CN201695963U - Automatic centralizing anti-wear body of sucker rod - Google Patents
Automatic centralizing anti-wear body of sucker rod Download PDFInfo
- Publication number
- CN201695963U CN201695963U CN2010202531318U CN201020253131U CN201695963U CN 201695963 U CN201695963 U CN 201695963U CN 2010202531318 U CN2010202531318 U CN 2010202531318U CN 201020253131 U CN201020253131 U CN 201020253131U CN 201695963 U CN201695963 U CN 201695963U
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- CN
- China
- Prior art keywords
- sucker rod
- cambered surface
- groove
- great circle
- clamping groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
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Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010202531318U CN201695963U (en) | 2010-06-22 | 2010-06-22 | Automatic centralizing anti-wear body of sucker rod |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010202531318U CN201695963U (en) | 2010-06-22 | 2010-06-22 | Automatic centralizing anti-wear body of sucker rod |
Publications (1)
Publication Number | Publication Date |
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CN201695963U true CN201695963U (en) | 2011-01-05 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010202531318U Expired - Fee Related CN201695963U (en) | 2010-06-22 | 2010-06-22 | Automatic centralizing anti-wear body of sucker rod |
Country Status (1)
Country | Link |
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CN (1) | CN201695963U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101864911A (en) * | 2010-06-22 | 2010-10-20 | 陈宁 | Automatic righting anti-abrasion body of oil pumping rod |
-
2010
- 2010-06-22 CN CN2010202531318U patent/CN201695963U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101864911A (en) * | 2010-06-22 | 2010-10-20 | 陈宁 | Automatic righting anti-abrasion body of oil pumping rod |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Yang Guofeng Inventor after: Liu Qing Inventor after: Zheng Yali Inventor after: Deng Yuhua Inventor after: Gu Xiaodong Inventor after: Yin Fengli Inventor before: Yang Guofeng Inventor before: Zheng Yali Inventor before: Gu Xiaodong Inventor before: Yin Fengli Inventor before: Deng Yuhua Inventor before: Liu Qing |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YANG GUOFENG ZHENG YALI GU XIAODONG YIN FENGLI DENG YUHUA LIU QING TO: YANG GUOFENG LIU QING ZHENG YALI DENG YUHUA GU XIAODONG YIN FENGLI |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20120622 |