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:
Sep. 01, 2015

Filed:

Aug. 15, 2014
Applicant:

Gs Yuasa International Ltd., Kyoto-shi, JP;

Inventors:

Masakazu Tsutsumi, Kyoto, JP;

Motoki Hoshino, Kyoto, JP;

Jun Nakamura, Kyoto, JP;

Shinsuke Yoshitake, Kyoto, JP;

Takeshi Sasaki, Kyoto, JP;

Akihiko Miyazaki, Kyoto, JP;

Assignee:

GS YUASA INTERNATIONAL LTD., Kyoto-Shi, Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/26 (2006.01); H01M 4/02 (2006.01); H01G 11/66 (2013.01); H01G 11/74 (2013.01); H01G 11/06 (2013.01); H01G 11/24 (2013.01); H01G 11/70 (2013.01); H01G 11/84 (2013.01); H01M 10/04 (2006.01); H01M 10/0525 (2010.01); H01M 10/058 (2010.01);
U.S. Cl.
CPC ...
H01G 11/66 (2013.01); H01G 11/06 (2013.01); H01G 11/24 (2013.01); H01G 11/70 (2013.01); H01G 11/74 (2013.01); H01G 11/84 (2013.01); H01M 2/263 (2013.01); H01M 10/0431 (2013.01); H01M 10/058 (2013.01); H01M 10/0525 (2013.01); Y02E 60/12 (2013.01); Y02E 60/13 (2013.01); Y10T 29/49117 (2015.01);
Abstract

An electric storage device includes a case, an electrode assembly housed in the case and including a positive electrode plate and a negative electrode plate which are wound together while being isolated from each other, an external terminal arranged outside the case and a current collecting member arranged inside the case to electrically connect the electrode assembly with the external terminal. The current collecting member includes a first portion including a first end portion and a second end portion, and electrically connected to the external terminal, and a second portion extending out of the second end portion of the first portion and electrically connected to the electrode assembly. The second portion includes a base portion including a first end portion and a second end portion, the first end portion of the base portion being connected to the second end portion of the first portion, and a twisted portion.


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