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:
Oct. 29, 2024
Filed:
Dec. 20, 2019
Sanyo Electric Co., Ltd., Osaka, JP;
Go Yamashiro, Hyogo, JP;
SANYO Electric Co., Ltd., Osaka, JP;
Abstract
A power supply device includes a battery stack body in which a plurality of secondary battery cells are stacked, a pair of end plates covering both end surfaces of the battery stack body, and a plurality of fastening members disposed on the side surface of the battery stack body and fasten the end plates to each other. Fastening member includes plate-shaped bar extended in a stack direction of the secondary battery cells, and locking blocks fixed to both ends of plate-shaped bar. Locking block is formed to be thicker than plate-shaped bar, is joined to an end surface of plate-shaped bar, and protrudes toward an outer peripheral surface of the end plate. The end plate is provided with a stopper portion abutting on locking block on a part close to the battery stack body of a fitting portion to which locking block is guided, and locking block is locked to the stopper portion to fasten the end plate with fastening member.