EP0854260B1 - Locking/unlocking means comprising a low cost actuator - Google Patents

Locking/unlocking means comprising a low cost actuator Download PDF

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Publication number
EP0854260B1
EP0854260B1 EP19970403023 EP97403023A EP0854260B1 EP 0854260 B1 EP0854260 B1 EP 0854260B1 EP 19970403023 EP19970403023 EP 19970403023 EP 97403023 A EP97403023 A EP 97403023A EP 0854260 B1 EP0854260 B1 EP 0854260B1
Authority
EP
European Patent Office
Prior art keywords
latch
tongue
fact
locking device
locking
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
Application number
EP19970403023
Other languages
German (de)
French (fr)
Other versions
EP0854260A1 (en
Inventor
Joel Girard
Jean-Philippe Hochart
Stephen Rocher
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.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Securite Habitacle SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Publication of EP0854260A1 publication Critical patent/EP0854260A1/en
Application granted granted Critical
Publication of EP0854260B1 publication Critical patent/EP0854260B1/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
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/02Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
    • E05B47/023Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving pivotally or rotatively
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0053Other details of locks; Parts for engagement by bolts of fastening devices means providing a stable, i.e. indexed, position of lock parts
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014Constructional features of actuators or power transmissions therefor
    • E05B2047/0015Output elements of actuators
    • E05B2047/0017Output elements of actuators with rotary motion
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014Constructional features of actuators or power transmissions therefor
    • E05B2047/0018Details of actuator transmissions
    • E05B2047/0026Clutches, couplings or braking arrangements
    • E05B2047/0031Clutches, couplings or braking arrangements of the elastic type
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E05B47/0003Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core
    • E05B47/0005Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core said core being rotary movable
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00Fastening devices with bolts moving pivotally or rotatively
    • E05C3/02Fastening devices with bolts moving pivotally or rotatively without latching action
    • E05C3/04Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt
    • E05C3/041Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted

Definitions

  • the present invention relates to a device for locking and, more specifically, a device for maintaining closed position of an opening flap.
  • a interesting application consists in particular in ensuring the blocking of a locking / unlocking control, i.e. ensuring mechanical blocking preventing the use of the normal means of locking / unlocking of any opening flap.
  • Such a lock / unlock control can, for example, prevent the movement of a flap opening or mechanically blocking the movement of the control member of said opening flap.
  • such a device locking / unlocking could be implemented to condemn the opening of the fuel flap or the glove box or to cooperate, in a side door lock, with the function child conviction or the super-conviction function.
  • the locking device / unlocking will simply be used to position a latch so as to prevent the opening of the opening flap which does not require low power since the movement of the latch is carried out without whether there is to overcome any significant resistance or to drive a mechanism, only the inertia of the latch opposing the movement.
  • the invention therefore provides a device for locking device comprising an actuator using a motor electric, characterized in that said electric motor is of low power and carries on its output shaft a latch, which it rotates between two positions called locking and unlocking, positioning means ensuring the maintenance of the latch in each of said two positions.
  • the locking device according to the invention is also remarkable in that the positioning means can be consist of an elastic tongue secured to the latch and a finger fixed, or vice versa, with a fixed elastic tongue and a finger secured to the latch.
  • the tongue can advantageously be in abutment against the finger in each of the locking and unlocking positions of the latch, said tab being, for each of said positions of the latch, arranged on the suitable side of the finger, so that said finger is on the path of said tongue or vice versa, when one passes from the locking position to the unlocking position or vice versa.
  • the tongue When the tongue is secured to the latch, the tongue may consist of a thin-walled loop connected to the latch by its two ends; a notch can be made in the wall of the tongue in order to facilitate the deformation of said tongue, said notch which may have a V shape; according to another embodiment, the positioning means comprise at least one spring.
  • the latch carries a boss intended to allow external mechanical action in the event of a failure electrical installation or motor.
  • the motor turns in both directions according to its power supply; a quarter turn rotation of the motor ensures the passage of the latch from one to the other of its positions locking and unlocking.
  • a electric motor 1 is arranged in a housing 2 fixed on a support 20.
  • the attachment of the housing 2 to the support 20 is ensured by pins 21 of the housing, which are crimped into holes in the support 20.
  • the electric motor 1 receives its electric power on metal tabs 10 and can rotate in both directions according to his diet.
  • the output shaft 11 of said motor 1 carries a latch 3 which it rotates between the two positions shown respectively in Figures 2 and 3.
  • the position shown in the Figure 2 is the latch locking position 3, in which it maintains the flap 4 in the closed position, while the position shown in Figure 3 is its unlocked position.
  • Engine 1 drives the latch in the direction symbolized by the arrow V for bring it from its unlocking position to its lock and in the opposite direction represented by arrow D to bring it to its unlocked position.
  • a quarter-turn rotation of the motor ensures passage of the latch 3 from one to the other of its positions.
  • the locking device according to the invention can be used on any support of any orientation.
  • positioning means ensure so keeping the latch in each of its two positions so to ensure the stability of these positions.
  • the positioning means are consist of an elastic tongue 31 secured to the latch and a finger 32 fixed carried by the housing 2.
  • the tongue 31 consists of a thin-walled loop connected to latch 3 by its two ends.
  • a V 34 notch is made in the thin wall of the tongue 31 in order to facilitate its deformation.
  • the tongue 31 is in press against finger 32 in each of the locking positions and for unlocking the latch 3.
  • the tongue 31 is, for each position of the latch, arranged on the suitable side of finger 32 so that said finger 32 either on the path of said tongue 31, if the latch tends to turn towards its other position.
  • the tongue 31 deforms in order to pass over it of finger 32 and resumes its initial shape as soon as it has exceeded said finger.
  • the electric motor used in the device lock according to the invention is a low power motor: the only one effort it has to provide is that allowing the deformation of the tongue 31 and enabling the inertia of the latch 3 to be overcome. For this purpose an engine developing a mechanical power of at most 10 watts is sufficient.
  • Such motors are very inexpensive and the device for locking according to the invention can thus be offered on one side reasonable since, in addition, it does not require a housing gear.
  • the latch 3 also carries a boss 33 intended to allow external mechanical action on the latch in the case of failure of the electrical installation or the engine.
  • This boss can be arranged so as to be accessible from inside the vehicle, for example from inside the luggage compartment if the device locking device according to the invention is used on the fuel door. he can also be arranged so that it is accessible from a lock cylinder.
  • the elastic tab can be fixed while the latch wears a finger.
  • the tongue could also be a simple flat tongue arranged perpendicular to the latch surface.
  • Other forms of positioning means can also be implemented, such as springs.

Description

La présente invention concerne un dispositif de verrouillage et, plus précisément, un dispositif destiné au maintien en position fermée d'un volet ouvrant.The present invention relates to a device for locking and, more specifically, a device for maintaining closed position of an opening flap.

Il est connu d'utiliser des dispositifs de verrouillage comportant un actionneur mettant en oeuvre un. moteur électrique pour assurer le verrouillage et le déverrouillage d'éléments ouvrants. Les actionneurs connus à l'heure actuelle développent usuellement une puissance importante et étant donné qu'ils comportent un moteur électrique bon marché de faible puissance, ils doivent aussi comporter un module de démultiplication, ce qui les rend onéreux (voir DE 44 29 475).It is known to use locking devices comprising an actuator implementing a. electric motor for lock and unlock opening elements. The actuators known at present usually develop a significant power and since they include a motor low power cheap electric, they should also include a reduction module, which makes them expensive (see DE 44 29 475).

La déposante a constaté que des dispositifs de verrouillage à actionneur électrique pourraient être mis en oeuvre dans de nombreuses applications si l'on fournissait un actionneur moins onéreux que ceux actuellement disponibles sur le marché. Une application intéressante consiste notamment à assurer le blocage d'une commande de verrouillage/déverrouillage, c'est-à-dire à assurer un blocage mécanique interdisant l'utilisation du moyen normal de verrouillage/déverrouillage d'un quelconque volet ouvrant. Une telle commande de verrouillage/déverrouillage peut, par exemple, empêcher le mouvement d'un volet ouvrant ou bloquer mécaniquement le mouvement de l'organe de commande dudit volet ouvrant.The applicant has found that locking devices with electric actuator could be used in many applications if one supplied an actuator less more expensive than those currently available on the market. A interesting application consists in particular in ensuring the blocking of a locking / unlocking control, i.e. ensuring mechanical blocking preventing the use of the normal means of locking / unlocking of any opening flap. Such a lock / unlock control can, for example, prevent the movement of a flap opening or mechanically blocking the movement of the control member of said opening flap.

Dans le cas d'un véhicule automobile, un tel dispositif de verrouillage/déverrouillage pourrait être mis en oeuvre pour condamner l'ouverture de la trappe à essence ou de la boíte à gants ou pour coopérer, dans une serrure de porte latérale, avec la fonction condamnation enfant ou la fonction super-condamnation.In the case of a motor vehicle, such a device locking / unlocking could be implemented to condemn the opening of the fuel flap or the glove box or to cooperate, in a side door lock, with the function child conviction or the super-conviction function.

Selon l'invention, le dispositif de verrouillage/ déverouillage sera simplement utilisé pour positionner un loquet de manière à empêcher l'ouverture du volet ouvrant ce qui ne nécessite qu'une faible puissance puisque le mouvement du loquet s'effectue sans qu'il y ait à vaincre une quelconque résistance significative ou à entraíner un mécanisme, seule l'inertie du loquet s'opposant au mouvement. According to the invention, the locking device / unlocking will simply be used to position a latch so as to prevent the opening of the opening flap which does not require low power since the movement of the latch is carried out without whether there is to overcome any significant resistance or to drive a mechanism, only the inertia of the latch opposing the movement.

A cet effet, l'invention propose donc un dispositif de verrouillage comportant un actionneur mettant en oeuvre un moteur électrique, caractérisé par le fait que ledit moteur électrique est de faible puissance et porte sur son arbre de sortie un loquet, qu'il entraíne en rotation entre deux positions dites de verrouillage et de déverrouillage, des moyens de positionnement assurant le maintien du loquet dans chacune desdites deux positions.To this end, the invention therefore provides a device for locking device comprising an actuator using a motor electric, characterized in that said electric motor is of low power and carries on its output shaft a latch, which it rotates between two positions called locking and unlocking, positioning means ensuring the maintenance of the latch in each of said two positions.

Le dispositif de verrouillage selon l'invention est encore remarquable en ce que les moyens de positionnement peuvent se composer d'une languette élastique solidaire du loquet et d'un doigt fixe, ou inversement, d'une languette élastique fixe et d'un doigt solidaire du loquet.The locking device according to the invention is also remarkable in that the positioning means can be consist of an elastic tongue secured to the latch and a finger fixed, or vice versa, with a fixed elastic tongue and a finger secured to the latch.

La languette peut avantageusement être en appui contre le doigt dans chacune des positions de verrouillage et de déverrouillage du loquet, ladite languette étant, pour chacune desdites positions du loquet, disposée du côté convenable du doigt, de sorte que ledit doigt soit sur le trajet de ladite languette ou inversement, quand on passe de la position de verrouillage à la position de déverrouillage ou inversement.The tongue can advantageously be in abutment against the finger in each of the locking and unlocking positions of the latch, said tab being, for each of said positions of the latch, arranged on the suitable side of the finger, so that said finger is on the path of said tongue or vice versa, when one passes from the locking position to the unlocking position or vice versa.

Lorsque la languette est solidaire du loquet, la languette peut être constituée d'une boucle à paroi mince raccordée au loquet par ses deux extrémités ; une encoche peut être pratiquée dans la paroi de la languette afin de faciliter la déformation de ladite languette, ladite encoche pouvant avoir une forme en V ; selon une autre réalisation, les moyens de positionnement comportent au moins un ressort.When the tongue is secured to the latch, the tongue may consist of a thin-walled loop connected to the latch by its two ends; a notch can be made in the wall of the tongue in order to facilitate the deformation of said tongue, said notch which may have a V shape; according to another embodiment, the positioning means comprise at least one spring.

Avantageusement, le loquet porte un bossage destiné à permettre une action mécanique externe dans le cas d'une défaillance de l'installation électrique ou du moteur.Advantageously, the latch carries a boss intended to allow external mechanical action in the event of a failure electrical installation or motor.

De préférence, le moteur tourne dans les deux sens selon son alimentation électrique ; une rotation d'un quart de tour du moteur assure le passage du loquet de l'une à l'autre de ses positions de verrouillage et déverrouillage.Preferably, the motor turns in both directions according to its power supply; a quarter turn rotation of the motor ensures the passage of the latch from one to the other of its positions locking and unlocking.

L'invention sera mieux comprise grâce à la description qui va suivre donnée à titre d'exemple non limitatif en se référant au dessin annexé. The invention will be better understood thanks to the description which will follow given by way of nonlimiting example with reference to the drawing Annex.

Sur ce dessin :

  • la figure 1 est une vue de dessus, partiellement en coupe horizontale, d'un dispositif selon l'invention,
  • les figures 2 et 3 sont des vues selon II-II de la figure 1 avec le loquet représenté respectivement en position de verrouillage et en position de déverrouillage.
On this drawing :
  • FIG. 1 is a top view, partially in horizontal section, of a device according to the invention,
  • Figures 2 and 3 are views along II-II of Figure 1 with the latch shown respectively in the locked position and in the unlocked position.

Dans l'exemple de réalisation représenté sur le dessin, un moteur électrique 1 est disposé dans un boítier 2 fixé sur un support 20. La fixation du boítier 2 sur le support 20 est assurée par des pions 21 du boítier, qui sont sertis dans des orifices du support 20.In the embodiment shown in the drawing, a electric motor 1 is arranged in a housing 2 fixed on a support 20. The attachment of the housing 2 to the support 20 is ensured by pins 21 of the housing, which are crimped into holes in the support 20.

Le moteur électrique 1 reçoit son alimentation électrique sur les languettes métalliques 10 et peut tourner dans les deux sens selon son alimentation.The electric motor 1 receives its electric power on metal tabs 10 and can rotate in both directions according to his diet.

L'arbre de sortie 11 dudit moteur 1 porte un loquet 3 qu'il entraíne en rotation entre les deux positions représentées respectivement sur les figures 2 et 3. La position représentée sur la figure 2 est la position de verrouillage du loquet 3, dans laquelle il maintient le volet 4 en position fermée, tandis que la position représentée sur la figure 3 est sa position de déverrouillage. Le moteur 1 entraíne le loquet dans le sens symbolisé par la flèche V pour l'amener de sa position de déverrouillage vers sa position de verrouillage et dans le sens inverse représenté par la flèche D pour l'amener dans sa position de déverrouillage.The output shaft 11 of said motor 1 carries a latch 3 which it rotates between the two positions shown respectively in Figures 2 and 3. The position shown in the Figure 2 is the latch locking position 3, in which it maintains the flap 4 in the closed position, while the position shown in Figure 3 is its unlocked position. Engine 1 drives the latch in the direction symbolized by the arrow V for bring it from its unlocking position to its lock and in the opposite direction represented by arrow D to bring it to its unlocked position.

Une rotation d'un quart de tour du moteur assure le passage du loquet 3 de l'une à l'autre de ses positions.A quarter-turn rotation of the motor ensures passage of the latch 3 from one to the other of its positions.

Le dispositif de verrouillage selon l'invention peut être utilisé sur un support 20 d'orientation quelconque.The locking device according to the invention can be used on any support of any orientation.

Selon l'invention, des moyens de positionnement assurent donc le maintien du loquet dans chacune de ses deux positions afin d'assurer la stabilité de ces positions. Les moyens de positionnement se composent d'une languette élastique 31 solidaire du loquet et d'un doigt 32 fixe porté par le boítier 2. According to the invention, positioning means ensure so keeping the latch in each of its two positions so to ensure the stability of these positions. The positioning means are consist of an elastic tongue 31 secured to the latch and a finger 32 fixed carried by the housing 2.

La languette 31 est constituée d'une boucle à paroi mince raccordée au loquet 3 par ses deux extrémités. Une encoche en V 34 est pratiquée dans la paroi mince de la languette 31 afin de faciliter sa déformation.The tongue 31 consists of a thin-walled loop connected to latch 3 by its two ends. A V 34 notch is made in the thin wall of the tongue 31 in order to facilitate its deformation.

Comme visible sur les figures 2 et 3, la languette 31 est en appui contre le doigt 32 dans chacune des positions de verrouillage et de déverrouillage du loquet 3. La languette 31 est, pour chaque position du loquet, disposée du côté convenable du doigt 32 pour que ledit doigt 32 soit sur le trajet de ladite languette 31, si le loquet a tendance à tourner en direction de son autre position.As shown in Figures 2 and 3, the tongue 31 is in press against finger 32 in each of the locking positions and for unlocking the latch 3. The tongue 31 is, for each position of the latch, arranged on the suitable side of finger 32 so that said finger 32 either on the path of said tongue 31, if the latch tends to turn towards its other position.

Lorsque le moteur est alimenté pour faire passer le loquet d'une position à l'autre, la languette 31 se déforme afin de passer au-dessus du doigt 32 et reprend sa forme initiale dès qu'elle a dépassé ledit doigt.When the motor is powered to pass the latch from one position to another, the tongue 31 deforms in order to pass over it of finger 32 and resumes its initial shape as soon as it has exceeded said finger.

Le moteur électrique mis en oeuvre dans le dispositif de verrouillage selon l'invention est un moteur de faible puissance : le seul effort qu'il ait à fournir est celui permettant la déformation de la languette 31 et permettant de vaincre l'inertie du loquet 3. A cet effet un moteur développant une puissance mécanique d'au plus 10 watts est suffisant. De tels moteurs sont très bon marché et le dispositif de verrouillage selon l'invention peut ainsi être proposé à un côté raisonnable puisque, de plus, il ne nécessite pas de boítier de démultiplication.The electric motor used in the device lock according to the invention is a low power motor: the only one effort it has to provide is that allowing the deformation of the tongue 31 and enabling the inertia of the latch 3 to be overcome. For this purpose an engine developing a mechanical power of at most 10 watts is sufficient. Such motors are very inexpensive and the device for locking according to the invention can thus be offered on one side reasonable since, in addition, it does not require a housing gear.

Le loquet 3 porte, en outre, un bossage 33 destiné à permettre une action mécanique externe sur le loquet dans le cas d'une défaillance de l'installation électrique ou du moteur. Ce bossage peut être disposé de manière à être rendu accessible de l'intérieur du véhicule, par exemple de l'intérieur du coffre à bagage si le dispositif de verrouillage selon l'invention est utilisé sur la trappe à essence. Il peut également être disposé de manière à être accessible à partir d'un barillet de serrure.The latch 3 also carries a boss 33 intended to allow external mechanical action on the latch in the case of failure of the electrical installation or the engine. This boss can be arranged so as to be accessible from inside the vehicle, for example from inside the luggage compartment if the device locking device according to the invention is used on the fuel door. he can also be arranged so that it is accessible from a lock cylinder.

D'autres dispositions pourraient bien entendu être proposées sans sortir du cadre de la présente invention, selon les revendications annexées. A titre d'exemple, la languette élastique peut être fixe tandis que le loquet porte un doigt. La languette pourrait également être une simple languette plane disposée perpendiculairement à la surface du loquet. D'autres formes de moyens de positionnement peuvent également être mises en oeuvre, telles que des ressorts.Other provisions could of course be proposed without departing from the scope of the present invention, according to the appended claims. As example, the elastic tab can be fixed while the latch wears a finger. The tongue could also be a simple flat tongue arranged perpendicular to the latch surface. Other forms of positioning means can also be implemented, such as springs.

Claims (10)

  1. A locking device comprising an actuator controlling an electric motor (1), characterised by the fact that the said electric motor (1) is of low power and carries on its shaft (11) a latch (3) which it rotates between two positions namely a locking and an unlocking position, with positioning means (31, 32) holding the latch (3) in each of the said two positions.
  2. A locking device according to Claim 1, characterised by the fact that the positioning means consist of an elastic tongue (31) and a finger (32) co-operating with the said tongue, one of these being fixed and the other being joined to the latch (3).
  3. A locking device according to Claim 2, characterised by the fact that the tongue (31) is in engagement against the finger (32) in each of the locking and unlocking positions of the latch (3), the tongue (31) being, for each of the said positions of the latch, disposed on the appropriate side of the finger (32), whereby the said finger (32) is in the path of the said tongue (31) or vice versa, when the latch passes from the locking position to the unlocking position or vice versa.
  4. A locking device according to Claim 2 or Claim 3, in which the tongue (31) is fixed with respect to the latch (3), characterised by the fact that the said tongue (31) consists of a thin-walled loop element joined to the latch (3) at each end.
  5. A locking device according to one of Claims 2 to 4, characterised by the fact that a notch (34) is formed in the wall of the tongue (31) to facilitate its deformation.
  6. A locking device according to Claim 5, characterised by the fact that the said notch (34) is V-shaped.
  7. A locking device according to Claim 1, characterised by the fact that the positioning means comprise at least one spring.
  8. A locking device according to one of Claims 1 to 7, characterised by the fact that the latch (3) carries a boss (33) adapted to permit external mechanical actuation in the event of failure of either the electrical installation or the motor.
  9. A locking device according to one of Claims 1 to 8, characterised by the fact that the motor (1) is rotatable in both directions, according to its electrical supply.
  10. A locking device according to Claim 9. characterised by the fact that rotation of the motor through a quarter turn causes the latch to shift from one of its positions to the other.
EP19970403023 1997-01-17 1997-12-12 Locking/unlocking means comprising a low cost actuator Expired - Lifetime EP0854260B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9700481 1997-01-17
FR9700481A FR2758584B1 (en) 1997-01-17 1997-01-17 LOCKING / UNLOCKING DEVICE COMPRISING A LOW COST ACTUATOR

Publications (2)

Publication Number Publication Date
EP0854260A1 EP0854260A1 (en) 1998-07-22
EP0854260B1 true EP0854260B1 (en) 2003-03-26

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Application Number Title Priority Date Filing Date
EP19970403023 Expired - Lifetime EP0854260B1 (en) 1997-01-17 1997-12-12 Locking/unlocking means comprising a low cost actuator

Country Status (4)

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EP (1) EP0854260B1 (en)
DE (1) DE69720178T2 (en)
ES (1) ES2196280T3 (en)
FR (1) FR2758584B1 (en)

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NZ520857A (en) * 2002-08-19 2005-05-27 Neil Richard Hingston Electric lock
US7900979B2 (en) * 2003-06-27 2011-03-08 Illinois Tool Works, Inc. Low power consumption lock for appliance latch
US7252311B2 (en) * 2003-09-17 2007-08-07 Hartwell Corporation Motor driven latch
DE202012002858U1 (en) * 2012-03-20 2013-06-24 Kiekert Ag Motor vehicle door lock
CN105672774A (en) * 2016-02-01 2016-06-15 赵百华 Antitheft mortise lock for room door

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US3722938A (en) * 1971-03-22 1973-03-27 Sargent & Co Emergency exit door unlatching actuator
DE3412959A1 (en) * 1984-04-06 1985-10-24 Neiman GmbH, 5657 Haan DEVICE FOR CLOSING A MOTOR VEHICLE DOOR
FR2592912B1 (en) * 1986-01-10 1990-11-02 Brunam Controle Sarl SECURITY DEVICE FOR REMOTE LOCKING AND UNLOCKING OF A MOBILE MEMBER, ESPECIALLY AN ANTIPANIC BAR.
DE8808718U1 (en) * 1988-07-07 1989-11-02 Schmale Gmbh & Co Kg, 5880 Luedenscheid, De
DE4429475A1 (en) * 1994-08-19 1996-02-22 Reiner G Szperkowski Auxiliary security lock for motor vehicle doors e.g. front and rear doors

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DE69720178D1 (en) 2003-04-30
DE69720178T2 (en) 2003-10-23
ES2196280T3 (en) 2003-12-16
FR2758584B1 (en) 1999-03-26
FR2758584A1 (en) 1998-07-24
EP0854260A1 (en) 1998-07-22

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