| 发明名称 |
TOOL HOLDER FOR A HAMMER DRILL |
| 摘要 |
<p>A hand-held hammer drill has a one-piece chuck tool holder open at each end. The tool holder is a rotating sleeve (34) with an inner face (62) with six flat faces (62n-64u). Each face (62n-62u) is set at 120 degrees to the next. Each inner face has a slightly concave profile (62a).</p> |
| 申请公布号 |
EP2007556(B1) |
申请公布日期 |
2011.12.28 |
| 申请号 |
EP20070704516 |
申请日期 |
2007.02.12 |
| 申请人 |
ROBERT BOSCH GMBH |
发明人 |
BOHNE, ULRICH;HILD, EUGEN |
| 分类号 |
B25D17/08;B23B31/00;B23B31/107;B25B23/00 |
主分类号 |
B25D17/08 |
| 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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