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BATTERY TESTER

  • US 3,736,498 A
  • Filed: 08/25/1971
  • Issued: 05/29/1973
  • Est. Priority Date: 08/25/1971
  • Status: Expired due to Term
First Claim
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1. A battery tester comprising, in combination, a base, means on said base for establishing electrical contact with a first pole of a dry cell battery placed thereon, a hollow stem connected to said base having a lower end and an upper end said stem defining a receiving chamber in said lower end, a plunger positioned in said receiving chamber in axial sliding contact with said stem, a compression spring in said receiving chamber urging said plunger toward an uppermost position, a horizontal socketed arm connected to an upper end of said plunger over said base said upper end of said stem defining a guide channel for guiding the vertical travel of said horizontal arm, whereby relative horizontal motion of said arm and said stem is prevented, a test lamp on said horizontal arm and in electrical contact therewith, means on said horizontal arm for establishing electrical contact between a center contact of said test lamp and a second pole of said battery;

  • said base, said stem, said plunger, and said horizontal arm comprising an electrically conductive material whereby downward movement of said horizontal arm, carried by said plunger, into contact with said second pole of said battery upon said base creates an electrical circuit between said battery and said lamp for testing the output of said battery.

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