Chemistry: electrical current producing apparatus – product – and – Cell support for removable cell – For plural cells
Patent
1997-08-19
1998-12-29
Maples, John S.
Chemistry: electrical current producing apparatus, product, and
Cell support for removable cell
For plural cells
429100, H01M 210
Patent
active
058539158
ABSTRACT:
Battery pack for use in various electronic products are pivotably connected together by two parallel link assemblies which permit the two portions of the battery pack to be folded with respect to one another into various configurations. Each link assembly includes a rotary electrical connection, one link providing a supply path and the other link supplying a return path to the batteries in both casings. Wiper type contacts are supplied in each link. External contacts may be located in one of the two casings or one contact may be located on each of the two casings. In one embodiment a flexible printed circuit board wire trace is used to provide an electrical connection between opposing poles of cells in the two casings to eliminate the rotary electrical connection and potential for failure across such connection while still providing multiple configuration adjustability.
REFERENCES:
patent: 2666803 (1954-01-01), Kurlandsky
patent: 3661649 (1972-05-01), Kaye
patent: 3855534 (1974-12-01), Holcomb et al.
patent: 5037711 (1991-08-01), Bonnaud et al.
patent: 5308717 (1994-05-01), Gordin
patent: 5472804 (1995-12-01), Austin et al.
Article from "Elektro Modell", vol. 2, Feb. 1994, copies of cover page and pp. 25-28.
Maples John S.
Mattel Inc.
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