JPH0376045U - - Google Patents

Info

Publication number
JPH0376045U
JPH0376045U JP13737789U JP13737789U JPH0376045U JP H0376045 U JPH0376045 U JP H0376045U JP 13737789 U JP13737789 U JP 13737789U JP 13737789 U JP13737789 U JP 13737789U JP H0376045 U JPH0376045 U JP H0376045U
Authority
JP
Japan
Prior art keywords
manhole
support frame
opening
end side
vertical position
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
JP13737789U
Other languages
English (en)
Other versions
JPH077390Y2 (ja
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 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

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Description

【図面の簡単な説明】
第1図は本考案の実施例に係るマンホール用可
搬式タラツプの支持枠と梯子の平面図、第2図は
同じく側面図、第3図は第1図の−線断面図
、第4図は可搬式タラツプの囲いの斜視図、第5
図は可搬式タラツプをマンホールの出入口付近に
設置した状態を示し、梯子が垂直位置になつて短
縮した状態の正面図、第6図は同じく梯子が伸長
し、支持枠に囲いを取付けた状態の正面図、第7
図は第6図の−線断面図である。 1……支持枠、2……梯子、3……囲い、4…
…マンホール。

Claims (1)

    【実用新案登録請求の範囲】
  1. マンホール4の開口部周縁の地面に載置され、
    少なくともマンホール4の開口の一部分を囲む支
    持枠1と、支持枠1内に略水平位置から略垂直位
    置に亘つて回動自在に取付けられ、垂直位置のと
    きにはその上端部側が地面よりも上方へ突出する
    と共に、下端部側がマンホール4内に位置する梯
    子2と、支持枠1に着脱自在に取付けられ、少な
    くともマンホール4の開口部周囲の一部分を覆う
    囲い3とから構成したことを特徴とするマンホー
    ル用可搬式タラツプ。
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 true JPH0376045U (ja) 1991-07-30
JPH077390Y2 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 (ja)

Families Citing this family (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

Citations (3)

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

Patent Citations (3)

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

Also Published As

Publication number Publication date
JPH077390Y2 (ja) 1995-02-22

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