JPS62149734U - - Google Patents

Info

Publication number
JPS62149734U
JPS62149734U JP3806486U JP3806486U JPS62149734U JP S62149734 U JPS62149734 U JP S62149734U JP 3806486 U JP3806486 U JP 3806486U JP 3806486 U JP3806486 U JP 3806486U JP S62149734 U JPS62149734 U JP S62149734U
Authority
JP
Japan
Prior art keywords
ceiling
ventilation opening
lid plate
back side
dimension
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
JP3806486U
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 JP3806486U priority Critical patent/JPS62149734U/ja
Publication of JPS62149734U publication Critical patent/JPS62149734U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Building Environments (AREA)
  • Ventilation (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の一実施例の斜視図、第2図
はその断面図である。 1……換気口、2……天井、3……蓋板、4…
…蓋板支持板。

Claims (1)

    【実用新案登録請求の範囲】
  1. 換気口を設けた天井と、前記換気口を天井裏側
    から閉塞可能な大きさで縦横寸法の異なる蓋板と
    、前記換気口付近の天井裏側に前記蓋板の縦寸法
    より小さくかつ横寸法より大きい間隔で達向立設
    した蓋板支持板とを備えた換気装置。
JP3806486U 1986-03-14 1986-03-14 Pending JPS62149734U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3806486U JPS62149734U (ja) 1986-03-14 1986-03-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3806486U JPS62149734U (ja) 1986-03-14 1986-03-14

Publications (1)

Publication Number Publication Date
JPS62149734U true JPS62149734U (ja) 1987-09-22

Family

ID=30849958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3806486U Pending JPS62149734U (ja) 1986-03-14 1986-03-14

Country Status (1)

Country Link
JP (1) JPS62149734U (ja)

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