CN110001251A - 一种便于提高效率的初高中用教学用黑板擦 - Google Patents
一种便于提高效率的初高中用教学用黑板擦 Download PDFInfo
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- CN110001251A CN110001251A CN201910202275.6A CN201910202275A CN110001251A CN 110001251 A CN110001251 A CN 110001251A CN 201910202275 A CN201910202275 A CN 201910202275A CN 110001251 A CN110001251 A CN 110001251A
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- Prior art keywords
- bull stick
- frame body
- outer frame
- shaft
- junior
- 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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- 239000004744 fabric Substances 0.000 claims abstract description 23
- 235000004443 Ricinus communis Nutrition 0.000 claims abstract description 20
- 244000309464 bull Species 0.000 claims description 67
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000000969 carrier Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 9
- 230000036541 health Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000011435 rock Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
Description
Claims (8)
Priority Applications (1)
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CN201910202275.6A CN110001251B (zh) | 2019-03-18 | 2019-03-18 | 一种便于提高效率的初高中用教学用黑板擦 |
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CN201910202275.6A CN110001251B (zh) | 2019-03-18 | 2019-03-18 | 一种便于提高效率的初高中用教学用黑板擦 |
Publications (2)
Publication Number | Publication Date |
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CN110001251A true CN110001251A (zh) | 2019-07-12 |
CN110001251B CN110001251B (zh) | 2020-10-23 |
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CN201910202275.6A Active CN110001251B (zh) | 2019-03-18 | 2019-03-18 | 一种便于提高效率的初高中用教学用黑板擦 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110973926A (zh) * | 2020-01-07 | 2020-04-10 | 邢帅 | 展览装置 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960005460B1 (ko) * | 1993-10-27 | 1996-04-25 | 김세웅 | 분필털이장치를 구비한 분필지우개 |
CN201721216U (zh) * | 2010-08-02 | 2011-01-26 | 李伟 | 手持式电动黑板擦 |
CN201736682U (zh) * | 2010-08-24 | 2011-02-09 | 丛思源 | 吸尘黑板擦 |
CN202541138U (zh) * | 2012-03-30 | 2012-11-21 | 郝秀兰 | 一种电动黑板擦 |
CN204160971U (zh) * | 2014-08-28 | 2015-02-18 | 胡余进 | 一种教学黑板擦 |
CN204196543U (zh) * | 2014-10-31 | 2015-03-11 | 吕文斌 | 无尘黑板擦 |
CN204414974U (zh) * | 2015-02-11 | 2015-06-24 | 唐英梅 | 一种黑板擦 |
CN204955864U (zh) * | 2015-08-18 | 2016-01-13 | 徐玮 | 一种多功能黑板擦 |
CN105667147A (zh) * | 2016-03-18 | 2016-06-15 | 李海秀 | 电动黑板擦 |
CN107053913A (zh) * | 2017-05-04 | 2017-08-18 | 聊城职业技术学院 | 一种教学用智能电动板擦 |
CN207105967U (zh) * | 2017-04-21 | 2018-03-16 | 成都市温江区燎原职业技术学校 | 一种弹性滚轮式黑板刷 |
-
2019
- 2019-03-18 CN CN201910202275.6A patent/CN110001251B/zh active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960005460B1 (ko) * | 1993-10-27 | 1996-04-25 | 김세웅 | 분필털이장치를 구비한 분필지우개 |
CN201721216U (zh) * | 2010-08-02 | 2011-01-26 | 李伟 | 手持式电动黑板擦 |
CN201736682U (zh) * | 2010-08-24 | 2011-02-09 | 丛思源 | 吸尘黑板擦 |
CN202541138U (zh) * | 2012-03-30 | 2012-11-21 | 郝秀兰 | 一种电动黑板擦 |
CN204160971U (zh) * | 2014-08-28 | 2015-02-18 | 胡余进 | 一种教学黑板擦 |
CN204196543U (zh) * | 2014-10-31 | 2015-03-11 | 吕文斌 | 无尘黑板擦 |
CN204414974U (zh) * | 2015-02-11 | 2015-06-24 | 唐英梅 | 一种黑板擦 |
CN204955864U (zh) * | 2015-08-18 | 2016-01-13 | 徐玮 | 一种多功能黑板擦 |
CN105667147A (zh) * | 2016-03-18 | 2016-06-15 | 李海秀 | 电动黑板擦 |
CN207105967U (zh) * | 2017-04-21 | 2018-03-16 | 成都市温江区燎原职业技术学校 | 一种弹性滚轮式黑板刷 |
CN107053913A (zh) * | 2017-05-04 | 2017-08-18 | 聊城职业技术学院 | 一种教学用智能电动板擦 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110973926A (zh) * | 2020-01-07 | 2020-04-10 | 邢帅 | 展览装置 |
CN110973926B (zh) * | 2020-01-07 | 2020-11-24 | 浙江三宝知识产权服务有限公司 | 展览装置 |
Also Published As
Publication number | Publication date |
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CN110001251B (zh) | 2020-10-23 |
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
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TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200925 Address after: No.2, Zhixing Road, Liangshan Economic Development Zone, Jining City, Shandong Province Applicant after: Shandong Golden Sun Book Co.,Ltd. Address before: 245700 Taoyuan Road Residents in Huangshan District, Huangshan City, Anhui Province Applicant before: Dai Wei |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
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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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A blackboard eraser for teaching in junior and senior high schools to improve efficiency Effective date of registration: 20211009 Granted publication date: 20201023 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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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: 20201023 Pledgee: Industrial and Commercial Bank of China Limited Liangshan sub branch Pledgor: Shandong Golden Sun Education Group Co.,Ltd. Registration number: Y2021980010437 |