SE543938C2 - Well cover with lifting and lowering lid - Google Patents

Well cover with lifting and lowering lid

Info

Publication number
SE543938C2
SE543938C2 SE2130011A SE2130011A SE543938C2 SE 543938 C2 SE543938 C2 SE 543938C2 SE 2130011 A SE2130011 A SE 2130011A SE 2130011 A SE2130011 A SE 2130011A SE 543938 C2 SE543938 C2 SE 543938C2
Authority
SE
Sweden
Prior art keywords
lifting
well cover
cover
lowering lid
lowering
Prior art date
Application number
SE2130011A
Other languages
Swedish (sv)
Other versions
SE2130011A1 (en
Inventor
Tomas Karlsson
Original Assignee
Tierps Jaernbruk Ab
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 Tierps Jaernbruk Ab filed Critical Tierps Jaernbruk Ab
Priority to SE2130011A priority Critical patent/SE2130011A1/en
Publication of SE543938C2 publication Critical patent/SE543938C2/en
Publication of SE2130011A1 publication Critical patent/SE2130011A1/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
    • E02D29/1409—Covers for manholes or the like; Frames for covers adjustable in height or inclination
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings

Abstract

En brunnsbetäckning innefattar en betäckningsring (1) och ett med hjälp av en skruv- och mutter-mekanism (15; 22) lyft- och sänkbart lock (2). En skruv (22) är vridbart lagrad och axiellt förankrad i en från lockets undersida nedhängande gjutgodskropp (45) med hjälp av en segmenterad spårryttare (39) och en spårryttarens delar sammanhållande hållar-ring (41).A well cover comprises a cover ring (1) and a lifting and lowering lid (2) which can be lifted and lowered by means of a screw and nut mechanism (15; 22). A screw (22) is rotatably mounted and axially anchored in a casting body (45) hanging from the underside of the cover by means of a segmented groove rider (39) and a retaining ring (41) holding the parts of a groove rider.

SE2130011A 2021-01-12 2021-01-12 Well cover with lifting and lowering lid SE2130011A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE2130011A SE2130011A1 (en) 2021-01-12 2021-01-12 Well cover with lifting and lowering lid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2130011A SE2130011A1 (en) 2021-01-12 2021-01-12 Well cover with lifting and lowering lid

Publications (2)

Publication Number Publication Date
SE543938C2 true SE543938C2 (en) 2021-09-28
SE2130011A1 SE2130011A1 (en) 2021-09-28

Family

ID=77745393

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2130011A SE2130011A1 (en) 2021-01-12 2021-01-12 Well cover with lifting and lowering lid

Country Status (1)

Country Link
SE (1) SE2130011A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930739A (en) * 1972-08-22 1976-01-06 Larsson Folke J Manhole frame with adjustment screws
DE3530629A1 (en) * 1985-08-28 1987-03-05 Buderus Ag Device for lowering and raising a manhole cover
EP0231454A1 (en) * 1986-01-31 1987-08-12 Von Roll Ag Cover for pitshaft
US5531541A (en) * 1995-03-22 1996-07-02 Fairfield Industries Manhole cover lifting apparatus
US5628152A (en) * 1995-08-16 1997-05-13 Bowman; Harold M. Adjustable manhole cover support with shield
US7695213B1 (en) * 2007-12-12 2010-04-13 Neenah Foundry Company Cam-lift for a manhole cover
WO2020167181A1 (en) * 2019-02-12 2020-08-20 Tierps Järnbruk AB A locking/unlocking arrangement for a well cover

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930739A (en) * 1972-08-22 1976-01-06 Larsson Folke J Manhole frame with adjustment screws
DE3530629A1 (en) * 1985-08-28 1987-03-05 Buderus Ag Device for lowering and raising a manhole cover
EP0231454A1 (en) * 1986-01-31 1987-08-12 Von Roll Ag Cover for pitshaft
US5531541A (en) * 1995-03-22 1996-07-02 Fairfield Industries Manhole cover lifting apparatus
US5628152A (en) * 1995-08-16 1997-05-13 Bowman; Harold M. Adjustable manhole cover support with shield
US7695213B1 (en) * 2007-12-12 2010-04-13 Neenah Foundry Company Cam-lift for a manhole cover
WO2020167181A1 (en) * 2019-02-12 2020-08-20 Tierps Järnbruk AB A locking/unlocking arrangement for a well cover

Also Published As

Publication number Publication date
SE2130011A1 (en) 2021-09-28

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