Electrical continuity tester combined with flashlight and/or lan

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Combined with a flashlight

Patent

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Details

324507, 362204, G01R 3102

Patent

active

054062071

ABSTRACT:
An improved testing structure is provided in a flashlight (or lantern) provided with an electrical continuity tester. The flashlight or lantern has an insulated body and a flashlight (or lantern) bulb and batteries in primary series circuit. The testing structure, which is formed in the flashlight (or lantern) body, includes a testing series circuit, which is electrically-coupled to the primary series circuit, and a testing site. The testing site includes a pair of converging, sloping, facing walls, separated by a floor, the floor being provided with a pair of spaced-apart channels. Two electrically-conductive strips of specifically-defined structure and orientation are provided within the testing site to repose within the pair of spaced-apart channels. The strips may be resiliently urged into coincident relationship with the walls of the channels. The side of the testing site, the angle of convergence of the walls, and the spacing of the spaced-apart channels are selected so as to allow the contact portions of the strips, which follow the contours and slopes of the sloping walls, to act as guideways to guide terminals of a circuit element being tested into suitable electrical contact. The testing site may be provided with a slidable short-circuiting-preventing member.

REFERENCES:
patent: 2550234 (1951-04-01), Ducan
patent: 3711768 (1973-01-01), Frazin
patent: 3873915 (1975-03-01), Hayes
patent: 4250446 (1981-02-01), Ponte
patent: 5262728 (1993-11-01), Shershen

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