EP0538160B1 - 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 PDFInfo
- Publication number
- EP0538160B1 EP0538160B1 EP92440108A EP92440108A EP0538160B1 EP 0538160 B1 EP0538160 B1 EP 0538160B1 EP 92440108 A EP92440108 A EP 92440108A EP 92440108 A EP92440108 A EP 92440108A EP 0538160 B1 EP0538160 B1 EP 0538160B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cam
- key
- lock
- hole
- indentation
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
- E05B35/008—Locks for use with special keys or a plurality of keys ; keys therefor for simple tool-like keys
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/14—Closures or guards for keyholes
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B11/00—Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys
- E05B11/02—Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys before the wing is locked
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B37/00—Permutation or combination locks; Puzzle locks
- E05B37/08—Permutation 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/001—Locks or fastenings for special use for gas- or watertight wings
Definitions
- the present invention relates to a lock intended to equip the doors of technical works, in particular underground electrical or telephone networks.
- the present invention overcomes these drawbacks by proposing a tight lock, in particular to runoff, requiring only one key which allows an authorized person on the one hand access to the opening and secondly the actual opening of the lock.
- the lock comprises a housing in which is disposed a secret lock, surmounted by an access well inside said housing, this well having internally a thread allowing the screwing of a plug on which a polygonal impression is made authorizing the positioning of a tool, an elastomer O-ring which is inserted between the shoulder of the plug and the edge of the well ensuring the tightness of their assembly.
- the bottom of the well is pierced with an orifice of a particular shape identical to that of the end of the key, and under this orifice is disposed a cam which can rotate under the action of the key to activate the re-entry or exit of a bolt.
- the cam is provided at its face opposite the orifice of the well with an imprint of polygonal shape in which the key can be inserted after passing through said orifice in the well bottom.
- the fingerprint of the cam is of a shape different from that of the end of the key, while allowing the latter to register therein so that, after the key has passed through the orifice at the bottom of the well, its rotation in the cavity of the cam causes it to be blocked in the lock when the bolt is actuated, this blocking being of course subject to the amplitude of the rotation causing the withdrawal of the bolt.
- the cam is on the other hand 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.
- 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.
- the opening of the lock thus requires, firstly, the removal of the plug by means of a tool comprising the appropriate imprint, then the operation corresponding to the unlocking code of the secret lock by means of 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 hole in the bottom of said well, as far as in the imprint of the cam.
- the footprint of the cam is the same as that of the well cap, which may for example have a hexagonal shape while the hole 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.
- 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.
- the lock 1 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.
- 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, the six faces of which are alternately flat and hollowed out in half-cylinders 24.
- 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.
- 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 crossed 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.
- 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.
- 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 cap has been removed, before the key is inserted into the female imprint 31 of the cam 3 in order to actuate the withdrawal of the bolt 15.
- the lock 1 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 on the back of the housing 10.
- 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 °.
Landscapes
- Lock And Its Accessories (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Details Of Aerials (AREA)
Abstract
Description
La présente invention concerne 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 with regard to 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, telle que définie par la revendication 1 annexée, 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, as defined by
Conformément à l'invention , la serrure comporte un boîtier dans lequel est disposée une serrure à secret, 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.According to the invention, the lock comprises a housing in which is disposed a secret lock, surmounted by an access well inside said housing, this well having internally a thread allowing the screwing of a plug on which a polygonal impression is made authorizing the positioning of a tool, an elastomer O-ring which is inserted between the shoulder of the plug and the edge of the well ensuring the tightness of their assembly.
Encore conformément à l'invention, le fond du puits est percé d'un orifice d'une forme particulière identique à celle de l'extrémité de la 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 d'un 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.Still 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 the key, and under this orifice is disposed a cam which can rotate under the action of the key to activate the re-entry or exit of a bolt. To this end, the cam is provided at its face opposite the orifice of the well with an imprint of polygonal shape in which the key can be inserted after passing through said orifice in the well bottom.
Toujours conformément à l'invention, l'empreinte de la came 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 pêne, ce blocage étant bien entendu subordonné à l'amplitude de la rotation entraînant le retrait du pêne.Still in accordance with the invention, the fingerprint of the cam is of a shape different from that of the end of the key, while allowing the latter to register therein so that, after the key has passed through the orifice at the bottom of the well, its rotation in the cavity of the cam causes it to be blocked in the lock when the bolt is actuated, this blocking being of course subject to the amplitude of the rotation causing the withdrawal of the bolt.
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.The cam is on the other hand 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 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 thus requires, firstly, the removal of the plug by means of a tool comprising the appropriate imprint, then the operation corresponding to the unlocking code of the secret lock by means of 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 hole 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 hole 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 d'une serrure selon un mode de réalisation de 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.
- Figure 1 shows a perspective view of a lock according to an embodiment of 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 conformément à l'invention la serrure 1 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 according to the invention the
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
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
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
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
La serrure 1 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
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
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 tel que défini par les revendications annexées.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 departing from the scope of the invention as defined by the claims. attached.
Claims (4)
- Unit including a sealed lock (1) intended in particular to equip the doors of technical works and a key (2) for said lock, said sealed lock (1) including a box (10) inside which a secret lock is disposed surmounted by a hole (11) able to be sealed off by a stopper (12) which is screwed into the hole (11), a female indentation (13) being made in said hole, said hole (11) comprising a bottom (16) pierced with an orifice (17) having a particular shape under which a cam (3) is disposed fitted with a snug (30) for controlling a sliding bolt (15) and comprising on its upper face a polygonal-shaped indentation (31) in which the extremity (23) of the key (2) can be inscribed so as to rotate said cam (3) with a view to acting on said sliding bolt (15), said extremity (23) of the key (2) having a cut identical to that of the orifice (17) of the bottom (16) of the hole (11), the cam (3) being secondly traversed axially in the middle of the polygonal indentation (31) by a cylindrical bore (32) opening onto the roller wheel (4) of the secret lock whose upper face comprises a transverse aperture (40) for receiving a suitably adapted tool.
- Unit according to claim 1, wherein a toric joint is disposed between the stopper (12) and the hole (11).
- Unit according to claim 1 or 2, wherein the indentation made in the stopper (12) is identical to the indentation (31) of the cam (3), the same tool enabling said stopper to be unscrewed and the cam (3) be rotated so as to activate the sliding bolt (15).
- Unit according to any one of claims 1 to 3, wherein the key has the shape of a «T» whose transverse branch (20) is used as a handle and comprises at one of its extremities a flat part (21) able to be inserted inside the aperture (40) of the roller wheel (4) of the secret lock, whereas its other branch comprises at its extremity a male indentation (23) having the shape of a hexahedron whose six faces are alternately flat and hollowed into semi-cylinders (24) so that the key (2) is able to firstly unscrew the stopper (12) and secondly activate the roller wheel (4) of the secret lock and finally activate movement of the sliding bolt (15).
Applications Claiming Priority (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 EP0538160A1 (en) | 1993-04-21 |
| EP0538160B1 true EP0538160B1 (en) | 1996-07-10 |
Family
ID=9417339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92440108A 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) | ATE140294T1 (en) |
| DE (1) | DE69212104T2 (en) |
| FR (1) | FR2681630B1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06257331A (en) * | 1993-03-04 | 1994-09-13 | Takigen Seizo Kk | Detachable type lock handle device |
| 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 |
| AU2002223937A1 (en) * | 2000-11-22 | 2002-06-03 | Bryan Michael Risi | A locking mechanism |
| FR2833987B1 (en) * | 2001-12-21 | 2004-02-06 | France Telecom | LOCKING DEVICE FOR ACCESS TO INFRASTRUCTURE LOCATED ON THE PUBLIC HIGHWAY |
| 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 |
| 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 |
Family Cites Families (4)
| 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 |
| FR2592910B1 (en) * | 1986-01-10 | 1988-03-18 | Merlin Gerin | SHUTTER OF A LOCK HOLE AGENCY IN PROVISIONAL KEY. |
-
1991
- 1991-09-23 FR FR9111886A patent/FR2681630B1/en not_active Expired - Lifetime
-
1992
- 1992-09-23 AT AT92440108T patent/ATE140294T1/en not_active IP Right Cessation
- 1992-09-23 EP EP92440108A patent/EP0538160B1/en not_active Expired - Lifetime
- 1992-09-23 DE DE69212104T patent/DE69212104T2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69212104T2 (en) | 1997-03-27 |
| EP0538160A1 (en) | 1993-04-21 |
| FR2681630B1 (en) | 1993-12-31 |
| DE69212104D1 (en) | 1996-08-14 |
| ATE140294T1 (en) | 1996-07-15 |
| FR2681630A1 (en) | 1993-03-26 |
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