Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Patent
1981-10-30
1982-11-23
Tokar, Michael J.
Electricity: measuring and testing
Electrolyte properties
Using a battery testing device
324435, 324158F, G01N 2742
Patent
active
043607802
ABSTRACT:
A battery tester adaptable for testing both 1.5 and 9 volt batteries is disclosed. The tester includes an indicator lamp carried by an arm extending over a base which receives the battery to be tested. The arm is attached to a plunger, vertically slidable within a stem connected to the base. A bias spring urges the arm to an uppermost position on the stem. Conductive means on the base, stem, plunger, and arm provides a partial circuit between the lamp and a first pole of a cylindrical 1.5 volt battery in contact with the base. A resistive terminal is attached to the arm near the indicator lamp. Depression of the arm from its uppermost positions places a protruding terminal on the lamp in contact with a second pole of either a cylindrical or rectangular battery. Such depression of the arm also places the terminal secured on the arm in contact with a first pole of a rectangular battery. Thus, a circuit is completed between either type of battery and the lamp.
REFERENCES:
patent: 1337160 (1920-04-01), Riebeth
patent: 2602096 (1952-07-01), Gilbert
patent: 2708735 (1953-05-01), Sparr
patent: 3736498 (1973-05-01), Skutch
patent: 4204161 (1980-05-01), Strickland
Mueller, "The Gould Battery Handbook", 1973, pp. 21, 22 and 27.
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