| 发明名称 |
Drilling device for producing drilled holes with an undercut |
| 摘要 |
In a drilling device for producing drilled holes with an undercut, in particular in facing panels of stone, ceramics, concrete or similar materials a drive motor of a drilling shaft is mounted so as to swivel, is displaced outward by a sloping surface, and is driven by a lead screw gear unit to perform a precession movement.
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| 申请公布号 |
US5702212(A) |
申请公布日期 |
1997.12.30 |
| 申请号 |
US19960632963 |
申请日期 |
1996.04.16 |
| 申请人 |
ERATH, HERBERT;BLAESE, ARMIN |
发明人 |
ERATH, HERBERT;BLAESE, ARMIN |
| 分类号 |
B28D1/14;B23B45/16;B23B51/00;(IPC1-7):B23B41/00 |
主分类号 |
B28D1/14 |
| 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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