Battery compartment having battery polarity protection

Details Battery compartment having battery polarity protection Battery compartment having battery polarity protection

1985-05-21

1986-06-17

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Having polarity safety feature

429 99, H01M 210

Patent

active

045956413

ABSTRACT:
A battery compartment providing reverse-polarity and reduced voltage protection for a portable battery-powered electronic apparatus includes an elongated chamber for receiving a plurality of series-connected standard "D"-type battery cells. Positive and negative polarity electrical contact assemblies at each end of the chamber engage the positive and negative end terminals of the serially connected battery cells when the cells are properly orientated in the compartment. When the batteries are misoriented, an insulating member on the positive contact assembly prevents electrical contact with the negative battery terminal, and an insulator member on the negative contact assembly prevents electrical contact with the positive battery cell terminal.

REFERENCES:
patent: 2293354 (1942-08-01), Munchow
patent: 3990919 (1976-11-01), Krueger

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