KR20070038117A - 칠판 지우개 - Google Patents

칠판 지우개 Download PDF

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Publication number
KR20070038117A
KR20070038117A KR1020077001667A KR20077001667A KR20070038117A KR 20070038117 A KR20070038117 A KR 20070038117A KR 1020077001667 A KR1020077001667 A KR 1020077001667A KR 20077001667 A KR20077001667 A KR 20077001667A KR 20070038117 A KR20070038117 A KR 20070038117A
Authority
KR
South Korea
Prior art keywords
chamber
case
sliding
piece
groove
Prior art date
Application number
KR1020077001667A
Other languages
English (en)
Korean (ko)
Inventor
시후앙 라이
시허 라이
Original Assignee
시후앙 라이
시허 라이
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 시후앙 라이, 시허 라이 filed Critical 시후앙 라이
Publication of KR20070038117A publication Critical patent/KR20070038117A/ko

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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
    • B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
    • 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
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0006—Erasers, rubbers, or erasing devices; Holders therefor motor-driven
    • 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
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0037—Eraser cleaners
    • 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
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0056—Holders for erasers
    • B43L19/0068—Hand-held holders
    • 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
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/04—Fibrous erasers
    • 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
KR1020077001667A 2004-09-03 2005-08-18 칠판 지우개 KR20070038117A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200410074225.8 2004-09-03
CNB2004100742258A CN100418792C (zh) 2004-09-03 2004-09-03 板擦

Publications (1)

Publication Number Publication Date
KR20070038117A true KR20070038117A (ko) 2007-04-09

Family

ID=35999697

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020077001667A KR20070038117A (ko) 2004-09-03 2005-08-18 칠판 지우개

Country Status (4)

Country Link
EP (1) EP1806239A4 (zh)
KR (1) KR20070038117A (zh)
CN (1) CN100418792C (zh)
WO (1) WO2006024219A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100843278B1 (ko) * 2006-07-05 2008-07-08 (주)베이온 크리너가 구비된 유에스비 메모리 장치

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103317917A (zh) * 2012-03-25 2013-09-25 上海华师京城高新技术开发有限公司 一种多功能电子板擦
CN105818587A (zh) * 2016-06-13 2016-08-03 辛顺强 一种无尘黑板擦
CN106821143A (zh) * 2017-01-17 2017-06-13 湖州佳星电机有限公司 一种带空气净化功能的吸尘平板擦
CN107053913B (zh) * 2017-05-04 2019-02-19 聊城职业技术学院 一种教学用智能电动板擦
CN111993821A (zh) * 2019-11-10 2020-11-27 孟庆龙 一种去皮屑的圆形橡皮擦专用包裹套及使用方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2108434A (en) * 1981-10-23 1983-05-18 Hua Yu Wen Electric blackboard eraser
US4941225A (en) * 1989-11-13 1990-07-17 Liao Su Land Automatic chalk-powder collecting device for blackboard eraser
US5216776A (en) * 1992-01-27 1993-06-08 Dennison Daniel C Automatic blackboard eraser apparatus
CN2186670Y (zh) * 1994-04-17 1995-01-04 阮忠卫 新型电动吸尘黑板擦
JPH08267995A (ja) * 1995-03-30 1996-10-15 Shinji Inoue 電気掃除機付き黒板ふき
US5537711A (en) * 1995-05-05 1996-07-23 Tseng; Yu-Che Electric board cleaner
CN2226536Y (zh) * 1995-06-28 1996-05-08 黄昌艺 电动吸尘黑板擦
CN2238748Y (zh) * 1995-08-17 1996-10-30 陈镜尧 可感知粉笔灰量的黑板擦清洁器
JP2001039089A (ja) * 1999-07-29 2001-02-13 Servo Technos:Kk 消去装置
CN2435247Y (zh) * 2000-06-23 2001-06-20 王黔川 吸尘式黑板擦
CN2484193Y (zh) * 2001-06-29 2002-04-03 王玉龙 吸尘式板擦
US20030037404A1 (en) * 2001-08-23 2003-02-27 Wu Tung Ming Electronic blackboard eraser
CN2501699Y (zh) * 2001-09-29 2002-07-24 孟胜贤 电动吸尘黑板擦
CN2519738Y (zh) * 2001-10-12 2002-11-06 张大龙 吸尘式黑板刷
CN2609776Y (zh) * 2003-01-28 2004-04-07 赖锡璜 板擦结构
CN2741792Y (zh) * 2004-09-03 2005-11-23 赖锡璜 板擦

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100843278B1 (ko) * 2006-07-05 2008-07-08 (주)베이온 크리너가 구비된 유에스비 메모리 장치

Also Published As

Publication number Publication date
EP1806239A4 (en) 2009-11-25
CN1743186A (zh) 2006-03-08
WO2006024219A1 (fr) 2006-03-09
EP1806239A1 (en) 2007-07-11
CN100418792C (zh) 2008-09-17

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A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application