NL8602743A - Automatische bordenwisser met rollenaandrijving. - Google Patents

Automatische bordenwisser met rollenaandrijving. Download PDF

Info

Publication number
NL8602743A
NL8602743A NL8602743A NL8602743A NL8602743A NL 8602743 A NL8602743 A NL 8602743A NL 8602743 A NL8602743 A NL 8602743A NL 8602743 A NL8602743 A NL 8602743A NL 8602743 A NL8602743 A NL 8602743A
Authority
NL
Netherlands
Prior art keywords
plate
roller
rollers
wiper
gears
Prior art date
Application number
NL8602743A
Other languages
English (en)
Dutch (nl)
Original Assignee
Jin Sheng Chen
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 Jin Sheng Chen filed Critical Jin Sheng Chen
Publication of NL8602743A publication Critical patent/NL8602743A/nl

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

  • Drawing Aids And Blackboards (AREA)
  • Cleaning In General (AREA)
  • Brushes (AREA)
NL8602743A 1986-09-09 1986-10-31 Automatische bordenwisser met rollenaandrijving. NL8602743A (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3630662 1986-09-09
DE19863630662 DE3630662A1 (de) 1986-09-09 1986-09-09 Wandtafelputzer
DE8624147 1986-09-09
DE8624147U DE8624147U1 (de) 1986-09-09 1986-09-09 Wandtafelputzer

Publications (1)

Publication Number Publication Date
NL8602743A true NL8602743A (nl) 1988-05-16

Family

ID=25847356

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8602743A NL8602743A (nl) 1986-09-09 1986-10-31 Automatische bordenwisser met rollenaandrijving.

Country Status (6)

Country Link
US (1) US4742594A (de)
BE (1) BE905757A (de)
DE (2) DE3630662A1 (de)
FR (1) FR2604123A1 (de)
GB (1) GB2196302B (de)
NL (1) NL8602743A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941225A (en) * 1989-11-13 1990-07-17 Liao Su Land Automatic chalk-powder collecting device for blackboard eraser
US5530984A (en) * 1995-08-31 1996-07-02 Walker; William E. Quick wipe eraser for chalkboards
US6370720B1 (en) 1998-04-10 2002-04-16 Jang Chang-Ho Apparatus and a method for automatically erasing a blackboard
CN2484193Y (zh) * 2001-06-29 2002-04-03 王玉龙 吸尘式板擦
US6895627B1 (en) * 2004-02-02 2005-05-24 Chieh-Jen Lin Blackboard eraser
US7685672B2 (en) * 2005-05-18 2010-03-30 Hsi-Hur Lai Vacuum eraser for blackboards
US8011050B2 (en) * 2005-05-31 2011-09-06 S.C. Johnson & Son, Inc. Fabric sweeper
US7721372B2 (en) * 2005-05-31 2010-05-25 S.C. Johnson & Son, Inc. Fabric sweeper
US20110247651A1 (en) 2010-04-13 2011-10-13 Neumann Peter M Fabric Sweeper
CN103241043B (zh) * 2012-02-08 2015-06-17 俞渤仁 一种单面收尘黑板擦
CN104260584B (zh) * 2014-10-30 2016-02-24 林霏 一种防尘高效的黑板擦
EP3125074A1 (de) * 2015-07-31 2017-02-01 Wipro Limited Elektronische vorrichtung zum löschen von inhalten auf einer schreibtafel und verfahren dafür
JP6701808B2 (ja) * 2016-03-01 2020-05-27 セイコーエプソン株式会社 印刷装置
CN106427322A (zh) * 2016-09-12 2017-02-22 芜湖能盟信息技术有限公司 一种吸尘黑板擦
CN108466509B (zh) * 2016-11-16 2020-07-14 泉州台商投资区国钗商贸有限公司 一种黑板擦

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1487052A (en) * 1922-09-21 1924-03-18 Enomoto Daniel Eraser
US4080683A (en) * 1976-11-22 1978-03-28 Chong Sun Yi Chalk board eraser
GB2090123B (en) * 1980-12-09 1984-09-12 Pang Hiang Seng Blackboard duster
US4462134A (en) * 1982-12-20 1984-07-31 Wang Jeng Lin Blackboard eraser
GB2132946B (en) * 1982-12-20 1986-09-03 Wen Chin Lee Automatic blackboard duster

Also Published As

Publication number Publication date
GB2196302B (en) 1990-10-03
DE3630662C2 (de) 1989-12-21
FR2604123A1 (fr) 1988-03-25
GB2196302A (en) 1988-04-27
GB8624849D0 (en) 1986-11-19
DE8624147U1 (de) 1986-11-27
DE3630662A1 (de) 1988-03-17
BE905757A (nl) 1987-03-02
US4742594A (en) 1988-05-10

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