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.
Patent No.:
Date of Patent:
Jul. 29, 2014
Filed:
May. 13, 2011
Syun Ito, Kyoto, JP;
Yuu Shiraishi, Kyoto, JP;
Syun Ito, Kyoto, JP;
Yuu Shiraishi, Kyoto, JP;
GS Yuasa International Ltd., Kyoto, JP;
Abstract
The present invention provides a battery including a rivet either inserted into a through hole defined in a lid of a battery case with gaskets and interposed therebetween, the rivet connecting a current collector connected to a power generating element within the battery case and an external terminal. One end of the rivet in the axial direction is connected to the current collector, and provided with a tubular portion recessed in the axial direction, the tubular portion is defined in one of such manners that a bottom surface of the tubular portion reaches the lid of the battery case and that the bottom surface is positioned on a side of the other end beyond the lid of the battery case, and a thickness of the tubular portion increases from the one end toward the other end.