Portable tungsten halogen lamp

Details Portable tungsten halogen lamp Portable tungsten halogen lamp

1990-08-08

1992-03-24

Lazarus, Ira S.

Illumination

Guard means

362263, F21V 1502

Patent

active

050994042

ABSTRACT:
A portable electric lamp apparatus including a conduit, a tungsten halogen lamp attached to one end of the conduit, a plug attached to the other end of the conduit, a conductor within the conduit for conducting current from the plug to the tungsten halogen lamp, and a retractable guard for protecting or exposing the tungsten halogen lamp. The portable electric lamp is particularly adapted for dispensing a large amount of illumination to large enclosed areas such as boiler furnaces, stokes, tanks and the like which periodically require servicing.

REFERENCES:
patent: 1460394 (1923-07-01), Tweedy
patent: 1750870 (1930-03-01), Vooth
patent: 2096604 (1937-10-01), Bissell
patent: 2228680 (1941-01-01), Tornblom
patent: 2252073 (1941-08-01), Gray
patent: 2259237 (1941-10-01), Baker et al.
patent: 2565716 (1951-08-01), Boyce
patent: 4019047 (1977-04-01), Frey
patent: 4275435 (1981-06-01), Dorn
patent: 4286311 (1981-08-01), Maglica
patent: 4428039 (1984-01-01), Guimond et al.

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