IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0929124
(2011-01-03)
|
등록번호 |
US-8202134
(2012-06-19)
|
우선권정보 |
KR-10-2010-0051441 (2010-05-31) |
발명자
/ 주소 |
- Moon, Jong-Seok
- Hashimoto, Tatsuya
- Kim, Yong-Sam
- Oh, Jeong-Won
- Byun, Sang-Won
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
9 |
초록
▼
An electrode terminal and a secondary battery including the same, the electrode terminal including a screw member, the screw member including a flange on a lower outer peripheral surface thereof; and a coupling member including an upper portion bent so as to surround at least a part of the flange, a
An electrode terminal and a secondary battery including the same, the electrode terminal including a screw member, the screw member including a flange on a lower outer peripheral surface thereof; and a coupling member including an upper portion bent so as to surround at least a part of the flange, and a lower portion bent so as to contact an internal surface of a cap assembly and coupled to the cap assembly.
대표청구항
▼
1. An electrode terminal, comprising: a screw member, the screw member including a flange on a lower outer peripheral surface thereof; anda coupling member including: an upper portion bent so as to surround at least a part of the flange, anda lower portion bent so as to contact an internal surface o
1. An electrode terminal, comprising: a screw member, the screw member including a flange on a lower outer peripheral surface thereof; anda coupling member including: an upper portion bent so as to surround at least a part of the flange, anda lower portion bent so as to contact an internal surface of a cap assembly and coupled to the cap assembly. 2. The electrode terminal structure as claimed in claim 1, wherein: the screw member includes a pillar portion, the pillar portion including a screw thread on an upper outer peripheral surface thereof, andthe flange has a diameter greater than a diameter of the pillar portion. 3. The electrode terminal structure as claimed in claim 1, wherein the upper portion of the coupling member includes: a first pressing unit that is bent so as to surround the flange in one direction; anda second pressing unit that is bent so as to surround the flange in another direction. 4. The electrode terminal structure as claimed in claim 3, wherein at least one of the first pressing unit and the second pressing unit includes a groove therein, the groove corresponding to a shape of the screw member. 5. The electrode terminal structure as claimed in claim 1, wherein the upper portion of the coupling member is coupled to the screw member by being bent so as to surround an entire lower portion of the screw member that includes the flange and is thereby coupled to the flange. 6. The electrode terminal structure as claimed in claim 1, wherein: the coupling member includes at least one coupling bump thereon, andthe lower portion of the screw member includes at least one coupling groove thereon, the coupling groove corresponding to the coupling bump. 7. The electrode terminal structure as claimed in claim 1, wherein: the lower portion of the coupling member includes a shaft portion including an end portion, the end portion having a hollow pipe shape, andthe end portion of the shaft portion is divided into at least two sections, the divided end portion of the shaft portion being bent so as to contact the internal surface of the cap assembly. 8. A secondary battery, comprising: a case accommodating an electrode assembly;a cap assembly sealing the case; andat least one pair of electrode terminals on the cap assembly, the at least one pair of electrode terminals being electrically connected to the electrode assembly,wherein each electrode terminal includes:a screw member, the screw member including a flange on a lower outer peripheral surface thereof; anda coupling member including: an upper portion bent so as to surround at least a part of the flange, anda lower portion bent so as to contact an internal surface of a cap assembly and coupled to the cap assembly. 9. The secondary battery as claimed in claim 8, wherein: the lower portion of the coupling member passes through a hole in the cap assembly, anda first sealing member including an insulating material is between the coupling member and an upper outer surface of the cap assembly. 10. The secondary battery as claimed in claim 8, wherein a second sealing member including an insulating material is between the coupling member and the internal surface of the cap assembly. 11. The secondary battery as claimed in claim 8, further comprising a tap between the coupling member and the internal surface of the cap assembly so as to electrically connect the electrode terminal and the electrode assembly, the tap being bent at a predetermined angle. 12. The secondary battery as claimed in claim 8, wherein: the screw member includes a pillar portion, the pillar portion including a screw thread on an upper outer peripheral surface thereof, andthe flange has a diameter greater than a diameter of the pillar portion. 13. The secondary battery as claimed in claim 8, wherein the upper portion of the coupling member includes: a first pressing unit that is bent so as to surround the flange in one direction; anda second pressing unit that is bent so as to surround the flange in another direction. 14. The secondary battery as claimed in claim 13, wherein at least one of the first pressing unit and the second pressing unit includes a groove therein, the groove corresponding to a shape of the screw member. 15. The secondary battery as claimed in claim 8, wherein the upper portion of the coupling member is coupled to the screw member by being bent so as to surround an entire lower portion of the screw member that includes the flange and is thereby coupled to the flange. 16. The secondary battery as claimed in claim 8, wherein: the coupling member includes at least one coupling bump thereon, andthe lower portion of the screw member includes at least one coupling groove thereon, the coupling groove corresponding to the coupling bump. 17. The secondary battery as claimed in claim 8, wherein: the lower portion of the coupling member includes a shaft portion including an end portion, the end portion having a hollow pipe shape, andthe end portion of the shaft portion is divided into at least two sections, the divided end portion of the shaft portion being bent so as to contact the internal surface of the cap assembly.
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