EP0802290B1 - Encoding device and code-identifying device for furniture locks or the same - Google Patents

Encoding device and code-identifying device for furniture locks or the same Download PDF

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Publication number
EP0802290B1
EP0802290B1 EP97400853A EP97400853A EP0802290B1 EP 0802290 B1 EP0802290 B1 EP 0802290B1 EP 97400853 A EP97400853 A EP 97400853A EP 97400853 A EP97400853 A EP 97400853A EP 0802290 B1 EP0802290 B1 EP 0802290B1
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EP
European Patent Office
Prior art keywords
coding
wheels
buttons
plate
bolt
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
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EP97400853A
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German (de)
French (fr)
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EP0802290A1 (en
Inventor
Damien Antoine Tardy
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Construction Industrielle De Meubles Metalliques Cimm
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Construction Industrielle De Meubles Metalliques Cimm
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B37/00Permutation or combination locks; Puzzle locks
    • E05B37/12Permutation or combination locks; Puzzle locks with tumbler discs on several axes
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00Keys; Accessories therefor
    • E05B19/20Skeleton keys; Devices for picking locks; Other devices for similar purposes ; Means to open locks not otherwise provided for, e.g. lock pullers
    • E05B19/205Lock decoders

Definitions

  • the invention relates to a coding device comprising a new device for locating said coding of locks for furniture, for example for locker room furniture, chests and the like for temporary storage various objects by the public.
  • the invention solves this problem by ensuring that it is impossible to reconstruct the coding combination without having a particular device that may not be accessible specialized personnel who can be stored in a safe or the like.
  • the device for coding and locating said coding for furniture locks and the like comprising a bolt operable by a tree from a knob outside the cabinet is characterized in that it comprises step-by-step coding buttons for also step-by-step drive of coding wheels presenting each a notch and a magnet, said coding wheels being arranged around a swash plate comprising fingers that got into the notches of the different encoder wheels when establishing a combination coded by rotation of the coding buttons with respect to a graduation of a front plate, the exit of the bolt by the maneuvering a tree causing the erasure of a dog and the swiveling of the swash plate so that the coding freely drive the coding wheels without it is possible to retract the bolt while maintained by the dog and a finger of the swash plate, sleeves being provided near the coding wheels for setting up a magnetic detector making the position of the magnet each coding wheel can be identified using said detector in case of forgetting the coded combination so as to find the combination.
  • Fig. 1 is a diagrammatic elevation, partially broken away, of the coding device for a lock according to the invention.
  • Fig. 2 is a section taken substantially along the line II-II of fig. 1.
  • Fig. 3 is a schematic elevation, similar to FIG. 1, illustrating a characteristic position of the device.
  • Fig. 4 is a schematic elevation, similar to FIG. 1, showing particular elements that the device.
  • Fig. 5 is a sectional elevation of the device member allowing the location of the code.
  • the device illustrated by figs. 1, 3 and 4, includes a case 1, for example in folded sheet, inside which there is a compartment 2 for a coin-operated device designated as a whole by the reference 3.
  • the device coin mechanism not directly part of the invention is not described in detail in the following but is simply illustrated to show the position of a piece of currency or other token 4.
  • the part 4 is provided to descend along a ramp of 5 to pass through a passage 6 in which it occupies at a time position 4, this piece, when released, falling to the position 4b .
  • a dog 9 whose function is described in the following is articulated on an axis 14 and comprises two branches 15, respectively 16.
  • the branch 16 is used to lock a bolt 19 when the latter came out as illustrated in FIG. 3, position in which said branch 16 enters a notch 20 of said bolt, which is shown in FIG. 3.
  • the bolt 19 is moved by a lever 17 mounted on a shaft maneuver 18 operated from outside the housing 1.
  • the housing 1 contains a guide plate 21 which is there fixed and in which notched openings are made 22.
  • the number of notches 23 is normally ten for correspond to a graduation constituted for example for numbers 0 to 9 carried on a front panel 24 by which pass coding buttons 25 which can be advanced step by step not from one notch to another by means of balls 26 (fig. 2) which they contain and which are pushed by springs 27 in the successive notches 23.
  • the coding buttons 25 have a core or shaft 28 mounted in a bearing 29.
  • the bearings 29 are formed by encoder wheels 30 which can be driven by balls 31 pushed by springs 32.
  • the balls 31 and the springs 32 appear in fig. 1 and are shown schematically in fig. 2. They can be angularly offset by compared to balls 26 and springs 27.
  • the coding wheels 30 also each delimit ten notches designated by 33 in fig. 1.
  • the periphery of the coding wheels 30 has for each of them a notch 34, 34 a , 34 b , 34 c ...
  • the encoder wheels are each provided with a small magnet 35 placed opposite the guide plate 21 which is provided with sets of metal studs 36 arranged in look of each coding button as illustrated in figs. 1 and 4.
  • the device includes a swash plate 37 mounted on an axle 38.
  • the swash plate is provided with four oblong lights 40.
  • the four oblong lights 40 allow the passage of four sleeves 39 which are part integral with the guide plate 21.
  • the shape of the swash plate is chosen so that it has an off-center part 37 a tending to make it rotate clockwise under the action of its own weight.
  • the swash plate is, moreover, provided with fingers 41 four in number to correspond to the number of notches 34, 34 a , 34 b ... This position is illustrated in FIG. 1 and, in this case, the coding wheels 30 cannot be driven by the coding buttons 25. In fact, the fingers 41 prevent this rotation but the coding buttons 25 can rotate since the balls 31 as well as the balls 26 (fig. 2) can go from one notch to another.
  • the user of the lock in the position of fig. 1 can, by acting on the coding buttons 25, dial a four-digit code of your choice.
  • the branch 15 of the dog is in the low position since the branch 16 is located in the notch 20.
  • the swash plate 37 can pivot, the fingers 41 then emerging from the notches 34, 34 a , 34 b ... of so that the coding wheels can be driven by the coding buttons of any measure, which prevents a user who does not know the combination displayed from bringing in the bolt by acting on the shaft 18.
  • the encoder wheels can be driven at the same time time as the coding buttons, the combination performed remains in memory.
  • the user redials the combination so that the position of the wheel notches again the coders correspond to that of the fingers of the plate oscillating which rocks by gravity to occupy a position which authorizes, through the dog, the re-entry of the bolt and therefore the opening of the lock.
  • the lock coding device described in the foregoing is intended to be used in particular in furniture communities, clothes lockers, doors cloakrooms. In these applications, it sometimes happens that the user forget the combination created.
  • This member comprises a head 42 containing a microswitch 43 with flexible blades.
  • the head 42 is also provided a key 44 whose male shape corresponds to a shape female given to scabbards 39 or a part thereof.
  • the conductive blades of the microswitch are connected to a diode 45 and to batteries 46 arranged in the body 47 which supports the head 42.
  • the body 47 can be removable if it is desired to be able to change the battery or batteries 46.
  • the head 42 is introduced in a first sleeve 39, then we rotate step by step the corresponding coding button 25.
  • This has the effect of bringing the magnet 35 of the corresponding coding wheel in a position for which the magnetic field of this magnet can polarize the two blades of microswitch 43 which then close the electrical circuit of the detector device coding.
  • the purpose of the metal studs 36 is to channel the magnetic field of each magnet 35 and avoid its dispersion. When the magnetic field is maximum, the microswitch 43 blades are closed and, by Consequently, the diode 45 is lit.
  • the identified position thus corresponds to a first position of the coded combination. It is done in the same way for the other coding wheels by acting on their button respective coding and by introducing the head 42 in the sleeves correspondents.

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  • Lock And Its Accessories (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The coding lock has a bolt moved by a shaft (18) extending from an external button on the furniture. It has multiple coding buttons (25) which operate time after time to operate the coding wheels (30) similarly. The coding wheels each have a notch (34,34a..) and a magnet (35) and are mounted around an oscillating plate (37) having fingers (41) which fit into the notches of different code wheels. Simultaneously, a coded combination is established by rotation of the coded wheels with respect to a graduation on a face plate (24). The extension of the bolt by the actuation of a shaft causes the retraction of a dog (9) and the pivoting of the oscillating plate freely driving the code wheels without it being possible to retract the bolt held by the dog and a finger of the pivoting plate.

Description

L'invention concerne un dispositif de codage comportant un nouveau dispositif de repérage dudit codage de serrures pour des meubles, par exemple pour des meubles de vestiaires, des coffres et analogues permettant le rangement temporaire d'objets divers par le public.The invention relates to a coding device comprising a new device for locating said coding of locks for furniture, for example for locker room furniture, chests and the like for temporary storage various objects by the public.

Il est relativement fréquent que les utilisateurs de coffres, vestiaires ou analogues oublient la combinaison d'un codage qu'ils ont réalisé lors de la fermeture de la porte du meuble. Dans ce cas, une personne autorisée doit être en mesure de retrouver le code pour permettre l'ouverture de la serrure sans qu'il en résulte de dégâts ou d'endommagements quelconques et cela d'une façon rapide.It is relatively common for users of safes, changing rooms or the like forget the combination of coding that they realized when closing the furniture door. In this case, an authorized person must be able to find the code to allow the opening of the lock without resulting in any damage or damage and that in a fast way.

L'invention résout ce problème en faisant en sorte qu'il soit impossible de reconstituer la combinaison de codage sans disposer d'un dispositif particulier pouvant n'être accessible qu'à un personnel spécialisé et pouvant être rangé dans un coffre-fort ou analogue.The invention solves this problem by ensuring that it is impossible to reconstruct the coding combination without having a particular device that may not be accessible specialized personnel who can be stored in a safe or the like.

Conformément à l'invention, le dispositif de codage et de repérage dudit codage pour serrures de meubles et analogues comportant un pêne manoeuvrable par un arbre à partir d'un bouton extérieur au meuble est caractérisé en ce qu'il comporte des boutons de codage à fonctionnement pas à pas pour l'entraínement également pas à pas de roues codeuses présentant chacune une encoche et un aimant, lesdites roues codeuses étant disposées autour d'un plateau oscillant comportant des doigts qui sont entrés dans les encoches des différentes roues codeuses lors de l'établissement d'une combinaison codée par rotation des boutons de codage par rapport à une graduation d'un plateau de façade, la sortie du pêne par la manoeuvre d'un arbre amenant l'effacement d'un chien et le pivotement du plateau oscillant faisant que les boutons de codage entraínent librement les roues de codage sans qu'il soit possible de rentrer le pêne alors maintenu par le chien et un doigt du plateau oscillant, des fourreaux étant prévus à proximité des roues de codage pour la mise en place d'un détecteur magnétique faisant que la position de l'aimant de chaque roue de codage est repérable à l'aide dudit détecteur en cas d'oubli de la combinaison codée de manière à retrouver la combinaison.In accordance with the invention, the device for coding and locating said coding for furniture locks and the like comprising a bolt operable by a tree from a knob outside the cabinet is characterized in that it comprises step-by-step coding buttons for also step-by-step drive of coding wheels presenting each a notch and a magnet, said coding wheels being arranged around a swash plate comprising fingers that got into the notches of the different encoder wheels when establishing a combination coded by rotation of the coding buttons with respect to a graduation of a front plate, the exit of the bolt by the maneuvering a tree causing the erasure of a dog and the swiveling of the swash plate so that the coding freely drive the coding wheels without it is possible to retract the bolt while maintained by the dog and a finger of the swash plate, sleeves being provided near the coding wheels for setting up a magnetic detector making the position of the magnet each coding wheel can be identified using said detector in case of forgetting the coded combination so as to find the combination.

Diverses autres caractéristiques de l'invention ressortent d'ailleurs de la description détaillée qui suit.Various other features of the invention emerge moreover from the detailed description which follows.

Une forme de réalisation de l'objet de l'invention est représentée, à titre d'exemple non limitatif, au dessin annexé.An embodiment of the object of the invention is shown, by way of nonlimiting example, in the accompanying drawing.

La fig. 1 est une élévation schématique, en partie arrachée, du dispositif de codage pour serrure selon l'invention.Fig. 1 is a diagrammatic elevation, partially broken away, of the coding device for a lock according to the invention.

La fig. 2 est une coupe prise sensiblement suivant la ligne II-II de la fig. 1.Fig. 2 is a section taken substantially along the line II-II of fig. 1.

La fig. 3 est une élévation schématique, analogue à la fig. 1, illustrant une position caractéristique du dispositif.Fig. 3 is a schematic elevation, similar to FIG. 1, illustrating a characteristic position of the device.

La fig. 4 est une élévation schématique, analogue à la fig. 1, faisant apparaítre des éléments particuliers que comporte le dispositif.Fig. 4 is a schematic elevation, similar to FIG. 1, showing particular elements that the device.

La fig. 5 est une coupe élévation de l'organe de dispositif permettant le repérage du code.Fig. 5 is a sectional elevation of the device member allowing the location of the code.

Le dispositif, illustré par les fig. 1, 3 et 4, comporte un boítier 1, par exemple en tôle pliée, à l'intérieur duquel est disposé un compartiment 2 pour un dispositif monnayeur désigné dans son ensemble par la référence 3. Le dispositif monnayeur ne faisant pas directement partie de l'invention n'est pas décrit en détail dans ce qui suit mais est simplement illustré pour montrer la position qu'occupe une pièce de monnaie ou autre jeton 4.The device, illustrated by figs. 1, 3 and 4, includes a case 1, for example in folded sheet, inside which there is a compartment 2 for a coin-operated device designated as a whole by the reference 3. The device coin mechanism not directly part of the invention is not described in detail in the following but is simply illustrated to show the position of a piece of currency or other token 4.

La pièce 4 est prévue pour descendre le long d'une rampe 5 afin de passer par un couloir 6 dans lequel elle occupe à un moment la position 4a, cette pièce, lorsqu'elle est libérée, tombant jusqu'à la position 4b.The part 4 is provided to descend along a ramp of 5 to pass through a passage 6 in which it occupies at a time position 4, this piece, when released, falling to the position 4b .

En position 4a, la pièce de monnaie (ou jeton) est arrêtée dans cette position par une butée 7 de retenue. Cette retenue est réglable par pivotement de la butée autour d'un axe 8 afin de régler la largeur du couloir 6 en fonction de la dimension des pièces 4 à prendre en considération. L'amplitude du pivotement de la bascule 7 est limitée par des doigts 10, 11 engagés dans des lumières 12, 13.In position 4 a , the coin (or token) is stopped in this position by a retaining stop 7. This retention is adjustable by pivoting the stop about an axis 8 in order to adjust the width of the corridor 6 as a function of the size of the pieces 4 to be taken into consideration. The amplitude of the pivoting of the rocker 7 is limited by fingers 10, 11 engaged in slots 12, 13.

Un chien 9 dont la fonction est décrite dans ce qui suit est articulé sur un axe 14 et comporte deux branches 15, respectivement 16. La branche 16 sert à verrouiller un pêne 19 lorsque ce dernier est sorti comme illustré par la fig. 3, position dans laquelle ladite branche 16 entre dans une encoche 20 dudit pêne, ce qui est représenté à la fig. 3. Le pêne 19 est de son côté déplacé par un levier 17 monté sur un arbre de manoeuvre 18 actionné depuis l'extérieur du boítier 1.A dog 9 whose function is described in the following is articulated on an axis 14 and comprises two branches 15, respectively 16. The branch 16 is used to lock a bolt 19 when the latter came out as illustrated in FIG. 3, position in which said branch 16 enters a notch 20 of said bolt, which is shown in FIG. 3. The bolt 19 is moved by a lever 17 mounted on a shaft maneuver 18 operated from outside the housing 1.

Le boítier 1 contient une plaque de guidage 21 qui y est fixée et dans laquelle sont pratiquées des ouvertures crantées 22. Le nombre de crans 23 est normalement de dix pour correspondre à une graduation constituée par exemple pour les chiffres 0 à 9 portées sur un plateau de façade 24 par lequel passent des boutons de codage 25 pouvant être avancés pas à pas d'un cran à l'autre au moyen de billes 26 (fig. 2) qu'ils contiennent et qui sont poussés par des ressorts 27 dans les crans successifs 23.The housing 1 contains a guide plate 21 which is there fixed and in which notched openings are made 22. The number of notches 23 is normally ten for correspond to a graduation constituted for example for numbers 0 to 9 carried on a front panel 24 by which pass coding buttons 25 which can be advanced step by step not from one notch to another by means of balls 26 (fig. 2) which they contain and which are pushed by springs 27 in the successive notches 23.

Les boutons de codage 25 présentent un noyau ou arbre 28 monté dans un palier 29. Les paliers 29 sont formés par des roues codeuses 30 pouvant être entraínées par des billes 31 poussées par des ressorts 32. Les billes 31 et les ressorts 32 apparaissent à la fig. 1 et sont représentés schématiquement à la fig. 2. Ils peuvent être décalés angulairement par rapport aux billes 26 et ressorts 27.The coding buttons 25 have a core or shaft 28 mounted in a bearing 29. The bearings 29 are formed by encoder wheels 30 which can be driven by balls 31 pushed by springs 32. The balls 31 and the springs 32 appear in fig. 1 and are shown schematically in fig. 2. They can be angularly offset by compared to balls 26 and springs 27.

Les roues codeuses 30 délimitent également chacune dix crans désignés par 33 à la fig. 1.The coding wheels 30 also each delimit ten notches designated by 33 in fig. 1.

La périphérie des roues codeuses 30 présente pour chacune d'elles une encoche 34, 34a, 34b, 34c ...The periphery of the coding wheels 30 has for each of them a notch 34, 34 a , 34 b , 34 c ...

Par ailleurs, les roues codeuses sont chacune munies d'un petit aimant 35 disposé en regard de la plaque de guidage 21 qui est munie de jeux de plots métalliques 36 disposés en regard de chaque bouton de codage comme illustré aux fig. 1 et 4.Furthermore, the encoder wheels are each provided with a small magnet 35 placed opposite the guide plate 21 which is provided with sets of metal studs 36 arranged in look of each coding button as illustrated in figs. 1 and 4.

Outre ce qui précède, le dispositif comporte un plateau oscillant 37 monté sur un axe 38. Le plateau oscillant est muni de quatre lumières oblongues 40. Les quatre lumières oblongues 40 permettent le passage de quatre fourreaux 39 qui font partie intégrante de la plaque de guidage 21.In addition to the above, the device includes a swash plate 37 mounted on an axle 38. The swash plate is provided with four oblong lights 40. The four oblong lights 40 allow the passage of four sleeves 39 which are part integral with the guide plate 21.

La forme du plateau oscillant est choisie pour qu'il présente une partie décentrée 37a tendant à le faire pivoter dans le sens horaire sous l'action de son propre poids. Le plateau oscillant est, par ailleurs, muni de doigts 41 au nombre de quatre pour correspondre au nombre d'encoches 34, 34a, 34b ... Cette position est illustrée par la fig. 1 et, dans ce cas, les roues codeuses 30 ne peuvent pas être entraínées par les boutons de codage 25. En effet, les doigts 41 empêchent cette rotation mais les boutons de codage 25 peuvent tourner puisque les billes 31 de même que les billes 26 (fig. 2) peuvent passer d'un cran à un autre.The shape of the swash plate is chosen so that it has an off-center part 37 a tending to make it rotate clockwise under the action of its own weight. The swash plate is, moreover, provided with fingers 41 four in number to correspond to the number of notches 34, 34 a , 34 b ... This position is illustrated in FIG. 1 and, in this case, the coding wheels 30 cannot be driven by the coding buttons 25. In fact, the fingers 41 prevent this rotation but the coding buttons 25 can rotate since the balls 31 as well as the balls 26 (fig. 2) can go from one notch to another.

L'utilisateur de la serrure se trouvant dans la position de la fig. 1 peut, en agissant sur les boutons de codage 25, composer un code à quatre chiffres de son choix.The user of the lock in the position of fig. 1 can, by acting on the coding buttons 25, dial a four-digit code of your choice.

En faisant tourner l'arbre de manoeuvre 18, l'utilisateur sort le pêne 19 qui vient occuper la position illustrée par la fig. 3.By rotating the operating shaft 18, the user takes out the bolt 19 which comes to occupy the position illustrated by fig. 3.

Lorsque le pêne est sorti, le chien 9 pivote autour de l'axe 14, la branche 16 entrant dans l'encoche 20 dans laquelle elle est verrouillée par la bascule 7.When the bolt is out, the dog 9 pivots around the axis 14, the branch 16 entering the notch 20 in which it is locked by rocker 7.

La branche 15 du chien est en position basse puisque la branche 16 se trouve dans l'encoche 20. De cette manière, le plateau oscillant 37 peut pivoter, les doigts 41 sortant alors des encoches 34, 34a, 34b ... de sorte que les roues codeuses peuvent être entraínées par les boutons de codage d'une mesure quelconque, ce qui empêche un utilisateur ne connaissant pas la combinaison affichée de faire rentrer le pêne en agissant sur l'arbre 18.The branch 15 of the dog is in the low position since the branch 16 is located in the notch 20. In this way, the swash plate 37 can pivot, the fingers 41 then emerging from the notches 34, 34 a , 34 b ... of so that the coding wheels can be driven by the coding buttons of any measure, which prevents a user who does not know the combination displayed from bringing in the bolt by acting on the shaft 18.

Puisque les roues codeuses peuvent être entraínées en même temps que les boutons de codage, la combinaison réalisée demeure en mémoire.Since the encoder wheels can be driven at the same time time as the coding buttons, the combination performed remains in memory.

Pour ouvrir la serrure, l'utilisateur recompose la combinaison de manière que la position des encoches des roues codeuses corresponde à nouveau à celle des doigts du plateau oscillant qui bascule par gravité pour venir occuper une position qui autorise, par l'intermédiaire du chien, la rentrée du pêne et donc l'ouverture de la serrure.To open the lock, the user redials the combination so that the position of the wheel notches again the coders correspond to that of the fingers of the plate oscillating which rocks by gravity to occupy a position which authorizes, through the dog, the re-entry of the bolt and therefore the opening of the lock.

Le dispositif de codage de serrure décrit dans ce qui précède est destiné à être mis en oeuvre en particulier dans des meubles de collectivités, des casiers à vêtements, des portes de vestiaires. Dans ces applications, il arrive que l'utilisateur oublie la combinaison créée.The lock coding device described in the foregoing is intended to be used in particular in furniture communities, clothes lockers, doors cloakrooms. In these applications, it sometimes happens that the user forget the combination created.

Une personne autorisée peut alors retrouver la combinaison en utilisant l'organe de repérage illustré par la fig. 5.An authorized person can then find the combination in using the locating member illustrated in FIG. 5.

Cet organe comporte une tête 42 contenant un micronterrupteur 43 à lames flexibles. La tête 42 est aussi munie d'un détrompeur 44 dont la forme mâle correspond à une forme femelle donnée aux fourreaux 39 ou à une partie de ceux-ci. Les lames conductrices du micro-interrupteur sont reliées à une diode 45 et à des piles 46 disposées dans le corps 47 qui supporte la tête 42.This member comprises a head 42 containing a microswitch 43 with flexible blades. The head 42 is also provided a key 44 whose male shape corresponds to a shape female given to scabbards 39 or a part thereof. The conductive blades of the microswitch are connected to a diode 45 and to batteries 46 arranged in the body 47 which supports the head 42.

Le corps 47 peut être démontable si il est souhaité de pouvoir changer la ou les piles 46.The body 47 can be removable if it is desired to be able to change the battery or batteries 46.

Pour repérer la combinaison codée, la tête 42 est introduite dans un premier fourreau 39, puis on fait tourner pas à pas le bouton de codage 25 correspondant. Cela a pour effet d'amener l'aimant 35 de la roue codeuse correspondante dans une position pour laquelle le champ magnétique de cet aimant peut polariser les deux lames du micro-interrupteur 43 qui referment alors le circuit électrique du dispositif détecteur du codage. Les plots métalliques 36 ont pour objet de canaliser le champ magnétique de chaque aimant 35 et d'éviter sa dispersion. Lorsque le champ magnétique est maximum, les lames du micro-interrupteur 43 sont fermées et, par conséquent, la diode 45 est allumée. To locate the coded combination, the head 42 is introduced in a first sleeve 39, then we rotate step by step the corresponding coding button 25. This has the effect of bringing the magnet 35 of the corresponding coding wheel in a position for which the magnetic field of this magnet can polarize the two blades of microswitch 43 which then close the electrical circuit of the detector device coding. The purpose of the metal studs 36 is to channel the magnetic field of each magnet 35 and avoid its dispersion. When the magnetic field is maximum, the microswitch 43 blades are closed and, by Consequently, the diode 45 is lit.

La position identifiée correspond ainsi à une première position de la combinaison codée. Il est procédé de même façon pour les autres roues codeuses en agissant sur leur bouton de codage respectif et en introduisant la tête 42 dans les fourreaux correspondants.The identified position thus corresponds to a first position of the coded combination. It is done in the same way for the other coding wheels by acting on their button respective coding and by introducing the head 42 in the sleeves correspondents.

L'invention n'est pas limitée à l'exemple de réalisation, représenté et décrit en détail, car diverses modifications peuvent y être apportées sans sortir du cadre des revendications ci-jointes.The invention is not limited to the embodiment, shown and described in detail because various modifications can be made without departing from the scope of the appended claims.

Claims (7)

  1. Encoding and code identifying device for furniture locks and the like, comprising a bolt (19) which can be activated by means of a shaft (18) from a button that is outside the piece of furniture, characterized in that it comprises coding buttons (25) having a step-by-step working for the driving, also step-by-step, of coding wheels (30) each having a notch (34, 34a, ...) and a magnet (35), said coding wheels being arranged around an oscillating plate (37) comprising a set of fingers (41) which enter the notches of the various coding wheels upon establishing a coded combination by rotating the coding buttons (25) relatively to a scale of a front plate (24), the coming-out of the bolt (19) by activation of the shaft (18) causing the withdrawal of a cock (9) and the pivotement of the oscillating plate (37) making that the coding buttons (25) freely drive the coding wheels (30) without being possible to cause the bolt (19) to come-in which is then maintained by the cock and a finger (41) of the pivoting plate, sleeves (39) being provided near the coding wheels (30) for the positioning of a magnetic probe making that the position of the magnet (35) of each coding wheel (30) can be identified by the help of said probe in case the coded combination has been forgotten, in order to find back the combination.
  2. Device according to claim 1, characterized in that the magnetic probe comprises a head (42) containing a flexible plate micro-swich (43) for supplying a ligth diode (45).
  3. Device according to claim 2, characterized in that the head (42) is provided with an aligner (44).
  4. Device according to one of claim 1 to 3, characterized in that the step-by-step drive of the coding buttons (25) is provided by means of balls (26) that are pushed by means of springs (27) in teeth (23) of a guiding plate (21) that is fixedly connected to a casing (1) which contains the device.
  5. Device according to one of claim 1 to 4, characterized in that the coding buttons (25) are extended by cores (28) comprising a set of balls (31) that are pushed by means of springs (32) for activating the coding wheels (30) corresponding to the coding buttons (25).
  6. Device according to claim 4, characterized in that the guiding plate (21) is provided with metals studs (36) near of which the magnets (35) of each coding wheel are brought for permitting the rocking or the pivoting of the oscillating plate (37) and the introduction of fingers (41) that it has into the notches (34, 34a ...) of the coding wheels.
  7. Device according to one of claims 1 to 6, characterized in that the oscillating plate (37) is mounted on a pin (38) and is provided, around this pin, with oblong apertures (40) for a permanent passing of the sleeves (39).
EP97400853A 1996-04-16 1997-04-15 Encoding device and code-identifying device for furniture locks or the same Expired - Lifetime EP0802290B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9604728 1996-04-16
FR9604728A FR2747421B1 (en) 1996-04-16 1996-04-16 CODING AND CODING LOCATION DEVICE FOR FURNITURE LOCKS AND THE LIKE

Publications (2)

Publication Number Publication Date
EP0802290A1 EP0802290A1 (en) 1997-10-22
EP0802290B1 true EP0802290B1 (en) 1999-09-22

Family

ID=9491238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97400853A Expired - Lifetime EP0802290B1 (en) 1996-04-16 1997-04-15 Encoding device and code-identifying device for furniture locks or the same

Country Status (5)

Country Link
EP (1) EP0802290B1 (en)
AT (1) ATE184951T1 (en)
DE (1) DE69700540T2 (en)
ES (1) ES2137761T3 (en)
FR (1) FR2747421B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1304901B1 (en) * 1998-09-09 2001-04-05 Cerniera Di Ellemme S R L SNAP CLOSURE FOR BAGS AND LEATHER BRIEFCASES OR SIMILAR, COMBINATION RESERVE
CN111764751A (en) * 2020-07-25 2020-10-13 北华大学 Locking type mechanical coded lock

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988000999A1 (en) * 1986-07-29 1988-02-11 Moore Randall L Manipulation assistance device and method
FR2667644B1 (en) * 1990-10-09 1992-12-11 Cimm COMBINATION LOCK DEVICE.

Also Published As

Publication number Publication date
FR2747421A1 (en) 1997-10-17
DE69700540T2 (en) 2000-03-23
DE69700540D1 (en) 1999-10-28
EP0802290A1 (en) 1997-10-22
ATE184951T1 (en) 1999-10-15
ES2137761T3 (en) 1999-12-16
FR2747421B1 (en) 1998-08-14

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