Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ji-Hyoung Yoon0
Masanori Kogure0
Sang-Won Byun0
Yong-Sam Kim0
Zin Park0
Date of Patent
February 24, 2015
0Patent Application Number
121997440
Date Filed
August 27, 2008
0Patent Citations Received
Patent Primary Examiner
Patent 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.
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