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. 10, 2024
Filed:
Jun. 10, 2019
Sanyo Electric Co., Ltd., Osaka, JP;
Takeshi Hashimoto, Nara, JP;
PANASONIC ENERGY CO., LTD., Osaka, JP;
Abstract
The battery pack includes cylindrical battery, a circuit board, and an exterior case including first case and second case. First case has a curved portion along an outer peripheral surface of cylindrical battery and first vertical wall connected to an end edge of the curved portion. Second case has second vertical wall connected to first vertical wall. First vertical wall has fitting protrusion protruding from opposed surface facing second vertical wall. Second vertical wall has fitting groove that is formed in opposed surface facing first vertical wall and that guides fitting protrusion. Fitting protrusion is guided into fitting groove, and first vertical wall and second vertical wall are welded together. First vertical wall has inner surface in a concave shape along a surface of cylindrical battery, and a leading end portion with opposed surface, being thicker than curved portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile