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:
Sep. 29, 2020
Filed:
Feb. 20, 2015
Gs Yuasa International Ltd., Kyoto-shi, Kyoto, JP;
Yu Shiraishi, Shiga, JP;
GS Yuasa International Ltd., Kyoto, JP;
Abstract
In an energy storage device () including: a container () including a plate-like portion; a positive electrode terminal () including a terminal body portion (); a positive electrode current collector (); a first gasket () including at least a portion that is disposed between the terminal body portion () and an outer surface of the plate-like portion, the first gasket () including a cylindrical portion () that is inserted into the hole portion formed in the plate-like portion; a second gasket () including at least a portion that is disposed between an inner surface of the plate-like portion and the positive electrode current collector (); and a fixing portion () including a columnar portion () and a swaged portion () brought into contact with the positive electrode current collector (), wherein the cylindrical portion () includes an extension portion extending toward the swaged portion () from a contact surface at which the inner surface of the plate-like portion and the second gasket () are in contact, and the extension portion is disposed adjacently to a space formed between the extension portion and the second gasket (), or an outer diameter of a distal end portion of the extension portion closest to the swaged portion () differs from an outer diameter of a proximal end portion of the extension portion opposite to the distal end portion.