发明名称 |
FEED MECHANISM FOR DRILLING SYSTEMS |
摘要 |
A cartridge feed screw nut includes a body having a tubular threaded opening defined therein and having side portions. The side portions include a plurality of lateral surfaces and a plurality of end surfaces. The lateral surfaces and the end surfaces form a profile shaped to prevent rotation of the cartridge feed screw nut relative to a front washer cylinder through engagement between at least one of the lateral surfaces or the end surfaces with the front washer cylinder.
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申请公布号 |
US2010059280(A1) |
申请公布日期 |
2010.03.11 |
申请号 |
US20080340223 |
申请日期 |
2008.12.19 |
申请人 |
LONGYEAR TM, INC. |
发明人 |
ROBERTS NEIL JAMES |
分类号 |
F16H25/24;B23B35/00;B23B47/18;B23Q5/40;E21B4/00;E21B10/44;E21B12/00 |
主分类号 |
F16H25/24 |
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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