CN110171237B - 一种用于课堂的组合式理科专用教学绘图仪器 - Google Patents
一种用于课堂的组合式理科专用教学绘图仪器 Download PDFInfo
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- CN110171237B CN110171237B CN201910538581.7A CN201910538581A CN110171237B CN 110171237 B CN110171237 B CN 110171237B CN 201910538581 A CN201910538581 A CN 201910538581A CN 110171237 B CN110171237 B CN 110171237B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L11/00—Non-circular-curve-drawing instruments
- B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
- B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
- B43L11/045—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with cords or like flexible elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/001—Mathematical drawing instruments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L9/00—Circular curve-drawing or like instruments
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- Drawing Aids And Blackboards (AREA)
- Toys (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538581.7A CN110171237B (zh) | 2019-06-20 | 2019-06-20 | 一种用于课堂的组合式理科专用教学绘图仪器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538581.7A CN110171237B (zh) | 2019-06-20 | 2019-06-20 | 一种用于课堂的组合式理科专用教学绘图仪器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110171237A CN110171237A (zh) | 2019-08-27 |
| CN110171237B true CN110171237B (zh) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910538581.7A Active CN110171237B (zh) | 2019-06-20 | 2019-06-20 | 一种用于课堂的组合式理科专用教学绘图仪器 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110171237B (zh) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6412126A (zh) * | 1964-10-19 | 1966-04-20 | ||
| SU1100148A1 (ru) * | 1983-03-10 | 1984-06-30 | Горьковский Ордена Трудового Красного Знамени Инженерно-Строительный Институт Им.В.П.Чкалова | Прибор дл построени подеры эллипса |
| CN87215145U (zh) * | 1987-12-05 | 1988-10-26 | 罗捷 | 万用绘图仪 |
| CN204955859U (zh) * | 2015-09-16 | 2016-01-13 | 温州大学瓯江学院 | 一种工商管理用多功能绘制工具 |
| CN205112768U (zh) * | 2015-10-30 | 2016-03-30 | 管培波 | 一种绘制椭圆的工具 |
| CN205810205U (zh) * | 2016-04-13 | 2016-12-14 | 姜华 | 用于数学教学的黑板和教具一体化工具 |
| CN206012142U (zh) * | 2016-06-24 | 2017-03-15 | 李彦昕 | 一种高中数学用多功能绘图工具 |
| CN208006558U (zh) * | 2017-08-03 | 2018-10-26 | 徐启凡 | 一种数学作图器 |
| CN208993364U (zh) * | 2018-05-15 | 2019-06-18 | 大同新成新材料股份有限公司 | 一种画大直径圆的装置 |
| CN109080333A (zh) * | 2018-08-07 | 2018-12-25 | 常骏驰 | 一种数学教学用具 |
| CN109017059A (zh) * | 2018-08-23 | 2018-12-18 | 朱榆洲 | 一种用于绘制圆形的绘图仪及其使用方法 |
| CN109703247A (zh) * | 2019-01-30 | 2019-05-03 | 王玲 | 一种高等数学用画矩形教具 |
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2019
- 2019-06-20 CN CN201910538581.7A patent/CN110171237B/zh active Active
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| Publication number | Publication date |
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| CN110171237A (zh) | 2019-08-27 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200930 Address after: No.2, Zhixing Road, Liangshan Economic Development Zone, Jining City, Shandong Province Applicant after: Shandong Golden Sun Book Co.,Ltd. Address before: Room 602-B595, Comprehensive Office Building, Fuzhou Export Processing Zone, 177 Changyang Road, Tingjiang Town, Mawei District, Fuzhou City, Fujian Province Applicant before: Fuzhou Economic and Technological Development Zone Meimexuan Stationery Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 272600 No. 2, Zhixing Road, Liangshan Economic Development Zone, Jining City, Shandong Province Patentee after: Shandong Golden Sun Education Group Co.,Ltd. Address before: 272600 No. 2, Zhixing Road, Liangshan Economic Development Zone, Jining City, Shandong Province Patentee before: Shandong Golden Sun Book Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A combined special teaching drawing instrument for Science in classroom Effective date of registration: 20211009 Granted publication date: 20201027 Pledgee: Industrial and Commercial Bank of China Limited Liangshan sub branch Pledgor: Shandong Golden Sun Education Group Co.,Ltd. Registration number: Y2021980010437 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221101 Granted publication date: 20201027 Pledgee: Industrial and Commercial Bank of China Limited Liangshan sub branch Pledgor: Shandong Golden Sun Education Group Co.,Ltd. Registration number: Y2021980010437 |