JPS6287650U - - Google Patents

Info

Publication number
JPS6287650U
JPS6287650U JP17994485U JP17994485U JPS6287650U JP S6287650 U JPS6287650 U JP S6287650U JP 17994485 U JP17994485 U JP 17994485U JP 17994485 U JP17994485 U JP 17994485U JP S6287650 U JPS6287650 U JP S6287650U
Authority
JP
Japan
Prior art keywords
floor
manhole
use indication
opened
floor below
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
JP17994485U
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 JP17994485U priority Critical patent/JPS6287650U/ja
Publication of JPS6287650U publication Critical patent/JPS6287650U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Lowering Means (AREA)

Description

【図面の簡単な説明】
各図はこの考案に係る実施例を示すもので、第
1図はハツチ用避難装置であるつり下げ梯子の上
蓋を開らいたところを示す断面図、(使用表示は
除いて図示してある)。第2図は上蓋を開らいて
、つり下げ梯子の内部を見たところを示す平面図
。第3図は下蓋を開らいたところを示す断面図で
ある。 1……マンホール、2……つり下げ梯子(ハツ
チ用避難装置)、4……下蓋、11……使用表示

Claims (1)

    【実用新案登録請求の範囲】
  1. 上階の床のマンホール内に折りたたみ格納し、
    使用時、次下階につり下げるハツチ用避難装置に
    おいて、マンホール下蓋を開らいた時に、装置よ
    り次下階に使用表示が垂れ下がることを特徴とす
    るハツチ用避難装置の使用表示。
JP17994485U 1985-11-25 1985-11-25 Pending JPS6287650U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17994485U JPS6287650U (ja) 1985-11-25 1985-11-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17994485U JPS6287650U (ja) 1985-11-25 1985-11-25

Publications (1)

Publication Number Publication Date
JPS6287650U true JPS6287650U (ja) 1987-06-04

Family

ID=31123450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17994485U Pending JPS6287650U (ja) 1985-11-25 1985-11-25

Country Status (1)

Country Link
JP (1) JPS6287650U (ja)

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