The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 28, 2005

Filed:

Sep. 13, 2002
Applicants:

Toshio Takeshita, Kanagawa, JP;

Hisashi Aoki, Aichi, JP;

Kei Tashiro, Kanagawa, JP;

Inventors:

Toshio Takeshita, Kanagawa, JP;

Hisashi Aoki, Aichi, JP;

Kei Tashiro, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02J007/00 ; H01M002/10 ;
U.S. Cl.
CPC ...
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 packconnects in series and house a plurality of square pole-like battery cellsin a battery case, the plurality of battery cells each having a battery lidpositioned at the front side thereof, wherein a negative pole side tabthat is connected to a battery can bottomof a battery cell and extends to the battery lid side, an intermediate connection tabconnecting a positive side pole of the battery cell to a battery can bottom of adjacent another battery cell and a positive pole side tabconnected to a positive pole terminal part of said another battery cell are provided, and a cell side insulating sheetis provided between the respective negative pole side tab, intermediate connection tab and the sides of respective battery cans, and a projecting tab for pressing side edge partsE extending in the front and back direction of the respective battery cells, upper corner ribs, small ribsand lower corner ribs(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.


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