KR950027058U - 전동 흡입식 칠판 지우개 - Google Patents

전동 흡입식 칠판 지우개

Info

Publication number
KR950027058U
KR950027058U KR2019940005223U KR19940005223U KR950027058U KR 950027058 U KR950027058 U KR 950027058U KR 2019940005223 U KR2019940005223 U KR 2019940005223U KR 19940005223 U KR19940005223 U KR 19940005223U KR 950027058 U KR950027058 U KR 950027058U
Authority
KR
South Korea
Prior art keywords
blackboard eraser
electric suction
type blackboard
type
suction
Prior art date
Application number
KR2019940005223U
Other languages
English (en)
Other versions
KR960003452Y1 (ko
Inventor
허성주
Original Assignee
허성주
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 허성주 filed Critical 허성주
Priority to KR2019940005223U priority Critical patent/KR960003452Y1/ko
Publication of KR950027058U publication Critical patent/KR950027058U/ko
Application granted granted Critical
Publication of KR960003452Y1 publication Critical patent/KR960003452Y1/ko

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • 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
    • B43L21/00—Blackboard or slate cleaning devices
    • B43L21/04—Wiper holders
KR2019940005223U 1994-03-15 1994-03-15 전동 흡입식 칠판 지우개 KR960003452Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019940005223U KR960003452Y1 (ko) 1994-03-15 1994-03-15 전동 흡입식 칠판 지우개

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019940005223U KR960003452Y1 (ko) 1994-03-15 1994-03-15 전동 흡입식 칠판 지우개

Publications (2)

Publication Number Publication Date
KR950027058U true KR950027058U (ko) 1995-10-16
KR960003452Y1 KR960003452Y1 (ko) 1996-04-24

Family

ID=19379001

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019940005223U KR960003452Y1 (ko) 1994-03-15 1994-03-15 전동 흡입식 칠판 지우개

Country Status (1)

Country Link
KR (1) KR960003452Y1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101144224B1 (ko) * 2009-11-06 2012-05-10 한국흑판교재주식회사 물세척 칠판의 물공급장치
KR20220048095A (ko) * 2020-10-12 2022-04-19 우석대학교 산학협력단 흡입형 칠판지우개

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101144224B1 (ko) * 2009-11-06 2012-05-10 한국흑판교재주식회사 물세척 칠판의 물공급장치
KR20220048095A (ko) * 2020-10-12 2022-04-19 우석대학교 산학협력단 흡입형 칠판지우개

Also Published As

Publication number Publication date
KR960003452Y1 (ko) 1996-04-24

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee