GB2083414A - Blackboard wiper assembly - Google Patents

Blackboard wiper assembly Download PDF

Info

Publication number
GB2083414A
GB2083414A GB8111606A GB8111606A GB2083414A GB 2083414 A GB2083414 A GB 2083414A GB 8111606 A GB8111606 A GB 8111606A GB 8111606 A GB8111606 A GB 8111606A GB 2083414 A GB2083414 A GB 2083414A
Authority
GB
United Kingdom
Prior art keywords
wiper
blackboard
suction
wiper assembly
assembly according
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.)
Withdrawn
Application number
GB8111606A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NAKANO BUSSAN CO Ltd
Original Assignee
NAKANO BUSSAN CO Ltd
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
Priority claimed from JP12682580A external-priority patent/JPS5751499A/ja
Priority claimed from JP13134480U external-priority patent/JPS5756196U/ja
Application filed by NAKANO BUSSAN CO Ltd filed Critical NAKANO BUSSAN CO Ltd
Publication of GB2083414A publication Critical patent/GB2083414A/en
Withdrawn legal-status Critical Current

Links

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

Landscapes

  • Cleaning In General (AREA)
  • Drawing Aids And Blackboards (AREA)
GB8111606A 1980-09-12 1981-04-13 Blackboard wiper assembly Withdrawn GB2083414A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12682580A JPS5751499A (en) 1980-09-12 1980-09-12 Eraser device
JP13134480U JPS5756196U (de) 1980-09-16 1980-09-16

Publications (1)

Publication Number Publication Date
GB2083414A true GB2083414A (en) 1982-03-24

Family

ID=26462935

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8111606A Withdrawn GB2083414A (en) 1980-09-12 1981-04-13 Blackboard wiper assembly

Country Status (3)

Country Link
DE (1) DE3117234A1 (de)
FR (1) FR2490155A1 (de)
GB (1) GB2083414A (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0786358A1 (de) * 1995-08-17 1997-07-30 Ricoh Elemex Corporation Schreibtafel
EP1226979A1 (de) * 2000-07-19 2002-07-31 Te-Hsi Liu Staubkollektor für Tafelreiniger und Tafelreiniger
EP1285782A1 (de) * 2001-08-23 2003-02-26 Te-Hsi Liu Staubsammelapparat für eine Löschvorrichtung
US20110154608A1 (en) * 2009-12-30 2011-06-30 Tun-Huang Tsou Multi-function board eraser structure
CN106626899A (zh) * 2016-12-13 2017-05-10 中州大学 一种高校中文教学用教具
CN110228315A (zh) * 2019-07-03 2019-09-13 上海理工大学 一种利用振动片振动毛刷的叶轮离心负压吸尘黑板擦

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109017072A (zh) * 2018-08-10 2018-12-18 孙冉冉 一种便于使用的教育用黑板清理装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1552713A (en) * 1922-10-26 1925-09-08 William J Leary Blackboard-erasing apparatus
US1801620A (en) * 1928-06-11 1931-04-21 Sanford S Bettman Vacuum board eraser
FR699846A (fr) * 1930-10-13 1931-02-20 Appareil pour le nettoyage des tableaux noirs et des essuie-tableaux noirs
FR1184699A (fr) * 1957-09-13 1959-07-24 Appareil pour effaçage des tableaux noirs avec absorption des poussières de craie
US3011201A (en) * 1959-03-31 1961-12-05 Cymara Hermann Karl Vacuum dust pan and reel
US3066345A (en) * 1961-07-17 1962-12-04 Royal Appliance Mfg Company Blackboard eraser cleaner
US3320725A (en) * 1965-08-17 1967-05-23 Robert L Sampson Bag vibrator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0786358A1 (de) * 1995-08-17 1997-07-30 Ricoh Elemex Corporation Schreibtafel
EP0786358A4 (de) * 1995-08-17 1999-02-03 Ricoh Elemex Corp Schreibtafel
US5957700A (en) * 1995-08-17 1999-09-28 Ricoh Elemex Corporation Writing board
EP1226979A1 (de) * 2000-07-19 2002-07-31 Te-Hsi Liu Staubkollektor für Tafelreiniger und Tafelreiniger
EP1285782A1 (de) * 2001-08-23 2003-02-26 Te-Hsi Liu Staubsammelapparat für eine Löschvorrichtung
US20110154608A1 (en) * 2009-12-30 2011-06-30 Tun-Huang Tsou Multi-function board eraser structure
CN106626899A (zh) * 2016-12-13 2017-05-10 中州大学 一种高校中文教学用教具
CN110228315A (zh) * 2019-07-03 2019-09-13 上海理工大学 一种利用振动片振动毛刷的叶轮离心负压吸尘黑板擦

Also Published As

Publication number Publication date
DE3117234A1 (de) 1982-05-06
FR2490155A1 (fr) 1982-03-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)