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:
Aug. 15, 2023
Filed:
Mar. 28, 2016
Hitachi Automotive Systems, Ltd., Hitachinaka, JP;
Kohtaroh Ikeda, Hitachinaka, JP;
Kouichi Kajiwara, Hitachinaka, JP;
Vehicle Energy Japan Inc., Hitachinaka, JP;
Abstract
Provided is a rectangular secondary cell enabling seal performance of a gasket to be improved with a simple structure without enlarging a shaft of a terminal. A rectangular secondary cell according to the present invention includes a cell can housing a winding group and having an opening portion, a lid provided with a positive electrode terminal electrically connected to the winding group and closing the opening portion, and a gasket having an interposed portion interposed between the lid and a lower surface of the positive electrode terminal. In the gasket, an external shape of the interposed portion is smaller than an external shape of the lower surface of the positive electrode terminal.