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. 14, 2001
Filed:
Aug. 30, 1999
Applicant:
Inventor:
Tadamitsu Azema, Miyagi-ken, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/12 ;
U.S. Cl.
CPC ...
H01M 2/12 ;
Abstract
In a current cutoff mechanism of a cell according to the present invention, a convex portion of the diaphragm is press-fitted into a fitted part, a conductive path is formed between a cell lid and a generating element inside the cell via the diaphragm and an internal electrode and when internal pressure in a cell case exceeds a predetermined value and the diaphragm is displaced, the convex portion of the diaphragm is pulled out from the fitted part and the conductive path is cut off.