Electrical circuit continuity tester

Details Electrical circuit continuity tester Electrical circuit continuity tester

1976-01-26

1977-01-25

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 725, G01R 3102, G01R 106

Patent

active

040053628

ABSTRACT:
An electrical circuit continuity tester is described having a minimum number of components and including only a bulb, a cylindrical tube, batteries, a spring and 2 contacts which also serve as probes. One contact grips the bulb, affording mechanical and electrical contact between it and the battery while it simultaneously retains all the components in relative position. The other contact is needle shaped and is designed to minimize possible inadvertent shorts. For assurance against the continuity tester disassembling in storage or use, a simple bulb cover locks the bulb gripping contact, and hence the entire assembly, in position.

REFERENCES:
patent: 1386474 (1921-08-01), Vince
patent: 2413484 (1946-12-01), Berger
patent: 2459351 (1949-01-01), Weincord
patent: 2581116 (1952-01-01), Lewis
patent: 2588559 (1952-03-01), Needham
patent: 2666894 (1954-01-01), Babernitsh
patent: 3227948 (1966-01-01), Cheshire

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