Chemistry: electrical current producing apparatus – product – and – Having polarity safety feature
Patent
1977-04-01
1978-04-11
Mack, John H.
Chemistry: electrical current producing apparatus, product, and
Having polarity safety feature
325118, H01M 220
Patent
active
040840379
ABSTRACT:
A battery-connection system for a battery having a pair of battery terminals of opposite polarity and positionable in either of two reversed positionings relative to distribution means. The distribution means includes a pair of spaced electrical terminals of particular and opposite polarity electrically connected with a unit to be powered. A carrier interpositioned between the battery and distribution means including a first pair of electrical contacts in singularly-polarized electrical contacting engagement with the respective battery terminals and a second pair of spaced electrical contacts electrically connected with respective ones of the first pair of contacts for singularly-polarized electrical contacting engagement with the respective pair of distribution means terminals. Each contact of the carrier second pair is of opposite polarity to the other, and comprises a set of plural alternate contacts of the same polarity. These alternate contacts of each set are relatively positioned such that the polarity of the connection between the battery terminals and the pair of distribution means terminals is constant for either of the reversed positionings of the battery.
Where the battery includes a pair of differently-keyed battery terminals for establishing polarity, the first contacts on the carrier are similarly keyed for the correct mating engagement with the battery terminals and may be structured to mechanically join the carrier with the battery.
REFERENCES:
patent: 3339169 (1967-08-01), Freeland
patent: 3855534 (1974-12-01), Holcomb
American Optical Corporation
Duggan Jeremiah J.
Feeley H. A.
Mack John H.
Schneeberger Stephen A.
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