CN103448774B - 一种通过楔形块来实现定位孔式锁定的车轮系统 - Google Patents
一种通过楔形块来实现定位孔式锁定的车轮系统 Download PDFInfo
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- CN103448774B CN103448774B CN201310463256.1A CN201310463256A CN103448774B CN 103448774 B CN103448774 B CN 103448774B CN 201310463256 A CN201310463256 A CN 201310463256A CN 103448774 B CN103448774 B CN 103448774B
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- wheel
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CN201310463256.1A CN103448774B (zh) | 2013-10-08 | 2013-10-08 | 一种通过楔形块来实现定位孔式锁定的车轮系统 |
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CN201310463256.1A CN103448774B (zh) | 2013-10-08 | 2013-10-08 | 一种通过楔形块来实现定位孔式锁定的车轮系统 |
Publications (2)
Publication Number | Publication Date |
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CN103448774A CN103448774A (zh) | 2013-12-18 |
CN103448774B true CN103448774B (zh) | 2016-02-24 |
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CN201310463256.1A Expired - Fee Related CN103448774B (zh) | 2013-10-08 | 2013-10-08 | 一种通过楔形块来实现定位孔式锁定的车轮系统 |
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CN112032413B (zh) * | 2020-11-05 | 2021-01-08 | 东营华辰石油装备有限公司 | 一种带升降底座的节流型压井管汇 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB332376A (en) * | 1929-06-28 | 1930-07-24 | John William Gibson | Improvements in safety devices for perambulators and the like |
GB767159A (en) * | 1954-10-11 | 1957-01-30 | Horace Frederick Ceorge Sage | Automatic brake mechanism for perambulators and like hand-propelled vehicles |
CN2756524Y (zh) * | 2004-08-20 | 2006-02-08 | 骆建华 | 车轮双刹机构 |
CN2782508Y (zh) * | 2005-03-01 | 2006-05-24 | 明门实业股份有限公司 | 推车的车轮制动装置 |
CN201808593U (zh) * | 2010-07-23 | 2011-04-27 | 欧仕儿童用品(福建)有限公司 | 手动式童车后轮刹车装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE893100A (en) * | 1982-05-07 | 1982-08-30 | Expresso Benelux S P R L | Nestable trolley for luggage - has open horizontal U=frame with front swivel wheel and rear wheels braked by swivel bracket on uprights |
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2013
- 2013-10-08 CN CN201310463256.1A patent/CN103448774B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB332376A (en) * | 1929-06-28 | 1930-07-24 | John William Gibson | Improvements in safety devices for perambulators and the like |
GB767159A (en) * | 1954-10-11 | 1957-01-30 | Horace Frederick Ceorge Sage | Automatic brake mechanism for perambulators and like hand-propelled vehicles |
CN2756524Y (zh) * | 2004-08-20 | 2006-02-08 | 骆建华 | 车轮双刹机构 |
CN2782508Y (zh) * | 2005-03-01 | 2006-05-24 | 明门实业股份有限公司 | 推车的车轮制动装置 |
CN201808593U (zh) * | 2010-07-23 | 2011-04-27 | 欧仕儿童用品(福建)有限公司 | 手动式童车后轮刹车装置 |
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CN103448774A (zh) | 2013-12-18 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C41 | Transfer of patent application or patent right or utility model | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Ruijia Inventor after: Chai Bo Inventor after: Cui Ning Inventor before: Wang Jianqiang |
|
COR | Change of bibliographic data | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20151117 Address after: 123000 Zhonghua Road, Liaoning, Fuxin, China, No. 47 Applicant after: Liaoning Technical University Address before: 401, room 2, unit 14, Beiyuan community, Wucheng District, Jinhua, Zhejiang, 321001 Applicant before: Wang Jianqiang |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20161008 |