SE8404899L - Lettlyft schaktlock - Google Patents
Lettlyft schaktlockInfo
- Publication number
- SE8404899L SE8404899L SE8404899A SE8404899A SE8404899L SE 8404899 L SE8404899 L SE 8404899L SE 8404899 A SE8404899 A SE 8404899A SE 8404899 A SE8404899 A SE 8404899A SE 8404899 L SE8404899 L SE 8404899L
- Authority
- SE
- Sweden
- Prior art keywords
- lid
- counterweight
- pit
- axis
- rotation
- Prior art date
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
-
- 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
- E02D29/1463—Hinged connection of cover to frame
-
- 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
- E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Component Parts Of Construction Machinery (AREA)
- Slot Machines And Peripheral Devices (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Lighters Containing Fuel (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/538,187 US4467932A (en) | 1983-10-03 | 1983-10-03 | Easy lift pit lid |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8404899D0 SE8404899D0 (sv) | 1984-10-01 |
SE8404899L true SE8404899L (sv) | 1985-04-04 |
Family
ID=24145879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8404899A SE8404899L (sv) | 1983-10-03 | 1984-10-01 | Lettlyft schaktlock |
Country Status (9)
Country | Link |
---|---|
US (2) | US4467932A (ko) |
JP (1) | JPS6099797A (ko) |
KR (1) | KR930001427B1 (ko) |
CA (1) | CA1221245A (ko) |
DE (1) | DE3436301A1 (ko) |
FR (1) | FR2552794B1 (ko) |
GB (1) | GB2147944B (ko) |
MX (1) | MX157534A (ko) |
SE (1) | SE8404899L (ko) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4467932A (en) * | 1983-10-03 | 1984-08-28 | Dabich Robert M | Easy lift pit lid |
US4655361A (en) * | 1986-01-03 | 1987-04-07 | Clover Norvin Q | Containment tank |
US4669625A (en) * | 1986-04-29 | 1987-06-02 | Garsite Products, Inc. | Easy opening lid |
US4722160A (en) * | 1986-08-15 | 1988-02-02 | Davis Charles R | Combination grave marker and flower receptacle |
US4739896A (en) * | 1987-04-20 | 1988-04-26 | Moss Kathyleen D | Aircraft servicing pit with gravity operated lid latch |
DE3743393A1 (de) * | 1987-09-05 | 1989-03-23 | Fladung Gmbh Manfred | Vorrichtung zur energieversorgung von luftfahrzeugen |
US4880020A (en) * | 1988-03-21 | 1989-11-14 | Schurgin Jeffrey S | Traveling toothbrush holder |
US5673810A (en) * | 1994-08-01 | 1997-10-07 | Nova Group, Inc. | Pit lid counterweight assembly |
US5465862A (en) * | 1994-08-25 | 1995-11-14 | Dabico, Inc. | Aircraft servicing pit lid with lift control |
AU683652B2 (en) * | 1995-08-14 | 1997-11-20 | Beer, Gregory Robert | Lightweight cover |
US5950368A (en) * | 1997-03-17 | 1999-09-14 | Dabico, Inc. | Waterproof pit cover |
US6003705A (en) * | 1998-05-19 | 1999-12-21 | Magnum Mud Equipment Company | Portable bulk storage container having and easy opening lid |
DE19941434A1 (de) * | 1999-08-30 | 2001-03-01 | Fladung Manfred | Versorgungsanordnung |
US6368565B1 (en) * | 2000-04-28 | 2002-04-09 | Dennis J. Michaelson | Sterilization apparatus for dental and orthodontic tools |
US6698178B1 (en) * | 2000-12-01 | 2004-03-02 | David Huffman | Sand trap rake and storage apparatus |
US7021481B2 (en) * | 2001-06-01 | 2006-04-04 | The Coca-Cola Company | Container lid with multiple openings |
US6929142B2 (en) * | 2002-07-29 | 2005-08-16 | Ast Services Llc | Removable hatch cover for an internal floating roof manway |
US6951318B1 (en) | 2003-07-02 | 2005-10-04 | Dabico, Inc. | Multi-position aircraft servicing pit lid latch |
US6715715B1 (en) | 2003-07-14 | 2004-04-06 | Craig A. Petersen | Waterproof counterweighted pit lid |
US6957927B1 (en) | 2004-05-20 | 2005-10-25 | Dabico, Inc. | Removable aircraft servicing pit lid |
GB2421754A (en) * | 2004-12-29 | 2006-07-05 | Saint Gobain Pipelines Plc | Manhole assembly |
US20100180505A1 (en) * | 2007-05-21 | 2010-07-22 | Aco Polycrete Pty Ltd | Pit cover |
US20090145917A1 (en) * | 2007-12-11 | 2009-06-11 | Jason Wojcik | Tamper-Proof Irrigation Box |
US8166706B2 (en) * | 2009-06-08 | 2012-05-01 | U.S.F. Fabrication, Inc. | Multipositional vault door |
NO339468B1 (no) * | 2010-11-06 | 2016-12-12 | Hoover Container Solutions Norway As | Boreslambeholder |
CN201995247U (zh) * | 2011-02-25 | 2011-09-28 | 鸿富锦精密工业(深圳)有限公司 | 电子装置 |
US8844202B2 (en) | 2011-07-01 | 2014-09-30 | U.S.F. Fabrication, Inc. | Latching mechanism for access door |
US8534000B1 (en) * | 2012-04-09 | 2013-09-17 | Moshe Fadlon | Panel and frame system |
US9872448B2 (en) * | 2012-08-06 | 2018-01-23 | Council Of Scientific & Industrial Research | Bioreactor vessel for large scale growing of plants under aseptic condition |
US9315965B1 (en) * | 2013-05-16 | 2016-04-19 | Rsa Protective Technologies, Llc | Flood control system panels for subway entrance |
US9303441B2 (en) | 2014-01-31 | 2016-04-05 | U.S.F. Fabrication, Inc. | Access door with lift assist |
US9871354B2 (en) | 2014-04-10 | 2018-01-16 | S&C Electric Company | Enclosure with lid counterweight assembly |
CN110528582B (zh) * | 2019-09-09 | 2021-06-15 | 安徽省飞龙新型材料有限公司 | 一种窨井盖自动开关系统 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7810330U1 (de) * | 1978-07-20 | Hans Huber Gmbh & Co Kg, 8434 Berching | Schachtabdeckung für Betondome | |
US768869A (en) * | 1903-11-03 | 1904-08-30 | William J Symons | Means for operating cellar or trap doors. |
US1346787A (en) * | 1917-09-04 | 1920-07-13 | Joseph M Kryl | Fire-escape |
FR832832A (fr) * | 1937-05-18 | 1938-10-04 | Applic Mecaniques S I A M Soc | Perfectionnements apportés aux installations pour distribuer des combustibles liquides par quantités mesurées notamment sur les terrains d'aviation |
US2361494A (en) * | 1942-04-20 | 1944-10-31 | Aqua Systems Inc | Fuel handling pit box |
US2769575A (en) * | 1952-12-06 | 1956-11-06 | Lockheed Air Terminal Inc | Airplane refueling system with rate of flow metering |
US3190039A (en) * | 1962-07-09 | 1965-06-22 | Axel S Carlson | Ground vase |
US3541727A (en) * | 1968-05-16 | 1970-11-24 | Axel S Carlson | Ground vase |
US4065020A (en) * | 1975-07-30 | 1977-12-27 | Carson Industries, Inc. | Meter box having rotatable cover and interlocking means |
US4467932A (en) * | 1983-10-03 | 1984-08-28 | Dabich Robert M | Easy lift pit lid |
-
1983
- 1983-10-03 US US06/538,187 patent/US4467932A/en not_active Expired - Lifetime
-
1984
- 1984-08-27 US US06/644,875 patent/US4535908A/en not_active Expired - Fee Related
- 1984-10-01 SE SE8404899A patent/SE8404899L/ not_active Application Discontinuation
- 1984-10-02 KR KR1019840006106A patent/KR930001427B1/ko active IP Right Grant
- 1984-10-02 MX MX201912A patent/MX157534A/es unknown
- 1984-10-02 JP JP59207925A patent/JPS6099797A/ja active Granted
- 1984-10-03 FR FR8415192A patent/FR2552794B1/fr not_active Expired
- 1984-10-03 GB GB08424881A patent/GB2147944B/en not_active Expired
- 1984-10-03 CA CA000464619A patent/CA1221245A/en not_active Expired
- 1984-10-03 DE DE19843436301 patent/DE3436301A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
KR850003750A (ko) | 1985-06-26 |
US4467932A (en) | 1984-08-28 |
FR2552794A1 (fr) | 1985-04-05 |
MX157534A (es) | 1988-11-29 |
US4467932B1 (ko) | 1987-05-19 |
CA1221245A (en) | 1987-05-05 |
KR930001427B1 (ko) | 1993-02-27 |
FR2552794B1 (fr) | 1986-12-19 |
SE8404899D0 (sv) | 1984-10-01 |
GB8424881D0 (en) | 1984-11-07 |
US4535908A (en) | 1985-08-20 |
DE3436301A1 (de) | 1985-05-15 |
GB2147944A (en) | 1985-05-22 |
GB2147944B (en) | 1988-01-06 |
JPS6099797A (ja) | 1985-06-03 |
JPH0515874B2 (ko) | 1993-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8404899-0 Effective date: 19881007 |