EP3378995A1 - Schachtabdeckung, die mit einem schloss versehen ist - Google Patents

Schachtabdeckung, die mit einem schloss versehen ist Download PDF

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Publication number
EP3378995A1
EP3378995A1 EP18162479.2A EP18162479A EP3378995A1 EP 3378995 A1 EP3378995 A1 EP 3378995A1 EP 18162479 A EP18162479 A EP 18162479A EP 3378995 A1 EP3378995 A1 EP 3378995A1
Authority
EP
European Patent Office
Prior art keywords
handle
grid
lock
buffer
latch
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
EP18162479.2A
Other languages
English (en)
French (fr)
Other versions
EP3378995B1 (de
Inventor
Alex Jean-Marie BLIEUX
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.)
EJ Emea SAS
Original Assignee
EJ Emea SAS
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 EJ Emea SAS filed Critical EJ Emea SAS
Priority to SI201830532T priority Critical patent/SI3378995T1/sl
Priority to PL18162479T priority patent/PL3378995T3/pl
Priority to RS20220062A priority patent/RS62843B1/sr
Publication of EP3378995A1 publication Critical patent/EP3378995A1/de
Application granted granted Critical
Publication of EP3378995B1 publication Critical patent/EP3378995B1/de
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
    • E02D29/1427—Locking devices

Definitions

  • the present invention generally relates to a manhole, that is to say a means for inspecting or accessing underground infrastructure.
  • a manhole that is to say a means for inspecting or accessing underground infrastructure.
  • Such a look includes a fixed frame embedded in the roadway, a buffer or cover (or a grid) connected to the frame by a hinge allowing the buffer to pivot between a closed position of the opening of the frame and an unobstructed position of this opening to allow a speaker to access the floor.
  • a lock may be associated with the pad opposite its articulation to the frame and allows the locking of the buffer to its folded position on the frame and the unlocking of the pad to bring it to its release position of the opening of the frame.
  • the lock may be in the form of an angle lever pivotally mounted on the pad and one of the arms cooperates with a latch member of a wall of the frame to perform the locking of the buffer on the frame and the Another arm forms a latch handle to move the latch arm to its unlocked position and lift the pad to its upright position from the opening of the frame.
  • the plaintiff has found that if the locking device of the buffer on the frame is entirely satisfactory, it is however not immune to an act of malicious intent. Indeed, the arm forming the operating handle of the lock is easily accessible from the outside of the buffer occupying its locked position on the frame so that any malicious person can easily bring the lock to its position of unlocking the frame buffer.
  • the buffer comprising a through hole in which can be mounted a pivot axis controlled by a key and carrying under the buffer a bolt that can occupy under the action of the key a locking position of the arm of the latch in its locking position of the buffer to the frame or an unlocking position of the locking arm allowing the maneuvering of the other arm of the latch to bring the locking arm to its position of unlocking the frame buffer.
  • the look disclosed in this document has improved security by the use of a key lock, but has the disadvantage that the port and the key pivot axis occupy a position between the lock and a central area of the pad. . This limits the area available for marking the stamp. In the case of a grid, this limits the open area of the grid, or where appropriate also the marking surface provided on the grid.
  • some applications may require the use of a look whose buffer (or grid) is secured by a key lock, while a keyless lock buffer is sufficient for other applications.
  • the buffer marking area is reduced whether or not the latter is equipped with a key lock.
  • such a differentiation does not allow to choose to equip or not the look of a key lock during installation.
  • the invention aims to solve at least one of the aforementioned drawbacks.
  • the invention relates to a manhole comprising a fixed frame, a buffer or a grid connected to the frame by a hinge allowing the pad or the gate to pivot between a closed position of the opening of the frame and an unobstructed position of this opening and a latch associated with the pad or grid opposite the hinge.
  • the latch comprises a handle movable with respect to said pad or said grid, between a locked position in which it immobilizes the pad or the grid vis-à-vis the frame in its closed position of the opening, and an unlocked position in which it allows the pivoting of the pad or the grid towards its position released from the opening.
  • the handle is shaped for fixing a key lock for locking the lock handle to its locked position or the unlocking the handle allowing the operation of the lock handle to bring it to its unlocked position.
  • the stamp surface remains widely available for marking, whether or not the look is equipped with a key lock.
  • the lock may for example be in the form of an angle lever pivotally mounted on the pad or the grid and one of the arms cooperates with a keeper member of the wall of the frame to perform the locking of the buffer or the grid to the frame and the other arm forms the operating handle of the latch and lifting of the buffer or grid in the unlocked position of said buffer or grid.
  • the handle has a through hole as a conformation for securing a key lock.
  • the orifice through the handle can be closed by a frangible cap that can be removed by a tool to release the hole and allow the mounting of the key lock.
  • the lock can be cast iron. It can be obtained by molding.
  • the lock can be molded without insert or core.
  • the invention also relates to an assembly comprising a manhole as previously defined and a key lock having a pivot axis controlled by a key and carrying under the handle a bolt that can occupy under the action of the key a position of locking the lock handle to its locked position or a release position of the handle allowing the operation of the lock handle to bring it to its unlocked position.
  • the bolt in the locking position mechanically interferes with a bearing surface formed under the pad so as to immobilize the handle with respect to the pad or the pad. wire rack.
  • the bearing surface may be formed by a latch receiving housing formed integrally with the pad or the grid in said buffer or in said grid and in a lower face of said buffer or said grid.
  • an assembly may comprise an indexing means holding in stable position the key lock is in the locking position of the handle, or in the unlocking position of the handle.
  • FIG. 1 To the figure 1 is shown a manhole according to one embodiment of the invention.
  • the manhole 1 is intended to be embedded in a roadway and comprises a frame 2 which, in the exemplary embodiment shown, has a general octagonal outer shape.
  • the manhole 1 further comprises a buffer 3 connected to the frame 2 by a hinge 4.
  • the buffer 3 corresponds to a cover making it possible to seal or make apparent an opening 5 of the frame 2.
  • a grid may be used to cover the opening 5 while allowing for example the passage of water in said opening 5.
  • the pad 3 can pivot between a closed position of the opening 5 of the frame 2 in which said pad 3 is folded, horizontally, on said opening 5, and a position released from this opening 5.
  • the buffer 3 in its unobstructed position can form an angle of about 110 ° vis-à-vis the frame, the 90 ° opening position for disassembly of the hinge 4 and the extraction of the buffer 3 of the frame 2.
  • the buffer is shown in an open position, intermediate between the closed position of the opening 5 of the frame 2 and the unobstructed position of this opening 5.
  • the hinge 4 may be of the type comprising an axis 41 integral with the buffer 3 that can tilt in a space 42 arranged in an outer lug 22 of the frame 2.
  • axis 41 integral with the buffer 3 that can tilt in a space 42 arranged in an outer lug 22 of the frame 2.
  • other types of joints of the buffer 3 to the frame 2 may be envisaged without departing from the invention.
  • the pad 3 is generally circular in shape to engage in the corresponding circular opening 5 of the frame 2 in order to close this opening 5.
  • the pad 3 is provided with centering tabs 6 making it possible to achieve a good guiding and centering of the buffer 3 in the circular opening 5 of the frame 2.
  • the buffer 3 In the closed position of the opening 5 of the frame 2, the buffer 3 bears against an internal peripheral rib 21 of the frame 2 by the intermediate of an elastic support integral with the rib 21.
  • the manhole 1 is also provided with a latch 7 associated with the buffer 3 opposite the hinge 4.
  • the latch 7 is diametrically opposed to the hinge 4.
  • the bent lever comprises a first arm 71 having at its end a first transverse bar 72 shaped to cooperate with a keeper member 23 and protruding from a wall of the frame 2 in the opening 5 of the latter, to effect the locking of the buffer 3 on the frame 2.
  • the first transverse bar 72 protrudes on either side of the first arm 71 and has an upper face 73 which can be arranged with little play under the latch member 23 to lock the buffer 3 on the frame 2.
  • the bent lever comprises a second arm forming a handle 74 for operating the latch 7.
  • the handle 74 also allows the pad 3 to be lifted when it is unlocked from the frame 2.
  • the handle 74 may have an end that facilitates actuation (ie tilting or pivoting) and gripping.
  • the second handle arm 74 may comprise a second transverse bar 75.
  • the latch 7 in the form of a bent lever comprises a pivot axis 76 extending transversely to the two arms of the latch.
  • the pivot axis 76 is formed by the bend between said two arms and two substantially cylindrical transverse lugs and protruding on either side of the elbow of the lock 7.
  • the latch 7 is inserted and retained in a housing 31 formed in and under the buffer 3.
  • the handle 74 comprises a means 8 configured to allow the attachment of a key lock.
  • This means 8 may be a support shaped to allow rigid attachment of a key lock adapted.
  • the means 8 shaped for fixing a key lock has an orifice 81 passing through the handle covered with a frangible cover 82.
  • the frangible cover 82 can be detached by means of a suitable tool introduced at the orifice 81. When the frangible cover is disengaged, the port 81 is released and allows the installation of a key lock through the handle 74.
  • the frangible seal 82 can be made detachable from the rest of the handle 74 by connections of small thickness between said seal and the walls of the orifice 81 of the handle 74.
  • the links of small thicknesses break under the effect of the impact of a suitable tool that can be a small chisel introduced into the orifice 81 resting on the frangible cap 82, and on which is exerted a violent force, for example by a hammer, so that the shock completely disengages the cap 82 of the handle 74.
  • a suitable tool that can be a small chisel introduced into the orifice 81 resting on the frangible cap 82, and on which is exerted a violent force, for example by a hammer, so that the shock completely disengages the cap 82 of the handle 74.
  • the frangible lid can be obtained in one piece with the handle 74, for example during the molding preferably without core or insert of the latch 7 having the handle 74.
  • the latch 7 comprising the handle 74 may in particular be cast iron.
  • a key lock 9 can be mounted through the orifice 81.
  • FIG. 5 illustrates a lock 7 whose handle 74 is equipped with a key lock 9.
  • the key lock 9 adapted to be mounted in the orifice 81 shown here comprises a pivot axis 91 controlled by a key, not shown.
  • the shaft 91 carries, towards its projecting end under the handle 74 of the latch 7, a bolt 92.
  • the bolt 92 can occupy a locking position of the handle 74 of the latch 7, shown in FIG. figure 6 .
  • the bolt can occupy, after rotation about 90 ° of the axis 91, a release position of the handle 74 of the latch 7, shown in FIG. figure 7 .
  • the unlocking position of the handle 74 authorizes its operation, that is to say its rotation vis-à-vis the buffer 3 and corollary the tilting of the latch 7 about its pivot axis 76.
  • the unlocking position of the handle 74 thus makes it possible to bring the latch 7 in a tilted position shown in FIG. figure 8 , for which the buffer is unlocked, which allows to open to the open position of the opening 5 of the frame 2.
  • the bolt 92 may be in the form of an elongated rigid plate.
  • the bolt 92 is shaped to interfere mechanically with a bearing surface 35 formed under the pad 3 so that the operation of the handle 74 and the tilting of the latch 7 are prevented, when said bolt is in a locking position of the handle which is illustrated in the figure 6 .
  • the bolt 92 is integral with the axis 91.
  • the bolt extends orthogonally with respect to the axis 91. By rotation of the axis 91, the bolt 92 can be brought into the unlocking position of the handle 74. , illustrated in figure 7 . In the unlocking position of the handle 74, the bolt 92 no longer interferes with the bearing surface 35, which frees the operation of the handle 74 and the latch 7.
  • the axis 91 may be constituted by a generally cylindrical body.
  • the bolt can be made to rotate relative to the axis 91 by providing a flat on the axis 91, and piercing the bolt of a correspondingly shaped orifice.
  • the bolt is immobilized on the axis 91 by means of a nut 93.
  • the other end of the axis 91 is located above the handle 74, that is to say at its surface exposed to the upper surface 32 of the buffer 3. At this end, the axis 91 is with a head 94.
  • the head 94 is resting on the surface of the handle 74, for example in a circular impression 83 formed on the handle 74. Washers may be interposed between the head 94 and the handle 74, facilitating the rotation of the head 94 and thus of the axis 91, and avoiding the wear of the handle 74.
  • the head 94 has a shape adapted to be rotated by a key of corresponding shape.
  • the head 94 may have an outer shape that is not of revolution (cylinder truncated by a longitudinal flat, square, triangle, hexagon, etc.) or have an imprint for rotating the head 94 (hexagonal, square, triangular, cruciform, etc.).
  • a helical spring 95 is mounted on the shaft 91 and interposed between the bolt 92 and the handle 74.
  • the spring bears, at the level of the handle, on a washer 96.
  • the coil spring 95 can have several functions. The spring can hold the key lock in the correct axial position in the orifice 81 of the handle 74. In particular, the head 94 is kept pressed into the circular imprint 83, against the surface of the handle 74.
  • the coil spring can also operate an indexing means holding in stable position the key lock is in the locking position of the handle, or in the unlocking position of the handle.
  • the locking position of the handle corresponds to a certain orientation of the bolt 92
  • the unlocking position of the handle corresponds to an orientation of the bolt 92 substantially orthogonal to the orientation in the locked position.
  • the handle is provided, at its lower face (opposite to the bearing face of the head 94) of a boss 77 traversed by the orifice 81.
  • the boss 77 has a cruciform impression 78, that is to say a hollow pattern formed on said boss 77.
  • the boss can be advantageously formed in one piece with the latch 7, or be fixed therein.
  • the washer 96 has, on its face maintained in contact with the boss under the effect of the helical spring 95, a protrusion adapted to engage in the cruciform impression 78.
  • the protrusion can be in the form of a simple pawn, but to ensure a better balance to the washer 95 the protrusion can be in the form of two diametrically opposed pins, or four pions arranged in a cross .
  • the protrusion may be obtained by folding the washer 95.
  • the protrusion may be formed by a cross formed on the washer 95, and corresponding to the cruciform impression 78, pierced at its center by a hole allowing the passage of the 91.
  • the hole of the washer 96 may have a flat corresponding to a flat portion of the axis 91 in order to immobilize the washer 96 in rotation with respect to the axis 91.
  • the protrusion of the washer 96 is engaged in at least a first branch of the cruciform pattern when the key lock is in the locking position of the handle and is engaged in a second branch of the cruciform pattern substantially orthogonal to the first branch when the key lock is in the release position of the handle.
  • said protrusion is engaged simultaneously in the four branches of the cruciform impression 78, an element of the protrusion (for example a branch of the cross) passing from the first branch of the footprint cruciform to the second leg of the cruciform recess between the locking position of the keyed handle and the unlocking position of the handle.
  • the portion of the protuberance engaged in a first branch in the locking position of the handle is engaged in a second branch in the unlocking position of the handle.
  • an operator introduces the head portion 94 of the axis 91 in the conjugate fingerprint of the locking key and maneuver (not shown), and turns said key in a direction for pivoting simultaneously the axis 91 and the bolt 92 of a limited angle of rotation, for example 90 ° in the exemplary embodiment shown here, so that the bolt 92 no longer interferes mechanically with an integral element of the buffer 3.
  • the operator can then grasp the second bar 75 of the handle 74 to rotate the latch 7 so as to make him take the position shown in FIG. figure 8 and disengage the first bar 72 from below the keeper member 23.
  • the operator can tilt the pad 3 from its closed position to close the opening 5 of the frame 2 to its open position released from the opening 5 of the frame 2.
  • the pad 3 When it is desired to close the frame 2 again by the pad 3, the pad 3 is tilted around the hinge 4 so as to extend horizontally above its opening 5, and the handle 74 is brought back into position. horizontal position inside the housing 31, which switches the latch 7 in the locked position of Figures 7 and 8 wherein the first bar 72 cooperates with the keeper member 23 to immobilize the pad.
  • the look whose handle is predisposed to the installation of a key lock suitable for example may be provided with a kit for installing (or not, as necessary) of the key lock.
  • a kit comprises said key lock, and, optionally, the tools necessary for its mounting.
  • the tooling comprises a punch adapted to remove the seal closing the through orifice of the handle.
  • the invention has been described with reference to a manhole whose stamp is generally circular in shape, but it is understood that it can be applied to any other form of stamp, such as a rectangular stamp inscribing in a rectangular-shaped frame or a triangular stamp inscribing with other adjacent triangular pads in a rectangular frame.
  • the invention can be applied to a manhole with a grid of any of the aforementioned forms.

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  • 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)
  • Lock And Its Accessories (AREA)
EP18162479.2A 2017-03-20 2018-03-19 Schachtabdeckung, die mit einem schloss versehen ist Active EP3378995B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SI201830532T SI3378995T1 (sl) 2017-03-20 2018-03-19 Jašek, ki vsebuje zapah
PL18162479T PL3378995T3 (pl) 2017-03-20 2018-03-19 Właz uliczny zawierający blokadę
RS20220062A RS62843B1 (sr) 2017-03-20 2018-03-19 Reviziono okno koje uključuje rezu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1752257A FR3064011B1 (fr) 2017-03-20 2017-03-20 Regard de chaussee comportant un verrou

Publications (2)

Publication Number Publication Date
EP3378995A1 true EP3378995A1 (de) 2018-09-26
EP3378995B1 EP3378995B1 (de) 2021-11-03

Family

ID=59296972

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18162479.2A Active EP3378995B1 (de) 2017-03-20 2018-03-19 Schachtabdeckung, die mit einem schloss versehen ist

Country Status (8)

Country Link
EP (1) EP3378995B1 (de)
ES (1) ES2904655T3 (de)
FR (1) FR3064011B1 (de)
MA (1) MA53208A (de)
PL (1) PL3378995T3 (de)
PT (1) PT3378995T (de)
RS (1) RS62843B1 (de)
SI (1) SI3378995T1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220157824A (ko) * 2021-05-21 2022-11-29 이동규 철판 맨홀뚜껑

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0856611A1 (de) 1997-01-30 1998-08-05 Norinco Verriegelungsvorrichtung für eine scharnierende Schachtabdeckung
EP1422363A2 (de) * 2002-11-22 2004-05-26 GSG International S.p.A. Mittels eines Schlüssels verriegelbarer Tür- bzw. Fenstergriff
FR3022923A1 (fr) 2014-06-30 2016-01-01 Ej Emea Regard de chaussee a verrou securise d'un tampon sur un cadre

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0856611A1 (de) 1997-01-30 1998-08-05 Norinco Verriegelungsvorrichtung für eine scharnierende Schachtabdeckung
EP1422363A2 (de) * 2002-11-22 2004-05-26 GSG International S.p.A. Mittels eines Schlüssels verriegelbarer Tür- bzw. Fenstergriff
FR3022923A1 (fr) 2014-06-30 2016-01-01 Ej Emea Regard de chaussee a verrou securise d'un tampon sur un cadre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220157824A (ko) * 2021-05-21 2022-11-29 이동규 철판 맨홀뚜껑

Also Published As

Publication number Publication date
EP3378995B1 (de) 2021-11-03
SI3378995T1 (sl) 2022-04-29
FR3064011B1 (fr) 2019-07-05
ES2904655T3 (es) 2022-04-05
PL3378995T3 (pl) 2022-05-02
PT3378995T (pt) 2022-01-28
MA53208A (fr) 2021-06-23
RS62843B1 (sr) 2022-02-28
FR3064011A1 (fr) 2018-09-21

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