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. 24, 2015
Filed:
Aug. 27, 2008
Yong-sam Kim, Gyeonggi-do, KR;
Sang-won Byun, Gyeonggi-do, KR;
Ji-hyoung Yoon, Gyeonggi-do, KR;
Masanori Kogure, Gyeonggi-do, KR;
Zin Park, Gyeonggi-do, KR;
Yong-Sam Kim, Gyeonggi-do, KR;
Sang-Won Byun, Gyeonggi-do, KR;
Ji-Hyoung Yoon, Gyeonggi-do, KR;
Masanori Kogure, Gyeonggi-do, KR;
Zin Park, Gyeonggi-do, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
There is a provided a secondary battery capable of preventing unloading and rotating caused by possible vibration or shock by increasing a coupling force among the vent plate, the insulator, and the cap-down that compose the cap assembly of the secondary battery. To increase the coupling force among the vent plate, the insulator, and the cap-down, protrusions and corresponding grooves or holes, and grooves with step areas may be formed. Alternatively, a plurality of insulators may be formed in a divided form. A secondary battery with a reliable cap assembly can be implemented through such a structural change.