Patent ID: 11936054
Assignee: GS YUASA INTERNATIONAL LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. An energy storage device comprising:
an outer case including a lid plate on which an external terminal is mounted;
a plate including a tab and housed in the outer case;
a conductive shaft portion penetrating the lid plate and including one end thereof connected to the external terminal; and
a conductive plate portion housed in the outer case, and including a first surface to which an other end of the conductive shaft portion is connected and a second surface to which the tab is connected,
wherein a size of the conductive plate portion is set larger than a size of the external terminal in a planar direction of the lid plate,
wherein the external terminal includes a counter bore in an outer surface of the external terminal, and
wherein one end of the conductive shaft portion is swaged, disposed in an inside of the counter bore, and is in a same level as the outer surface of the external terminal or is placed closer to the lid plate than the outer surface of the external terminal in a direction in which the conductive shaft portion extends.