发明名称 |
Impact adapter for transfer of impacts and rotation from an impact rock drilling machine to a drill string |
摘要 |
Impact adapter for transfer of impacts and rotation from an impact rock drilling machine to a drill string comprising a first end ( 5 ) for connection to a drill string and a second end provided with ridges ( 7 ) and interposed grooves ( 8 ) for transfer of rotation. The grooves ( 8 ) at the end ( 9 ) directed away from the first end ( 5 ) of the impact adapter ( 2 ) are widened in the direction away from the first end ( 5 ).
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申请公布号 |
US7438138(B2) |
申请公布日期 |
2008.10.21 |
申请号 |
US20050525933 |
申请日期 |
2005.02.25 |
申请人 |
ATLAS COPCO ROCK DRILLS AB |
发明人 |
ANDERSSON KURT;JONSSON PER |
分类号 |
E02D7/02;B25D16/00;B25D17/06;E21B1/38;E21B6/02 |
主分类号 |
E02D7/02 |
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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