JPS6321400U - - Google Patents

Info

Publication number
JPS6321400U
JPS6321400U JP11465286U JP11465286U JPS6321400U JP S6321400 U JPS6321400 U JP S6321400U JP 11465286 U JP11465286 U JP 11465286U JP 11465286 U JP11465286 U JP 11465286U JP S6321400 U JPS6321400 U JP S6321400U
Authority
JP
Japan
Prior art keywords
opening
lid plate
ladder
ladder device
ceiling
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
JP11465286U
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 JP11465286U priority Critical patent/JPS6321400U/ja
Publication of JPS6321400U publication Critical patent/JPS6321400U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Building Environments (AREA)
  • Ladders (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の一実施例における蓋板の斜
視図、第2図はこの考案の他の実施例における蓋
板の斜視図、第3図ははしご装置の斜視図、第4
図は従来の蓋板の斜視図である。 1……天井、2……開口枠、3,3′……蓋板
、4……換気口、8……はしご、21……開口。

Claims (1)

    【実用新案登録請求の範囲】
  1. 天井に設けられて天井裏収納部に通じる開口を
    塞いだ回動開閉式の蓋板と、この蓋板上面に蓋板
    を下方へ開いた状態で伸長するはしごとを備えた
    はしご装置において、前記蓋板または蓋板と前記
    天井の開口との間に前記天井裏収納部と室内との
    間で空気の流通を許容する換気口を設けたことを
    特徴とするはしご装置。
JP11465286U 1986-07-25 1986-07-25 Pending JPS6321400U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11465286U JPS6321400U (ja) 1986-07-25 1986-07-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11465286U JPS6321400U (ja) 1986-07-25 1986-07-25

Publications (1)

Publication Number Publication Date
JPS6321400U true JPS6321400U (ja) 1988-02-12

Family

ID=30997586

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11465286U Pending JPS6321400U (ja) 1986-07-25 1986-07-25

Country Status (1)

Country Link
JP (1) JPS6321400U (ja)

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