| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To integrate an upper case and a lower case by sufficient strength even at a corner concerning a battery pack and a case, thus enabling the integration to be applied, for example, to the battery pack of a so-called notebook personal computer. <P>SOLUTION: In the battery pack, a dovetail groove 15 and a protrusion 16 engaging with the dovetail groove 15 are formed at a portion adjacent to the corner. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
