EP1728932A2 - Manhole cover or top part - Google Patents

Manhole cover or top part Download PDF

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Publication number
EP1728932A2
EP1728932A2 EP06010356A EP06010356A EP1728932A2 EP 1728932 A2 EP1728932 A2 EP 1728932A2 EP 06010356 A EP06010356 A EP 06010356A EP 06010356 A EP06010356 A EP 06010356A EP 1728932 A2 EP1728932 A2 EP 1728932A2
Authority
EP
European Patent Office
Prior art keywords
recess
grate
frame
pivot
manhole cover
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP06010356A
Other languages
German (de)
French (fr)
Other versions
EP1728932A3 (en
EP1728932B1 (en
Inventor
Manfred Künze
Axel Herber
Stefan Weis
Rudolf Hoffmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MeierGuss Limburg GmbH
Original Assignee
Buderus Guss GmbH
Buderus Kanalguss GmbH
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 Buderus Guss GmbH, Buderus Kanalguss GmbH filed Critical Buderus Guss GmbH
Priority to PL06010356T priority Critical patent/PL1728932T3/en
Publication of EP1728932A2 publication Critical patent/EP1728932A2/en
Publication of EP1728932A3 publication Critical patent/EP1728932A3/en
Application granted granted Critical
Publication of EP1728932B1 publication Critical patent/EP1728932B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E02D29/1463—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
    • 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
    • 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
    • E03F2005/061—Gully gratings hinged to the body of the gully

Definitions

  • the innovation relates to a manhole cover or attachment according to the preamble of the protection claim.
  • a lid or a grate on horizontal support surfaces is associated with a frame which can be installed in the ground above a manhole or drain structure.
  • the lid must remain even when dynamic or pulsating loads occur. This can be caused, for example, by vehicles traveling at high speed.
  • either the securing of the position is achieved by a relatively high own weight or by at least one rotary joint, optionally in conjunction with detents on the opposite sides.
  • a manhole cover or attachment with a cover or grate which has a guided in an associated recess on the frame pivot for the pivotal mounting, is from the DE 100 46 045 C1 known.
  • the pivot and the recess are designed in the manner of a cylindrical hinge.
  • a safeguard against unintentional slamming should be provided for lids or grates with a swivel joint.
  • lids or grates with a swivel joint.
  • an offset provided, which secures this in the open, approximately vertical position of the lid or grate by this engages behind an associated offset in the bottom region of the recess.
  • the lid or grate can only be moved out when closing, when it lifts in the vertical direction and at the same time moves in the closing direction, so that the fuse, namely the height of the offset, to overcome.
  • this requires correspondingly great effort, sometimes even two people for a safe lifting of the lid when closing necessary.
  • the novelty is therefore the object of optimizing a manhole cover or attachment, in particular with regard to maintenance and ease of use.
  • the manhole cover according to the invention is characterized in that on the pivot of the hinge, in the region between its two guided ends and on the side opposite the cover or grate side, a parallel to the hinge axis extending, nose-like projection is formed. This ensures in the open, approximately vertical position of the lid or grate the same against unintentional slamming by engaging behind an associated, extending parallel to the hinge axis increase in the bottom region of the recess.
  • the projection on the pivot pin and / or the elevation in the bottom region of the recess are crowned at least in the direction of the hinge axis or have end faces sloping towards the two sides.
  • the bottom area of the recess together with the elevation, forms a continuous surface sloping towards the inside of the frame in order to remove dirt from the hinge into the shaft.
  • the hinge is cleaned by the movement of the projection on the pivot pin, because this is the inner contour of the frame and the bottom portion of the recess in contact with the increase or has a very small distance thereto. Therefore, the direct range of movement of the hinge, so the way from the horizontal closed position to the vertical open position, always clean.
  • a manhole cover or attachment is thus optimized in terms of maintenance and ease of use. The result is a safe, permanently functioning hinge with self-cleaning properties and a good additional security, which can be solved without effort by only one person.
  • the manhole cover consists of a frame 1 and an associated cover 2 with a flat support surface 3.
  • a formed on the lid 2 pivot 5 is guided with its two ends.
  • a parallel to the hinge axis extending, nose-like projection 6 is integrally formed on the pivot pin 5. He engages in the open, approximately vertical position of the lid 2 on the inside of the manhole cover facing side behind an associated, parallel to the hinge axis extending elevation 7 in the bottom region of the recess 4 on the frame 1 and thereby forms an additional safety.

Abstract

A tongue (6) protrudes from the side of the hinge pin (5) facing the cover (2) or grating and extends parallel to the hinge axis. This tongue prevents the cover being closed accidentally when the cover is in an open position and substantially vertical position by engaging with a protrusion (7) in the bottom of the space (4) in the frame (1) containing the hinge pin. The protrusion extends parallel to the hinge axis.

Description

Die Neuerung betrifft eine Schachtabdeckung oder einen Aufsatz nach dem Oberbegriff des Schutzanspruches 1.
Bei gattungsgemäßen Schachtabdeckungen oder Aufsätzen ist ein Deckel bzw. ein Rost über horizontale Auflageflächen einem Rahmen zugeordnet, welcher in den Boden oberhalb eines Schacht- oder Ablaufbauwerkes eingebaut werden kann. Für derartige Schachtabdeckungen oder Aufsätze bestehen Sicherheitsanforderungen, da zum einen hohe Lasten beim Überfahren aufgenommen werden müssen und andererseits der Deckel auch liegen bleiben muss, wenn dynamische oder impulsartige Belastungen auftreten. Dies kann zum Beispiel durch mit hoher Geschwindigkeit darüber fahrende Fahrzeuge verursacht werden. So wird bei Deckeln bzw. Rosten entweder die Lagesicherung durch ein relativ hohes Eigengewicht oder durch mindestens ein Drehgelenk, wahlweise in Verbindung mit Arretierungen an den gegenüberliegenden Seiten, erreicht.
Eine Schachtabdeckung oder ein Aufsatz mit einem Deckel oder Rost, welcher einen in einer zugeordneten Aussparung am Rahmen geführten Drehzapfen für dessen schwenkbare Lagerung besitzt, ist aus der DE 100 46 045 C1 bekannt. Dabei sind der Drehzapfen und die Aussparung nach Art eines zylindrischen Scharniers gestaltet.
Aus Unfallschutzgründen sollte bei Deckeln bzw. Rosten mit Drehgelenk eine Sicherung gegen unbeabsichtigtes Zuschlagen vorhanden sein. So ist beispielsweise aus der EP 0 349 752 B1 eine Abdeckung für eine Bodenöffnung mit einem Deckel oder Rost bekannt. Dabei sind Deckel oder Rost über einen zapfenartigen Fortsatz schwenkbar in einer Aussparung im Rahmen gelagert. An diesem als Drehzapfen dienenden Fortsatz ist an der dem Deckel oder Rost gegenüberliegenden Seite ein Versatz vorgesehen, welcher in der geöffneten, etwa vertikalen Position des Deckels oder Rostes diesen sichert, indem dieser hinter einen zugeordneten Versatz im Bodenbereich der Aussparung greift. Aus der Öffnungsposition, vorzugsweise mit einem Öffnungswinkel von mehr als 90 Grad, kann der Deckel oder Rost beim Schließen nur heraus bewegt werden, wenn man ihn in vertikaler Richtung anhebt und gleichzeitig in Schließrichtung bewegt, um damit die Sicherung, nämlich die Höhe des Versatzes, zu überwinden. Besonders bei großen Schachtabdeckungen mit hohen Deckelgewichten erfordert dies entsprechend große Kraftanstrengungen, teilweise sind sogar zwei Personen für ein sicheres Anheben des Deckels beim Schließen nötig.The innovation relates to a manhole cover or attachment according to the preamble of the protection claim. 1
In generic manhole covers or essays a lid or a grate on horizontal support surfaces is associated with a frame which can be installed in the ground above a manhole or drain structure. For such manhole covers or essays there are safety requirements, since on the one hand high loads must be taken when driving over and on the other hand, the lid must remain even when dynamic or pulsating loads occur. This can be caused, for example, by vehicles traveling at high speed. Thus, in the case of lids or grids, either the securing of the position is achieved by a relatively high own weight or by at least one rotary joint, optionally in conjunction with detents on the opposite sides.
A manhole cover or attachment with a cover or grate, which has a guided in an associated recess on the frame pivot for the pivotal mounting, is from the DE 100 46 045 C1 known. The pivot and the recess are designed in the manner of a cylindrical hinge.
For reasons of accident protection, a safeguard against unintentional slamming should be provided for lids or grates with a swivel joint. For example, from the EP 0 349 752 B1 a cover for a bottom opening with a lid or grate known. In this case, lid or grate are pivotally mounted on a pin-like extension in a recess in the frame. At this serving as a pivot extension is on the opposite side of the lid or rust an offset provided, which secures this in the open, approximately vertical position of the lid or grate by this engages behind an associated offset in the bottom region of the recess. From the opening position, preferably with an opening angle of more than 90 degrees, the lid or grate can only be moved out when closing, when it lifts in the vertical direction and at the same time moves in the closing direction, so that the fuse, namely the height of the offset, to overcome. Especially with large manhole covers with high cover weights, this requires correspondingly great effort, sometimes even two people for a safe lifting of the lid when closing necessary.

Der Neuerung liegt daher die Aufgabe zu Grunde, eine Schachtabdeckung oder einen Aufsatz, insbesondere im Hinblick auf Wartungs- und Bedienungsfreundlichkeit, zu optimieren.The novelty is therefore the object of optimizing a manhole cover or attachment, in particular with regard to maintenance and ease of use.

Neuerungsgemäß wurde dies mit den Merkmalen im Schutzanspruch 1 gelöst. Vorteilhafte Weiterbildungen sind den Unteransprüchen zu entnehmen.
Die neuerungsgemäße Schachtabdeckung ist dadurch gekennzeichnet, dass am Drehzapfen des Scharniers, im Bereich zwischen dessen beiden geführten Enden und an der dem Deckel oder Rost gegenüberliegenden Seite, ein parallel zur Scharnierachse verlaufender, nasenartiger Vorsprung angeformt ist. Dieser sichert in der geöffneten, etwa vertikalen Position des Deckels oder Rostes denselben gegen unbeabsichtigtes Zuschlagen, indem er eine zugeordnete, parallel zur Scharnierachse verlaufende Erhöhung im Bodenbereich der Aussparung hintergreift.
Dabei besitzen die beiden geführten Enden des Drehzapfens am Deckel oder Rost im jeweils zugeordneten Bereich der Aussparung am Rahmen so viel Spiel, dass der Deckel oder Rost beim Schließen ohne Anheben, ausschließlich mit geringfügigen horizontalen Pendelbewegungen in Richtung der Scharnierachse, über die Erhöhung im Bodenbereich der Aussparung zu bewegen ist. Dazu muss in dieser etwa bei einem Öffnungswinkel von 90 Grad liegenden Position lediglich etwas Druck in Schließrichtung ausgeübt werden. Es ist so gut wie kein Kraftaufwand dafür erforderlich, und nach dem Überwinden dieser Zuschlagsicherung ist ein kontrolliertes Schließen von Deckel oder Rost sowie eine genaue Führung im Drehgelenk gewährleistet. Der Vorsprung am Drehzapfen und/oder die Erhöhung im Bodenbereich der Aussparung sind mindestens in Richtung der Scharnierachse ballig gestaltet oder besitzen zu den beiden Seiten hin abfallende Stirnflächen. Dadurch wird die nötige geringfügige horizontale Pendelbewegung in Richtung der Scharnierachse zum Überwinden der Zuschlagsicherung unterstützt.According to the innovation this has been solved with the features in protection claim 1. Advantageous developments can be found in the dependent claims.
The manhole cover according to the invention is characterized in that on the pivot of the hinge, in the region between its two guided ends and on the side opposite the cover or grate side, a parallel to the hinge axis extending, nose-like projection is formed. This ensures in the open, approximately vertical position of the lid or grate the same against unintentional slamming by engaging behind an associated, extending parallel to the hinge axis increase in the bottom region of the recess.
In this case, the two guided ends of the pivot on the cover or rust in each associated region of the recess on the frame so much game that the cover or rust when closing without lifting, only with slight horizontal oscillations in the direction of the hinge axis, on the increase in the bottom of the Recess is to move. For this purpose, only some pressure in the closing direction has to be exerted in this position, which is approximately at an opening angle of 90 degrees. Virtually no effort is required, and after overcoming this supplemental safeguard, a controlled closure of the lid or grate is ensured as well as accurate guidance in the hinge. The projection on the pivot pin and / or the elevation in the bottom region of the recess are crowned at least in the direction of the hinge axis or have end faces sloping towards the two sides. As a result, the necessary slight horizontal pendulum motion in the direction of the hinge axis to overcome the additional assurance is supported.

Der Bodenbereich der Aussparung bildet mitsamt der Erhöhung eine stetig zur Rahmeninnenseite hin abfallende Fläche, um Schmutz aus dem Scharnier in den Schacht abzuführen. Beim Öffnen von Deckel oder Rost wird durch die Bewegung des Vorsprungs am Drehzapfen das Scharnier gereinigt, weil dieser zur Innenkontur des Rahmens und zum Bodenbereich der Aussparung mitsamt der Erhöhung in Kontakt steht oder einen sehr geringen Abstand dazu aufweist. Daher bleibt der direkte Bewegungsbereich des Scharniers, also der Weg von der horizontalen Schließposition in die vertikale Öffnungsstellung, immer sauber.
Neuerungsgemäß wird somit eine Schachtabdeckung oder einen Aufsatz im Hinblick auf Wartungs- und Bedienungsfreundlichkeit optimiert. Es entsteht ein sicheres, dauerhaft funktionierendes Scharnier mit selbstreinigenden Eigenschaften sowie einer guten Zuschlagsicherung, welche ohne Kraftaufwand von nur einer Person gelöst werden kann.The bottom area of the recess, together with the elevation, forms a continuous surface sloping towards the inside of the frame in order to remove dirt from the hinge into the shaft. When opening the lid or grate, the hinge is cleaned by the movement of the projection on the pivot pin, because this is the inner contour of the frame and the bottom portion of the recess in contact with the increase or has a very small distance thereto. Therefore, the direct range of movement of the hinge, so the way from the horizontal closed position to the vertical open position, always clean.
According to the innovation, a manhole cover or attachment is thus optimized in terms of maintenance and ease of use. The result is a safe, permanently functioning hinge with self-cleaning properties and a good additional security, which can be solved without effort by only one person.

Die Zeichnung stellt ein Ausführungsbeispiel der Neuerung dar. Eine Schachtabdekkung zeigt:

Fig. 1:
Mit dem Scharnierbereich in der Seitenansicht bei geöffnetem Deckel,
Fig. 2:
in einem vertikalen Schnitt durch den Scharnierbereiches und
Fig. 3:
in der Draufsicht auf den Scharnierbereich im Rahmen ohne Deckel.
The drawing represents an embodiment of the innovation. A manhole cover shows:
Fig. 1:
With the hinge area in the side view with the lid open,
Fig. 2:
in a vertical section through the hinge area and
3:
in the plan view of the hinge area in the frame without cover.

Die Schachtabdeckung besteht aus einem Rahmen 1 und einem zugeordneten Deckel 2 mit einer ebenen Auflagefläche 3. In einer zugeordneten Aussparung 4 am Rahmen 1 wird ein am Deckel 2 angeformter Drehzapfen 5 mit seinen beiden Enden geführt. Im Bereich dazwischen, und an der dem Deckel 2 gegenüberliegenden Seite, ist am Drehzapfen 5 ein parallel zur Scharnierachse verlaufender, nasenartiger Vorsprung 6 angeformt. Er greift in der geöffneten, etwa vertikalen Position des Deckels 2 auf der zum Inneren der Schachtabdeckung zeigenden Seite hinter eine zugeordnete, parallel zur Scharnierachse verlaufende Erhöhung 7 im Bodenbereich der Aussparung 4 am Rahmen 1 und bildet dadurch eine Zuschlagsicherung.The manhole cover consists of a frame 1 and an associated cover 2 with a flat support surface 3. In an associated recess 4 on the frame 1 a formed on the lid 2 pivot 5 is guided with its two ends. In the area between, and on the opposite side of the cover 2, a parallel to the hinge axis extending, nose-like projection 6 is integrally formed on the pivot pin 5. He engages in the open, approximately vertical position of the lid 2 on the inside of the manhole cover facing side behind an associated, parallel to the hinge axis extending elevation 7 in the bottom region of the recess 4 on the frame 1 and thereby forms an additional safety.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Rahmenframe
22
Deckelcover
33
Auflageflächebearing surface
44
Aussparungrecess
55
Drehzapfenpivot
66
Vorsprunghead Start
77
Erhöhungincrease

Claims (5)

Schachtabdeckung oder Aufsatz, bestehend aus einem Rahmen und einem zugeordneten Deckel oder Rost mit einem in einer zugeordneten Aussparung am Rahmen geführten Drehzapfen am Deckel oder Rost für dessen schwenkbare Lagerung, wobei der Drehzapfen und die Aussparung nach Art eines zylindrischen Scharniers gestaltet sind, dadurch gekennzeichnet, dass am Drehzapfen (5), im Bereich zwischen dessen beiden geführten Enden und an der dem Deckel (2) oder Rost gegenüberliegenden Seite, ein parallel zur Scharnierachse verlaufender, nasenartiger Vorsprung (6) angeformt ist, welcher in der geöffneten, etwa vertikalen Position des Deckels (2) oder Rostes diesen gegen unbeabsichtigtes Zuschlagen sichert, indem dieser eine zugeordnete, parallel zur Scharnierachse verlaufende Erhöhung (7) im Bodenbereich der Aussparung (4) hintergreift.Manhole cover or attachment consisting of a frame and an associated lid or grate with a guided in an associated recess on the frame pivot on the lid or grate for the pivotal mounting, wherein the pivot and the recess are designed in the manner of a cylindrical hinge, characterized in that on the pivot pin (5), in the region between the two guided ends thereof and on the side opposite the cover (2) or grate, a nose-like projection (6) running parallel to the hinge axis is formed, which in the opened, approximately vertical position of the Cover (2) or grate secures this against unintentional slamming by this one behind the associated, parallel to the hinge axis increase (7) in the bottom region of the recess (4) engages behind. Schachtabdeckung nach Anspruch 1, dadurch gekennzeichnet, dass die beiden geführten Enden des Drehzapfens (5) am Deckel (2) oder Rost im jeweils zugeordneten Bereich der Aussparung (4) am Rahmen (1) so viel Spiel besitzen, dass der Deckel (2) oder Rost beim Schließen ohne Anheben, mit horizontalen Pendelbewegungen in Richtung der Scharnierachse, über die Erhöhung (7) im Bodenbereich der Aussparung (4) zu bewegen ist.Manhole cover according to claim 1, characterized in that the two guided ends of the pivot pin (5) on the cover (2) or grate in the respectively associated region of the recess (4) on the frame (1) have so much play that the cover (2) or rust when closing without lifting, with horizontal oscillations in the direction of the hinge axis, to move over the elevation (7) in the bottom area of the recess (4). Schachtabdeckung nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass der Vorsprung (6) am Drehzapfen (5) und/oder die Erhöhung (7) im Bodenbereich der Aussparung (4) mindestens in Richtung der Scharnierachse ballig gestaltet sind oder zu den beiden Seiten hin abfallende Stirnflächen besitzen.Manhole cover according to claims 1 and 2, characterized in that the projection (6) on the pivot (5) and / or the elevation (7) in the bottom region of the recess (4) are designed spherically at least in the direction of the hinge axis or to the two sides have sloping end surfaces. Schachtabdeckung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Bodenbereich der Aussparung (4) mitsamt der Erhöhung (7) eine stetig zur Rahmeninnenseite hin abfallende Fläche bildet.Manhole cover according to one of claims 1 to 3, characterized in that the bottom region of the recess (4) together with the elevation (7) forms a continuous sloping towards the frame inside surface. Schachtabdeckung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass im direkten Bewegungsbereich des Scharniers, von der horizontalen Schließposition in die vertikale Öffnungsstellung, der Vorsprung (6) am Drehzapfen (5) zur Innenkontur des Rahmens (1) und zum Bodenbereich der Aussparung (4) mitsamt der Erhöhung (7) in Kontakt steht oder einen sehr geringen Abstand aufweist.Manhole cover according to one of claims 1 to 4, characterized in that in the direct range of movement of the hinge, from the horizontal closed position to the vertical open position, the projection (6) on the pivot (5) to the inner contour of the frame (1) and the bottom portion of the recess (4) in contact with the elevation (7) or has a very small distance.
EP06010356A 2005-06-03 2006-05-19 Manhole cover or top part Active EP1728932B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06010356T PL1728932T3 (en) 2005-06-03 2006-05-19 Manhole cover or top part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200520008652 DE202005008652U1 (en) 2005-06-03 2005-06-03 Hinged manhole cover, has tongue on hinge pin for preventing cover closing accidentally

Publications (3)

Publication Number Publication Date
EP1728932A2 true EP1728932A2 (en) 2006-12-06
EP1728932A3 EP1728932A3 (en) 2009-07-01
EP1728932B1 EP1728932B1 (en) 2012-05-16

Family

ID=34877964

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06010356A Active EP1728932B1 (en) 2005-06-03 2006-05-19 Manhole cover or top part

Country Status (3)

Country Link
EP (1) EP1728932B1 (en)
DE (1) DE202005008652U1 (en)
PL (1) PL1728932T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2953867B1 (en) * 2009-12-11 2012-08-03 Norinco FRAME ASSEMBLY AND FRAME CLOSURE PAD, IN PARTICULAR FOR CHAIRING
DE202018102933U1 (en) 2018-05-25 2018-06-18 Lorenz Kunststofftechnik Gmbh manhole cover

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349752B1 (en) 1988-07-05 1993-03-03 Von Roll Ag Covering of a manhole by means of a lid or a grating
DE10046045C1 (en) 2000-09-18 2002-03-07 Buderus Guss Gmbh Shaft cover or grid attachment has rotary pivot pin fitting into opening provided by frame with cover preventing removal or fitting except in fully vertical position

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2645190B1 (en) * 1989-04-03 1991-06-28 Pont A Mousson HINGED LOOK
FR2815979B1 (en) * 2000-10-27 2003-01-03 Norinco BLINDING DEVICE HAVING A REMOVABLE ARTICULATED PANEL WITH SIMPLIFIED PLACEMENT
FR2889217B1 (en) * 2005-07-27 2009-03-06 Norinco Soc Par Actions Simpli DEVICE FOR JOINING A BUFFER OR COVER WITH A FRAME, IN PARTICULAR OF A PAVEMENT LOOK

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349752B1 (en) 1988-07-05 1993-03-03 Von Roll Ag Covering of a manhole by means of a lid or a grating
DE10046045C1 (en) 2000-09-18 2002-03-07 Buderus Guss Gmbh Shaft cover or grid attachment has rotary pivot pin fitting into opening provided by frame with cover preventing removal or fitting except in fully vertical position

Also Published As

Publication number Publication date
EP1728932A3 (en) 2009-07-01
PL1728932T3 (en) 2012-11-30
DE202005008652U1 (en) 2005-08-18
EP1728932B1 (en) 2012-05-16

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