Focusing flashlight

Details Focusing flashlight Focusing flashlight

1996-02-02

1997-07-29

Lazarus, Ira S.

Illumination

Self powered lamp

With movable focusing element

362187, 362203, F21L 700

Patent

active

056516070

ABSTRACT:
An improved focusing flashlight is provided which includes a metallic cylinder having a collar at the front and adapted to receive a conducting cartridge and a seat insulator therein. The conducting cartridge has an internal thread formed in a centrally disposed hole and a flange extending around the perimeter of the hole, adapted to be received within a corresponding sleeve barrel extending from the seat insulator, around the perimeter of a centrally disposed hole. The internal threads of the conducting cartridge are adapted to threadedly engage a bulb.

REFERENCES:
patent: 4658336 (1987-04-01), Maglica
patent: 5124894 (1992-06-01), Shiau
patent: 5138537 (1992-08-01), Wang

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