The fuse is located within a ceramic base to which the press-sealed end of the envelope is affixed (e.g., cemented). The improved fuse means comprises a first conductive (e.g., nickel) wire segment of rectangular cross-sectional configuration and a second conductive (e.g., nickel) sleeve member crimped about an end portion of the first wire segment and including a flat region which in turn is fixedly secured (e.g., welded) to one of the lead-in wires projecting from the lamp's press-sealed end portion. In an alternative embodiment, a second sleeve member and conductive wire segment is utilized.

REFERENCES:
patent: 1404323 (1922-01-01), Rohn
patent: 2156988 (1939-05-01), Jancke et al.
patent: 2332345 (1943-11-01), Steinmayer
patent: 2494917 (1950-01-01), Van Liempt
patent: 2806215 (1957-09-01), Redslob
patent: 3727091 (1973-04-01), DeCaro et al.
patent: 3796914 (1974-03-01), DeCaro et al.

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