04286311 is referenced by 166 patents and cites 8 patents.

A rugged, heavy duty flashlight which is hermetically sealed to prevent intrusion of moisture and dirt. A manually operable electric switch is provided having a rotary contact to complete the battery circuit to the bulb. When the switch is actuated the rotary contact is moved axially to engage stationary contacts and is then rotated to wipe against such stationary contacts to clean the contact surfaces. The flashlight is readily adjustable to change from a narrow concentrated light beam to a broad scattered beam.

Title
Flashlight
Application Number
894492
Publication Number
4286311
Application Date
December 11, 1978
Publication Date
August 25, 1981
Inventor
Anthony Maglica
219 Armsley Sq., Ontario, 91762
CA, US
Agent
Paul L Gardner
IPC
F21L 7/00
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