JPS59160651U - マンホ−ル等昇降用補助装置 - Google Patents

マンホ−ル等昇降用補助装置

Info

Publication number
JPS59160651U
JPS59160651U JP5582683U JP5582683U JPS59160651U JP S59160651 U JPS59160651 U JP S59160651U JP 5582683 U JP5582683 U JP 5582683U JP 5582683 U JP5582683 U JP 5582683U JP S59160651 U JPS59160651 U JP S59160651U
Authority
JP
Japan
Prior art keywords
cylindrical frame
manhole
opening
auxiliary ladder
rectangular cylindrical
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.)
Granted
Application number
JP5582683U
Other languages
English (en)
Japanese (ja)
Other versions
JPS624590Y2 (enrdf_load_stackoverflow
Inventor
甲斐　三郎
佐竹　利昭
和泉　祥之
海老沢　正俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujii Denko Co Ltd
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Fujii Denko Co Ltd
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 by Tokyo Electric Power Co Inc, Fujii Denko Co Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP5582683U priority Critical patent/JPS59160651U/ja
Publication of JPS59160651U publication Critical patent/JPS59160651U/ja
Application granted granted Critical
Publication of JPS624590Y2 publication Critical patent/JPS624590Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Ladders (AREA)
  • Emergency Lowering Means (AREA)
JP5582683U 1983-04-14 1983-04-14 マンホ−ル等昇降用補助装置 Granted JPS59160651U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5582683U JPS59160651U (ja) 1983-04-14 1983-04-14 マンホ−ル等昇降用補助装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5582683U JPS59160651U (ja) 1983-04-14 1983-04-14 マンホ−ル等昇降用補助装置

Publications (2)

Publication Number Publication Date
JPS59160651U true JPS59160651U (ja) 1984-10-27
JPS624590Y2 JPS624590Y2 (enrdf_load_stackoverflow) 1987-02-02

Family

ID=30186156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5582683U Granted JPS59160651U (ja) 1983-04-14 1983-04-14 マンホ−ル等昇降用補助装置

Country Status (1)

Country Link
JP (1) JPS59160651U (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006045979A (ja) * 2004-08-06 2006-02-16 Hibiya Eng Ltd マンホール開口養生バリケード
JP2011256532A (ja) * 2010-06-07 2011-12-22 Tokyo Electric Power Co Inc:The 可動梯子用の安全ブロック取付治具
JP5067820B1 (ja) * 2012-03-30 2012-11-07 株式会社オージーエイ マンホール工事安全補助システム
JP6438608B1 (ja) * 2018-02-08 2018-12-19 日本スピードショア株式会社 マンホール柵

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006045979A (ja) * 2004-08-06 2006-02-16 Hibiya Eng Ltd マンホール開口養生バリケード
JP2011256532A (ja) * 2010-06-07 2011-12-22 Tokyo Electric Power Co Inc:The 可動梯子用の安全ブロック取付治具
JP5067820B1 (ja) * 2012-03-30 2012-11-07 株式会社オージーエイ マンホール工事安全補助システム
JP6438608B1 (ja) * 2018-02-08 2018-12-19 日本スピードショア株式会社 マンホール柵

Also Published As

Publication number Publication date
JPS624590Y2 (enrdf_load_stackoverflow) 1987-02-02

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