CN2553113Y - Towing beam synchronous moving combined support - Google Patents
Towing beam synchronous moving combined support Download PDFInfo
- Publication number
- CN2553113Y CN2553113Y CN 02204903 CN02204903U CN2553113Y CN 2553113 Y CN2553113 Y CN 2553113Y CN 02204903 CN02204903 CN 02204903 CN 02204903 U CN02204903 U CN 02204903U CN 2553113 Y CN2553113 Y CN 2553113Y
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- China
- Prior art keywords
- drag
- back timber
- drags
- unit
- synchronization
- 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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Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02204903 CN2553113Y (en) | 2002-03-01 | 2002-03-01 | Towing beam synchronous moving combined support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02204903 CN2553113Y (en) | 2002-03-01 | 2002-03-01 | Towing beam synchronous moving combined support |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2553113Y true CN2553113Y (en) | 2003-05-28 |
Family
ID=33686694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02204903 Expired - Lifetime CN2553113Y (en) | 2002-03-01 | 2002-03-01 | Towing beam synchronous moving combined support |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2553113Y (en) |
-
2002
- 2002-03-01 CN CN 02204903 patent/CN2553113Y/en not_active Expired - Lifetime
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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 YUTIAN CENTURY MINE EQUIPMENT CO., LTD.; Free format text: FORMER OWNER: LI CHENG; PATENTEE Effective date: 20080711 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080711 Address after: Beijing Mentougou District Binhe Road West Construction Bank North (Heng Hui Office) two floors, zip code: 102300 Co-patentee after: Beijing Huiyuejingxin Mine Support Equipment Co., Ltd. Patentee after: Beijing Yutian century Mine Equipment Co., Ltd. Co-patentee after: Beijing Chentian-Hengye Collery Equipment Co., Ltd. Address before: No. 5, unit nine, Building 102, Xiangyang Dong Dong, Mentougou District, Beijing, China: 102300 Co-patentee before: Li Changzeng Patentee before: Li Cheng |
|
ASS | Succession or assignment of patent right |
Owner name: LI CHENG; PATENTEE Free format text: FORMER OWNER: BEIJING YUTIAN CENTURY MINE EQUIPMENT CO., LTD.; PATENTEE Effective date: 20081010 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081010 Address after: No. 1, unit 12, building three, 402 District, Changqing Garden, Beijing, Haidian District: 100195 Co-patentee after: Li Xinbin Patentee after: Li Cheng Address before: Beijing Mentougou District Binhe Road West Construction Bank North (Heng Hui Office) two floors, zip code: 102300 Co-patentee before: Beijing Huiyuejingxin Mine Support Equipment Co., Ltd. Patentee before: Beijing Yutian century Mine Equipment Co., Ltd. Co-patentee before: Beijing Chentian-Hengye Collery Equipment Co., Ltd. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090109 Address after: No. 1, unit 12, building three, 402 District, Changqing Garden, Beijing, Haidian District: 100195 Co-patentee after: Li Changzeng Patentee after: Li Cheng Address before: No. 1, unit 12, building three, 402 District, Changqing Garden, Beijing, Haidian District: 100195 Co-patentee before: Li Xinbin Patentee before: Li Cheng |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20120301 Granted publication date: 20030528 |