JPS6428443U - - Google Patents

Info

Publication number
JPS6428443U
JPS6428443U JP12137687U JP12137687U JPS6428443U JP S6428443 U JPS6428443 U JP S6428443U JP 12137687 U JP12137687 U JP 12137687U JP 12137687 U JP12137687 U JP 12137687U JP S6428443 U JPS6428443 U JP S6428443U
Authority
JP
Japan
Prior art keywords
lid
manhole
rotating body
integrally formed
receiving frame
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
JP12137687U
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 JP12137687U priority Critical patent/JPS6428443U/ja
Publication of JPS6428443U publication Critical patent/JPS6428443U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
図面は本考案の実施態様を例示するもので、第
1図は本案マンホールを構成する蓋受枠の平面図
、第2図は同マンホールを構成する蓋の半部平面
、半部底面図、第3図は同蓋受枠に蓋を被せた状
態の縦断平面図である。 1…マンホール、2…蓋受枠、3…蓋、4…回
転体、5…段部、6…突片、7…段部、8…施錠
装置。

Claims (1)

    【実用新案登録請求の範囲】
  1. 床面の開口部上端の周縁に埋設される蓋受枠2
    と、同蓋受枠に嵌合載置される蓋3とから成り、
    蓋3の一端部を持ち上げることにより他端部を支
    点として反転開放させるようにしたマンホール1
    に於いて、蓋3の裏面に半円形状の回転体4,4
    を一体形成し、前記蓋受枠2には該回転体4,4
    を支承するための凹部形状が回転体と略々同一の
    段部5,5を形成すると共に、蓋3の回転体4,
    4側に突片6を一体形成し、同突片6が下から係
    合する段部7を蓋受枠2に形成して成るマンホー
    ル。
JP12137687U 1987-08-07 1987-08-07 Pending JPS6428443U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12137687U JPS6428443U (ja) 1987-08-07 1987-08-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12137687U JPS6428443U (ja) 1987-08-07 1987-08-07

Publications (1)

Publication Number Publication Date
JPS6428443U true JPS6428443U (ja) 1989-02-20

Family

ID=31368327

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12137687U Pending JPS6428443U (ja) 1987-08-07 1987-08-07

Country Status (1)

Country Link
JP (1) JPS6428443U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517892B2 (ja) * 1972-04-12 1980-05-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517892B2 (ja) * 1972-04-12 1980-05-15

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