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:
Sep. 05, 2017
Filed:
Apr. 07, 2015
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Dae-Kyu Kim, Yongin-si, KR;
Takao Abe, Yongin-si, KR;
SAMSUNG SDI CO., LTD., Yongin-Si, Gyeonggi-Do, KR;
Abstract
A rechargeable battery including an electrode assembly; a case accommodating the electrode assembly; and a cap assembly coupled with an opening of the case with a gasket between the cap assembly and the case, wherein the cap assembly includes a vent plate that is electrically connected to a cap plate; a middle plate that is separated from the vent plate, that includes a through-hole that is penetrated by a vent protruding from the vent plate, and that is electrically connected to the second electrode; an insulator interposed between the vent plate and the middle plate; and a sub-plate electrically connecting the vent with the middle plate, wherein at least one of the vent plate or the middle plate includes a protrusion and a groove facing the insulator, the protrusion being coupled with a complementary groove in the insulator and the groove being coupled with a complementary protrusion in the insulator.