EP2075378A1 - Gesicherte Vorrichtung zum Verriegeln und Entriegeln einer Abdeckung auf einem Rahmen mit Hilfe eines Schlüssels - Google Patents

Gesicherte Vorrichtung zum Verriegeln und Entriegeln einer Abdeckung auf einem Rahmen mit Hilfe eines Schlüssels Download PDF

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Publication number
EP2075378A1
EP2075378A1 EP20080169263 EP08169263A EP2075378A1 EP 2075378 A1 EP2075378 A1 EP 2075378A1 EP 20080169263 EP20080169263 EP 20080169263 EP 08169263 A EP08169263 A EP 08169263A EP 2075378 A1 EP2075378 A1 EP 2075378A1
Authority
EP
European Patent Office
Prior art keywords
key
buffer
bolt
electronic module
opening
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
EP20080169263
Other languages
English (en)
French (fr)
Other versions
EP2075378B1 (de
Inventor
Philippe Dutilleul
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.)
Norinco SA
Original Assignee
Norinco SA
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 Norinco SA filed Critical Norinco SA
Priority to SI200830649T priority Critical patent/SI2075378T1/sl
Priority to PL08169263T priority patent/PL2075378T3/pl
Publication of EP2075378A1 publication Critical patent/EP2075378A1/de
Application granted granted Critical
Publication of EP2075378B1 publication Critical patent/EP2075378B1/de
Not-in-force 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
    • E02D29/1409—Covers for manholes or the like; Frames for covers adjustable in height or inclination
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S70/00—Locks
    • Y10S70/47—Laterally movable key
    • 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
    • Y10T70/5589—Latching bolt
    • 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
    • Y10T70/5593—Movably seating
    • Y10T70/5597—Cover-carried lock
    • Y10T70/5606—Latching bolt
    • 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
    • Y10T70/70—Operating mechanism
    • Y10T70/7051—Using a powered device [e.g., motor]
    • Y10T70/7062—Electrical type [e.g., solenoid]
    • Y10T70/7068—Actuated after correct combination recognized [e.g., numerical, alphabetical, or magnet[s] pattern]
    • Y10T70/7073—Including use of a key
    • Y10T70/7079—Key rotated [e.g., Eurocylinder]
    • 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
    • Y10T70/70—Operating mechanism
    • Y10T70/7051—Using a powered device [e.g., motor]
    • Y10T70/7062—Electrical type [e.g., solenoid]
    • Y10T70/7102—And details of blocking system [e.g., linkage, latch, pawl, spring]
    • 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
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7842—Single shank or stem
    • Y10T70/7847—Round rigid
    • Y10T70/7853—Tubular
    • 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
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7915—Tampering prevention or attack defeating
    • Y10T70/7955—Keyhole guards
    • Y10T70/7977—Key-controlled
    • 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
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8432—For key-operated mechanism
    • Y10T70/8595—Key guides, internal
    • 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
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8432—For key-operated mechanism
    • Y10T70/8649—Keyhole covers

Definitions

  • the present invention relates to a secure locking and unlocking device using a key of a buffer on a frame.
  • This known device has the disadvantage that unauthorized persons can make a key of a shape similar to the specific key used in this device to access the bolt drive rotor and unlock the lock latch of the frame.
  • the present invention aims to overcome the disadvantage of the device known above.
  • the movable shutter member is constituted by a bar mounted to move in translation in translation in the buffer at a location of the buffer opening located between the end of the rotor of the bolt and socket of the key when introduced into this opening.
  • the bar is a bar of electromagnet extending radially to the rotor of the bolt and the coil of the electromagnet is powered by the electronic module to move the bar in a direction clearing the passage between the end of the rotor of the bolt and the socket of the key when the identification code read from the key matches the code stored in the electronic module.
  • the bar protrudes into the space between the end of the rotor of the bolt and the socket of the key at a distance from the outer peripheral edge of the socket at least equal to the thickness of the sleeve.
  • the remote link between the two antennas of the chip of the key and the code reader means uses the radio frequency identification technology known as RFID.
  • the device comprises, housed at the bottom of the opening for introducing the key into the buffer and connected to the electronic module, a sensor for detecting the presence of the key in the opening of the buffer and able to supply the electronic module with a signal triggering a read delay of the identification code of the key.
  • This sensor can also provide the electronic module with a presence detection signal of the key at the bottom of the opening when it disconnects the rotor from the bolt to allow the electronic module to control the movable shutter member at its locking position. access to the bolt rotor.
  • the device may also include a sensor for detecting the locked or unlocked position of the latch and a sensor for detecting the position of opening or closing the frame buffer.
  • the memory chip is of the read-write passive type of other information that can be written into the chip when its antenna is facing the antenna of the reader means, such as the unlocking duration of the bolt lock, the buffer opening time, the number of the key having opened the buffer, the date and time of opening of the buffer, the charge level of a power supply battery of the electronic module.
  • the electronic module controls the movable shutter member at its locked access position to the bolt rotor when the corresponding sensors detect the closing position of the buffer in the frame and the locking of the bolt to the strike and that the corresponding sensor detects the presence of the key at the bottom of the opening of the buffer after detaching the key from the rotor of the bolt .
  • the electronic module comprises a memory card containing the identification code of the key and associated with a PCMCIA type readout card comprising the code input antenna of the memory chip of the key.
  • the electronic module is advantageously connected to a remote station capable of communicating with the module in particular to erase the code stored in the electronic module during a loss of the coded key or to receive from the module an anomaly signal, such as a an alarm signal indicating that the latch does not occupy its locked position after removal of the buffer in its frame.
  • a remote station capable of communicating with the module in particular to erase the code stored in the electronic module during a loss of the coded key or to receive from the module an anomaly signal, such as a an alarm signal indicating that the latch does not occupy its locked position after removal of the buffer in its frame.
  • the opening of the buffer opens into an internal cavity of the buffer at the bottom of which can bear the socket of the key and is partially closed by a buffer plate in which is integrated the antenna of the reader means facing the antenna of the memory chip when the latter has its socket housed at the bottom of the cavity which opens towards the rotor of the bolt to allow the key to be moved in translation towards the rotor in order to engage the socket of the key with the rotor.
  • the electronic module is housed in a housing integral with the buffer and embedded in a protective resin.
  • the device of the invention is intended to equip a buffer or cover 1 for closing a frame or frame 2 defining the opening of a manhole, but this device can be applied to locking a cover closing a frame of any equipment other than a manhole.
  • the buffer 1 has its substantially flat upper wall 1a having an opening 4 opening on the one hand towards the outside of the buffer 1 and on the other hand in an internal cavity 5 of the buffer 1 near the bottom of which is accessible a portion of a lock 6 of the buffer 1.
  • the key 3 comprises an operating arm 7, one end of which is provided with a bushing 8 whose longitudinal axis is perpendicular to the longitudinal axis of the flat-shaped arm 7 of rectangular cross-section.
  • the sleeve 8 has an internal cavity 8a of square cross section, but it is understood that this footprint may have a cross section of different shape, for example hexagonal.
  • the opening 4 for access to the key 3 is partially closed by a plate 9 of the buffer 1 which can be integral with the latter and conferring on the opening 4 an L-shape.
  • the plate 9, of square shape or rectangular closes one of the corners of the rectangular opening 4 of the buffer 1 so that the remaining portion and opening of this opening in the upper wall 1a of the buffer 1 has substantially the shape of the L allowing the introduction and operation of the key 3.
  • the cavity 5 of the buffer 1 located below the plate 9 is delimited by an inner wall 10 integral with the upper wall 1a of the buffer 1 perpendicular thereto opposite the open portion of the cavity 5 with the opening 4 and which is perpendicular to an inclined wall 11 of the cavity 5 guiding the end portion of the key 3 in the cavity 5 to the bottom thereof.
  • a rectilinear groove or channel 12 is formed in the inclined wall 11 in line with one of the branches 4a of the opening 4 extending parallel to the wall 10, the groove 12 being located under the branch 4a.
  • the bushing 8 engages in the channel 12 and the flat end portion of the arm 3 of the key bears on the inclined wall 11 for ensure guided sliding of the end portion of the arm 3 of the sleeve 8 to the bottom of the cavity 5.
  • the lock 6 of the buffer 1 comprises a rotor 13 having at one end a bolt 14 and which is rotatably mounted about its longitudinal axis under the buffer 1 parallel to the upper wall 1a thereof.
  • the rotor 13 comprises two mutually integral parts comprising a generally cylindrical axis 15 rotatably mounted in a bore 16 of the wall 10 and a generally cylindrical tip body 17 rotatably mounted in a bore 18 formed through a second wall 19 integral with the upper wall 1a of the buffer 1 and, consequently, parallel to the wall 10.
  • the tip body 17 carries the bolt 14 projecting from the wall 19 opposite the wall 10
  • the bolt 14 has a general shape in hollow cylinder sector.
  • the tip body 17 is provided with a cylindrical portion of smaller diameter 20 located between the two walls 10 and 19 and the cylindrical axis 15 of the rotor 13 is housed in a bore 21 of the cylindrical portion 20 being connected to rotation to the latter by two flats cooperating 22, 23 respectively of the axis 15 and the bore 21 of the portion 20.
  • the axis 15 is translationally connected in the portion 20 of the tip body 17 by a screw 24 through holes 20a and 15a. of the portion 20 and the axis 15 perpendicular to their respective coaxial longitudinal axes.
  • the portion 20 of the tip body 17 comprises an outer transverse notch flat bottom 25 extending in a plane parallel to the longitudinal axis of the cylindrical portion 20 and on which is fixed in abutment one end of a bar 26 forming crutch extending perpendicularly to the longitudinal axis of the portion 20.
  • the stand 26 is fixed to the flat bottom of the notch 25 by the screw 24 whose threaded end is anchored in a threaded hole 26a formed in the end of the stand 26.
  • the stand 26 is integral in rotation with the portion 20 and, therefore, the rotor 13.
  • This stand has its end 26b opposite to the cylindrical portion 20 curved at right angles so that this end free can bear on the inner face of the upper wall 1a of the buffer 1 as will be seen later.
  • a chain 27 or any other equivalent means, such as a cable, is fixed at one of its ends to the curved end 26b of the stand 26.
  • the cylindrical axis 15 of the rotor 13 has its free end 28 opposite the bolt 14 protruding into the cavity 5 in the vicinity of the bottom thereof and is in the form of a square head that can be engaged with the conjugate internal cavity 8a of the sleeve 8.
  • the head 28 of the axis 15 is supported on the inner face of the wall 10 by means of a washer 29.
  • a helical torsion spring 30 is mounted concentrically on the portion of the axis 15 of the rotor 13 located between the cylindrical portion 20 of the tip body 17 and a washer 31 resting on the outer face of the wall 10.
  • the assembly constituted by the head 28, washers 29, 31 and the spring 30 allows to maintain axially without substantially any play the rotor 13 relative to the walls 10, 19.
  • the torsion spring 30 has one of its ends bent at right angles 30a resting on the dorsal surface of the stand 26 and its opposite end also bent at right angles 30b bears on the inner face of the upper wall 1a of the buffer 1, the ends 30a, 30b being parallel and in opposite directions to each other. In this way, the torsion spring is prestressed so as to exert a pair of forces tending to resiliently and constantly recall the stand 26 bearing, by its free end 26b, on the inner face of the upper wall 1a of the buffer 1.
  • the assembly consisting of the cylindrical portion 20 of the tip body 17, the stand 26, the torsion spring 30 and the washer 31 is located between the two walls 10 and 19 of the buffer 1.
  • the bolt 14 is adapted to cooperate with a spar portion 32 projecting inside the frame 2 to be held prisoner therein in the locking position of the pad 1 to the frame 2.
  • the spar portion 32 has an end 32a defining a space relative to a rib 1b of the buffer 1 bearing on a seat abutment 2a of the frame 2, through which space can pivot the arcuate portion of the bolt 14 when unlocking the buffer 1 of the frame 2.
  • the seat abutment 2a is located in below the stringer forming striker 32.
  • the end portion of the key 3 is inserted into the cavity 5 through the opening 4 and this introduction can only be made for one direction of the key visible in figure 1 , that is to say that the sleeve 8 slides in the guide channel 12 and the flat end portion of the arm 3 slides on the inclined wall 11 until the bushing 8 arrives practically at the bottom of the cavity 5.
  • the key 3 is locked by its arm 7 between the edge of the L-shaped branch 4b of the opening 4 perpendicular to the wall 10 and the edge facing the plate 9 9a.
  • the key 3 can be actuated only by sliding translation of the sleeve 8 at the bottom of the cavity 5 to the head 28 of the rotor 13 so as to come into direct contact therewith.
  • the translational movement is apparent figures 2 and 4 .
  • the arm 7 of the key 3 is in alignment with the branch 4a of the opening 4 parallel to the wall 10 so that the key 3 can be rotatably operated to rotate the assembly consisting of the axis 15, the cylindrical portion 20, the stand 26, the tip body 17 and, therefore, the bolt 14, against the return force exerted by the torsion spring 30 so as to allow the bolt 14 to disengage from the striker 32 through the space between keeper and rib 1b.
  • the figures 3 , 6 and 7 represent the position of the bolt 14 released from the striker 32.
  • the buffer 1 can be lifted by the operator with the key 3 and completely disengaged from the frame 2.
  • the torsion spring 30 automatically returns the rotor 13 of the lock 6 to its locking position and the key 3 is also automatically recalled by the torsion spring 30 to its position at which the arm 7 is resting on the edge of the opening 4 located in the corner of the two branches of the L-shape of this opening.
  • the key 3 can then be removed from the buffer 1 by moving it in translation perpendicular to the wall 10 in the opposite direction to the latter to the position shown in FIG. figure 1 .
  • the buffer 1 can be returned to the closed position on the frame 2 with the key 3 inserted into the cavity 5 and rotated to rotate the rotor 13 to its unlocked position and thus the bolt 14 which will occupy its position allowing it to introduce it into the space between striker 32 and rib 1b. Then, the operator releases the handle 3 so that the torsion spring 30 automatically returns the bolt 14 to its captive position under the striker 32.
  • the key 3 can then be removed from the buffer 1 by translation perpendicular to the wall 10 at the position of the figure 1 then sliding of the key 3 out of the opening 4 of this buffer.
  • the first buffer no longer comprising this key can not be put back in place within its framework.
  • the torsion spring 30 automatically and constantly remembers the latch 6 at its locking position, the bolt 14 can not be introduced into the space between striker 32 and rib 1b and will bear on the corresponding part
  • this spring will recall the latch 30 to its locking position even before the bolt 14 can be introduced into the space.
  • the torsion spring 30 makes it impossible to insert the bolt 14 into the space between the stringer 32 and the rib 1b of the buffer 1.
  • the operator must use the key 3 which is introduced into the cavity 5 and brought into engagement with the head 28 of the rotor 13 to rotate the latter against the restoring force of the torsion spring 30 and to allow the insertion of the bolt 14 into the space in position and, once the buffer bears on the frame 2, the operator releases the key 3 so that the torsion spring 30 automatically returns the bolt 14 to its position of imprisonment under the striker 32.
  • the presence of the chain 27 allows a person inside the chamber of view to exert a tensile force on the stand 26 so that it rotates the rotor 13 and the bolt 14 to their position. unlocking buffer 1 from the frame 2.
  • the stand 26, by its curved free end 26b bearing under the buffer 1 by the torsion spring 30, somehow indexes the bolt 14 to its locking position under the striker 32.
  • the locking and unlocking device is secured by the arrangements described below and which reliably identify the key associated with the lock 6 of the buffer 1 to allow it to engage with the end 28. of the axis 15 of the rotor 13 in order to unlock the buffer 1 of the frame 2.
  • the key 3 comprises a means 40 with an identification code of the key that can be read by a code reader means 41, integral with the buffer 1 when the key is introduced through the opening 4 to the bottom of the cavity 5 of the buffer 1.
  • a housing 42 is fixed, for example by means of feet 43, under the buffer 1 and contains in particular an electronic module 44 connected to the code reader means 41 which can at least be part of the module 44.
  • the electronic module 44 is able to compare a code, previously stored in an internal memory of the module 44 or in a memory card 45 removably fixed in the housing 42, to the identification code of the key 3 read by the reader 41 and, in where the identification code of the key 3 corresponds to the memorized code, to controlling the displacement of a shutter member 46 relative to the buffer 1 at a position allowing the socket 8 of the key 3 to move in translation at the bottom of the cavity 5 of the buffer 1 at its position of coupling with the end 28 of the axis 15 of the rotor 13.
  • the bar 46 moves in translation in the internal cavity 5 of the pad 1 at a location between the end 28 of the axis 15 of the rotor 13 and the end of the socket 8 of the key 3 when this socket occupies its position. position at the bottom of the cavity 5 before being moved in translation towards the end 28 of the axis 15 to engage the sleeve 8 with this end.
  • the bar 46 comprises an arched recessed portion 47 formed through the thickness of the bar and capable of being plumbed above the socket 8 of the key 3 and of the end 28 of the axis 15 to allow the displacement in translation of the sleeve 8 towards the end 28 through the recessed door 47 and bring the sleeve 8 into engagement with this end as shown in FIGS. Figures 4 and 5 .
  • Bar 46 may also occupy the position shown in Figures 2 and 3 to which a portion thereof is disposed between the end 28 of the shaft 15 and the socket 8 of the key 3 to block the movement of the bushing 8 towards the end 28 of the shaft 15.
  • the latter comprises a conjugate groove 1c and the movement of the rack-and-pinion 46 in its longitudinal direction is ensured by an electric motor 48 driven by the electronic module 44 and whose driving axis carries a pinion 49 meshing with the rack portion protruding outside the pad 1 below its upper wall 1a.
  • the movable shutter member 46 may be constituted by a solenoid bar extending radially relatively to the end 28 of the axis 15 of the rotor 13 and can occupy a position at which its free end is disposed between the bushing 8 of the key 3 and the end 28 of the shaft 15 to prevent the coupling of the bushing 8 to the end 28 of the axis 15 and a position at which the end of the solenoid bar 46 is completely disengaged from the bushing 8 and the end 28 of the shaft 15 to allow the translational movement of the bushing 8 towards the end 28 and to couple it to the latter .
  • the solenoid coil and a portion of its bar 46 may be housed in the wall 1a of the buffer 1 perpendicularly to the wall 1a and the coil is connected to the electronic module 44 which can supply it to move the electrode bar. magnet 46 outside the space between the end 28 of the axis 15 and the socket 8 of the key 7 against the restoring force of a spring.
  • the bar portion 46 located between the bushing 8 of the key 3 and the end 28 of the shaft 15 to prevent the bushing 8 from coupling to the end 28 as shown in FIG. figure 2 is located at a distance or height d from the outer circular peripheral edge of the sleeve 8 at least equal to the thickness e of this socket configuring the internal cavity 8a thereof to prevent unauthorized persons d attempting to introduce a socket wrench with the same cavity 8a but of smaller thickness than e of socket 8 for mating with the end 28 of the shaft 15.
  • the identification code means 40 of the key 3 is constituted by an integrated antenna chip chip which is coded during its manufacture before being fixed. to the key.
  • the chip 40 is fixed, for example by gluing, in a conjugated blind hole made in the arm 7 of the key 3 near the socket 8.
  • the code reader means 41 comprises an antenna 50 connected to the means 41 and integrated in the wall 9 of the buffer 1 and for detecting by radio frequency the identification code of the chip 40 of the key 3 when the antenna integrated in the chip 40 is disposed opposite the antenna 50 when the introduction of the key into the opening 4 at its position at which the bushing 8 is at the bottom of the cavity 5 of the buffer 1 shown in FIGS. figures 2 and 8 .
  • the chip 40 of the key 3 and the code reader means 41 operate advantageously using the radio frequency identification technology known as RFID, known per se.
  • the signal coming from the antenna 50 and representative of the identification code of the chip 40 of the key 3 can be decoded in the electronic module 44 and compared to the code previously stored in an internal memory of this module. In case of agreement between the decoded signal coming from the antenna 50 and the code stored in the electronic module 44, the latter then transmits a control signal of the electric motor 48 so as to translate the rack 46 in translation relative to the buffer 1 a position at which the rack prevents the coupling of the bushing 8 of the key 3 to the end 28 of the axis 15 to a position at which the recessed portion 47 of the rack 46 is above the bushing 8 and the end 28 of the axis 15 to allow the sleeve 8 to mate, by translation in the cavity 5, at the end 28.
  • One of them consists in using a memory card 45 of the "Compact Flash” type in which is memorized the code associated with the identification code stored in the chip 40 of the key 3 and a reading card 51 of the PCMCIA type with antenna 50 to enter the identification code in the chip 40 and compare it to the code stored in the memory card 45.
  • a memory card 45 of the "Compact Flash” type in which is memorized the code associated with the identification code stored in the chip 40 of the key 3 and a reading card 51 of the PCMCIA type with antenna 50 to enter the identification code in the chip 40 and compare it to the code stored in the memory card 45.
  • the memory chip 40 is of the passive read-write type of other information that can be written in the chip and read in them as will be seen later.
  • a sensor 52 is disposed at the bottom of the cavity 5 of the buffer 1 at a location for detecting the presence of the key 3 when the latter is introduced into the opening 4 at its position before being moved in translation towards the end. 28 of the axis 15 to mate with the latter.
  • the detector 52 is constituted by a microleaf contactor fixed to the bottom of the internal cavity 5 of the buffer 1 and connected via an electrical cord 53 to the electronic module 44.
  • This micro contactor thus constitutes a switch occupying an open position represented on the figure 11 in the absence of a key in the buffer 1 and closing when the socket 8 of the key 3 is disposed at the bottom of the internal cavity 5 of the buffer 1.
  • the detector 52 may be constituted by any other type of contactor, such as for example an inductive contactor.
  • the electrical signal supplied by the detector 52 indicating the presence of the key 3 in the buffer is applied to the electronic module 44 so that it triggers a reading delay by the code reader. 51 to antenna 50, the identification code of the key stored in the chip 40.
  • the detector 52 also provides the electronic module 44 a detection signal of the presence of the key 3 at the bottom of the internal cavity 5 of the buffer 1 after disconnection of the socket 8 of this key from the end 28 of the axis 15 to allow the electronic module 44 to control the rack 46 to its unlocked access position to the rotor 13 of the bolt 14.
  • the device of the invention further comprises a sensor 53 for detecting the locked or unlocked position of the bolt lock 14 and a sensor 54 for detecting the position of opening or closing of the buffer 1 to the frame 2.
  • Each of these two sensors 53, 54 is connected to the electronic module 44 and can be constituted by micro-contactors with blades.
  • the sensor 53 may be disposed under the stringer part 32 forming the latch 6 in a position such that when the latch 14 occupies its locking position of the buffer 1 to the frame 2 shown in FIG. figure 2 , the micro contact of this sensor is closed. The sensor is then opened when the bolt 14 is in its unlocked position of the buffer 1 of the frame 2 represented in FIG. figure 4 to indicate to the electronic module 44 the unlocked position of the lock 6.
  • the sensor 54 can simply be placed between the seat abutment 2a and the buffer 1 so that the microswitch constituting this sensor is closed when the buffer 1 is in its closed position of the frame and is open when the buffer 1 is disengaged from the frame 2.
  • the electronic module 44 is powered by a battery 54, if necessary rechargeable, housed in the housing 42.
  • the housing 42 is fixed to the buffer 1 with the latter embedded in a protective resin.
  • the electronic module 44 can communicate remotely, as symbolized by the double arrow 55 in figure 11 , with a remote monitoring station 56 including a computer.
  • This communication can be performed by a link network for example optical fiber or a GPRS type link network.
  • the computer station monitoring station 56 includes software for configuring the various electronic components of the device of the invention.
  • an operator reads the identification code stored in the factory in each chip 40 of a key and stores it in a memory of this computer in order to associate it with a code also stored in this memory and which will identify the lock of a buffer normally associated with the identification code of the key 3.
  • the operator can associate with the locks of buffers, as much there are key identification codes 3.
  • the lock codes associated with the corresponding key identification codes are stored on the memory cards assigned to these buffer locks or stored in memory. in the internal memory of the electronic module 44 via the bidirectional link 55 in the case of a device not comprising a memory card.
  • the assignment of the codes to the buffer locks may be such that they are associated with the same identification code assigned to several keys, that is to say that a key will unlock several different buffer locks. .
  • the same code assigned to each buffer lock may be associated with different key identification codes, that is, more than one key with different identification codes will be able to unlock the same buffer lock.
  • the computer of the monitoring station 56 can be connected to the electronic module 44 of each buffer in order to test various functions of the locking and unlocking device of the invention and comprising for example a clock setting of the clock internal can be located in the electronic module 44, the correct unlocking and locking of the buffer lock, etc ...
  • the sleeve 8 At the insertion of the key 3 in the opening 4 of the buffer 1 until the sleeve 8 is disposed at the bottom of the internal cavity 5 of this buffer, the sensor 52 detects the presence of the key 3 at the bottom of the the cavity and provides the electronic module 44 a signal triggering the input process, through the antenna 50, the identification code of the key and comparison of this code to that stored in the electronic module 44 or in the memory card 45 inserted in the housing 42.
  • the shutter member with rack and pinion 46 remains in its blocking position preventing the displacement in translation of the bushing 8 of the key 3 towards the end 28 of the axis 15 of the rotor 13 and the electronic module 14 can be adapted to transmit to the remote monitoring station 56 an audible and / or visual alarm signal, this alarm signal can also be transmitted in situ by the electronic module 44 of the associated buffer.
  • the electronic module 44 sends a control signal from the electric motor 48 which controls the movement of the rack 46 relative to the buffer 1 at its position at which the recessed portion 47 of the rack 46 is above the end 28 of the axis 15 and the socket 8 of the key 3 to allow the latter to be moved in translation towards the end 28 and bring it into engagement with this end to rotate the rotor 13 in one direction disengaging the latch 14 of the striker 32 and unlocking the buffer 1 of the frame 2.
  • various information previously defined during the aforementioned configuration of the device by the computer can be written both in the memory chip 40 of the key 3 and the internal memory of the electronic module 44.
  • This information can include the time at which the key 3 has been recognized to allow the unlocking of the buffer 1 of the frame 2, the number of the key used to unlock the buffer, the charge level of the battery B, the triggering of a duration of unlocking the lock 6 from the sensor 53 and an opening time of the buffer 1 from the sensor 54 once this buffer disengaged from the frame 2.
  • the buffer 1 is again put back into place in the frame 2 to actuate the sensor 54 which will supply the electronic module 44 with an end-of-duration signal for opening the buffer.
  • the operator operates the key 3 in translation to disengage the rotor 13 of the lock 6 and bring it to its position in the internal cavity 5 to which the memory chip 40 is again arranged opposite the antenna 50 which will transmit to the electronic module 44 the identification signal of the key 3 which will be compared again with the code stored in the memory card 45 or in the internal memory of the electronic module 44 and, in case of agreement between these two codes, the electronic module 44 will transmit a control signal of the electric motor 48 to control the movement of the rack 46 to its closed position of the passage between the bushing 8 and the end 28 of the axis 15 of the rotor 13.
  • the information relating to the opening time of the buffer 1, the unlocking time of the lock 6 of this buffer by the sensors 53, 54 at the load level of the battery B etc ... can be written in the memory chip 50 via the antenna
  • the electronic module 44 can condition the movement of the rack 46 to its closed position not only by the detection, by the sensor 52, of the presence of the key 3 at the bottom of the cavity 5, but also by the detection, by the sensor 54, the closure of the frame 2 by the buffer 1 and the detection, by the sensor 53, of the locked position of the bolt 14 to the striker 32.
  • the electronic module 44 can trigger an audible and / or visual alarm signal at buffer implantation site and / or transmit this alarm signal to the monitoring station 56.
  • the electronic module 44 for example of the microprocessor type, can be programmed to control the movement by the motor 48 of the rack 46 on a stroke to position it at its position. obstruction between the end 28 of the axis 15 and the socket 8 of the key 3 or its release position between these two parts.
  • the race of the rack 46 between its two obstructed and unobstructed positions can be defined by one or two end-of-travel sensors fixed to the buffer 1 or by detection by the electronic module 44 of the overcurrent of the supply current. motor 48 ensuring the movement of the rack 46.
  • the computer present at this station can read the information recorded in the memory chip of the key 3 to update, and, if necessary, change the parameters of the key, such as a new affection of it to a lock or pad locks.
  • the monitoring station 56 can transmit to the electronic module 44 of each lock concerned 6 of a buffer a code erase signal stored in the internal memory of the electronic module 44 and replace it with a new code associated with another identification code of a key different from that of the lost key.
  • this change of lock code can be performed in situ using a laptop.
  • the locking and unlocking device of the invention thus ensures optimum security deterring any unauthorized person attempting to unlock a buffer frame.

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)
  • Lock And Its Accessories (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Transmitters (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
EP20080169263 2007-12-28 2008-11-17 Gesicherte Vorrichtung zum Verriegeln und Entriegeln einer Abdeckung auf einem Rahmen mit Hilfe eines Schlüssels Not-in-force EP2075378B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200830649T SI2075378T1 (sl) 2007-12-28 2008-11-17 Varnostna naprava za zaklepanje in odklepanje okrova na okvirju s pomočjo ključa
PL08169263T PL2075378T3 (pl) 2007-12-28 2008-11-17 Zabezpieczone urządzenie blokujące i odblokowujące pokrywę na ramie za pomocą klucza

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0760431A FR2925926B1 (fr) 2007-12-28 2007-12-28 Dispositif securise de verrouillage et de deverrouillage a l'aide d'une clef d'un tampon sur un cadre

Publications (2)

Publication Number Publication Date
EP2075378A1 true EP2075378A1 (de) 2009-07-01
EP2075378B1 EP2075378B1 (de) 2012-03-21

Family

ID=39684100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080169263 Not-in-force EP2075378B1 (de) 2007-12-28 2008-11-17 Gesicherte Vorrichtung zum Verriegeln und Entriegeln einer Abdeckung auf einem Rahmen mit Hilfe eines Schlüssels

Country Status (14)

Country Link
US (1) US8132436B2 (de)
EP (1) EP2075378B1 (de)
JP (1) JP2009162045A (de)
CN (1) CN101469576B (de)
AT (1) ATE550495T1 (de)
CA (1) CA2647229A1 (de)
DK (1) DK2075378T3 (de)
ES (1) ES2384589T3 (de)
FR (1) FR2925926B1 (de)
MY (1) MY150273A (de)
PL (1) PL2075378T3 (de)
PT (1) PT2075378E (de)
SG (1) SG153776A1 (de)
SI (1) SI2075378T1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104453377A (zh) * 2013-09-24 2015-03-25 国家电网公司 解锁装置
US10704221B2 (en) * 2017-11-09 2020-07-07 Trifect Composites, LLC Lockable composite manhole cover system, apparatus and method
US20190360238A1 (en) * 2018-05-23 2019-11-28 Wen-Kuei Liu Anti-theft structure of dual-locking lock
CN109869052B (zh) * 2019-04-23 2021-02-23 广州通巴达电气科技有限公司 锁具装置、防护系统及乘用车
US11905735B2 (en) * 2020-10-19 2024-02-20 Schlage Lock Company Llc Key-operable lockset
US11761165B1 (en) * 2023-02-27 2023-09-19 David M. Stadler Manhole cover

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FR2780996A1 (fr) 1998-07-10 2000-01-14 Norinco Dispositif de verrouillage et deverrouillage avec cle d'un tampon sur un cadre
EP1593780A1 (de) * 2004-04-15 2005-11-09 Norinco Verriegelungsvorrichtung für Schachtrahmen
EP1835078A1 (de) * 2006-03-17 2007-09-19 Norinco Vorrichtung zum Verriegeln und Entriegeln einer Abdeckung oder eines Deckels auf einem Rahmen mit Hilfe eines Schlüssels

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GB902286A (en) * 1959-10-08 1962-08-01 F S Moran & Co Engineers Ltd Improvements relating to locks
US4577478A (en) * 1983-08-26 1986-03-25 Economopoulos Dennis O Locking filler tube cover apparatus for underground fuel tanks
US4902165A (en) * 1988-02-19 1990-02-20 Embree Lewis A Locking valve cover
US6257154B1 (en) * 1996-02-05 2001-07-10 Algonquin Industries, Inc. Cabinet having a lock assembly
DE19807577C1 (de) * 1998-02-23 1999-04-22 Keso Gmbh Schließvorrichtung
KR20000071438A (ko) * 1999-04-27 2000-11-25 하시모토 토모요시 맨홀 뚜껑의 열쇠 덮개 및 그를 이용한 맨홀 뚜껑의잠금장치 및 맨홀 뚜껑의 잠금시스템 및 그 잠금해제방법및 맨홀 뚜껑의 개폐제어시스템
AU6145300A (en) * 1999-09-21 2001-04-24 Berchtold Ag Blocking device for a cylinder lock
US6550294B2 (en) * 2001-04-12 2003-04-22 Albert Garguilo Manhole security device
AU2003270927A1 (en) * 2002-08-15 2004-03-03 Carl Meyer Locking mechanism
US7144189B1 (en) * 2002-09-06 2006-12-05 Brad Bongiovanni Locking cover for wells and underground tanks
WO2004070143A1 (en) * 2003-02-10 2004-08-19 Kolektor Group Vodenje In Upravljanje Druzb D.O.O. Lock cylinder with key
US6739796B1 (en) * 2003-03-21 2004-05-25 Philip W. Del Nero High security manhole insert cover
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Publication number Priority date Publication date Assignee Title
FR2780996A1 (fr) 1998-07-10 2000-01-14 Norinco Dispositif de verrouillage et deverrouillage avec cle d'un tampon sur un cadre
EP1593780A1 (de) * 2004-04-15 2005-11-09 Norinco Verriegelungsvorrichtung für Schachtrahmen
EP1835078A1 (de) * 2006-03-17 2007-09-19 Norinco Vorrichtung zum Verriegeln und Entriegeln einer Abdeckung oder eines Deckels auf einem Rahmen mit Hilfe eines Schlüssels
FR2898614A1 (fr) 2006-03-17 2007-09-21 Norinco Soc Par Actions Simpli Dispositif de verrouillage et de deverrouillage a l'aide d'une cle d'un tampon ou couvercle sur un cadre

Also Published As

Publication number Publication date
FR2925926B1 (fr) 2012-01-20
CN101469576B (zh) 2013-07-10
CN101469576A (zh) 2009-07-01
JP2009162045A (ja) 2009-07-23
FR2925926A1 (fr) 2009-07-03
DK2075378T3 (da) 2012-07-09
ATE550495T1 (de) 2012-04-15
SG153776A1 (en) 2009-07-29
SI2075378T1 (sl) 2012-07-31
US8132436B2 (en) 2012-03-13
PT2075378E (pt) 2012-06-26
ES2384589T3 (es) 2012-07-09
PL2075378T3 (pl) 2012-08-31
CA2647229A1 (fr) 2009-06-28
EP2075378B1 (de) 2012-03-21
MY150273A (en) 2013-12-31
US20090169299A1 (en) 2009-07-02

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