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NO20070834L - Device for loading a cover for a shaft cover and a shaft cover - Google Patents

Device for loading a cover for a shaft cover and a shaft cover

Info

Publication number
NO20070834L
NO20070834L NO20070834A NO20070834A NO20070834L NO 20070834 L NO20070834 L NO 20070834L NO 20070834 A NO20070834 A NO 20070834A NO 20070834 A NO20070834 A NO 20070834A NO 20070834 L NO20070834 L NO 20070834L
Authority
NO
Norway
Prior art keywords
cover
shaft
loading
shaft cover
frame
Prior art date
Application number
NO20070834A
Other languages
Norwegian (no)
Inventor
Wilfried Neuber
Original Assignee
Hydrotec Technologies Ag
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 Hydrotec Technologies Ag filed Critical Hydrotec Technologies Ag
Publication of NO20070834L publication Critical patent/NO20070834L/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5093—For closures
    • Y10T70/554—Cover, lid, cap, encasing shield
    • Y10T70/5562—Removable
    • Y10T70/5575—Directly seating
    • Y10T70/558—Cover-carried lock

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)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Materials For Photolithography (AREA)

Abstract

The invention relates to a device for locking a cover ( 10 ) of a manhole top to the frame thereof, said device comprising at least one locking means ( 16', 18' ) which is provided on the cover ( 10 ) and comprises at least two interspaced, adjacent spring arms ( 18 ) that are respectively provided with an engaging section ( 18 a'). Said sections ( 18 a) can be engaged with a part ( 6 ) of the frame and held on the spring arms ( 18 ) in an elastic manner in such a way that they can be displaced in relation to the adjacent section of the periphery of the cover ( 10 ) at an angle smaller than a right angle. The invention is characterised in that a blocking device ( 40 ) is used to block the displacement of the engaging sections ( 18 a) as required.
NO20070834A 2004-07-14 2007-02-13 Device for loading a cover for a shaft cover and a shaft cover NO20070834L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004010995U DE202004010995U1 (en) 2004-07-14 2004-07-14 Cover of a manhole cover and manhole cover
PCT/EP2005/007667 WO2006005617A1 (en) 2004-07-14 2005-07-14 Device for locking a cover of a manhole top, and manhole top

Publications (1)

Publication Number Publication Date
NO20070834L true NO20070834L (en) 2007-02-13

Family

ID=35058334

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20070834A NO20070834L (en) 2004-07-14 2007-02-13 Device for loading a cover for a shaft cover and a shaft cover

Country Status (7)

Country Link
US (1) US20080168808A1 (en)
EP (1) EP1769125B1 (en)
CN (1) CN101189394B (en)
AT (1) ATE382109T1 (en)
DE (2) DE202004010995U1 (en)
NO (1) NO20070834L (en)
WO (1) WO2006005617A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7588392B2 (en) 2006-04-24 2009-09-15 Zurn Industries, Llc Removable grate
US8156773B1 (en) * 2009-06-12 2012-04-17 Olson Rodney G Manhole cover locks
CN102086649B (en) * 2010-12-07 2013-05-08 徐能德 Multi-layer protection well cover with built-in lock
EP2508678A1 (en) 2011-04-05 2012-10-10 Benito Artis, Sl Lid for a manhole
EP2508679B1 (en) 2011-04-05 2013-09-25 Benito Artis, Sl Cover for an underground structure manhole
CN104099949B (en) * 2014-08-04 2015-12-30 成都新同高复合器材有限公司 Ductile cast iron manhole cover and preparation method thereof

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1458391A (en) * 1922-06-26 1923-06-12 Burton Thomas James Cover for manholes and analogous devices
US2363567A (en) * 1943-06-12 1944-11-28 Henry W Blakeman Cover plate
US3973856A (en) * 1975-06-17 1976-08-10 Joseph Gaglioti Manhole closure assembly
US4523407A (en) * 1983-09-23 1985-06-18 Dorothy W. Miller Hatch cover
ES2032874T3 (en) * 1987-02-02 1993-03-01 Von Roll Ag SYSTEM TO SECURE A COVER THAT CLOSES AN OPENING.
US4902165A (en) * 1988-02-19 1990-02-20 Embree Lewis A Locking valve cover
CN2108125U (en) * 1991-12-18 1992-06-24 吴卫军 Theftproof locking device for manhole cover
US5328291A (en) * 1992-09-24 1994-07-12 Wisniewski Robert S Locking manhole insert
US5324135A (en) * 1993-04-28 1994-06-28 Dennis Smith Locking cover
FR2723118B1 (en) * 1994-07-29 1998-02-13 Pont A Mousson ROAD DEVICE
US5845442A (en) * 1995-12-22 1998-12-08 Strehlow; J. Bradshaw Hole cover
DE20204108U1 (en) * 2002-03-14 2003-07-24 Hydrotec Technologies GmbH & Co. KG, 27793 Wildeshausen Cover of a manhole cover and manhole cover
US6732555B1 (en) * 2003-01-10 2004-05-11 Dfw Plastics, Inc. Lock for a meter box lid
US6739796B1 (en) * 2003-03-21 2004-05-25 Philip W. Del Nero High security manhole insert cover
DE60303777D1 (en) * 2003-05-08 2006-04-27 Ulma Hormigon Polimero S Coop Closing device for inspection shafts
US7347070B1 (en) * 2006-11-15 2008-03-25 David Spector Locking access box cover
US7896574B2 (en) * 2008-04-09 2011-03-01 Mcgard Llc Self-locking manhole cover

Also Published As

Publication number Publication date
CN101189394A (en) 2008-05-28
CN101189394B (en) 2011-03-30
EP1769125B1 (en) 2007-12-26
ATE382109T1 (en) 2008-01-15
EP1769125A1 (en) 2007-04-04
DE502005002358D1 (en) 2008-02-07
DE202004010995U1 (en) 2005-11-17
US20080168808A1 (en) 2008-07-17
WO2006005617A1 (en) 2006-01-19

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application