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:
Mar. 31, 2020

Filed:

Jul. 13, 2016
Applicant:

Hitachi Automotive Systems, Ltd., Hitachinaka-shi, Ibaraki, JP;

Inventors:

Osamu Kubota, Tokyo, JP;

Masaaki Iwasa, Hitachinaka, JP;

Hitoshi Nishimori, Hitachinaka, JP;

Akihide Tanaka, Hitachinaka, JP;

Assignee:

Hitachi Automotive Systems, Ltd., Hitachinaka-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0587 (2010.01); H01M 10/0585 (2010.01); H01M 10/0525 (2010.01); H01M 2/04 (2006.01); H01M 2/10 (2006.01); H01M 4/38 (2006.01); H01M 4/36 (2006.01); H01M 4/485 (2010.01); H01M 4/66 (2006.01); H01M 2/14 (2006.01); H01M 2/18 (2006.01); H01M 10/04 (2006.01); H01M 2/02 (2006.01); H01M 2/16 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0587 (2013.01); H01M 2/0237 (2013.01); H01M 2/04 (2013.01); H01M 2/043 (2013.01); H01M 2/10 (2013.01); H01M 2/1072 (2013.01); H01M 2/14 (2013.01); H01M 2/18 (2013.01); H01M 4/364 (2013.01); H01M 4/366 (2013.01); H01M 10/0431 (2013.01); H01M 2/16 (2013.01); H01M 4/382 (2013.01); H01M 4/485 (2013.01); H01M 4/662 (2013.01); H01M 10/0525 (2013.01); H01M 10/0585 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01);
Abstract

Provided is a secondary cell which is resistant to vibration and impact. The secondary cell includes a flat wound group supported, through an insulator, at a lid on which external terminals are arranged, and a cell case for housing the flat wound group. In the secondary cell, a flat portion of the flat wound group has a gap between the flat portion and a wide surface of the cell case, and is held on the wide surface near a cell case bottom through a holding portion.


Find Patent Forward Citations

Loading…