CN202946033U - 防卡钎液压破碎锤钎杆 - Google Patents
防卡钎液压破碎锤钎杆 Download PDFInfo
- Publication number
- CN202946033U CN202946033U CN 201220655369 CN201220655369U CN202946033U CN 202946033 U CN202946033 U CN 202946033U CN 201220655369 CN201220655369 CN 201220655369 CN 201220655369 U CN201220655369 U CN 201220655369U CN 202946033 U CN202946033 U CN 202946033U
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- CN
- China
- Prior art keywords
- drill rod
- drill steel
- steel body
- bayonet lock
- block pin
- 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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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220655369 CN202946033U (zh) | 2012-12-01 | 2012-12-01 | 防卡钎液压破碎锤钎杆 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220655369 CN202946033U (zh) | 2012-12-01 | 2012-12-01 | 防卡钎液压破碎锤钎杆 |
Publications (1)
Publication Number | Publication Date |
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CN202946033U true CN202946033U (zh) | 2013-05-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220655369 Expired - Fee Related CN202946033U (zh) | 2012-12-01 | 2012-12-01 | 防卡钎液压破碎锤钎杆 |
Country Status (1)
Country | Link |
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CN (1) | CN202946033U (zh) |
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2012
- 2012-12-01 CN CN 201220655369 patent/CN202946033U/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 | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Anti-jamming hydraulic drill rod of breaking hammer Effective date of registration: 20150104 Granted publication date: 20130522 Pledgee: Bank of Communications Ltd Weifang branch Pledgor: Weifang Tian Rui heavy rock drilling machinery Co., Ltd., Li Yongsheng Registration number: 2015990000002 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160121 Granted publication date: 20130522 Pledgee: Bank of Communications Ltd Weifang branch Pledgor: Weifang Tian Rui heavy rock drilling machinery Co., Ltd., Li Yongsheng Registration number: 2015990000002 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
CP03 | Change of name, title or address |
Address after: High tech Zone in Shandong city of Weifang Province, 261061 Silver Street No. 6699 Patentee after: SHANDONG TIANRUI HEAVY INDUSTRY CO., LTD. Address before: 261061 high tech Zone, Weifang City, Shandong Province, Qing Qing Street, No. 13159 high tech building, room 1309 Patentee before: Weifang Tianrui Heavy Industry Drillong Machinery Co., Ltd. |
|
CP03 | Change of name, title or address | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20201201 |
|
CF01 | Termination of patent right due to non-payment of annual fee |