KR890005356A - Lock mechanism for underground structure - Google Patents

Lock mechanism for underground structure Download PDF

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Publication number
KR890005356A
KR890005356A KR1019880002259A KR880002259A KR890005356A KR 890005356 A KR890005356 A KR 890005356A KR 1019880002259 A KR1019880002259 A KR 1019880002259A KR 880002259 A KR880002259 A KR 880002259A KR 890005356 A KR890005356 A KR 890005356A
Authority
KR
South Korea
Prior art keywords
cover opening
hook member
cover
lock mechanism
opening arm
Prior art date
Application number
KR1019880002259A
Other languages
Korean (ko)
Other versions
KR930000631B1 (en
Inventor
히로다까 나가시마
Original Assignee
나가시마 요시오
나가시마 이모노 가부시끼가이샤
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 by 나가시마 요시오, 나가시마 이모노 가부시끼가이샤 filed Critical 나가시마 요시오
Publication of KR890005356A publication Critical patent/KR890005356A/en
Application granted granted Critical
Publication of KR930000631B1 publication Critical patent/KR930000631B1/en

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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)

Abstract

내용 없음No content

Description

지하구조물용 자물쇠기구Lock mechanism for underground structure

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 측면단면도.2 is a side cross-sectional view.

제3도는 덮개체와 덮개개방 아암의 관계를 도시하는 설명도.3 is an explanatory diagram showing a relationship between a lid and a lid opening arm.

제4도는 변형예의 덮개체의 이면도.4 is a rear view of the lid of the modification.

Claims (1)

지하구조물의 덮개체(1)를 받아내는 틀체(2)의 내부 돌출부(3)와 걸어맞춤하는 갈고리부재(4)를 덮개체(1)의 소개구(1a)가까이의 이면에 축받이하고, 상기 소개구(1a)에 배치되는 덮개개방아암(5)을 갈고리부재(4)에 근접하여 축받이 하고, 갈고리부재(4)와 덮개개방아암(5)의 각각 등부분에 연장부(6, 7)를 덮개를 여는 조작에 의해 맞닿을 수 있게 돌출설치함과 동시에, 덮개개방아암(5)을 닫는 상태로 유지하는 추(8)를 갈고리부재(4)및/또는 덮개개방아암(5)에 설치한것을 특징으로 하는 지하구조물용 자물쇠기구.The hook member 4 which engages with the internal protrusion 3 of the frame 2 which receives the cover 1 of the underground structure is supported on the back surface near the inlet 1a of the cover 1, and The cover opening arm 5 disposed in the introduction port 1a is received close to the hook member 4, and the extension portions 6 and 7 are respectively provided at the back portions of the hook member 4 and the cover opening arm 5, respectively. To the hook member 4 and / or the cover opening arm 5 while the protrusion 8 is installed so as to be brought into contact with the cover opening operation and the cover opening arm 5 is kept closed. Lock mechanism for underground structures, characterized in that one. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880002259A 1987-09-11 1988-03-04 Locking device of manhole cover KR930000631B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP139015 1986-06-12
JP1987139015U JPH0540117Y2 (en) 1987-09-11 1987-09-11
JP?87-139015 1987-09-11

Publications (2)

Publication Number Publication Date
KR890005356A true KR890005356A (en) 1989-05-13
KR930000631B1 KR930000631B1 (en) 1993-01-28

Family

ID=15235484

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880002259A KR930000631B1 (en) 1987-09-11 1988-03-04 Locking device of manhole cover

Country Status (2)

Country Link
JP (1) JPH0540117Y2 (en)
KR (1) KR930000631B1 (en)

Also Published As

Publication number Publication date
JPS6447851U (en) 1989-03-24
KR930000631B1 (en) 1993-01-28
JPH0540117Y2 (en) 1993-10-12

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