TWM384108U - Handhold automatic chalk dust eraser - Google Patents

Handhold automatic chalk dust eraser Download PDF

Info

Publication number
TWM384108U
TWM384108U TW98220151U TW98220151U TWM384108U TW M384108 U TWM384108 U TW M384108U TW 98220151 U TW98220151 U TW 98220151U TW 98220151 U TW98220151 U TW 98220151U TW M384108 U TWM384108 U TW M384108U
Authority
TW
Taiwan
Prior art keywords
hand
automatic cleaning
chalk
bristles
held automatic
Prior art date
Application number
TW98220151U
Other languages
English (en)
Chinese (zh)
Inventor
jing-yong Wu
Original Assignee
Li Deng Mao
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 Li Deng Mao filed Critical Li Deng Mao
Priority to TW98220151U priority Critical patent/TWM384108U/zh
Publication of TWM384108U publication Critical patent/TWM384108U/zh
Priority to JP2010006628U priority patent/JP3164807U/ja

Links

Landscapes

  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Drawing Aids And Blackboards (AREA)
TW98220151U 2009-10-30 2009-10-30 Handhold automatic chalk dust eraser TWM384108U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW98220151U TWM384108U (en) 2009-10-30 2009-10-30 Handhold automatic chalk dust eraser
JP2010006628U JP3164807U (ja) 2009-10-30 2010-10-06 チョークの粉の自動清掃機能を備えた手持ち黒板消し

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW98220151U TWM384108U (en) 2009-10-30 2009-10-30 Handhold automatic chalk dust eraser

Publications (1)

Publication Number Publication Date
TWM384108U true TWM384108U (en) 2010-07-11

Family

ID=50600984

Family Applications (1)

Application Number Title Priority Date Filing Date
TW98220151U TWM384108U (en) 2009-10-30 2009-10-30 Handhold automatic chalk dust eraser

Country Status (2)

Country Link
JP (1) JP3164807U (ja)
TW (1) TWM384108U (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104149527B (zh) * 2014-08-29 2016-03-16 安徽工程大学 吸尘黑板擦
CN107159595A (zh) * 2017-06-05 2017-09-15 安徽理工大学 一种高效便捷的板擦清洁装置
CN109228740A (zh) * 2017-07-11 2019-01-18 河北艾业科技发展有限公司 一种防止粉尘飞溅的黑板
CN108787547A (zh) * 2018-07-25 2018-11-13 大余县萤通工贸有限公司 一种用于萤石干粉储存室的除尘装置
CN111761975A (zh) * 2020-08-06 2020-10-13 广西科技大学鹿山学院 一种高频振动黑板擦及其控制方法
CN114670573B (zh) * 2022-03-07 2023-11-17 上海电力大学 一种用于变距黑板的自动清洁装置

Also Published As

Publication number Publication date
JP3164807U (ja) 2010-12-16

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Legal Events

Date Code Title Description
MM4K Annulment or lapse of a utility model due to non-payment of fees