SE8604068L - SELF-LASING MANHALSLOCK - Google Patents

SELF-LASING MANHALSLOCK

Info

Publication number
SE8604068L
SE8604068L SE8604068A SE8604068A SE8604068L SE 8604068 L SE8604068 L SE 8604068L SE 8604068 A SE8604068 A SE 8604068A SE 8604068 A SE8604068 A SE 8604068A SE 8604068 L SE8604068 L SE 8604068L
Authority
SE
Sweden
Prior art keywords
cover
locking means
underside
manhole
flange
Prior art date
Application number
SE8604068A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE8604068D0 (en
SE450713B (en
SE450713C (en
Inventor
J Refsahl
Original Assignee
Furnes Jernstoperi As
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 Furnes Jernstoperi As filed Critical Furnes Jernstoperi As
Publication of SE8604068L publication Critical patent/SE8604068L/en
Publication of SE8604068D0 publication Critical patent/SE8604068D0/en
Publication of SE450713B publication Critical patent/SE450713B/en
Publication of SE450713C publication Critical patent/SE450713C/en

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)
  • Motor Or Generator Frames (AREA)

Abstract

A self-locking manhole cover (4) has stiffening ribs (8, 10, 17, 18) secured to its underside and a locking means (6) on its underside, the locking means (6) being intended to engage beneath the flange (2) of a manhole frame (1) when the cover has been placed in the manhole frame. By action against an elastic force which keeps the locking means (6) beneath the flange (2), the locking means (6) may be released from the locking position by operating a tool (14) which is inserted down through a hole (15) in the manhole cover (4). The locking means (6) consists of a protruding boss which is secured to a resilient arm (5) which is secured to the underside of the cover (4) and extends parallel to its plane and essentially parallel to part of the periphery of the cover (4) and near thereto. The cover (4) is on its underside further provided with at least one further locking means (7) intended to engage beneath the flange (2) of the manhole frame (1) when the cover has been positioned in the manhole frame.
SE8604068A 1985-01-30 1986-09-25 SELF-LOCKING MANUAL LOCK SE450713C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO850359A NO160455C (en) 1985-01-30 1985-01-30 Device for automatic locking and locking of the cowl lid

Publications (4)

Publication Number Publication Date
SE8604068L true SE8604068L (en) 1986-09-25
SE8604068D0 SE8604068D0 (en) 1986-09-25
SE450713B SE450713B (en) 1987-07-20
SE450713C SE450713C (en) 1991-06-25

Family

ID=19888087

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8604068A SE450713C (en) 1985-01-30 1986-09-25 SELF-LOCKING MANUAL LOCK

Country Status (7)

Country Link
DE (2) DE3690048T (en)
DK (1) DK154519C (en)
FI (1) FI83983C (en)
GB (1) GB2181474B (en)
NO (1) NO160455C (en)
SE (1) SE450713C (en)
WO (1) WO1986004624A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2032874T3 (en) * 1987-02-02 1993-03-01 Von Roll Ag SYSTEM TO SECURE A COVER THAT CLOSES AN OPENING.
GB2218054A (en) * 1988-05-06 1989-11-08 George Watkins Removable aperture closing plate
GB8907060D0 (en) * 1989-03-29 1989-05-10 Craig Philip Chamber and method of making same,liner and cover therefor
DE3925317A1 (en) * 1989-07-31 1991-02-07 Dallmer Gmbh & Co FLOOR DRAIN
FR2667889A1 (en) * 1990-10-15 1992-04-17 Pont A Mousson (EN) PAVEMENT LOOP BUFFER, LOOK COMPRISING THIS BUFFER AND LOCKING RING FOR SUCH A BUFFER.
GB2265649B (en) * 1992-04-02 1996-03-13 Colin Edward Staggs A manhole cover
NZ247626A (en) * 1992-05-18 1994-12-22 Grahame George Kermonde Manhole or pit cover secured by spring latch arms retained under compression
DE20204108U1 (en) * 2002-03-14 2003-07-24 Hydrotec Technologies GmbH & Co. KG, 27793 Wildeshausen Cover of a manhole cover and manhole cover
WO2004085754A1 (en) 2003-03-25 2004-10-07 Aco Severin Ahlmann Gmbh & Co. Kg Cover arrangement
DE10356168B4 (en) * 2003-12-02 2007-04-12 Aco Severin Ahlmann Gmbh & Co. Kg Manhole cover with lifting protection
CN107675726A (en) * 2016-08-01 2018-02-09 先源开 A kind of synchronous adjustable safety inspection well cover
RU2702791C1 (en) * 2018-12-13 2019-10-11 Государственное Унитарное Предприятие "Водоканал Санкт-Петербурга" Manhole cover with retainer and damping lining of manhole cover

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1693190A (en) * 1925-08-29 1928-11-27 Elsa D Theobald Guenther Manhole cover
US1988360A (en) * 1932-10-28 1935-01-15 Lenape Hydraulic Pressing & Fo Manhole frame cover
GB521309A (en) * 1938-11-15 1940-05-17 Augustine Joseph Hartley Improvements in cast iron covers and frames for gullies, manholes, hydrants and the like openings in roads or footpaths
US2535275A (en) * 1946-01-28 1950-12-26 Dixon Frank Thomas Manhole lid clamp
DE820553C (en) * 1948-10-02 1951-11-12 Daimler Benz Ag Door lock
DE7029833U (en) * 1970-08-07 1970-12-17 Passavant Werke LOCKABLE MANHOLE COVER.
US4142329A (en) * 1977-10-25 1979-03-06 Williams Robert C Catch basin grate and receiving frame locking assembly
SE416483B (en) * 1978-08-25 1981-01-05 Varnesforetagen Ab Tierps Jern Cover device for a manhole, a gutter inlet or the like
NL7905854A (en) * 1979-07-30 1981-02-03 Raatjes Egbertus Sijbolt COVER.
GB2085946A (en) * 1980-10-17 1982-05-06 British Steel Corp Locking manhole covers and gully grids
GB2119836A (en) * 1982-01-29 1983-11-23 Brickhouse Dudley Mfg Manhole cover or grating and frame assemblies
SE436050B (en) * 1983-03-22 1984-11-05 Uponor Ab Locking apparatus for drain cover

Also Published As

Publication number Publication date
FI83983C (en) 1991-09-25
DK460886A (en) 1986-09-26
GB8622677D0 (en) 1986-10-22
GB2181474B (en) 1988-08-03
FI863887A0 (en) 1986-09-26
DE3690048T (en) 1987-03-12
SE8604068D0 (en) 1986-09-25
SE450713B (en) 1987-07-20
DK460886D0 (en) 1986-09-26
NO850359L (en) 1986-07-31
FI83983B (en) 1991-06-14
NO160455B (en) 1989-01-09
WO1986004624A1 (en) 1986-08-14
DE3690048C2 (en) 1996-03-28
FI863887A (en) 1986-09-26
NO160455C (en) 1995-04-25
SE450713C (en) 1991-06-25
GB2181474A (en) 1987-04-23
DK154519B (en) 1988-11-21
DK154519C (en) 1989-04-10

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