JPS6230693U - - Google Patents

Info

Publication number
JPS6230693U
JPS6230693U JP12246785U JP12246785U JPS6230693U JP S6230693 U JPS6230693 U JP S6230693U JP 12246785 U JP12246785 U JP 12246785U JP 12246785 U JP12246785 U JP 12246785U JP S6230693 U JPS6230693 U JP S6230693U
Authority
JP
Japan
Prior art keywords
fan
writing surface
writing
floor
provided near
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
JP12246785U
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 JP12246785U priority Critical patent/JPS6230693U/ja
Publication of JPS6230693U publication Critical patent/JPS6230693U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)

Description

【図面の簡単な説明】
第１図および第２図はおのおの本考案の実施例
を示す側断面図である。 １……筆記面、２……カバー、３……棚、４，
５……フアン、６，７……フイルタ、８……スク
リーン。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 書込み用の筆記面の前面に沿つて空気流を
    発生するためのフアンと、前記筆記面から落ちて
    前記空気流により運ばれた粉を捕捉するためのフ
    イルタとを備えたことを特徴とする床汚れ防止黒
    板。 (2) 前記フアンは前記筆記面の上端辺近傍に設
    けた送気用フアンである実用新案登録請求の範囲
    第(1)項記載の床汚れ防止黒板。 (3) 前記フアンは前記筆記面の下端辺近傍に設
    けた吸気用フアンである実用新案登録請求の範囲
    第(1)項記載の床汚れ防止黒板。
JP12246785U 1985-08-08 1985-08-08 Pending JPS6230693U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12246785U JPS6230693U (ja) 1985-08-08 1985-08-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12246785U JPS6230693U (ja) 1985-08-08 1985-08-08

Publications (1)

Publication Number Publication Date
JPS6230693U true JPS6230693U (ja) 1987-02-24

Family

ID=31012681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12246785U Pending JPS6230693U (ja) 1985-08-08 1985-08-08

Country Status (1)

Country Link
JP (1) JPS6230693U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4115905A1 (de) * 1990-05-15 1991-11-21 Toshiba Kawasaki Kk Kaeltekreisanordnung mit einer zwei gleichzeitig angetriebene verdichtereinheiten aufweisenden verdichtereinrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4115905A1 (de) * 1990-05-15 1991-11-21 Toshiba Kawasaki Kk Kaeltekreisanordnung mit einer zwei gleichzeitig angetriebene verdichtereinheiten aufweisenden verdichtereinrichtung
US5094085A (en) * 1990-05-15 1992-03-10 Kabushiki Kaisha Toshiba Refrigerating cycle apparatus with a compressor having simultaneously driven two compressor means

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