CN201071729Y - Four-beam parallel combination sliding upper beam hydraulic support - Google Patents
Four-beam parallel combination sliding upper beam hydraulic support Download PDFInfo
- Publication number
- CN201071729Y CN201071729Y CNU2007200971330U CN200720097133U CN201071729Y CN 201071729 Y CN201071729 Y CN 201071729Y CN U2007200971330 U CNU2007200971330 U CN U2007200971330U CN 200720097133 U CN200720097133 U CN 200720097133U CN 201071729 Y CN201071729 Y CN 201071729Y
- Authority
- CN
- China
- Prior art keywords
- back timber
- guide
- top beam
- right guide
- connecting rod
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000005065 mining Methods 0.000 abstract description 6
- 238000004080 punching Methods 0.000 abstract 2
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200971330U CN201071729Y (en) | 2007-08-17 | 2007-08-17 | Four-beam parallel combination sliding upper beam hydraulic support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200971330U CN201071729Y (en) | 2007-08-17 | 2007-08-17 | Four-beam parallel combination sliding upper beam hydraulic support |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201071729Y true CN201071729Y (en) | 2008-06-11 |
Family
ID=39550287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007200971330U Expired - Fee Related CN201071729Y (en) | 2007-08-17 | 2007-08-17 | Four-beam parallel combination sliding upper beam hydraulic support |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201071729Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105134272A (en) * | 2015-09-11 | 2015-12-09 | 高原 | Stepping sliding moving support with increased step distance |
-
2007
- 2007-08-17 CN CNU2007200971330U patent/CN201071729Y/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105134272A (en) * | 2015-09-11 | 2015-12-09 | 高原 | Stepping sliding moving support with increased step distance |
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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: TIANJIN PENGCHENG COAL MINING EQUIPMENT CO., LTD. Free format text: FORMER OWNER: JIA LEIYONG Effective date: 20140408 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 301914 JIXIAN, TIANJIN TO: 300000 JIXIAN, TIANJIN |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140408 Address after: 300000 Tianjin City Tianyang Jixian County Road Economic Development Zone No. 16 Patentee after: TIANJIN PENGCHENG HYDRAULIC SUPPORT CO., LTD. Address before: 301914 Tianjin City Tianyang Jixian County Road Economic Development Zone No. 16 Patentee before: Jia Leiyong |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20150817 |
|
EXPY | Termination of patent right or utility model |