JPS6150144U - - Google Patents

Info

Publication number
JPS6150144U
JPS6150144U JP13313484U JP13313484U JPS6150144U JP S6150144 U JPS6150144 U JP S6150144U JP 13313484 U JP13313484 U JP 13313484U JP 13313484 U JP13313484 U JP 13313484U JP S6150144 U JPS6150144 U JP S6150144U
Authority
JP
Japan
Prior art keywords
protrusions
lid
slide
pair
manhole mechanism
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
JP13313484U
Other languages
English (en)
Other versions
JPH0223647Y2 (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 JP13313484U priority Critical patent/JPH0223647Y2/ja
Publication of JPS6150144U publication Critical patent/JPS6150144U/ja
Application granted granted Critical
Publication of JPH0223647Y2 publication Critical patent/JPH0223647Y2/ja
Expired legal-status Critical Current

Links

Description

【図面の簡単な説明】
図面は本考案に係るマンホール機構の一実施例
を示すものので、第1図は縦断面図、第2図は一
部省略平面図、第3図は一端部(先端部)側の断
面図、第4図はローラー部分の断面図、第5図は
要部平面説明図である。 1…蓋体、2…枠体、3…突起、4…縁部、5
…ローラー、6…突条。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 角型の蓋体1とそれを受支える枠体2とか
    ら成り、蓋体1の一端の左右両端部に突起3,3
    を設ける一方、その突起3,3が摺動する縁部4
    ,4を枠体2の内周に形成し、更に枠体2の他端
    部に於ける縁部上位に一対のローラー5,5を回
    転自在に対向して設け、開閉中前記ローラ5,5
    により滑動する一対の突条6,6を蓋体1の左右
    両側に設けたことを特徴とするマンホール機構。 (2) 突起3,4が一対の突条6,6の先端部に
    設けてある実用新案登録請求の範囲第1項記載の
    マンホール機構。
JP13313484U 1984-08-31 1984-08-31 Expired JPH0223647Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13313484U JPH0223647Y2 (ja) 1984-08-31 1984-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13313484U JPH0223647Y2 (ja) 1984-08-31 1984-08-31

Publications (2)

Publication Number Publication Date
JPS6150144U true JPS6150144U (ja) 1986-04-04
JPH0223647Y2 JPH0223647Y2 (ja) 1990-06-27

Family

ID=30691687

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13313484U Expired JPH0223647Y2 (ja) 1984-08-31 1984-08-31

Country Status (1)

Country Link
JP (1) JPH0223647Y2 (ja)

Also Published As

Publication number Publication date
JPH0223647Y2 (ja) 1990-06-27

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