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. 23, 2015

Filed:

Jul. 17, 2008
Applicant:

Keiichiro Kobayashi, Toyota, JP;

Inventor:

Keiichiro Kobayashi, Toyota, JP;

Assignee:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/10 (2006.01); H01M 2/02 (2006.01);
U.S. Cl.
CPC ...
H01M 2/1077 (2013.01); H01M 2/024 (2013.01);
Abstract

A battery assembly has circular cylindrical rechargeable/dischargeable battery cells () and a holding member for holding the battery cells. On the outer peripheral surface () of each battery cell are formed wavy irregularities () arranged in the circumferential direction of the battery cell and extending longitudinally. The holding member has battery cell installation holes each having grooves () formed in an inner peripheral surface () of the installation hole and engaging with the irregularities (). The battery cells () are held inserted in the battery cell installation holes in the holding member, and in this state, the irregularities () on the outer peripheral surfaces () of the battery cells and the grooves () are fitted to each other.


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