Polarized battery terminal contact device

Details Polarized battery terminal contact device Polarized battery terminal contact device

1991-10-02

1993-03-16

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Having polarity safety feature

429 96, 429100, 429121, H01M 200, H01M 210

Patent

active

051943409

ABSTRACT:
A contact device including a cylindrical battery which has a circular terminal and a projecting terminal at opposite ends, the projecting terminal having a diameter smaller than that of the circular terminal and having a polarity opposite that of the circular terminal. A battery receptacle has a pair of electrodes to which the respective terminals of the battery are connected when the battery is loaded in the battery receptacle, and a malconnection prevention projection which permits one of the electrodes of the battery receptacle to be electrically connected to the circular terminal of the battery and prevents the one electrode of the battery receptacle from being electrically connected to the projecting terminal of the battery.

REFERENCES:
patent: 3887393 (1975-06-01), La Rue, Jr.
patent: 3984257 (1976-10-01), Zurcher
patent: 4468439 (1984-08-01), Ohara et al.
patent: 4595641 (1986-06-01), Giurtino
patent: 4737420 (1988-04-01), Ikeda et al.

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