发明名称 |
IMPROVED ROD GUIDE |
摘要 |
A rod guide for a cylindrical rod. The rod guide includes a cylindrical bo dy surrounding and coaxial with the rod. A first pair of opposed fins extends from the cylindrical body, each first fin having a pair of planar sidewalk parallel t o each other and parallel to the diameter of the cylindrical body. A second pair of opposed fins, each has a pair of radiused sidewalk wherein each second fin extends outward radially from the cylindrical body to a terminal end with the fin widest at its terminal end.< /SDOAB>
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申请公布号 |
CA2278263(C) |
申请公布日期 |
2002.02.19 |
申请号 |
CA19992278263 |
申请日期 |
1999.07.20 |
申请人 |
NORRIS SUCKER RODS |
发明人 |
CRAFT, STEVE;WHITE, BRETT;ABDO, GARY E.;WHITE, JACK DALTON |
分类号 |
E21B17/10;(IPC1-7):E21B17/00 |
主分类号 |
E21B17/10 |
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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