JPS6447851U - - Google Patents

Info

Publication number
JPS6447851U
JPS6447851U JP1987139015U JP13901587U JPS6447851U JP S6447851 U JPS6447851 U JP S6447851U JP 1987139015 U JP1987139015 U JP 1987139015U JP 13901587 U JP13901587 U JP 13901587U JP S6447851 U JPS6447851 U JP S6447851U
Authority
JP
Japan
Prior art keywords
lid
hook member
arm
pivotally supported
opening
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
JP1987139015U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0540117Y2 (US20080094685A1-20080424-C00004.png
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 JP1987139015U priority Critical patent/JPH0540117Y2/ja
Priority to KR1019880002259A priority patent/KR930000631B1/ko
Publication of JPS6447851U publication Critical patent/JPS6447851U/ja
Application granted granted Critical
Publication of JPH0540117Y2 publication Critical patent/JPH0540117Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1427—Locking devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
JP1987139015U 1987-09-11 1987-09-11 Expired - Lifetime JPH0540117Y2 (US20080094685A1-20080424-C00004.png)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987139015U JPH0540117Y2 (US20080094685A1-20080424-C00004.png) 1987-09-11 1987-09-11
KR1019880002259A KR930000631B1 (ko) 1987-09-11 1988-03-04 지하구조물용 자물쇠기구

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987139015U JPH0540117Y2 (US20080094685A1-20080424-C00004.png) 1987-09-11 1987-09-11

Publications (2)

Publication Number Publication Date
JPS6447851U true JPS6447851U (US20080094685A1-20080424-C00004.png) 1989-03-24
JPH0540117Y2 JPH0540117Y2 (US20080094685A1-20080424-C00004.png) 1993-10-12

Family

ID=15235484

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987139015U Expired - Lifetime JPH0540117Y2 (US20080094685A1-20080424-C00004.png) 1987-09-11 1987-09-11

Country Status (2)

Country Link
JP (1) JPH0540117Y2 (US20080094685A1-20080424-C00004.png)
KR (1) KR930000631B1 (US20080094685A1-20080424-C00004.png)

Also Published As

Publication number Publication date
KR890005356A (ko) 1989-05-13
KR930000631B1 (ko) 1993-01-28
JPH0540117Y2 (US20080094685A1-20080424-C00004.png) 1993-10-12

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