CN201510720U - 上劲筒式网球弹射装置 - Google Patents
上劲筒式网球弹射装置 Download PDFInfo
- Publication number
- CN201510720U CN201510720U CN2009201619742U CN200920161974U CN201510720U CN 201510720 U CN201510720 U CN 201510720U CN 2009201619742 U CN2009201619742 U CN 2009201619742U CN 200920161974 U CN200920161974 U CN 200920161974U CN 201510720 U CN201510720 U CN 201510720U
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- CN
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- Prior art keywords
- tennis
- energetically
- ejection
- cabin
- catapult
- 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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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201619742U CN201510720U (zh) | 2009-07-18 | 2009-07-18 | 上劲筒式网球弹射装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201619742U CN201510720U (zh) | 2009-07-18 | 2009-07-18 | 上劲筒式网球弹射装置 |
Publications (1)
Publication Number | Publication Date |
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CN201510720U true CN201510720U (zh) | 2010-06-23 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009201619742U Expired - Fee Related CN201510720U (zh) | 2009-07-18 | 2009-07-18 | 上劲筒式网球弹射装置 |
Country Status (1)
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CN (1) | CN201510720U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106730750A (zh) * | 2015-11-20 | 2017-05-31 | 华南理工大学 | 一种网球训练机的送球装置 |
CN110861776A (zh) * | 2019-12-17 | 2020-03-06 | 淮安航空产业研究院有限公司 | 投放催泪弹的无人机、系统及其人在回路投放方法 |
-
2009
- 2009-07-18 CN CN2009201619742U patent/CN201510720U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106730750A (zh) * | 2015-11-20 | 2017-05-31 | 华南理工大学 | 一种网球训练机的送球装置 |
CN110861776A (zh) * | 2019-12-17 | 2020-03-06 | 淮安航空产业研究院有限公司 | 投放催泪弹的无人机、系统及其人在回路投放方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Haojiating Industry Co., Ltd., Shenzhen City Assignor: Huang Jian Contract record no.: 2010440000716 Denomination of utility model: Screwing cylinder type tennis ball ejection device Granted publication date: 20100623 License type: Exclusive License Record date: 20100611 |
|
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Haojiating Industry Co., Ltd., Shenzhen City Assignor: Huang Jian Contract record no.: 2010440000716 Date of cancellation: 20120905 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20120718 |