Flashlight

Details Flashlight Flashlight

1995-08-04

1998-12-01

O'Shea, Sandra

Illumination

Self powered lamp

Cylindrical flashlight casing

362157, 362158, 362202, 362206, F21L 700

Patent

active

058427775

ABSTRACT:
The present invention describes a flashlight powered with an oblong power supply. The flashlight is designed to be compact and watertight. It is protected against the entrance of moisture with a single O-ring seal. The case of the flashlight can be injection molded and can be used without secondary fabrication such as gluing. The flashlight includes a light module which is held to prevent its rotation relative to the case to thereby maintain a desired polarity with the power supply permitting a variety of polarity responsive lamps or circuits to be incorporated into the design. Some configurations create light output color or intensity changes by reversing the batteries. On-Off switching is accomplished using a mechanism independent of the location of the power supply so that power supply movement will not cause inadvertent energizing of the lamp or hazardous sparks.

REFERENCES:
patent: 3124306 (1964-03-01), Schotz
patent: 3252733 (1966-05-01), Moore et al.
patent: 3758773 (1973-09-01), Nau
patent: 5161879 (1992-11-01), McDermott
patent: 5260858 (1993-11-01), Maglica

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