Patent ID: 8465868
Filing Date: 2013-06-18
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
1. A battery pack, comprising: a bare cell including a cap plate on the upper part of the bare cell, the cap plate comprising a fixing member which protrudes from an outer surface of the cap plate, the fixing member being integrally formed with the cap plate as a single body; a circuit accessory coupled with the upper part of the bare cell, the circuit accessory comprising a continuous upper cover, the continuous upper cover comprising a fixing member hole which corresponds to the fixing member, and the fixing member being inserted in and coupled with the fixing member hole; and the fixing member hole comprising two contiguous holes disposed within the continuous upper cover, the two contiguous holes having different diameters, the two contiguous holes forming a stepped surface, the fixing member passing through one of the two contiguous holes, and a head portion of the fixing member laid across the stepped surface disposed between the two contiguous holes.