CN2532548Y - 一种钢琴键盘盖缓降装置 - Google Patents
一种钢琴键盘盖缓降装置 Download PDFInfo
- Publication number
- CN2532548Y CN2532548Y CN 02226728 CN02226728U CN2532548Y CN 2532548 Y CN2532548 Y CN 2532548Y CN 02226728 CN02226728 CN 02226728 CN 02226728 U CN02226728 U CN 02226728U CN 2532548 Y CN2532548 Y CN 2532548Y
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- CN
- China
- Prior art keywords
- piano
- axle core
- return valve
- fan
- axial rib
- 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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- Electrophonic Musical Instruments (AREA)
Abstract
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Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02226728 CN2532548Y (zh) | 2002-04-05 | 2002-04-05 | 一种钢琴键盘盖缓降装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02226728 CN2532548Y (zh) | 2002-04-05 | 2002-04-05 | 一种钢琴键盘盖缓降装置 |
Publications (1)
Publication Number | Publication Date |
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CN2532548Y true CN2532548Y (zh) | 2003-01-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02226728 Expired - Fee Related CN2532548Y (zh) | 2002-04-05 | 2002-04-05 | 一种钢琴键盘盖缓降装置 |
Country Status (1)
Country | Link |
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CN (1) | CN2532548Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101937668A (zh) * | 2009-06-30 | 2011-01-05 | 卡西欧计算机株式会社 | 键盘盖的开关装置 |
-
2002
- 2002-04-05 CN CN 02226728 patent/CN2532548Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101937668A (zh) * | 2009-06-30 | 2011-01-05 | 卡西欧计算机株式会社 | 键盘盖的开关装置 |
CN101937668B (zh) * | 2009-06-30 | 2013-07-24 | 卡西欧计算机株式会社 | 键盘盖的开关装置 |
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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: ZHONGSHAN PIANO FACTORY Free format text: FORMER OWNER: YUEHUA PIANO MUSIC INSTRUMENT CO., LTD., ZHONGSHAN CITY Owner name: YUEHUA ENTERPRISE CO., LTD. Effective date: 20050422 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20050422 Address after: 528412, Hubin Road, 22, Guangdong, Zhongshan Co-patentee after: Yuehua Enterprise Co. Ltd. Patentee after: Zhongshan piano factory Address before: 528412, Guangdong province Zhongshan City Dongsheng Town View Village Industrial Zone Patentee before: Yuehua Piano Music Instrument Co., Ltd., Zhongshan City |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030122 Termination date: 20110405 |