JPH077390Y2 - マンホール用可搬式タラップ - Google Patents

マンホール用可搬式タラップ

Info

Publication number
JPH077390Y2
JPH077390Y2 JP1989137377U JP13737789U JPH077390Y2 JP H077390 Y2 JPH077390 Y2 JP H077390Y2 JP 1989137377 U JP1989137377 U JP 1989137377U JP 13737789 U JP13737789 U JP 13737789U JP H077390 Y2 JPH077390 Y2 JP H077390Y2
Authority
JP
Japan
Prior art keywords
manhole
ladder
support frame
opening
enclosure
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.)
Expired - Lifetime
Application number
JP1989137377U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0376045U (en, 2012
Inventor
維 前田
雅虎 竹本
太郎 松浦
Original Assignee
城田鉄工株式会社
株式会社山陽商会
ミドリ安全滋賀株式会社
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 城田鉄工株式会社, 株式会社山陽商会, ミドリ安全滋賀株式会社 filed Critical 城田鉄工株式会社
Priority to JP1989137377U priority Critical patent/JPH077390Y2/ja
Publication of JPH0376045U publication Critical patent/JPH0376045U/ja
Application granted granted Critical
Publication of JPH077390Y2 publication Critical patent/JPH077390Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Ladders (AREA)
JP1989137377U 1989-11-28 1989-11-28 マンホール用可搬式タラップ Expired - Lifetime JPH077390Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989137377U JPH077390Y2 (ja) 1989-11-28 1989-11-28 マンホール用可搬式タラップ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989137377U JPH077390Y2 (ja) 1989-11-28 1989-11-28 マンホール用可搬式タラップ

Publications (2)

Publication Number Publication Date
JPH0376045U JPH0376045U (en, 2012) 1991-07-30
JPH077390Y2 true JPH077390Y2 (ja) 1995-02-22

Family

ID=31684537

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989137377U Expired - Lifetime JPH077390Y2 (ja) 1989-11-28 1989-11-28 マンホール用可搬式タラップ

Country Status (1)

Country Link
JP (1) JPH077390Y2 (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101262969B1 (ko) 2013-03-06 2013-05-09 창전이앤시 주식회사 터널 유지관리용 환기구의 접이식 안전 사다리

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5299660U (en, 2012) * 1975-08-15 1977-07-28
JPS624590U (en, 2012) * 1985-06-25 1987-01-12
JPS63130544U (en, 2012) * 1987-02-16 1988-08-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101262969B1 (ko) 2013-03-06 2013-05-09 창전이앤시 주식회사 터널 유지관리용 환기구의 접이식 안전 사다리

Also Published As

Publication number Publication date
JPH0376045U (en, 2012) 1991-07-30

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