Battery pack

Details Battery pack Battery pack

2005-06-28

2005-06-28

Tibbits, Pia (Department: 2838)

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

C429S099000

Reexamination Certificate

active

06911802

ABSTRACT:
An object of the present invention is to secure a space in a battery case to house battery cells or minimum gaps to allow swelling of battery cells, so that the battery cells can be held in the battery case without play.A battery pack1connects in series and house a plurality of square pole-like battery cells3in a battery case3, the plurality of battery cells each having a battery lid32positioned at the front side thereof, wherein a negative pole side tab37that is connected to a battery can bottom35of a battery cell and extends to the battery lid side, an intermediate connection tab36connecting a positive side pole of the battery cell to a battery can bottom of adjacent another battery cell and a positive pole side tab34connected to a positive pole terminal part of said another battery cell are provided, and a cell side insulating sheet50is provided between the respective negative pole side tab, intermediate connection tab and the sides of respective battery cans31, and a projecting tab for pressing side edge parts3E extending in the front and back direction of the respective battery cells, upper corner ribs13, small ribs21and lower corner ribs22(side edge pressing part) are respectively provided on the inner face of the upper side case and on the inner face of the lower side case.

REFERENCES:
patent: 6485861 (2002-11-01), Takeshita et al.
patent: 6636016 (2003-10-01), Tanaka et al.
patent: 8-17412 (1996-01-01), None
patent: 9-27306 (1997-01-01), None
patent: 10-340710 (1998-12-01), None
patent: 11-45689 (1999-02-01), None

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