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. 25, 2014
Filed:
Jan. 11, 2008
Yong-sam Kim, Suwon-si, KR;
Yoon-cheol Jeon, Suwon-si, KR;
Yong-Sam Kim, Suwon-si, KR;
Yoon-Cheol Jeon, Suwon-si, KR;
Samsung SDI Co., Ltd., , KR;
Abstract
A cap assembly and a secondary battery having the same which can prevent current from flowing out of the battery by preventing contact of a broken vent member with a cap. The vent member is broken due to an internal pressure of the secondary battery greater than a predetermined level. The cap assembly includes a vent member having a plurality of notches formed in a radial direction from the center of the vent member and a plurality of reinforcement parts formed between the notches. The cap assembly may include a vent member having a plurality of notches formed between two adjacent notches so that the vent member folds when the internal pressure of the secondary battery is too great.