Patent ID: 9412982
Filing Date: 2016-08-09
CPC Classification: H01M,Y02E

Claim Text:
1. A battery pack for an electric power tool that is detachably mounted on a tool body of the electric power tool for serving as a power source for the electric power tool, the battery pack comprising: a case; battery cells; and a cell holder that is inserted into the case, the cell holder covering at least a part of the battery cells, wherein a dimensional difference interposition member serves to bridges a dimensional difference between the cell holder and the inside of the case by generating a pressing force applied to the case when the cell holder is inserted; the dimensional difference interposition member being molded integrally with the cell holder; and the dimensional difference interposition member is formed as a cutout in the cell holder, and serves to bridge the dimensional difference by the elasticity thereof when the cell holder is completely inserted into the case.