CN200985795Y - 单向锁 - Google Patents
单向锁 Download PDFInfo
- Publication number
- CN200985795Y CN200985795Y CN 200620135173 CN200620135173U CN200985795Y CN 200985795 Y CN200985795 Y CN 200985795Y CN 200620135173 CN200620135173 CN 200620135173 CN 200620135173 U CN200620135173 U CN 200620135173U CN 200985795 Y CN200985795 Y CN 200985795Y
- Authority
- CN
- China
- Prior art keywords
- valve
- cavity
- valve body
- valve seat
- return spring
- 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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- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620135173 CN200985795Y (zh) | 2006-12-22 | 2006-12-22 | 单向锁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620135173 CN200985795Y (zh) | 2006-12-22 | 2006-12-22 | 单向锁 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN200985795Y true CN200985795Y (zh) | 2007-12-05 |
Family
ID=38915253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200620135173 Expired - Fee Related CN200985795Y (zh) | 2006-12-22 | 2006-12-22 | 单向锁 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN200985795Y (zh) |
-
2006
- 2006-12-22 CN CN 200620135173 patent/CN200985795Y/zh not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: ZHENG ZHOU COALA MACHINE HYDRAULIC PRESSURE ELECTR Free format text: FORMER NAME: ZHENGZHOU HENGDA HYDRAULIC ENGINEER CENTER |
|
CP03 | Change of name, title or address |
Address after: No. 105, Huashan Road, Henan, Zhengzhou Province, China: 450013 Patentee after: Hydraulic & Electric Control Equipment Co., Ltd., Zhengzhou Coal Mining Machinery Group Co., Ltd. Address before: No. 105, Huashan Road, Henan, Zhengzhou Province, China: 450013 Patentee before: Zhengzhou Hengda Hydraulic Engineering Center |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071205 Termination date: 20131222 |