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:
Dec. 16, 2025
Filed:
Jan. 20, 2021
Sanyo Electric Co., Ltd., Osaka, JP;
SANYO Electric Co., Ltd., Osaka, JP;
Abstract
Power source device includes: battery stack in which a plurality of battery cells are stacked; a pair of end plates that each have a plate shape having a main surface and a side surface intersecting the main surface, are formed with plate screw hole on the side surface, and are arranged on both side end surfaces of battery stack; a plurality of fastening members that are extended in stack direction of the battery stack, have fastening screw holes opened at ends, and couple end plates to each other; and bolt that is inserted into fastening screw hole of each fastening member and plate screw hole of end plate to fix the fastening member to end plate. The fastening member includes plate-shaped fastening body, intermediate part obtained by bending both ends of fastening body, and coupling piece obtained by bending an end of intermediate part far from fastening body to provide a height difference from fastening body and form fastening screw hole.