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:
Feb. 23, 2010
Filed:
Sep. 29, 2005
Kazuaki Urano, Ibaraki, JP;
Osamu Watanabe, Ibaraki, JP;
Yoshiki Somatomo, Ibaraki, JP;
Hitachi Maxell, Ltd., Ibaraki-shi, Osaka, JP;
Abstract
A lidthat closes the upper surface of the opening of a closed-bottom prismatic tubular battery can, an electrode bodyaccommodated in the battery can, a negative terminalpenetratively fastened to the lid, an insulating plateplaced on the lower surface side of the lid, a lead plateplaced on the lower surface side of the insulating plate, and a negative electrode current collector leadled upwardly of the electrode bodyare included. The upper end portion of the current collector leadis welded to the lower surface of the lead plateand bent in a position located rather closer to the front wall of the battery can. The insulating platehas a lid side insulating portionheld between the lidand the lead plateand a front sidewallthat extends downwardly from the front end side of the lid side insulating portion. In a free state before the battery is assembled, the lid side insulating portionand the sidewallof the insulating plateextend roughly straightly.