CN101524870B - 一种螺旋槽式液压振动换向器 - Google Patents
一种螺旋槽式液压振动换向器 Download PDFInfo
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- CN101524870B CN101524870B CN2008101578649A CN200810157864A CN101524870B CN 101524870 B CN101524870 B CN 101524870B CN 2008101578649 A CN2008101578649 A CN 2008101578649A CN 200810157864 A CN200810157864 A CN 200810157864A CN 101524870 B CN101524870 B CN 101524870B
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CN2008101578649A CN101524870B (zh) | 2008-10-21 | 2008-10-21 | 一种螺旋槽式液压振动换向器 |
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CN2008101578649A CN101524870B (zh) | 2008-10-21 | 2008-10-21 | 一种螺旋槽式液压振动换向器 |
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CN101524870A CN101524870A (zh) | 2009-09-09 |
CN101524870B true CN101524870B (zh) | 2010-12-08 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103358389A (zh) * | 2013-07-05 | 2013-10-23 | 山东宏发科工贸有限公司 | 一种智能型单缸双压成型设备 |
CN110067784B (zh) * | 2019-05-23 | 2020-10-16 | 浙江大学城市学院 | 一种二维液压缸,以及变阻尼控制式二维液压缸 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5625511A (en) * | 1995-01-11 | 1997-04-29 | International Business Machines Corporation | Stepped spindle motor shaft to reduce disk drive acoustic noise |
CN2553169Y (zh) * | 2002-07-05 | 2003-05-28 | 王庆喻 | 空心轴 |
CN2663916Y (zh) * | 2003-12-03 | 2004-12-15 | 韶关学院 | 可调径心轴 |
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2008
- 2008-10-21 CN CN2008101578649A patent/CN101524870B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5625511A (en) * | 1995-01-11 | 1997-04-29 | International Business Machines Corporation | Stepped spindle motor shaft to reduce disk drive acoustic noise |
CN2553169Y (zh) * | 2002-07-05 | 2003-05-28 | 王庆喻 | 空心轴 |
CN2663916Y (zh) * | 2003-12-03 | 2004-12-15 | 韶关学院 | 可调径心轴 |
Non-Patent Citations (1)
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JP特开平11-201245A 1999.07.27 |
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CN101524870A (zh) | 2009-09-09 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong Hongfake Industry Trade Co., Ltd. Assignor: Gao Chengfa Contract record no.: 2011370000295 Denomination of invention: Spiral groove type hydraulic vibration commutator Granted publication date: 20101208 License type: Exclusive License Open date: 20090909 Record date: 20110701 |
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Owner name: GUANGXI HONGFA HEAVY INDUSTRY MACHINE CO., LTD. Free format text: FORMER OWNER: GAO CHENGFA Effective date: 20150114 |
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Free format text: CORRECT: ADDRESS; FROM: 276305 LINYI, SHANDONG PROVINCE TO: 530104 NANNING, GUANGXI ZHUANG AUTONOMOUS REGION |
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Effective date of registration: 20150114 Address after: 530104 the Guangxi Zhuang Autonomous Region Nanning Yilin industrial concentration area South Industrial Park (Pinglu bridge) Patentee after: GUANGXI HONGFA HEAVY INDUSTRY MACHINE CO., LTD. Address before: 276305 Shandong province Yinan County Zhuang Town resident Shandong Hongfa Industry & Trade Co. Ltd. Patentee before: Gao Chengfa |
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Effective date of registration: 20190603 Address after: 276305 Residence of Dazhuang Economic Development Zone, Yinan County, Linyi City, Shandong Province Patentee after: Shandong Hongfake Industry Trade Co., Ltd. Address before: 530104 South Industrial Park, Yiling Industrial Concentration Area, Nanning City, Guangxi Zhuang Autonomous Region (Shuangqiao Pinglu) Patentee before: GUANGXI HONGFA HEAVY INDUSTRY MACHINE CO., LTD. |
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