EP2478158A2 - Fastener for street ironwork, assembly, street ironwork and corresponding method - Google Patents
Fastener for street ironwork, assembly, street ironwork and corresponding methodInfo
- Publication number
- EP2478158A2 EP2478158A2 EP10763805A EP10763805A EP2478158A2 EP 2478158 A2 EP2478158 A2 EP 2478158A2 EP 10763805 A EP10763805 A EP 10763805A EP 10763805 A EP10763805 A EP 10763805A EP 2478158 A2 EP2478158 A2 EP 2478158A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- fastener
- road device
- buffer
- pad
- retaining
- 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
Links
- 238000000034 method Methods 0.000 title claims description 7
- 239000000872 buffer Substances 0.000 claims description 52
- 230000010355 oscillation Effects 0.000 claims description 11
- 229910001018 Cast iron Inorganic materials 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 3
- 230000000881 depressing effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
-
- 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
- E02D29/1427—Locking devices
-
- 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
- E02D29/1454—Non-circular covers, e.g. hexagonal, elliptic
-
- 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
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Definitions
- the present invention relates to a fastening attachment for a road device comprising a fixing or blocking means.
- Fasteners of this type used to attach an accessory to a technical inspection chamber closing device of an underground cable network, such as an access hatch for telecommunication installations, or to a closure device, are known. chimney or inspection of an underground water system, such as a manhole or sidewalk.
- These road devices generally comprise a frame permanently sealed in the ground, in which are releasably inserted one or more buffers, arranged flush with the ground surface.
- the invention aims to provide a simple and economical attachment that facilitates the mounting of an accessory on a road device.
- the invention relates to a fastener as indicated above, comprising a retaining foot adapted to removably connect the fastener to a member of the road device through a receiving recess in the element of the road system by a complementarity of forms.
- the retaining leg comprises at least one attachment arm, preferably two arms, adapted to cooperate in complementary form with the element of the road device, preferably the attachment between the fastener and the device element of the device of road being of bayonet type.
- the attachment clip comprises a punch adapted to practice the receiving recess in the element of the road device, the punch is preferably formed by the retaining foot.
- the fastener is made in one piece.
- the fastener is substantially L-shaped having two wings, the retaining foot being fixed on one of the wings, the fastening means being disposed on the other of the wings.
- the fastener is made of metal, including cast iron.
- the invention also relates to an assembly formed of a road device element, in particular a frame or a buffer, and a fastening fastener, the fastening fastener is a fastening fastener such that defined above, and the assembly defines a retaining configuration in which the fastener is engaged and retained in the receiving recess and a release configuration in which the fastener is removable from the reception recess.
- the fastening clip is adapted to oscillate with respect to the element of the road device between two stop positions.
- the fastening clip comprises a fastening base secured to the retaining foot and extending substantially perpendicular to the retaining foot, the base having two opposite stops each adapted to come into contact with the element of the road device in one of the stop positions.
- the fastener has a freedom of oscillation between the two stop positions substantially between 5 ° and 15 °.
- the fastening clip is attached to the element of the road device without the possibility of oscillation.
- the element of the road device comprises a removable covering portion, covering the receiving recess, and fixed by at least one frangible portion to the element of the road device.
- the fastener is a fastener as defined above, and the punch comprises a striking surface whose shape is substantially identical to the shape of the covering portion.
- the covering portion and the frangible portion are manufactured in one piece with the element of the road device.
- the attachment or locking means is a retaining nose adapted to abut against another element of the road device, including a frame.
- the assembly comprises stop means adapted to prevent movement of the fastening clip out of its retaining configuration.
- the stop means comprise a pin.
- the invention further relates to a road device, in particular an access window, comprising a frame delimiting an access opening, characterized in that it comprises an assembly as defined above, the element of the road device being a buffer adapted to cover the access opening.
- the road device according to the invention may comprise one or more of the following characteristics:
- a thrust element in particular a jack for lifting the buffer, the thrust element being adapted to be fixed by one of its ends to the frame, the fastening clip being connected to the buffer by means of the recess and the pushing element being fixed by its other end to the fixing means.
- the buffer defines a detent position relative to the frame in which the push member is in a relaxed configuration, in particular the detent position is located between a 90 ° open position and a maximum open position of the buffer compared to the frame.
- the invention also relates to a method of attaching an accessory to a road device by means of a fastener or by means of an assembly, comprising the following steps:
- FIG. 1 is a plan view of the outer side of an access view according to the invention.
- FIG. 1 is a perspective view of the inner side of the access view of Figure 1;
- FIG. 3 is a side view of the fastener fixing the access view of Figure 1;
- FIG. 4 is a perspective view from below of the fastening clip of the
- FIG. 5 is a perspective view of the outside of the access view of Figure 1 illustrating a first step of the establishment of the fastener attachment to a buffer
- FIGS. 6, 7 and 8 are perspective views on the inside of a portion of the access view of FIG. 1 illustrating respectively a second, a third and a fourth stage of the positioning of the fastener of fixation on the stamp;
- FIG. 9 is a perspective view of the outer side of a portion of the access view of Figure 1 provided with a jack;
- FIG. 10 is a sectional view of the access view of Figure 1, the buffer being partially raised;
- Figure 1 1 is a view identical to that of Figure 10, the buffer being in a 90 ° open position;
- FIG. 13 to 16 show in perspective a second embodiment of an assembly according to the invention, formed of a buffer and a fastener in different mounting stages;
- Figure 17 shows the fastener of Figures 13 to 16 on a larger scale
- FIG. 18 is a perspective view of the inner side of an access door provided with a fastener according to Figures 13 to 17, the clip blocking the lifting of the buffer relative to the frame.
- Figures 1 and 2 show an access view according to the invention, which is designated by the general reference 10 and which is for example a view of access to an underground technical chamber containing telecommunications equipment.
- the access point 10 comprises a frame 12 and two buffers 14.
- the frame 12 is sealed in the ground and defines an access opening 16 (Figure 10), for example to an underground chamber comprising telecommunication cables.
- the access opening 16 is in the form of a square.
- the view 10 defines a P-P viewing plane that extends substantially parallel to the ground during installation.
- the eye 10 defines an outer side E and an inner side I.
- the eye 10 also defines a central axis XX extending perpendicularly to the viewing plane PP
- peripheral designates the direction moving radially away. of axis XX and "central” means the direction approaching the axis XX.
- the view 10 comprises for each buffer 14 a hinge (not visible) adapted to tilt the concerned buffer around a hinge axis YY between closed positions (Figure 1), intermediate ( Figure 10), opening at 90 ° (Figure 1 1) and maximum opening (Figure 12).
- the frame 12 has a frame wall 18 extending substantially perpendicularly to the viewing plane PP.
- the frame 12 comprises a frame base 20 extending parallel to the viewing plane PP, and protruding radially inwards and outwards from the frame wall 18.
- This frame base 20 is intended to be embedded in a sealing material, such as mortar.
- Each pad 14 comprises a substantially triangular-shaped generic base body 22, which covers about half of the area of the access opening 16 and which extends along a buffer plane TT, which is parallel to the plane of Figure 1.
- the buffer plane TT In the closed position, the buffer plane TT extends parallel to the viewing plane PP. In the intermediate position, the buffer plane TT extends obliquely with respect to the viewing plane PP, for example at an angle of between 30 ° and 75 °. In the open position at 90 °, the buffer plane TT extends at 90 ° with respect to the viewing plane PP. In the maximum open position, the buffer plane TT extends at an angle greater than 90 ° with respect to the closed position, for example at an angle between 100 0 and 1 10 °.
- the base body 22 is identical for each pad 14. Therefore, only one base body 22 will be described later.
- the base body 22 is made in one piece by molding, preferably cast iron.
- the base body 22 includes an inner surface 24, visible in Figure 2, and an outer surface 26 (Figure 10).
- the two inner 24 and outer 26 surfaces are parallel to the T-T buffer plane.
- the inner surface 24 corresponds to an inner side of the pad 14 while the outer surface 26 corresponds to an outer side of the pad 14.
- the base body 22 is provided with stiffening ribs 28 on its inner surface 24.
- the base body 22 includes a maneuvering area 30 adapted to receive a maneuvering tool (not shown) for manipulating the pad 14 during its lifting by pivoting about the hinge axis YY.
- This zone 30 is also adapted to lock the buffer 14 relative to the frame or to secure the buffer 14 relative to the adjacent buffer.
- the base body 22 comprises a securing zone 32 adapted to secure the buffer 14 with respect to the frame 12.
- the base body 22 is provided with a receiving zone 34 adapted to receive a fastening clip 36 of an accessory 38 on the pad 14 as will be explained in more detail later.
- the receiving zone 34 is formed by a substantially oblong receiving recess 40 formed in the base body 22 and passing through the base body 22.
- the receiving recess 40 is a through aperture.
- the receiving recesses 40 are not necessarily created.
- each location provided for the receiving recesses 40 is covered by a removable covering portion 42, of substantially identical shape to that of the recess. 40, which is fixed by at least one frangible portion 44 to the base body 22.
- the covering portion 42 and the frangible portion 44 are made in one piece with the base body 22.
- the covering portion 42 is connected to the base body 22 by three frangible portions 44 formed by material bridges.
- the overlapping portions 42 make it possible to limit the penetration, by the receiving recesses 40, of rainwater or various detritus inside the manhole 10.
- the access door 10 comprises, for each buffer 14, a jack 38 for lifting the buffer 14 and a fastening clip 36 of the jack 38 on the pad 14.
- the access door 10 illustrated in the figures therefore comprises two jacks 38 ( Figure 2).
- Each jack 38 is fixed at one of its ends 46 to the frame wall 18 and at its other end 48 to the corresponding fastener 36, and this by means of fasteners 50.
- the fastener 50 is for example a pin.
- the end 46 is fixed to the frame wall 18 by means of a hinge about a hinge axis AA, while the end 48 is fixed to the hinge 36 by means of a hinge around a hinge axis BB.
- the hinge axis A-A is parallel to the plane of view P-P.
- hinge pins A-A and B-B are parallel to each other, and to the hinge axis Y-Y.
- each fastener 36 is substantially L-shaped having two wings, including a short wing 52 and a long wing 54.
- the fixing clip 36 comprises a fixing or blocking means 56 formed here by a fixing orifice 57 formed in the long wing 54, near a free end 58 of the long wing.
- the fixing orifice 57 is adapted to receive one of the fasteners 50 for fastening the jack 38 to the pad 14.
- the fastener 36 is provided with a retaining foot 60 adapted to releasably connect the fastener 36 to the pad 14 through the receiving recess 40 by a complementary fit of shapes.
- the retaining foot 60 extends along a foot axis C-C.
- the retaining foot 60 has a cylindrical base 61 of axis C-C.
- the retaining foot 60 is fixed on the short wing 52 and comprises at least one attachment arm 62 adapted to cooperate in complementary form with the buffer 14.
- the retaining foot 60 comprises two arms 62 each extending substantially perpendicular to the base 61 of the retaining foot 60, and in the extension of one another to form a single piece 64.
- the two arms 62 are arranged on the end of the base 61 opposite to the short wing 52.
- the piece 64 has a shape substantially identical to that of the receiving recess 40 and the attachment between the fastener 36 and the pad 14 is of the bayonet type.
- the fastener 36 and the pad 14 can thus adopt a retaining configuration, in which the fastener 36 is engaged in the receiving recess 40 and retained therein by the retaining foot 60, and a release configuration, wherein the retaining foot 60 of the fastener 36 is removable from the accommodating recess 40 or insertable therein.
- the attachment arms 62 are angularly offset relative to the receiving recess 40 about the foot axis C-C and overlap the base body 22.
- the attachment arms 62 are aligned with the receiving recess 40.
- the retaining foot 60 is insertable into the receiving recess 40 and removable therefrom by a displacement along the axis of foot CC.
- the fastener 36 comprises a punch 65 adapted to practice the receiving recess 40 in the base body 22 of the buffer 14.
- the punch has a striking surface 67 whose shape is substantially identical to the shape of the covering portion 42.
- the punch 65 is formed by the retaining foot 60, the striking surface 67 being formed by the outer surface 66 of the workpiece 64.
- the fastener 36 is adapted to oscillate with respect to the pad 14 between two stop positions.
- the fastening clip 36 comprises an attachment base 68 integral with the retaining foot 60 and extending substantially perpendicular to the retaining foot 60.
- the attachment base 68 is of elongated shape and disposed between the short wing 52 and the retaining foot 60.
- the attachment base 68 has two stops 70 opposite and each adapted to come into contact with the buffer 14 in one of the abutment positions.
- the fastener 36 has a freedom of oscillation substantially between 5 ° and 15 °. Freedom of oscillation is freedom around an axis of oscillation extending parallel to the Y-Y hinge axis.
- the fastener 36 is made in one piece and made of metal, including cast iron.
- a first step in this process consists in practicing the reception recess
- the attachment clip 36 is placed on the pad 14 by superimposing the striking surface 67 of the punch 65 with the covering portion 42 ( Figure 5).
- the striking surface 67 is advantageously placed on the outer side of the covering portion 42.
- the user strikes the short flange 52 of the fastener 36 so as to break the frangible portions 44 and thus release the receiving recesses 40.
- the arms 62 are aligned with the recess 40 and the retaining foot 60 is inserted into the receiving recess 40, on the inside of the pad 14. This insertion is carried out along the foot axis CC and perpendicular to the buffer plane TT.
- the arms 62 are on the outside of the pad 14.
- the buffer 14 and the fastener 36 are then in the release configuration.
- the short wing 52 extends parallel to the hinge axis
- the fastener 36 is rotated in the direction of the arrow F (counter-clockwise in Fig. 7) around the foot axis CC until The short wing 52 of the fastener 36 is directed towards the associated hinge axis YY and extends perpendicularly to this hinge axis (FIG. 8). In this position, the fastener 36 and the pad 14 are in their retaining configuration.
- the cylinder 38 is thus fixed to the pad 14 (FIG. 9) and then prevents the clip 36 from pivoting about the axis C-C in the direction tending to bring the clip 36 into the release configuration.
- the fastener 36 is in one or other of its abutment positions, as a function of the stroke of the jack 38.
- the cylinder 38 pushes the fastener 36 into one of the abutment positions. Beyond 90 °, the cylinder 38 no longer pushes, but thanks to its freedom of oscillation the fastener 36 switches to the other stop position, thus allowing the pad 14 to reach the maximum open position. Between the open position at 90 ° and the maximum open position of the buffer, the cylinder 38 is therefore in a relaxed configuration.
- the invention therefore proposes a simple and economical fastener to be made, which facilitates the fixing of an accessory on a road device.
- the freedom of oscillation of the fastener 36 allows an easy, fast, effortless and non-dangerous mounting of the jack.
- this freedom of oscillation also makes it possible to limit the stresses exerted on the jack 38, particularly at the end of the stroke, which increases the reliability and the service life of the jack 38.
- the choice left to the user to mount or not the cylinder not only allows the manufacturer to produce standard pads but also to package, store and transport more easily by stacking.
- the cylinder 38 when connected to the fastener 36 and the frame, opposes rotation of the fastener from its retaining configuration to its release configuration. The jack is therefore a means for stopping the rotation of the fastener 36.
- the invention also applies to the connection of other fasteners to an element of a road device.
- the fastener is a securing fastener having a locking nose.
- This variant is shown in FIGS. 13 to 18. The differences with respect to FIGS. 1 to 12 are described below.
- Figures 13 to 16 show various stages of the establishment of a fastener 36 on a buffer 14, by complementarity of the shape of the attachment of the fastening foot with the receiving recess in the buffer 14.
- the clip 36 is further adapted to block the lifting of the pad 14 relative to a frame ( Figure 18).
- the fastener 36 has a locking nose 80 as fastening means 56 to the frame.
- the locking nose 80 is adapted to abut against the frame when attempting to lift the pad.
- the fastening clip 36 is fixed to the pad, and this without freedom of tilting with respect to the pad 14.
- the assembly also comprises stop means adapted to oppose the rotation of the fastener 36 out of its retaining configuration.
- the stop means comprise at least one lug 90 fixed to the buffer, a projection 92 fixed to the fastener 36 and provided with a groove for receiving a pin 94 (see Figure 16). In the off position, the pin 94 is disposed between the lug 90 and the projection 92 and extends along a pin axis which is parallel to the locking nose 80.
- the fastener 36 comprises a passage recess 96 adapted to allow the passage of the lug 90 fixed to the buffer during the rotation of the fastener 36 from its release position in its retaining position.
- the fastener can be a fastener adapted to secure an anti-vandal blocking bar.
- the cylinder can also be replaced by another thrust element, such as a spring for example.
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)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Sewage (AREA)
- Ladders (AREA)
- Buckles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0956358A FR2950085B1 (en) | 2009-09-16 | 2009-09-16 | FASTENING ATTACHMENT FOR ROAD DEVICE, ASSEMBLY, ROAD DEVICE AND CORRESPONDING METHOD |
PCT/FR2010/051834 WO2011033205A2 (en) | 2009-09-16 | 2010-09-03 | Fastener for street ironwork, assembly, street ironwork and corresponding method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2478158A2 true EP2478158A2 (en) | 2012-07-25 |
EP2478158B1 EP2478158B1 (en) | 2015-10-21 |
Family
ID=42102863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10763805.8A Active EP2478158B1 (en) | 2009-09-16 | 2010-09-03 | Roadworks device with fastener and corresponding method |
Country Status (7)
Country | Link |
---|---|
US (1) | US8591138B2 (en) |
EP (1) | EP2478158B1 (en) |
CN (1) | CN102630264B (en) |
ES (1) | ES2556347T3 (en) |
FR (1) | FR2950085B1 (en) |
RU (1) | RU2545215C2 (en) |
WO (1) | WO2011033205A2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2940986B1 (en) * | 2009-01-15 | 2011-01-07 | Saint Gobain Pont A Mousson | JOINT ASSEMBLY AND CORRESPONDING ROAD DEVICE |
FR3011257B1 (en) | 2013-09-30 | 2015-11-06 | Saint Gobain Pont A Mousson | BUFFER ASSEMBLY, CORRECTION DEVICE AND USE THEREOF |
GB2526068B (en) * | 2014-05-02 | 2020-12-02 | The Haigh Eng Company Ltd | Macerator lid assembly |
FR3026385B1 (en) * | 2014-09-29 | 2018-05-18 | Airbus Operations | AIRCRAFT COMPRISING A TRAPPER AND A FALL ARREST |
US10974940B1 (en) | 2019-10-31 | 2021-04-13 | Anthony Siegenthaler | Manhole adjustment ring removal assembly and method |
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US3920347A (en) * | 1973-10-29 | 1975-11-18 | Roby Ind Inc | Manhole cover |
US3921494A (en) * | 1974-08-19 | 1975-11-25 | Loc Coe | Manhole cover lock |
US4080984A (en) * | 1976-07-19 | 1978-03-28 | Robert Klein | Sump and sump pump cover |
ATE4063T1 (en) * | 1980-04-25 | 1983-07-15 | Robert Dumortier | ANCHORING MEANS FOR CLOSING A MANHOLE COVER. |
DE3711338A1 (en) * | 1987-04-03 | 1988-10-13 | Buderus Bau & Abwassertechnik | Manhole cover |
DE29500086U1 (en) * | 1995-01-04 | 1995-03-09 | Passavant Werke | Hinged manhole cover with opening aid |
CN2216082Y (en) * | 1995-01-05 | 1995-12-27 | 张廷献 | Structurally improved manhole cover |
CN2214445Y (en) * | 1995-05-10 | 1995-12-06 | 赵力 | Rod mobile ball type anti-theft drain cover |
CN2231276Y (en) * | 1995-09-29 | 1996-07-17 | 张佳平 | Anti-theft device for drainage well cover on road |
US5950368A (en) * | 1997-03-17 | 1999-09-14 | Dabico, Inc. | Waterproof pit cover |
JP3430249B2 (en) * | 1998-02-10 | 2003-07-28 | 株式会社ヨドキャスチング | Locking device for manhole cover |
FR2780996B1 (en) * | 1998-07-10 | 2000-08-11 | Norinco | DEVICE FOR LOCKING AND UNLOCKING WITH A KEY OF A BUFFER ON A FRAME |
US6550294B2 (en) * | 2001-04-12 | 2003-04-22 | Albert Garguilo | Manhole security device |
WO2004016889A1 (en) * | 2002-08-15 | 2004-02-26 | Carl Meyer | Locking mechanism |
US20040244444A1 (en) * | 2003-06-06 | 2004-12-09 | John Wadsworth | Portable conduit locking security system |
US6951318B1 (en) | 2003-07-02 | 2005-10-04 | Dabico, Inc. | Multi-position aircraft servicing pit lid latch |
RU43890U1 (en) * | 2004-08-10 | 2005-02-10 | Закрытое акционерное общество "МОЛОТ" | Hatch Sewer |
CN2732838Y (en) * | 2004-09-24 | 2005-10-12 | 广州市宇恒实业发展有限公司 | Manhole cover |
RU2278215C1 (en) * | 2005-03-09 | 2006-06-20 | Дмитрий Гомерович Константиниди | Access chamber hatch |
RU2283922C1 (en) * | 2005-06-20 | 2006-09-20 | Андрей Эдуардович Демидов | Floating manhole hatch |
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FR2940986B1 (en) * | 2009-01-15 | 2011-01-07 | Saint Gobain Pont A Mousson | JOINT ASSEMBLY AND CORRESPONDING ROAD DEVICE |
FR2941471B1 (en) * | 2009-01-27 | 2013-06-07 | Saint Gobain Pont A Mousson | BUFFER FOR ROAD DEVICE AND CORRESPONDING ROAD DEVICE |
-
2009
- 2009-09-16 FR FR0956358A patent/FR2950085B1/en active Active
-
2010
- 2010-09-03 WO PCT/FR2010/051834 patent/WO2011033205A2/en active Application Filing
- 2010-09-03 US US13/496,205 patent/US8591138B2/en active Active
- 2010-09-03 RU RU2012114780/03A patent/RU2545215C2/en active
- 2010-09-03 ES ES10763805.8T patent/ES2556347T3/en active Active
- 2010-09-03 EP EP10763805.8A patent/EP2478158B1/en active Active
- 2010-09-03 CN CN201080051724.9A patent/CN102630264B/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2011033205A2 * |
Also Published As
Publication number | Publication date |
---|---|
FR2950085B1 (en) | 2011-12-16 |
FR2950085A1 (en) | 2011-03-18 |
US20120213581A1 (en) | 2012-08-23 |
EP2478158B1 (en) | 2015-10-21 |
US8591138B2 (en) | 2013-11-26 |
ES2556347T3 (en) | 2016-01-15 |
RU2012114780A (en) | 2013-10-27 |
WO2011033205A2 (en) | 2011-03-24 |
RU2545215C2 (en) | 2015-03-27 |
CN102630264B (en) | 2014-11-12 |
WO2011033205A3 (en) | 2011-05-12 |
CN102630264A (en) | 2012-08-08 |
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