Reverse polarity protection assembly

Details Reverse polarity protection assembly Reverse polarity protection assembly

1991-12-12

1993-07-20

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Having polarity safety feature

429100, H01M 210

Patent

active

052292207

ABSTRACT:
A reverse polarity protection assembly (40) comprises an electronic product housing (102) having a battery compartment (90) having a recessed positive contact (70) and recessed negative contact (80). The assembly further comprises a battery holder (44) carried within the battery compartment (90). The battery holder has a plurality of leaf spring contacts (54) biased towards each other at opposing ends of the battery holder, the battery holder having external battery contacts (56 and 58) to contact the recessed positive and negative contacts. The assembly finally comprises a plurality of non-conductive spacers (10) carried by at least some of the leaf spring contacts, each of the spacers have an aperture (7) allowing a protruding terminal (43) of a battery (42) to contact the leaf spring contact and preventing a flat terminal (45) of a battery from contacting the leaf spring contact.

REFERENCES:
patent: 4414298 (1983-11-01), Krenz
patent: 4468439 (1984-08-01), Ohara et al.
patent: 4690878 (1987-09-01), Nakamura
patent: 4737420 (1988-04-01), Ikeda et al.
patent: 5024605 (1991-06-01), Kasatani et al.
patent: 5116699 (1992-05-01), Miyajima

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