JPS62129452U - - Google Patents

Info

Publication number
JPS62129452U
JPS62129452U JP1602386U JP1602386U JPS62129452U JP S62129452 U JPS62129452 U JP S62129452U JP 1602386 U JP1602386 U JP 1602386U JP 1602386 U JP1602386 U JP 1602386U JP S62129452 U JPS62129452 U JP S62129452U
Authority
JP
Japan
Prior art keywords
lid
bent
manhole
lid body
manhole 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.)
Granted
Application number
JP1602386U
Other languages
English (en)
Other versions
JPH044047Y2 (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 JP1602386U priority Critical patent/JPH044047Y2/ja
Publication of JPS62129452U publication Critical patent/JPS62129452U/ja
Application granted granted Critical
Publication of JPH044047Y2 publication Critical patent/JPH044047Y2/ja
Expired legal-status Critical Current

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Description

【図面の簡単な説明】
第1図は、本考案の一実施例を示す縦断面図、
第2図は蓋の正面図、第3図は枠の縮少平面図、
第4図は蓋の要部拡大平面図、第5図は第1図の
要部拡大断面図、第6図はハンマ現象発生時の蓋
の作動状態を示す縦断面図である。 10…蓋、11…蓋本体、11a…周壁、14
…鉤片、15…ロツク部材受座、20…枠、21
…枠本体、22…手掛アーム、24…係止片、3
0…蝶番部材、40…ロツク部材。

Claims (1)

    【実用新案登録請求の範囲】
  1. 蓋本体11の周壁に、出口側が半径方向外方に
    向き、入口側が蓋裏面に連通するよう設けられた
    複数の孔12と、蓋本体11の蝶番側の下面にL
    状に曲折して一体形成され、その曲折端部分が、
    マンホール枠20の手掛アーム22の下方へ上下
    方向適性間隔を有して突出する左右一対の鉤片1
    4と、蓋本体11の反蝶番側に装着され、先端部
    分を、同側のマンホール枠20から内向突設され
    た係止片24に対して、上下方向に前記と同一の
    間隔となるよう、先端部を外方へ曲折させたロツ
    ク部材40とを有することを特徴とするマンホー
    ルの浮上制御蓋。
JP1602386U 1986-02-06 1986-02-06 Expired JPH044047Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1602386U JPH044047Y2 (ja) 1986-02-06 1986-02-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1602386U JPH044047Y2 (ja) 1986-02-06 1986-02-06

Publications (2)

Publication Number Publication Date
JPS62129452U true JPS62129452U (ja) 1987-08-15
JPH044047Y2 JPH044047Y2 (ja) 1992-02-06

Family

ID=30807502

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1602386U Expired JPH044047Y2 (ja) 1986-02-06 1986-02-06

Country Status (1)

Country Link
JP (1) JPH044047Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI383087B (zh) * 2006-06-05 2013-01-21 Aron Kasei Kabushiki Kaisha 可釋放壓力之筒狀物的蓋子

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI383087B (zh) * 2006-06-05 2013-01-21 Aron Kasei Kabushiki Kaisha 可釋放壓力之筒狀物的蓋子

Also Published As

Publication number Publication date
JPH044047Y2 (ja) 1992-02-06

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