CN101892786B - 一种闭门器 - Google Patents
一种闭门器 Download PDFInfo
- Publication number
- CN101892786B CN101892786B CN2010102221994A CN201010222199A CN101892786B CN 101892786 B CN101892786 B CN 101892786B CN 2010102221994 A CN2010102221994 A CN 2010102221994A CN 201010222199 A CN201010222199 A CN 201010222199A CN 101892786 B CN101892786 B CN 101892786B
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- Prior art keywords
- piston
- cavity
- door closer
- control valve
- oil pipe
- 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.)
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Abstract
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Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010102221994A CN101892786B (zh) | 2010-07-08 | 2010-07-08 | 一种闭门器 |
Applications Claiming Priority (1)
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CN2010102221994A CN101892786B (zh) | 2010-07-08 | 2010-07-08 | 一种闭门器 |
Publications (2)
Publication Number | Publication Date |
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CN101892786A CN101892786A (zh) | 2010-11-24 |
CN101892786B true CN101892786B (zh) | 2012-10-31 |
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CN2010102221994A Active CN101892786B (zh) | 2010-07-08 | 2010-07-08 | 一种闭门器 |
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CN (1) | CN101892786B (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5488896A (en) * | 1994-12-22 | 1996-02-06 | Schlage Lock Company | Self aligning piston rod |
US5651162A (en) * | 1996-01-04 | 1997-07-29 | Keszthelyi; Laszlo | Hydraulic door control system |
DE19607878A1 (de) * | 1996-03-01 | 1997-09-04 | Geze Gmbh & Co | Drehtürantrieb |
CN1299433A (zh) * | 1998-04-23 | 2001-06-13 | 申东承 | 铰式自动门闭合器 |
DE102004048383B3 (de) * | 2004-10-01 | 2005-12-08 | Dorma Gmbh + Co. Kg | Elektro-hydraulischer Drehflügeltürantrieb |
CN201103305Y (zh) * | 2007-10-24 | 2008-08-20 | 梁庆均 | 闭门器 |
CN201705101U (zh) * | 2010-07-08 | 2011-01-12 | 瓯宝安防科技股份有限公司 | 一种闭门器 |
-
2010
- 2010-07-08 CN CN2010102221994A patent/CN101892786B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5488896A (en) * | 1994-12-22 | 1996-02-06 | Schlage Lock Company | Self aligning piston rod |
US5651162A (en) * | 1996-01-04 | 1997-07-29 | Keszthelyi; Laszlo | Hydraulic door control system |
DE19607878A1 (de) * | 1996-03-01 | 1997-09-04 | Geze Gmbh & Co | Drehtürantrieb |
CN1299433A (zh) * | 1998-04-23 | 2001-06-13 | 申东承 | 铰式自动门闭合器 |
DE102004048383B3 (de) * | 2004-10-01 | 2005-12-08 | Dorma Gmbh + Co. Kg | Elektro-hydraulischer Drehflügeltürantrieb |
CN201103305Y (zh) * | 2007-10-24 | 2008-08-20 | 梁庆均 | 闭门器 |
CN201705101U (zh) * | 2010-07-08 | 2011-01-12 | 瓯宝安防科技股份有限公司 | 一种闭门器 |
Also Published As
Publication number | Publication date |
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CN101892786A (zh) | 2010-11-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Fu Zhenfeng Inventor after: Li Haojie Inventor after: Chen Xiaojian Inventor before: Fu Zhenfeng Inventor before: Chen Xiaojian |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: FU ZHENFENG CHEN XIAOJIAN TO: FU ZHENFENG LI HAOJIE CHEN XIAOJIAN |
|
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 | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A door closer Effective date of registration: 20221020 Granted publication date: 20121031 Pledgee: Industrial Commercial Bank of China Ltd. Lishui Liandu branch Pledgor: Oubao Security Technology Co.,Ltd. Registration number: Y2022980019041 |