JP6754053B1 - 防塵黒板 - Google Patents

防塵黒板 Download PDF

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Publication number
JP6754053B1
JP6754053B1 JP2019109953A JP2019109953A JP6754053B1 JP 6754053 B1 JP6754053 B1 JP 6754053B1 JP 2019109953 A JP2019109953 A JP 2019109953A JP 2019109953 A JP2019109953 A JP 2019109953A JP 6754053 B1 JP6754053 B1 JP 6754053B1
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JP
Japan
Prior art keywords
fixedly installed
groove
blackboard
end wall
gear
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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JP2019109953A
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English (en)
Japanese (ja)
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JP2020183093A (ja
Inventor
屠▲みん▼杰
Original Assignee
温州京通環保科技有限公司
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Application granted granted Critical
Publication of JP6754053B1 publication Critical patent/JP6754053B1/ja
Publication of JP2020183093A publication Critical patent/JP2020183093A/ja
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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
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04—Blackboards
    • 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
    • B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP2019109953A 2019-04-28 2019-06-12 防塵黒板 Expired - Fee Related JP6754053B1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910348763.8 2019-04-28
CN201910348763.8A CN110254082A (zh) 2019-04-28 2019-04-28 一种防尘黑板

Publications (2)

Publication Number Publication Date
JP6754053B1 true JP6754053B1 (ja) 2020-09-09
JP2020183093A JP2020183093A (ja) 2020-11-12

Family

ID=67913914

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019109953A Expired - Fee Related JP6754053B1 (ja) 2019-04-28 2019-06-12 防塵黒板

Country Status (2)

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JP (1) JP6754053B1 (zh)
CN (1) CN110254082A (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145897A (zh) * 2020-09-24 2020-12-29 贵州睿易通科技有限公司 一种新型初级教育互动装置
CN112396881A (zh) * 2020-11-30 2021-02-23 许昌电气职业学院 一种数学教学智能媒体系统
CN113910818A (zh) * 2021-11-09 2022-01-11 刘日招 一种教学用快速清洁式黑板
CN114851750A (zh) * 2022-06-16 2022-08-05 杨俊惠 一种英语教学装置及其方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111750439B (zh) * 2020-07-13 2021-05-11 深圳市优创造电子科技有限公司 一种可移动的空气净化设备
CN111775597A (zh) * 2020-07-16 2020-10-16 黎明职业大学 一种自洁式黑板擦
CN111993822A (zh) * 2020-08-11 2020-11-27 五邑大学 一种自动粉笔刷系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60109998U (ja) * 1983-12-27 1985-07-25 株式会社　アイム 黒板払拭装置
JP2927421B1 (ja) * 1998-09-08 1999-07-28 株式会社木屋製作所 集粉式イレーサ
CN2609777Y (zh) * 2003-04-24 2004-04-07 金徐凯 自动黑板擦
CN201235691Y (zh) * 2008-06-27 2009-05-13 加那提别克·热夏特 电动黑板擦
CN202541138U (zh) * 2012-03-30 2012-11-21 郝秀兰 一种电动黑板擦
CN103231604B (zh) * 2013-04-18 2015-02-11 皮光明 一种带有自动收尘板擦的黑板
CN205800587U (zh) * 2016-04-05 2016-12-14 康峰 理科教学黑板擦拭装置
CN208085320U (zh) * 2018-03-21 2018-11-13 洪家克 一种带有吸尘功能环保黑板

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145897A (zh) * 2020-09-24 2020-12-29 贵州睿易通科技有限公司 一种新型初级教育互动装置
CN112396881A (zh) * 2020-11-30 2021-02-23 许昌电气职业学院 一种数学教学智能媒体系统
CN112396881B (zh) * 2020-11-30 2024-06-11 许昌电气职业学院 一种数学教学智能媒体系统
CN113910818A (zh) * 2021-11-09 2022-01-11 刘日招 一种教学用快速清洁式黑板
CN114851750A (zh) * 2022-06-16 2022-08-05 杨俊惠 一种英语教学装置及其方法
CN114851750B (zh) * 2022-06-16 2023-11-14 杨俊惠 一种英语教学装置及其方法

Also Published As

Publication number Publication date
JP2020183093A (ja) 2020-11-12
CN110254082A (zh) 2019-09-20

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