CN203269449U - 一种井盖开启装置 - Google Patents
一种井盖开启装置 Download PDFInfo
- Publication number
- CN203269449U CN203269449U CN 201320207254 CN201320207254U CN203269449U CN 203269449 U CN203269449 U CN 203269449U CN 201320207254 CN201320207254 CN 201320207254 CN 201320207254 U CN201320207254 U CN 201320207254U CN 203269449 U CN203269449 U CN 203269449U
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- CN
- China
- Prior art keywords
- opening device
- well lid
- supporting mechanism
- cover opening
- hydraulic efficiency
- 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 - Lifetime
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201320207254 CN203269449U (zh) | 2013-04-11 | 2013-04-11 | 一种井盖开启装置 |
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CN 201320207254 CN203269449U (zh) | 2013-04-11 | 2013-04-11 | 一种井盖开启装置 |
Publications (1)
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CN203269449U true CN203269449U (zh) | 2013-11-06 |
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CN 201320207254 Expired - Lifetime CN203269449U (zh) | 2013-04-11 | 2013-04-11 | 一种井盖开启装置 |
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CN (1) | CN203269449U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109356199A (zh) * | 2018-11-22 | 2019-02-19 | 桐城市丽琼金属制品有限公司 | 一种市政窨井盖排涝防坠井装置 |
-
2013
- 2013-04-11 CN CN 201320207254 patent/CN203269449U/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109356199A (zh) * | 2018-11-22 | 2019-02-19 | 桐城市丽琼金属制品有限公司 | 一种市政窨井盖排涝防坠井装置 |
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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: CHONGQING INFORMATION COMMUNICATION CONSULTING DES Free format text: FORMER NAME: CHONGQING TELECOM PLANNING DESIGN INSTITUTE CO., LTD. |
|
CB03 | Change of inventor or designer information |
Inventor after: Chen Hong Inventor after: Mo Zhengming Inventor after: Cheng Shujin Inventor before: Chen Hong Inventor before: Mo Zhengming Inventor before: Chen Shujin |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHEN HONG MO ZHENGMING CHEN SHUJIN TO: CHEN HONG MO ZHENGMING CHENG SHUJIN |
|
CP01 | Change in the name or title of a patent holder |
Address after: Jiulongpo from science and technology park four 400041 Chongqing Road No. 257 Patentee after: CHONGQING COMMUNICATION DESIGN INSTITUTE CO.,LTD. Address before: Jiulongpo from science and technology park four 400041 Chongqing Road No. 257 Patentee before: Chongqing Telecom Planning Design Institute Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20131106 |