CN112248688B - 一种自动清洗黑板 - Google Patents
一种自动清洗黑板 Download PDFInfo
- Publication number
- CN112248688B CN112248688B CN202011188519.9A CN202011188519A CN112248688B CN 112248688 B CN112248688 B CN 112248688B CN 202011188519 A CN202011188519 A CN 202011188519A CN 112248688 B CN112248688 B CN 112248688B
- Authority
- CN
- China
- Prior art keywords
- pulley
- blackboard
- square
- metal shaft
- bevel 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.)
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Classifications
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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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
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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
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011188519.9A CN112248688B (zh) | 2020-10-30 | 2020-10-30 | 一种自动清洗黑板 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011188519.9A CN112248688B (zh) | 2020-10-30 | 2020-10-30 | 一种自动清洗黑板 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112248688A CN112248688A (zh) | 2021-01-22 |
CN112248688B true CN112248688B (zh) | 2022-03-01 |
Family
ID=74268249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011188519.9A Active CN112248688B (zh) | 2020-10-30 | 2020-10-30 | 一种自动清洗黑板 |
Country Status (1)
Country | Link |
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CN (1) | CN112248688B (zh) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001188487A (ja) * | 1999-12-28 | 2001-07-10 | Canon Inc | 画像表示装置 |
CN204605299U (zh) * | 2015-05-04 | 2015-09-02 | 王爱丽 | 一种新型黑板 |
CN206067311U (zh) * | 2016-06-23 | 2017-04-05 | 北方民族大学 | 循环带式自净黑板 |
CN206106767U (zh) * | 2016-08-10 | 2017-04-19 | 陶霁霓 | 一种智能液压式全自动黑板擦 |
CN107696754A (zh) * | 2017-08-28 | 2018-02-16 | 黄佳妍 | 黑板 |
CN108973443A (zh) * | 2018-08-10 | 2018-12-11 | 张家诚 | 一种便于擦除的循环切换式黑板 |
CN109130614A (zh) * | 2018-10-15 | 2019-01-04 | 安徽信息工程学院 | 一种全自动黑板及其使用方法 |
CN110667285B (zh) * | 2019-10-09 | 2021-03-02 | 绍兴市华获智能装备有限公司 | 一种记事本 |
CN110757986B (zh) * | 2019-11-04 | 2020-11-17 | 宿州市鑫尧健康科技有限公司 | 一种堆叠式教学用多功能黑板 |
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2020
- 2020-10-30 CN CN202011188519.9A patent/CN112248688B/zh active Active
Also Published As
Publication number | Publication date |
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CN112248688A (zh) | 2021-01-22 |
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Legal Events
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 | ||
CB03 | Change of inventor or designer information |
Inventor after: Gao Xin Inventor after: Li Yanjing Inventor after: Yu Dongchen Inventor after: Li Jing Inventor before: Li Jing |
|
CB03 | Change of inventor or designer information | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20220214 Address after: No. 1, Tokyo Avenue, Kaifeng City, Henan Province Applicant after: YELLOW RIVER CONSERVANCY TECHNICAL INSTITUTE Address before: 076550 no.3518, wukehemiao natural village, wukehemiao village, xiaohezi Township, Guyuan County, Zhangjiakou City, Hebei Province Applicant before: Li Jing |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |