EP0538160A1 - Weather proof lock, especially for the door of a technical construction - Google Patents

Weather proof lock, especially for the door of a technical construction Download PDF

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Publication number
EP0538160A1
EP0538160A1 EP19920440108 EP92440108A EP0538160A1 EP 0538160 A1 EP0538160 A1 EP 0538160A1 EP 19920440108 EP19920440108 EP 19920440108 EP 92440108 A EP92440108 A EP 92440108A EP 0538160 A1 EP0538160 A1 EP 0538160A1
Authority
EP
European Patent Office
Prior art keywords
well
lock
cam
imprint
key
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
EP19920440108
Other languages
German (de)
French (fr)
Other versions
EP0538160B1 (en
Inventor
Henri Auduc
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.)
BARAT SA
Original Assignee
BARAT 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
Priority to FR9111886A priority Critical patent/FR2681630B1/en
Priority to FR9111886 priority
Application filed by BARAT SA filed Critical BARAT SA
Publication of EP0538160A1 publication Critical patent/EP0538160A1/en
Application granted granted Critical
Publication of EP0538160B1 publication Critical patent/EP0538160B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/008Locks for use with special keys or a plurality of keys ; keys therefor for simple tool-like keys
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00Accessories in connection with locks
    • E05B17/14Closures or guards for keyholes
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B11/00Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys
    • E05B11/02Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys before the wing is locked
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B37/00Permutation or combination locks; Puzzle locks
    • E05B37/08Permutation or combination locks; Puzzle locks with tumbler discs on a single axis, all the discs being adjustable by a rotary knob which is not shifted for adjusting the discs
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00Locks or fastenings for special use
    • E05B65/001Locks or fastenings for special use for gas- or watertight wings

Abstract

Field lock intended particularly for equipping the doors of technical structures. It comprises a case (10) surmounted by a well (11) which can be closed off by a plug (12), in which a female cavity (13) is made, the well (11) having a bottom (16) pierced with an orifice (17) of particular shape, under which is arranged a cam (3) provided with a dog (30) for controlling the bolt (15) and comprising, on its upper face, a cavity (31) of polygonal shape, into which can be fitted the end (23) of a key (2), in order to effect the rotation of the said cam (3) for the purpose of actuating the bolt (15), the end (23) of the key (2) having a cutout identical to that of the orifice (17) of the bottom (16) of the well (11), the cam (3) on the other hand having passing axially through it a cylindrical duct (32) opening onto the knob (4) of a secret lock, the upper face of which comprises a transverse slot (40). <IMAGE>

Description

  • La présente invention a pour objet une serrure destinée à équiper les portes des ouvrages techniques, notamment des réseaux électriques ou téléphoniques souterrains.The present invention relates to a lock intended to equip the doors of technical works, in particular underground electrical or telephone networks.
  • De tels ouvrages doivent être fermés et leur accès réservé aux seules personnes autorisées. Actuellement les portes de ces ouvrages sont munies de serrures classiques comportant un barillet. Cela présente des inconvénients, d'une part en ce qui concerne la gestion des clés, plusieurs personnes devant être amenées à pénétrer dans lesdits ouvrages, d'autre part en ce que l'implantation de ces derniers entraînent lesdites serrures à être exposées à la poussière et à l'humidité, ce qui nuit à leur fiabilité.Such works must be closed and their access reserved for authorized persons only. Currently the doors of these structures are fitted with conventional locks comprising a barrel. This has drawbacks, on the one hand as regards the management of the keys, several people having to be brought into said works, on the other hand in that the implantation of the latter cause said locks to be exposed to the dust and moisture, which affects their reliability.
  • La présente invention permet de remédier à ces inconvénients en proposant une serrure étanche, notamment aux eaux de ruissellement, ne nécessitant qu'une seule clé qui permet à une personne autorisée d'une part l'accès à l'ouverture et d'autre part l'ouverture proprement dite de la serrure.The present invention overcomes these drawbacks by proposing a tight lock, in particular to runoff water, requiring only a single key which allows an authorized person on the one hand access to the opening and on the other hand the actual opening of the lock.
  • La serrure objet de la présente invention comporte un boîtier surmonté d'un puits d'accès à l'intérieur dudit boîtier, ce puits comportant intérieurement un filetage permettant le vissage d'un bouchon sur lequel est pratiquée une empreinte polygonale autorisant le positionnement d'un outil, un joint torique en élastomère qui s'intercale entre l'épaulement du bouchon et le bord du puits assurant l'étanchéité de leur assemblage.The lock which is the subject of the present invention comprises a housing surmounted by an access well inside said housing, this well having internally a thread allowing the screwing of a plug on which is made a polygonal imprint authorizing the positioning of a tool, an elastomer O-ring which is inserted between the shoulder of the stopper and the edge of the well ensuring the tightness of their assembly.
  • Conformément à l'invention, le fond du puits est percé d'un orifice d'une forme particulière identique à celle de l'extrémité d'une clé, et sous cet orifice est disposée une came qui peut tourner sous l'action de la clé pour actionner la rentrée ou la sortie du pène. A cet effet la came est munie à sa face en regard de l'orifice du puits d'une empreinte de forme polygonale dans laquelle la clé peut s'inscrire après passage dans ledit orifice du fond de puits.According to the invention, the bottom of the well is pierced with an orifice of a particular shape identical to that of the end of a key, and under this orifice is disposed a cam which can rotate under the action of the key to activate the retraction or retraction of the bolt. To this end, the cam is provided on its face opposite the orifice of the well with a polygonal imprint in which the key can be inserted after passing through said orifice in the well bottom.
  • Conformément à l'invention, cette empreinte est de forme différente de celle de l'extrémité de la clé, tout en permettant à cette dernière de s'y inscrire de manière que, après passage de la clé à travers l'orifice du fond du puits,, sa rotation dans l'empreinte de la came entraîne son blocage dans la serrure lors de l'actionnement du pène, ce blocage étant bien entendu subordonné à l'amplitude de la rotation entraînant le retrait du pène.According to the invention, this imprint has a shape different from that of the end of the key, while allowing the latter to register therein so that, after passage of the key through the hole in the bottom of the well, its rotation in the cavity of the cam causes its blocking in the lock during actuation of the bolt, this blocking being of course subject to the amplitude of the rotation causing the withdrawal of the bolt.
  • Conformément à l'invention; la came est d'autre part percée axialement d'un orifice donnant accès à la molette d'une serrure à secret du type de celle décrite dans le brevet français 2 436 237, autorisant ou non la rotation de la came.In accordance with the invention; the cam is also pierced axially with an orifice giving access to the knob of a secret lock of the type described in French patent 2,436,237, authorizing or not the rotation of the cam.
  • La commande de la molette s'effectue en introduisant dans l'orifice du fond du puits, puis au travers de la came, un outil comportant l'empreinte adéquate, ce préalablement à l'introduction de la clé dans le puits.The control of the wheel is carried out by introducing into the orifice at the bottom of the well, then through the cam, a tool comprising the appropriate imprint, this prior to the introduction of the key into the well.
  • L'ouverture de la serrure objet de la présente invention nécessite ainsi, dans un premier temps, la dépose du bouchon au moyen d'un outil comportant l'empreinte adéquate, puis la manoeuvre correspondant au code de déverrouillage de la serrure à secret au moyen d'un autre outil comportant lui aussi une empreinte adéquate, enfin l'introduction dans le puits d'une clé dont l'extrémité peut être introduite à travers l'orifice du fond dudit puits, jusque que dans l'empreinte de la came.The opening of the lock object of the present invention thus requires, firstly, the removal of the cap by means of a tool having the appropriate imprint, then the operation corresponding to the unlock code of the secret lock by means another tool also comprising an adequate imprint, finally the introduction into the well of a key, the end of which can be introduced through the orifice in the bottom of said well, as far as in the imprint of the cam.
  • Selon un mode de réalisation préférentiel de l'invention, l'empreinte de la came est la même que celle du bouchon du puits, pouvant par exemple présenter une forme hexagonale tandis que l'orifice du fond du puits et l'extrémité de la clé peuvent présenter une section en forme d'un hexagone dont un côté sur deux serait creusé en demi-cercle.According to a preferred embodiment of the invention, the footprint of the cam is the same as that of the well cap, which may for example have a hexagonal shape while the orifice in the bottom of the well and the end of the key may have a section in the shape of a hexagon, one side out of two would be hollowed out in a semicircle.
  • Ce mode de réalisation préférentiel permet d'utiliser la clé d'une part comme outil pour dévisser le bouchon du puits, et d'autre part pour actionner la serrure.This preferred embodiment makes it possible to use the key on the one hand as a tool for unscrewing the plug from the well, and on the other hand for actuating the lock.
  • Les avantages et les caractéristiques de la présente invention ressortiront plus clairement de la description qui suit et qui se rapporte au dessin annexé, lequel en représente un mode de réalisation non limitatif.The advantages and characteristics of the present invention will emerge more clearly from the description which follows and which refers to the appended drawing, which represents a non-limiting embodiment thereof.
  • Dans le dessin annexé :
    • la figure 1 représente une vue en perspective de la serrure selon l'invention.
    • la figure 2 représente une vue en perspective de la clé permettant d'effectuer les opérations nécessaires à l'ouverture de la serrure.
    • les figures 3a et 3b représentent des vues respectivement en plan et de profil de la même serrure.
    In the attached drawing:
    • Figure 1 shows a perspective view of the lock according to the invention.
    • 2 shows a perspective view of the key for performing the operations necessary to open the lock.
    • Figures 3a and 3b show respectively plan and side views of the same lock.
  • Si on se réfère à la figure 1 on peut voir que la serrure 1 selon l'invention comporte un boîtier 10 surmonté d'un puits 11 obturable par un bouchon 12 dans lequel est pratiquée une empreinte femelle hexagonale 13, l'étanchéité entre le puits 11 et le bouchon 12 étant assurée au moyen d'un joint torique 14. Le boîtier 10 comporte également un pène 15 susceptible de se loger dans une gâche solidaire du dormant, la serrure 1 étant fixée sur l'ouvrant.If we refer to Figure 1 we can see that the lock 1 according to the invention has a housing 10 surmounted a well 11 closable by a plug 12 in which a hexagonal female imprint 13 is made, the seal between the well 11 and the plug 12 being ensured by means of an O-ring 14. The housing 10 also includes a bolt 15 likely to be housed in a keeper secured to the frame, the lock 1 being fixed on the opening.
  • Si on se réfère maintenant à la figure 2 on peut voir que la clé 2 destinée à effectuer les opérations de déverrouillage de la serrure 1 a la forme d'un T dont la branche transversale 20 sert de poignée et comporte à l'une de ses extrémités un méplat 21. L'extrémité de l'autre branche 22 comporte une empreinte mâle 23 s'inscrivant dans un hexaèdre dont les six faces sont en alternance plates et creusées en demi-cylindres 24.Referring now to Figure 2 we can see that the key 2 for performing the unlocking operations of the lock 1 has the shape of a T whose transverse branch 20 serves as a handle and has one of its ends a flat 21. The end of the other branch 22 has a male imprint 23 inscribed in a hexahedron whose six faces are alternately flat and hollowed out in half-cylinders 24.
  • Si on se réfère maintenant aux figures 3a et 3b on peut voir que le puits 11 comporte un fond 16 percé d'un orifice 17 de forme identique à celle de l'empreinte 23 de la clé 2. Sous ce fond 16 une came 3, munie d'un ergot 30 de commande du pène 15, comporte à sa face supérieure une empreinte hexagonale 31. Cette came 3 est traversée axialement, dans le milieu de l'empreinte hexagonale 31, par un perçage cylindrique 32 débouchant sur la molette 4 d'une serrure à secret dont la face supérieure comporte une fente transversale 40 adaptée à recevoir le méplat 21 de la branche transversale de la clé 2.If we now refer to FIGS. 3a and 3b we can see that the well 11 has a bottom 16 pierced with an orifice 17 of a shape identical to that of the imprint 23 of the key 2. Under this bottom 16 a cam 3, provided with a lug 30 for controlling the bolt 15, has on its upper face a hexagonal imprint 31. This cam 3 is traversed axially, in the middle of the hexagonal imprint 31, by a cylindrical bore 32 leading to the wheel 4 d a secret lock, the upper face of which comprises a transverse slot 40 adapted to receive the flat 21 of the transverse branch of the key 2.
  • Ainsi l'empreinte 23 de la clé 2 permet d'une part la dépose du bouchon 12, en correspondant à l'empreinte 13 dudit bouchon, et d'autre part le passage de la clé 2 à travers l'orifice 17 du fond 16 du puits 11, ainsi que son positionnement dans l'empreinte femelle 31 de la came 3.Thus the imprint 23 of the key 2 allows on the one hand the removal of the plug 12, corresponding to the imprint 13 of said plug, and on the other hand the passage of the key 2 through the orifice 17 of the bottom 16 of the well 11, as well as its positioning in the female imprint 31 of the cam 3.
  • Le méplat 21 de la branche transversale 20 de la clé 2 permet d'actionner la molette 4 par passage à travers l'orifice 32 pratiqué dans la came 3, en s'inscrivant dans la fente 40 de la molette 4, cette opération intervenant immédiatement après la dépose du bouchon, avant l'introduction de la clé dans l'empreinte femelle 31 de la came 3 en vue d'actionner le retrait du pène 15.The flat 21 of the transverse branch 20 of the key 2 allows the wheel 4 to be actuated by passing through the orifice 32 formed in the cam 3, by registering in the slot 40 of the wheel 4, this operation taking place immediately after the removal of the plug, before the introduction of the key into the female imprint 31 of the cam 3 in order to actuate the withdrawal of the bolt 15.
  • La serrure 1 selon l'invention doit être solidarisée à l'ouvrant, de manière que lorsque celui-ci est ouvert, on puisse accéder à la combinaison de la serrure à secret, pour en modifier la combinaison, s'il y a lieu, par un orifice 18 pratiqué à l'arrière du boîtier 10.The lock 1 according to the invention must be secured to the opening, so that when the latter is open, the combination of the secret lock can be accessed, in order to modify the combination, if necessary, by an orifice 18 made at the rear of the housing 10.
  • Il convient de souligner que le dispositif selon l'invention permet de bloquer la clé dans la serrure après l'ouverture de cette dernière, du fait de la différence de forme de l'orifice 17 du fond du puits 11 et de l'empreinte 31 de la came 3, ce blocage impliquant que la rotation de la came (3) qui entraîne le retrait du pène (15) soit d'un angle inférieur à 120°.It should be emphasized that the device according to the invention makes it possible to block the key in the lock after the latter has been opened, due to the difference in shape of the orifice 17 at the bottom of the well 11 and the imprint 31 of the cam 3, this blocking implying that the rotation of the cam (3) which causes the withdrawal of the bolt (15) is by an angle less than 120 °.
  • Il va de soi que la présente invention ne saurait être limitée à la description qui précède d'un de ses modes de réalisation, susceptible de subir un certain nombre de modifications sans sortir pour autant du cadre de l'invention.It goes without saying that the present invention cannot be limited to the preceding description of one of its embodiments, capable of undergoing a certain number of modifications without thereby departing from the scope of the invention.

Claims (4)

1) Serrure étanche destinée notamment à équiper les portes des ouvrages techniques, caractérisée en ce qu'elle comprend un boîtier (10) surmonté d'un puits (11) obturable par un bouchon (12) vissé dans le puits (11) et dans lequel est pratiquée une empreinte femelle (13), le puits (11) comportant un fond (16) percé d'un orifice (17) de forme particulière sous lequel est disposée une came (3) munie d'un ergot (30) de commande du pène (15) et comportant à sa face supérieure une empreinte (31) de forme polygonale dans laquelle peut s'inscrire l'extrémité (23) d'une clé (2) afin d'opérer la rotation de ladite came (3) en vue de l'actionnement du pène (15), ladite extrémité (23) de la clé (2) présentant une découpe identique à celle de l'orifice (17) du fond (16) du puits (11), la came (3) étant d'autre part traversée axialement, dans le milieu de l'empreinte polygonale (31), d'un perçage cylindrique (32) débouchant sur la molette (4) d'une serrure à secret, dont la face supérieure comporte une fente transversale (40) destinée à recevoir un outil de forme adaptée. 1) Sealed lock intended in particular to equip the doors of technical works, characterized in that it comprises a housing (10) surmounted by a well (11) closable by a plug (12) screwed into the well (11) and in which is formed a female imprint (13), the well (11) comprising a bottom (16) pierced with an orifice (17) of particular shape under which is disposed a cam (3) provided with a lug (30) of control of the bolt (15) and comprising on its upper face an imprint (31) of polygonal shape in which the end (23) of a key (2) can be inscribed in order to operate the rotation of said cam (3 ) for the actuation of the bolt (15), said end (23) of the key (2) having a cut identical to that of the orifice (17) of the bottom (16) of the well (11), the cam (3) being on the other hand traversed axially, in the middle of the polygonal imprint (31), of a cylindrical bore (32) opening onto the thumb wheel (4) of a secret lock, the upper face of which has a transverse slot (40) intended to receive a tool of suitable shape.
2) Serrure selon la revendication 1, caractérisée en ce qu'un joint torique est disposé entre le bouchon (12) et le puits (11). 2) Lock according to claim 1, characterized in that an O-ring is disposed between the plug (12) and the well (11).
3) Serrure selon la revendication 1 ou la revendication 2, caractérisée en ce que l'empreinte (13) pratiquée dans le bouchon (12) est identique à l'empreinte (31) de la came (3), le même outil permettant d'opérer le dévissage dudit bouchon (12) et la rotation de la came (3) en vue de l'actionnement du pène (15). 3) Lock according to claim 1 or claim 2, characterized in that the imprint (13) made in the plug (12) is identical to the imprint (31) of the cam (3), the same tool allowing d 'Unscrew said plug (12) and rotate the cam (3) for the actuation of the bolt (15).
4) Serrure selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la clé (2) a la forme d'un T dont la branche transversale (20) sert de poignée et comporte à l'une de ses extrémités un méplat (21) apte à s'insérer dans la fente (40) de la molette (4), tandis que son autre branche comporte à son extrémité une empreinte mâle (23) ayant la forme d'un hexaèdre dont les six faces sont en alternance plates et creusées en demi-cylindres (24), en sorte que la clé (2) permet d'une part d'opérer le dévissage du bouchon (12), d'autre part d'actionner la molette (4) de la serrure à secret et enfin d'actionner le déplacement du pène (15). 4) Lock according to any one of claims 1 to 3, characterized in that the key (2) has the shape of a T whose transverse branch (20) serves as a handle and has at one of its ends a flat (21) suitable for fit into the slot (40) of the thumbwheel (4), while its other branch has at its end a male imprint (23) having the shape of a hexahedron whose six faces are alternately flat and hollowed out in half -cylinders (24), so that the key (2) allows on the one hand to operate the unscrewing of the cap (12), on the other hand to actuate the wheel (4) of the secret lock and finally d '' move the bolt (15).
EP19920440108 1991-09-23 1992-09-23 Weather proof lock, especially for the door of a technical construction Expired - Lifetime EP0538160B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9111886A FR2681630B1 (en) 1991-09-23 1991-09-23 Waterproof lock for fitting the doors with technical works.
FR9111886 1991-09-23

Publications (2)

Publication Number Publication Date
EP0538160A1 true EP0538160A1 (en) 1993-04-21
EP0538160B1 EP0538160B1 (en) 1996-07-10

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ID=9417339

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920440108 Expired - Lifetime EP0538160B1 (en) 1991-09-23 1992-09-23 Weather proof lock, especially for the door of a technical construction

Country Status (4)

Country Link
EP (1) EP0538160B1 (en)
AT (1) AT140294T (en)
DE (1) DE69212104T2 (en)
FR (1) FR2681630B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2275729A (en) * 1993-03-04 1994-09-07 Takigen Mfg Co Lock assemblies with removable handles
WO2002042588A1 (en) * 2000-11-22 2002-05-30 Bryan Michael Risi A locking mechanism
FR2833987A1 (en) * 2001-12-21 2003-06-27 France Telecom Locking device for public highway infrastructures comprises unit sheltering locking mechanism coupled to driving arm having cavity into which key fits
CN103628746A (en) * 2013-12-17 2014-03-12 中国人民解放军理工大学 Safe lock device of protective and airtight partition door of subway interval

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08218713A (en) * 1995-02-15 1996-08-27 I I C:Kk Locking device
FR2742018A1 (en) * 1995-12-05 1997-06-06 Barat Sa Connection box for urban analogue-digital electrical networks
FR2898376B1 (en) * 2006-03-09 2009-08-28 La Rouere Richard De Tripod lock for articulated keywheel buffers through the bumper sail and automatically relewing to the refermeture

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE388298A (en) *
US4142390A (en) * 1977-02-22 1979-03-06 Schroeder Vernon E Double safety latch for trailer doors
FR2436237A1 (en) * 1978-09-15 1980-04-11 Poumaredes & Martinet Secondary mechanism for lever lock - uses coaxial ratchet controlled wheels of which radial slots must align to authorise bolt retraction
FR2592910A1 (en) * 1986-01-10 1987-07-17 Merlin Gerin Shutter of a lock hole designed as a temporary key

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE388298A (en) *
US4142390A (en) * 1977-02-22 1979-03-06 Schroeder Vernon E Double safety latch for trailer doors
FR2436237A1 (en) * 1978-09-15 1980-04-11 Poumaredes & Martinet Secondary mechanism for lever lock - uses coaxial ratchet controlled wheels of which radial slots must align to authorise bolt retraction
FR2592910A1 (en) * 1986-01-10 1987-07-17 Merlin Gerin Shutter of a lock hole designed as a temporary key

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2275729A (en) * 1993-03-04 1994-09-07 Takigen Mfg Co Lock assemblies with removable handles
GB2275729B (en) * 1993-03-04 1995-08-09 Takigen Mfg Co Lock assemblies with removable handle
WO2002042588A1 (en) * 2000-11-22 2002-05-30 Bryan Michael Risi A locking mechanism
FR2833987A1 (en) * 2001-12-21 2003-06-27 France Telecom Locking device for public highway infrastructures comprises unit sheltering locking mechanism coupled to driving arm having cavity into which key fits
CN103628746A (en) * 2013-12-17 2014-03-12 中国人民解放军理工大学 Safe lock device of protective and airtight partition door of subway interval
CN103628746B (en) * 2013-12-17 2015-11-18 中国人民解放军理工大学 A kind of security lock arrangement of protective airtight partition door for subway district

Also Published As

Publication number Publication date
EP0538160B1 (en) 1996-07-10
DE69212104D1 (en) 1996-08-14
AT140294T (en) 1996-07-15
FR2681630B1 (en) 1993-12-31
DE69212104T2 (en) 1997-03-27
FR2681630A1 (en) 1993-03-26

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