Patent ID: 11901587
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 1:
2. A battery pack comprising a battery cell, an input/output terminal to/from which a charging/discharging current of the battery cell is to be inputted/outputted, and a connector detachably connected to the input/output terminal, wherein
the input/output terminal comprises a first hollow conductive member protruding in a first direction and a second hollow conductive member protruding to surround an outer periphery of the first hollow conductive member,
the connector comprises a central guide protruding in a second direction opposite to the first direction, and a third hollow conductive member protruding to surround an outer periphery of the central guide,
the central guide is fitted into a hollow portion of the first hollow conductive member,
the third hollow conductive member is fitted into a space between the first and second hollow conductive members and is electrically connected to the first and second hollow conductive members by an elastic connection member arranged in the space, and
the elastic connection member comprises a disk member and an inner ring elastic piece and an outer ring elastic piece protruding from an inner ring and an outer ring of the disk member, respectively, in the first direction.