| 发明名称 |
PERCUSSION DRILLING MACHINE |
| 摘要 |
A hammer drill has clamping jaws which are provided, in addition to clamping surfaces for radial clamping a cylindrical tool shaft, also with additional axially extending guiding surfaces for axially non-rotatably holding and guiding of the tool shaft, and the tool shaft is provided with guiding grooves associated with the clamping jaws. |
| 申请公布号 |
DE3468637(D1) |
申请公布日期 |
1988.02.18 |
| 申请号 |
DE19843468637 |
申请日期 |
1984.07.07 |
| 申请人 |
METABOWERKE GMBH & CO. |
发明人 |
SCHNIZLER, ALBRECHT;SCHULZ, MANFRED, DIPL.-ING.;BARTMANN, KLAUS |
| 分类号 |
B23B45/16;E21B1/30;(IPC1-7):B23B31/04 |
主分类号 |
B23B45/16 |
| 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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