JPS62149732U - - Google Patents

Info

Publication number
JPS62149732U
JPS62149732U JP3806286U JP3806286U JPS62149732U JP S62149732 U JPS62149732 U JP S62149732U JP 3806286 U JP3806286 U JP 3806286U JP 3806286 U JP3806286 U JP 3806286U JP S62149732 U JPS62149732 U JP S62149732U
Authority
JP
Japan
Prior art keywords
ventilation hole
screw
type lifting
lifting device
ventilation
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
JP3806286U
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 JP3806286U priority Critical patent/JPS62149732U/ja
Publication of JPS62149732U publication Critical patent/JPS62149732U/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開状態を示す断
面図、第２図はその閉状態を示す断面図、第３図
は同じくその要部の構造を示す断面図、第４図は
同じくその取り付け状態を示す概略図、第５図は
この考案の第２実施例の開状態を示す断面図、第
６図はその閉状態を示す断面図、第７図はこの考
案の第３の実施例の開状態を示す断面図、第８図
は同じくその要部の構造を示す断面図、第９図は
従来例の取り付け状態を示す概略図である。 １……換気口、２……天井、３，１３，２３…
…ねじ式昇降具、４，１４……蓋板。

Claims (1)

    【実用新案登録請求の範囲】
  1. 換気口を形成した天井と、この換気口の上方に
    設けたねじ式昇降具と、このねじ式昇降具の下端
    に設けられて昇降に応じて前記換気口を開閉する
    蓋板とを備えた換気装置。
JP3806286U 1986-03-14 1986-03-14 Pending JPS62149732U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3806286U JPS62149732U (ja) 1986-03-14 1986-03-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3806286U JPS62149732U (ja) 1986-03-14 1986-03-14

Publications (1)

Publication Number Publication Date
JPS62149732U true JPS62149732U (ja) 1987-09-22

Family

ID=30849954

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3806286U Pending JPS62149732U (ja) 1986-03-14 1986-03-14

Country Status (1)

Country Link
JP (1) JPS62149732U (ja)

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