发明名称 |
Battery pack and cordless power tool having the same |
摘要 |
A compact battery pack with high handling ability and restraining degradation of battery cells. The battery pack includes an insertion portion to be inserted into a handle portion of a cordless power tool and an accommodation portion in which all battery cells are accommodatable. A protection board with a protection circuit that protects batteries against overcharge and over-discharge is installed in the insertion portion. A switching element is connected between the battery cells and a drive motor of the power tool. An air passage in communication with the battery pack is formed within the handle and a main housing of the cordless power tool. The switching element is positioned at the air passage.
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申请公布号 |
US2006222930(A1) |
申请公布日期 |
2006.10.05 |
申请号 |
US20060396681 |
申请日期 |
2006.04.04 |
申请人 |
ARADACHI TAKAO;TAKANO NOBUHIRO;NISHIKAWA TOMOMASA;HANAWA HIROYUKI;OGURA MASAYUKI;FUNABASHI KAZUHIKO |
发明人 |
ARADACHI TAKAO;TAKANO NOBUHIRO;NISHIKAWA TOMOMASA;HANAWA HIROYUKI;OGURA MASAYUKI;FUNABASHI KAZUHIKO |
分类号 |
H01M2/10;H01M2/12 |
主分类号 |
H01M2/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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