Structure of terminal for coin-shaped battery

Details Structure of terminal for coin-shaped battery Structure of terminal for coin-shaped battery

1997-11-07

1999-08-03

Bradley, Paula

Electrical connectors

Energy cell substitution device including plural contacts or...

439 96, H01R 300

Patent

active

059316934

ABSTRACT:
An improved terminal apparatus is provided for electrical connections to a coin-shaped battery of a kind which may be employed in portable electronic equipment. The terminal apparatus includes a positive terminal plate for engaging a side surface (i.e., a positive electrode) of the coin-shaped battery and a negative terminal plate for engaging the bottom (i.e., a negative electrode) of the battery. The positive terminal plate is geometrically oriented so as to establish constant engagement with the side surface of the battery when placed in a battery holder. In a preferred embodiment of the invention, the positive terminal plate is made of a spring member and is curved toward the battery holder to elastically urge the side surface of the battery for constant engagement therewith. Alternatively, the positive terminal plate includes a hook portion engaging the side surface of the battery when placed in the battery holder. Further, the positive terminal plate has formed thereon a magnetized portion for attracting the side surface of the battery when placed in the battery holder for establishing constant engagement therewith.

REFERENCES:
patent: 5077572 (1991-12-01), Morisawa
patent: 5188912 (1993-02-01), Katoh et al.
patent: 5203709 (1993-04-01), Huang
patent: 5552240 (1996-09-01), Derstine

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