CN203808231U - Underground cleaning device - Google Patents
Underground cleaning device Download PDFInfo
- Publication number
- CN203808231U CN203808231U CN201420157386.2U CN201420157386U CN203808231U CN 203808231 U CN203808231 U CN 203808231U CN 201420157386 U CN201420157386 U CN 201420157386U CN 203808231 U CN203808231 U CN 203808231U
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- vertical plate
- dirty
- hydraulic cylinder
- 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
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 13
- 238000010408 sweeping Methods 0.000 claims abstract description 16
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420157386.2U CN203808231U (en) | 2014-04-02 | 2014-04-02 | Underground cleaning device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420157386.2U CN203808231U (en) | 2014-04-02 | 2014-04-02 | Underground cleaning device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203808231U true CN203808231U (en) | 2014-09-03 |
Family
ID=51447009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420157386.2U Expired - Fee Related CN203808231U (en) | 2014-04-02 | 2014-04-02 | Underground cleaning device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203808231U (en) |
-
2014
- 2014-04-02 CN CN201420157386.2U patent/CN203808231U/en 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 | ||
ASS | Succession or assignment of patent right |
Owner name: BEIJING DONGFANG YANJING MINE ENGINEERING DESIGN L Free format text: FORMER OWNER: LIU HONGGANG Effective date: 20150731 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150731 Address after: 100070 Beijing City, Fengtai District science and Technology Park Fung Fu Road No. 4 Patentee after: Beijing Dongfang Yanjing Mining Engineering Design Co., Ltd. Address before: 225300 Jiangsu city of Taizhou province Su Chen Zhen Xi Shi Yang Cun Hailing District ten groups Patentee before: Liu Honggang |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20160402 |
|
CF01 | Termination of patent right due to non-payment of annual fee |