CN111572250A - 一种防粉尘扩散式黑板擦拭器 - Google Patents
一种防粉尘扩散式黑板擦拭器 Download PDFInfo
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- CN111572250A CN111572250A CN202010425017.7A CN202010425017A CN111572250A CN 111572250 A CN111572250 A CN 111572250A CN 202010425017 A CN202010425017 A CN 202010425017A CN 111572250 A CN111572250 A CN 111572250A
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- blackboard
- frame
- frame body
- rod
- dust
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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
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/04—Wiper holders
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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
- B43L21/00—Blackboard or slate cleaning devices
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- Drawing Aids And Blackboards (AREA)
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CN202010425017.7A CN111572250B (zh) | 2020-05-19 | 2020-05-19 | 一种防粉尘扩散式黑板擦拭器 |
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CN202010425017.7A CN111572250B (zh) | 2020-05-19 | 2020-05-19 | 一种防粉尘扩散式黑板擦拭器 |
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CN111572250A true CN111572250A (zh) | 2020-08-25 |
CN111572250B CN111572250B (zh) | 2021-07-02 |
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CN202010425017.7A Active CN111572250B (zh) | 2020-05-19 | 2020-05-19 | 一种防粉尘扩散式黑板擦拭器 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113829788A (zh) * | 2021-11-04 | 2021-12-24 | 南京亭宣文化传媒有限公司 | 一种教育用多功能教育设备 |
CN113910818A (zh) * | 2021-11-09 | 2022-01-11 | 刘日招 | 一种教学用快速清洁式黑板 |
CN114379269A (zh) * | 2022-01-27 | 2022-04-22 | 徐崇理 | 一种文科教学用防尘黑板 |
CN116277586A (zh) * | 2023-05-23 | 2023-06-23 | 庆云县华新塑料母粒有限公司 | 一种有色母粒生产用粉尘清理装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070119127A (ko) * | 2006-06-14 | 2007-12-20 | 남재웅 | 전동식 칠판 지우개 |
CN207984399U (zh) * | 2017-11-17 | 2018-10-19 | 成都市森德教学设备有限公司 | 用于自动擦除粉笔字的教学黑板 |
CN208343776U (zh) * | 2017-08-30 | 2019-01-08 | 高源雪 | 黑板擦 |
CN209274222U (zh) * | 2018-12-29 | 2019-08-20 | 黄郅睿 | 一种自带黑板擦拭装置的教学用黑板 |
CN110154596A (zh) * | 2018-01-08 | 2019-08-23 | 夏培准 | 自动擦黑板装置及包括其的黑板 |
CN210116296U (zh) * | 2019-05-17 | 2020-02-28 | 赵玉 | 一种教学用黑板板擦套装 |
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2020
- 2020-05-19 CN CN202010425017.7A patent/CN111572250B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070119127A (ko) * | 2006-06-14 | 2007-12-20 | 남재웅 | 전동식 칠판 지우개 |
CN208343776U (zh) * | 2017-08-30 | 2019-01-08 | 高源雪 | 黑板擦 |
CN207984399U (zh) * | 2017-11-17 | 2018-10-19 | 成都市森德教学设备有限公司 | 用于自动擦除粉笔字的教学黑板 |
CN110154596A (zh) * | 2018-01-08 | 2019-08-23 | 夏培准 | 自动擦黑板装置及包括其的黑板 |
CN209274222U (zh) * | 2018-12-29 | 2019-08-20 | 黄郅睿 | 一种自带黑板擦拭装置的教学用黑板 |
CN210116296U (zh) * | 2019-05-17 | 2020-02-28 | 赵玉 | 一种教学用黑板板擦套装 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113829788A (zh) * | 2021-11-04 | 2021-12-24 | 南京亭宣文化传媒有限公司 | 一种教育用多功能教育设备 |
CN113910818A (zh) * | 2021-11-09 | 2022-01-11 | 刘日招 | 一种教学用快速清洁式黑板 |
CN114379269A (zh) * | 2022-01-27 | 2022-04-22 | 徐崇理 | 一种文科教学用防尘黑板 |
CN114379269B (zh) * | 2022-01-27 | 2023-09-08 | 南京善若网络科技有限公司 | 一种文科教学用防尘黑板 |
CN116277586A (zh) * | 2023-05-23 | 2023-06-23 | 庆云县华新塑料母粒有限公司 | 一种有色母粒生产用粉尘清理装置 |
CN116277586B (zh) * | 2023-05-23 | 2023-07-21 | 庆云县华新塑料母粒有限公司 | 一种有色母粒生产用粉尘清理装置 |
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CN111572250B (zh) | 2021-07-02 |
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Ru Inventor after: Guo Lan Inventor after: Zhao Zhiyu Inventor after: Song Jiao Inventor after: Liu Bihua Inventor before: Liu Bihua |
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TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210610 Address after: 063210 North China University of technology, 21 Bohai Avenue, Caofeidian new city, Tangshan City, Hebei Province Applicant after: NORTH CHINA University OF SCIENCE AND TECHNOLOGY Address before: 330038 room 504, building 8, honggukaixuan, no.1568, hongguzhong Avenue, Honggutan New District, Nanchang City, Jiangxi Province Applicant before: Liu Bihua |
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Application publication date: 20200825 Assignee: Tangshan Lele Enterprise Management Consulting Co.,Ltd. Assignor: NORTH CHINA University OF SCIENCE AND TECHNOLOGY Contract record no.: X2021120000018 Denomination of invention: An anti dust diffusion blackboard wiper Granted publication date: 20210702 License type: Common License Record date: 20210823 |