Diver's flashlight

Details Diver's flashlight Diver's flashlight

1976-11-05

1978-09-12

Engle, Samuel W.

Illumination

Self powered lamp

With hermetic seal

200 60, 362183, 362203, F21L 1100

Patent

active

041141873

ABSTRACT:
A diver's flashlight having a unitary case with a closed transparent end for light transmission, the other end being sealed by a threaded plug which also serves as a switch. A halogen bulb is mounted in a reflector immediately inside the transparent end and a rechargable battery is held normally out of contact with the bulb by a spring. Tightening the threaded plug overcomes the spring and completes the circuit when the plug is fully seated in sealed position. The plug, and a cap fitted over the transparent end, are of luminous material for night use.

REFERENCES:
patent: 1223883 (1917-04-01), James et al.
patent: 3162376 (1964-12-01), Furuya
patent: 3217156 (1965-11-01), Sherwood
patent: 3745287 (1973-07-01), Walker
patent: 3794825 (1974-02-01), Krupansky
patent: 3796869 (1974-03-01), Stone
patent: 3798440 (1974-03-01), Brindley
patent: 3829676 (1974-08-01), Nelson et al.

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