JPH0358344U - - Google Patents

Info

Publication number
JPH0358344U
JPH0358344U JP11789789U JP11789789U JPH0358344U JP H0358344 U JPH0358344 U JP H0358344U JP 11789789 U JP11789789 U JP 11789789U JP 11789789 U JP11789789 U JP 11789789U JP H0358344 U JPH0358344 U JP H0358344U
Authority
JP
Japan
Prior art keywords
engagement
lid
protrusion
hinge
engagement surface
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
JP11789789U
Other languages
English (en)
Other versions
JPH077393Y2 (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 JP1989117897U priority Critical patent/JPH077393Y2/ja
Publication of JPH0358344U publication Critical patent/JPH0358344U/ja
Application granted granted Critical
Publication of JPH077393Y2 publication Critical patent/JPH077393Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【図面の簡単な説明】
図面は本考案装置の実施例を示すもので、第1
図は平面図、第2図は断面図、第3図は蝶番部分
の正面図、第4図、第5図、第6図は係合面の3
形態を示す蝶番金具3種の斜視図、第7図、第8
図、第9図は各蝶番金具の係合面と係合凹部とを
組合せた断面図である。 1……枠体、2……蓋体、3……抜止環、4…
…蝶番金具、5……係合面、6……係合凹部、7
……突部、8……係合突部。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 枠体1の開口を塞ぐ蓋体2の縁部下面に、
    枠体1の開口内に設けられた抜止環3に係止可能
    でありかつ、蓋体2を反転可能に取付ける蝶番金
    具4を軸支し、前記抜止環3の内部に、蝶番金具
    4の外側面に設けられた上向きの係合面5と係合
    可能であり、蓋体2に押上げ力が働いたときに係
    合面5に当つて蝶番金具4を停止させる係合凹部
    6を設けたことを特徴とする地下構造物用蓋蝶番
    装置。 (2) 係合面5は、中央部で上方に突出した、突
    部7を有し、係合凹部6は前記突部7に対応した
    山形形状を有する請求項第1項記載の地下構造物
    用蓋蝶番装置。 (3) 係合面5は、蝶番金具4の外側面に突出し
    て設けられた係合突部8の上面に形成されたもの
    である請求項第1項記載の地下構造物用蓋蝶番装
    置。
JP1989117897U 1989-10-05 1989-10-05 地下構造物用蓋蝶番装置 Expired - Fee Related JPH077393Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989117897U JPH077393Y2 (ja) 1989-10-05 1989-10-05 地下構造物用蓋蝶番装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989117897U JPH077393Y2 (ja) 1989-10-05 1989-10-05 地下構造物用蓋蝶番装置

Publications (2)

Publication Number Publication Date
JPH0358344U true JPH0358344U (ja) 1991-06-06
JPH077393Y2 JPH077393Y2 (ja) 1995-02-22

Family

ID=31666098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989117897U Expired - Fee Related JPH077393Y2 (ja) 1989-10-05 1989-10-05 地下構造物用蓋蝶番装置

Country Status (1)

Country Link
JP (1) JPH077393Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0169848U (ja) * 1987-10-26 1989-05-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0169848U (ja) * 1987-10-26 1989-05-09

Also Published As

Publication number Publication date
JPH077393Y2 (ja) 1995-02-22

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees