JPH0280491U - - Google Patents

Info

Publication number
JPH0280491U
JPH0280491U JP16068388U JP16068388U JPH0280491U JP H0280491 U JPH0280491 U JP H0280491U JP 16068388 U JP16068388 U JP 16068388U JP 16068388 U JP16068388 U JP 16068388U JP H0280491 U JPH0280491 U JP H0280491U
Authority
JP
Japan
Prior art keywords
blackboard
attached
air outlet
outlet
suction
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.)
Pending
Application number
JP16068388U
Other languages
English (en)
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 filed Critical
Priority to JP16068388U priority Critical patent/JPH0280491U/ja
Publication of JPH0280491U publication Critical patent/JPH0280491U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)

Description

【図面の簡単な説明】
第1図は本考案の正面図。第2図は本考案の側
面図。 1は黒板、2は空気吹き出し口、3は吸引口、
4は白墨又は黒板消し置き、5はダストフイルタ
ー、6はフアン、7はダクト、8はダクト、9は
ダクト、10は空気量調整ダンパー、11は空気
量調整ダンパー。

Claims (1)

    【実用新案登録請求の範囲】
  1. 黒板1の上部に、空気吹出し口2及び下部の白
    墨又は黒板消し置き4に、吸引口3を取り付け、
    空気吹き出し口2と吸引口3をダクト7,8,9
    で接続し、その間にダストフイルター5及びフア
    ン6を設けた黒板。
JP16068388U 1988-12-09 1988-12-09 Pending JPH0280491U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16068388U JPH0280491U (ja) 1988-12-09 1988-12-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16068388U JPH0280491U (ja) 1988-12-09 1988-12-09

Publications (1)

Publication Number Publication Date
JPH0280491U true JPH0280491U (ja) 1990-06-21

Family

ID=31442965

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16068388U Pending JPH0280491U (ja) 1988-12-09 1988-12-09

Country Status (1)

Country Link
JP (1) JPH0280491U (ja)

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