EP2935729B1 - Key having a retractable insert with limited clearance - Google Patents

Key having a retractable insert with limited clearance Download PDF

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Publication number
EP2935729B1
EP2935729B1 EP13808015.5A EP13808015A EP2935729B1 EP 2935729 B1 EP2935729 B1 EP 2935729B1 EP 13808015 A EP13808015 A EP 13808015A EP 2935729 B1 EP2935729 B1 EP 2935729B1
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EP
European Patent Office
Prior art keywords
support
key
insert
shell
bit
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.)
Active
Application number
EP13808015.5A
Other languages
German (de)
French (fr)
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EP2935729A1 (en
Inventor
Benoît DELANDE
Karim NAMAR
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
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Publication date
Application filed by Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Publication of EP2935729A1 publication Critical patent/EP2935729A1/en
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Publication of EP2935729B1 publication Critical patent/EP2935729B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/04—Construction of the bow or head of the key; Attaching the bow to the shank
    • E05B19/043—Construction of the bow or head of the key; Attaching the bow to the shank the shank being pivotably mounted on the bow, e.g. for storage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8432—For key-operated mechanism
    • Y10T70/8676—Key holders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8432—For key-operated mechanism
    • Y10T70/8676—Key holders
    • Y10T70/8757—Releasable catches

Definitions

  • the present invention relates to a key, including a motor vehicle key, having a retractable insert whose play is limited when the key is deployed.
  • the field of the invention is, in general, that of the keys with retractable insert.
  • Such keys are frequently used in the automotive field because they offer the particular advantage of having a small footprint when they are not used: indeed, such keys can adopt either a rest position, in which the bit of the key is folded into the body of said key, a position of use, wherein the insert out of the body of the key to be introduced into a lock.
  • the key 1 represented on the Figures 1-A to 1-D comprises: a housing 3 forming a key head, an insert 5.7 comprising a bit holder 5 and a bit 7 integral with the support 5, and a mechanism for deploying the insert 5, 7 with respect to the case 3 to allow a displacement of the insert 5.7 between: a rest position ( Figures 1-C, 1-D ) in which the insert 5,7 is retracted into the housing 3 in a recess 9 provided inside the housing 3, for example in a substantially L-shaped shape corresponding to the shape of the insert 5, 7, and a position of use ( figure 1-A ), wherein the insert 5, 7 is deployed relative to the housing 3 to be inserted into a lock.
  • the insert 5.7 is most often made of Zamak (zinc / magnesium / aluminum / copper alloy).
  • the housing 3 is made in two parts in the form of an upper half-shell 3a forming a lid, having an inner face 41, and a lower half-shell 3b forming a bottom housing, having a inner face 40.
  • the inner face 40 of the housing base 3b and the inner face 41 of the lid 3b are thus facing one another.
  • the two half-shells 3a, 3b can be assembled for example by clipping.
  • a seal may be disposed between the two half-shells 3a, 3b to protect the interior of the housing 3 against the external environment, particularly against moisture or dust.
  • a decorative belt (not shown) disposed between the two half-shells 3a, 3b to embellish the assembly.
  • the key 1 can also combine a mechanical key and an electronic key.
  • a printed circuit board (not shown) is disposed in the housing 3.
  • This board carries the remote control electronic circuits for central locking / unlocking of the vehicle doors, and a transponder (not shown) for the anti-theft system of the vehicle and a battery (not shown) for the remote control function.
  • This remote control function is operated by the operator by means of actuating buttons 11 provided on the upper half-shell 3a.
  • the support 5 has two opposite ends 5a, 5b, the end 5a carries the bit 7.
  • one end of the bit 7 can be fitted into a complementary housing (not shown) at the end 5a 5.
  • the support 5 / bit assembly 7 is held fixed for example by a pin (not shown) through holes 17 formed on the support 5 and the bit 7.
  • the bit 7 can be fixed to the support 5 by any other appropriate means.
  • the deployment mechanism of the insert 5, 7 comprises: a push button 19 received in an associated housing 21 of the upper half-shell 3a and passing through an orifice 6 of the support 5, the push button 19 protruding relative to to the upper half-shell 3a so as to be accessible to a user so that he can operate this push button 19 to deploy the insert 5, 7, and an elastic return member 23 fixed by a first end 23a to the insert 5.7 and a second end 23b to an element locked in rotation relative to the housing 3, to bias the insert 5.7 pivotally to the position of use when the push button 19 is actuated.
  • This return element 23 is a helical torsion spring.
  • This stop means may comprise a stop pin formed in the support 5 on which the push button 19 comes into contact at the end of the stroke, so that the translational movement of the push button 19 is stopped before this last reaches the bottom wall of the support 5.
  • the support 5 has at its bottom a recess ( figure 1-D ), for example according to a circular arc greater than 180 °, and the stop means comprises a stop pin 15 ( Figure 1-C ) coming from the lower half-shell 3b and fitting into the support 5 at this arc.
  • This stop pad 15 further has a recess for defining a surface 15a of contact with the push button 19 at the end of the race.
  • the push button 19 comprises means for locking the push button in rotation relative to the housing 3. This locking means forms a guide of the push button 19 in axial translation along the longitudinal axis A of the push button 19 and is realized in one piece with the push button 19.
  • this means of guide blocking comprises at least one guide pin 25 which projects outwardly from the outer surface of the pushbutton 19. It can be provided that the pushbutton 19 has two diametrically opposite guide pins 25 or three regularly distributed guide pins 25 for optimized translation guidance.
  • the free volume of the key 1 is defined as the internal volume of the key occupied by the insert 5, 7 when the key is in the rest position.
  • the bit support rotates about the longitudinal axis A in a portion of this free volume when moving from the rest position to the use position and vice versa.
  • the part of the free volume in which evolves, when moving from the rest position to the position of use of the key and vice versa, the support 5 of the bit 7 is designated as the evolution volume of the support 5. It is delimited by a portion of the inner face 41, said high evolution zone 43 of the support 5, the upper half-shell 3a and a part of the inner face 40, called the low evolution zone 42 of the support 5, of the lower half-shell 3b.
  • All constituted by the high evolution zone 43 and the low evolution zone 42 is designated by the expression "evolution sector" of the support 5 of the bit 7.
  • the high evolution zone 43 of the support 5 has a flange 44
  • the low evolution zone 42 has a low rim 45, the blade 7 protruding, in the position of use, at the top edge 44 and the bottom edge 45 in the position of use of the key .
  • the top flange 44 and the bottom flange 45 both extend between a first end, called the end of rotation 46 of the key 1 - the rotation of the bit 7 around the longitudinal axis A is at the end rotation 46, and a second end, said locking end 47 of the key 1, said locking end 47 marking the stop of the bit 1 during its passage from the rest position to the position of use.
  • Such a game can present several problems; on the one hand it causes premature wear of the opening / closing mechanism of the insert, because of the friction it induces; on the other hand, it gives an impression of fragility of the key to the user.
  • the keys concerned by the invention are in particular those described above with reference to the Figures 1-A to 1-D and 2-A to 2-B . However, they may differ in particular in the deployment mechanism used to move from a rest position to a position of use.
  • the overall structure of the keys according to the invention is similar to that of the preceding figures.
  • the housing 3 can be found, the insert comprising the bit support 5 and the bit 7 secured to the support 5, the upper half-shell 3a forming a cover, having an inner face 41, and the half lower shell 3b forming a housing bottom, having the inner face 40, the longitudinal axis A, the push button 19, the high evolution zone 43 of the support 5, the low evolution zone 42 of the support 5, the rim high 44, the bottom flange 45, the rotational end 46, the locking end 47 of the key 1.
  • the problem of lateral clearance is solved by ensuring that the high evolution zone 43 of the support 5 and the low evolution zone 42 of the support 5 are no longer strictly parallel.
  • at least one narrowing point is introduced at the level of the high evolution zone 43 in order to limit a second clearance 32 existing between the support 5 and the high evolution zone of the support 5, with respect to a first set 31 existing between the end of rotation 46 and the support 5.
  • the first set 31 must remain relatively important because it is located in an area where there is a high mechanical pressure when the user presses the push button 19, and it is necessary not to block the rotation of the insert during the transition from the rest position to the position of use.
  • the narrowing point is not placed directly on the flange 44, but towards the inside of the key, while still remaining on the high evolution zone 43 of the support 5.
  • the second set 32 it is expected to lower the second set 32 to a value substantially equal to 0.05 millimeters, the first set 31 having a value of 0.2 millimeters.

Landscapes

  • Lock And Its Accessories (AREA)

Description

La présente invention se rapporte à une clé, notamment une clé de véhicule automobile, présentant un insert escamotable dont le jeu est limité lorsque la clé est déployée.The present invention relates to a key, including a motor vehicle key, having a retractable insert whose play is limited when the key is deployed.

Le domaine de l'invention est, d'une manière générale, celui des clés à insert escamotable. De telles clés sont fréquemment utilisées dans le domaine automobile car elles offrent notamment l'avantage de présenter un encombrement réduit lorsqu'elles ne sont pas utilisées : en effet, de telles clés peuvent adopter soit une position de repos, dans laquelle le panneton de la clé est replié dans le corps de ladite clé, soit une position d'utilisation, dans laquelle l'insert sort du corps de la clé afin d'être introduit dans une serrure.The field of the invention is, in general, that of the keys with retractable insert. Such keys are frequently used in the automotive field because they offer the particular advantage of having a small footprint when they are not used: indeed, such keys can adopt either a rest position, in which the bit of the key is folded into the body of said key, a position of use, wherein the insert out of the body of the key to be introduced into a lock.

Un tel exemple de clé est donné aux figures 1-A à 1-D, et par exemple connu du document WO 2011/061279 .Such an example of a key is given to Figures 1-A to 1-D , and for example known from the document WO 2011/061279 .

La clé 1 représentée sur les figures 1-A à 1-D comporte : un boîtier 3 formant tête de clé, un insert 5,7 comprenant un support de panneton 5 et un panneton 7 solidaire du support 5, et un mécanisme de déploiement de l'insert 5, 7 par rapport au boîtier 3 pour permettre un déplacement de l'insert 5,7 entre : une position de repos (figures 1-C, 1-D) dans laquelle l'insert 5,7 est escamoté dans le boîtier 3 dans un décrochement 9 prévu à l'intérieur du boîtier 3, par exemple selon une forme sensiblement en L correspondant à la forme de l'insert 5, 7, et une position d'utilisation (figure 1-A), dans laquelle l'insert 5, 7 est déployé par rapport au boîtier 3 pour pouvoir être inséré dans une serrure. L'insert 5,7 est le plus souvent réalisé en Zamak (alliage Zinc/magnésium/aluminium/cuivre).The key 1 represented on the Figures 1-A to 1-D comprises: a housing 3 forming a key head, an insert 5.7 comprising a bit holder 5 and a bit 7 integral with the support 5, and a mechanism for deploying the insert 5, 7 with respect to the case 3 to allow a displacement of the insert 5.7 between: a rest position ( Figures 1-C, 1-D ) in which the insert 5,7 is retracted into the housing 3 in a recess 9 provided inside the housing 3, for example in a substantially L-shaped shape corresponding to the shape of the insert 5, 7, and a position of use ( figure 1-A ), wherein the insert 5, 7 is deployed relative to the housing 3 to be inserted into a lock. The insert 5.7 is most often made of Zamak (zinc / magnesium / aluminum / copper alloy).

Dans l'exemple illustré, le boîtier 3 est réalisé en deux parties sous la forme d'une demi-coquille supérieure 3a formant couvercle, présentant une face intérieure 41, et d'une demi-coquille inférieure 3b formant fond de boîtier, présentant une face intérieure 40. La face intérieure 40 du fond de boîtier 3b et la face intérieure 41 du couvercle 3b sont ainsi en regard l'une de l'autre. Les deux demi-coquilles 3a, 3b peuvent être assemblées par exemple par clipsage. Un joint d'étanchéité (non représenté) peut être disposé entre les deux demi-coquilles 3a, 3b pour assurer la protection de l'intérieur du boîtier 3 contre l'environnement extérieur, en particulier contre l'humidité ou la poussière. On peut prévoir encore une ceinture de décoration (non représentée) disposée entre les deux demi-coquilles 3a, 3b pour enjoliver l'ensemble.In the illustrated example, the housing 3 is made in two parts in the form of an upper half-shell 3a forming a lid, having an inner face 41, and a lower half-shell 3b forming a bottom housing, having a inner face 40. The inner face 40 of the housing base 3b and the inner face 41 of the lid 3b are thus facing one another. The two half-shells 3a, 3b can be assembled for example by clipping. A seal (not shown) may be disposed between the two half-shells 3a, 3b to protect the interior of the housing 3 against the external environment, particularly against moisture or dust. We can still predict a decorative belt (not shown) disposed between the two half-shells 3a, 3b to embellish the assembly.

La clé 1 peut également combiner une clé mécanique et une clé électronique. Dans ce cas, une carte électronique à circuit imprimé (non représentée) est disposée dans le boîtier 3. Cette carte porte les circuits électroniques de télécommande pour le verrouillage / déverrouillage centralisé des ouvrants du véhicule, ainsi qu'un transpondeur (non représenté) pour le système anti-vol du véhicule et une pile d'alimentation (non représentée) pour la fonction de télécommande. Cette fonction de télécommande est actionnée par l'opérateur par le biais de boutons d'actionnement 11 prévus sur la demi-coquille supérieure 3a.The key 1 can also combine a mechanical key and an electronic key. In this case, a printed circuit board (not shown) is disposed in the housing 3. This board carries the remote control electronic circuits for central locking / unlocking of the vehicle doors, and a transponder (not shown) for the anti-theft system of the vehicle and a battery (not shown) for the remote control function. This remote control function is operated by the operator by means of actuating buttons 11 provided on the upper half-shell 3a.

En outre, le support 5 comporte deux extrémités 5a, 5b opposées, dont l'extrémité 5a porte le panneton 7. Pour cela, une extrémité du panneton 7 peut être emboîtée dans un logement complémentaire (non représenté) au niveau de l'extrémité 5a du support 5. L'ensemble support 5 / panneton 7 est maintenu fixe par exemple par une goupille (non représentée) traversant des trous 17 ménagés sur le support 5 et le panneton 7. Bien entendu, le panneton 7 peut être fixé au support 5 par tout autre moyen approprié. Par ailleurs, le mécanisme de déploiement de l'insert 5, 7 comprend : un bouton poussoir 19 reçu dans un logement 21 associé de la demi-coquille supérieure 3a et traversant un orifice 6 du support 5, le bouton poussoir 19 faisant saillie par rapport à la demi-coquille supérieure 3a de façon à être accessible à un utilisateur pour qu'il puisse actionner ce bouton poussoir 19 pour déployer l'insert 5, 7, et un élément de rappel élastique 23 fixé par une première extrémité 23a à l'insert 5,7 et par une seconde extrémité 23b à un élément bloqué en rotation par rapport au boîtier 3, pour solliciter l'insert 5,7 en pivotement vers la position d'utilisation lorsque le bouton poussoir 19 est actionné. Cet élément de rappel 23 est un ressort hélicoïdal de torsion. Lorsque le bouton poussoir 19 est actionné par l'utilisateur, le bouton poussoir 19 est entraîné en translation axiale selon l'axe longitudinal A au sein du support 5.In addition, the support 5 has two opposite ends 5a, 5b, the end 5a carries the bit 7. For this, one end of the bit 7 can be fitted into a complementary housing (not shown) at the end 5a 5. The support 5 / bit assembly 7 is held fixed for example by a pin (not shown) through holes 17 formed on the support 5 and the bit 7. Of course, the bit 7 can be fixed to the support 5 by any other appropriate means. Furthermore, the deployment mechanism of the insert 5, 7 comprises: a push button 19 received in an associated housing 21 of the upper half-shell 3a and passing through an orifice 6 of the support 5, the push button 19 protruding relative to to the upper half-shell 3a so as to be accessible to a user so that he can operate this push button 19 to deploy the insert 5, 7, and an elastic return member 23 fixed by a first end 23a to the insert 5.7 and a second end 23b to an element locked in rotation relative to the housing 3, to bias the insert 5.7 pivotally to the position of use when the push button 19 is actuated. This return element 23 is a helical torsion spring. When the push button 19 is actuated by the user, the push button 19 is driven in axial translation along the longitudinal axis A within the support 5.

Afin d'éviter que le bouton poussoir 19 ne vienne en butée contre la paroi de fond du support 5 en fin de course, on peut prévoir un moyen d'arrêt du bouton poussoir 19. Ce moyen d'arrêt peut comporter un plot d'arrêt ménagé dans le support 5 sur lequel le bouton poussoir 19 vient en contact en fin de course, de sorte que le mouvement de translation du bouton poussoir 19 est stoppé avant que ce dernier n'atteigne la paroi de fond du support 5. Dans le mode de réalisation illustré sur les figures 1-C et 1-D, le support 5 présente en son fond un évidement (figure 1-D), par exemple selon un arc de cercle supérieur à 180°, et le moyen d'arrêt comporte un plot d'arrêt 15 (figure 1-C) venu de la demi-coquille inférieure 3b et s'insérant dans le support 5 au niveau de cet arc de cercle. Ce plot d'arrêt 15 présente de plus un décrochement permettant de définir une surface 15a de contact avec le bouton poussoir 19 en fin de course. En outre, le bouton poussoir 19 comporte un moyen de blocage en rotation du bouton poussoir par rapport au boîtier 3. Ce moyen de blocage forme un guide du bouton poussoir 19 en translation axiale selon l'axe longitudinal A du bouton poussoir 19 et est réalisé d'une seule pièce avec le bouton poussoir 19.In order to prevent the push button 19 from coming into abutment against the bottom wall of the support 5 at the end of the stroke, it is possible to provide a means for stopping the button Pusher 19. This stop means may comprise a stop pin formed in the support 5 on which the push button 19 comes into contact at the end of the stroke, so that the translational movement of the push button 19 is stopped before this last reaches the bottom wall of the support 5. In the embodiment illustrated in FIGS. Figures 1-C and 1-D , the support 5 has at its bottom a recess ( figure 1-D ), for example according to a circular arc greater than 180 °, and the stop means comprises a stop pin 15 ( Figure 1-C ) coming from the lower half-shell 3b and fitting into the support 5 at this arc. This stop pad 15 further has a recess for defining a surface 15a of contact with the push button 19 at the end of the race. In addition, the push button 19 comprises means for locking the push button in rotation relative to the housing 3. This locking means forms a guide of the push button 19 in axial translation along the longitudinal axis A of the push button 19 and is realized in one piece with the push button 19.

Ainsi, c'est le bouton poussoir 19 qui permet à la fois d'enclencher le mécanisme de déploiement, de guider le bouton poussoir 19 en translation, et de bloquer en rotation le bouton poussoir 19. Dans l'exemple illustré, ce moyen de blocage formant guide comporte au moins un ergot de guidage 25 qui s'étend en saillie vers l'extérieur en partant de la surface externe du bouton poussoir 19. On peut prévoir que le bouton poussoir 19 comporte deux ergots de guidage 25 diamétralement opposés ou encore trois ergots de guidage 25 régulièrement répartis pour un guidage en translation optimisé.Thus, it is the push button 19 which allows both to engage the deployment mechanism, to guide the push button 19 in translation, and to lock in rotation the push button 19. In the illustrated example, this means of guide blocking comprises at least one guide pin 25 which projects outwardly from the outer surface of the pushbutton 19. It can be provided that the pushbutton 19 has two diametrically opposite guide pins 25 or three regularly distributed guide pins 25 for optimized translation guidance.

On définit par volume libre de la clé 1 le volume intérieur de la clé occupé par l'insert 5, 7 lorsque la clé est en position de repos. Le support du panneton évolue en rotation autour de l'axe longitudinal A dans une partie de ce volume libre lorsqu'on passe de la position de repos à la position d'utilisation et vice-versa. La partie du volume libre dans laquelle évolue, lors du passage de la position de repos à la position d'utilisation de la clé et vice-versa, le support 5 du panneton 7 est désigné comme le volume d'évolution du support 5. Il est délimité par une partie de la face intérieure 41, dite zone d'évolution haute 43 du support 5, de la demi-coque supérieure 3a et une partie de la face intérieure 40, dite zone d'évolution basse 42 du support 5, de la demi-coque inférieure 3b. L'ensemble constitué par la zone d'évolution haute 43 et de la zone d'évolution basse 42 est désigné par l'expression "secteur d'évolution" du support 5 du panneton 7. La zone d'évolution haute 43 du support 5 présente un rebord haut 44, et la zone d'évolution basse 42 présente un rebord bas 45, le panneton 7 faisant saillie, dans la position d'utilisation, au niveau du rebord haut 44 et du rebord bas 45 dans la position d'utilisation de la clé. Le rebord haut 44 et le rebord bas 45 s'étendent tous les deux entre une première extrémité, dite extrémité de rotation 46 de la clé 1 - la rotation du panneton 7 autour de l'axe longitudinal A se faisant au niveau de l'extrémité de rotation 46, et une deuxième extrémité, dite extrémité de blocage 47 de la clé 1, ladite extrémité de blocage 47 marquant l'arrêt du panneton 1 lors de son passage de la position de repos à la position d'utilisation.The free volume of the key 1 is defined as the internal volume of the key occupied by the insert 5, 7 when the key is in the rest position. The bit support rotates about the longitudinal axis A in a portion of this free volume when moving from the rest position to the use position and vice versa. The part of the free volume in which evolves, when moving from the rest position to the position of use of the key and vice versa, the support 5 of the bit 7 is designated as the evolution volume of the support 5. It is delimited by a portion of the inner face 41, said high evolution zone 43 of the support 5, the upper half-shell 3a and a part of the inner face 40, called the low evolution zone 42 of the support 5, of the lower half-shell 3b. All constituted by the high evolution zone 43 and the low evolution zone 42 is designated by the expression "evolution sector" of the support 5 of the bit 7. The high evolution zone 43 of the support 5 has a flange 44, and the low evolution zone 42 has a low rim 45, the blade 7 protruding, in the position of use, at the top edge 44 and the bottom edge 45 in the position of use of the key . The top flange 44 and the bottom flange 45 both extend between a first end, called the end of rotation 46 of the key 1 - the rotation of the bit 7 around the longitudinal axis A is at the end rotation 46, and a second end, said locking end 47 of the key 1, said locking end 47 marking the stop of the bit 1 during its passage from the rest position to the position of use.

Dans les clés du type de celle qui vient d'être décrite, lorsqu'elles sont en position d'utilisation, on constate, comme illustré à la figure 2-A et à la figure 2-B, l'existence d'un jeu 48 relativement important au niveau de l'extrémité du panneton 7 déployé. Il s'agit ici d'un jeu dans une direction, dite direction latérale, perpendiculaire à la direction de fermeture de l'insert.In the keys of the type just described, when in the position of use, it can be seen, as illustrated in FIG. figure 2-A and at the Figure 2-B , the existence of a relatively large clearance 48 at the end of the bit 7 deployed. This is a game in a direction, said lateral direction perpendicular to the closing direction of the insert.

Un tel jeu peut présenter plusieurs problèmes ; d'une part il entraine une usure prématurée du mécanisme d'ouverture/fermeture de l'insert, du fait des frottements qu'il induit ; d'autre part, il donne une impression de fragilité de la clé à l'utilisateur.Such a game can present several problems; on the one hand it causes premature wear of the opening / closing mechanism of the insert, because of the friction it induces; on the other hand, it gives an impression of fragility of the key to the user.

L'objet de l'invention vise à résoudre les problèmes qui viennent d'être mentionnés. Dans l'invention, on propose une clé avec un insert escamotable présentant un jeu limité au niveau de l'extrémité du panneton. A cet effet, on prévoit dans l'invention de modifier la structure de certaines parties des clés à insert escamotable. L'invention se rapporte ainsi essentiellement à une clé, notamment pour véhicule automobile, comportant :

  • un boitier, avec une demi-coquille supérieure formant couvercle et une demi-coquille inférieure formant fond de boitier ;
  • un insert, comportant un panneton et un support de panneton, monté pivotant par rapport audit boitier entre une position de repos dans laquelle l'insert est escamoté dans ledit boitier et une position d'utilisation dans laquelle l'insert est déployé par rapport audit boitier ;
  • un mécanisme de déploiement de l'insert monté dans ledit boitier comprenant notamment un bouton poussoir;
  • un rebord haut d'une zone d'évolution haute, comprise dans une face intérieure de la demi-coque supérieure, du support et un rebord bas d'une zone d'évolution basse, comprise dans une face intérieure de la demi-coque inférieure, du support, le rebord haut et le rebord bas s'étendant entre une extrémité de rotation de la clé et une extrémité de blocage, la zone d'évolution haute et la zone d'évolution basse formant un secteur d'évolution du support ;
  • un premier jeu entre l'extrémité de rotation et le support;
caractérisée en ce que le secteur d'évolution du support comporte au moins un point de rétrécissement présentant avec ledit support un deuxième jeu inférieur au premier jeu.The object of the invention is to solve the problems just mentioned. In the invention, there is provided a key with a retractable insert having a limited play at the end of the bit. For this purpose, it is provided in the invention to modify the structure of certain parts of the keys with retractable insert. The invention thus relates essentially to a key, particularly for a motor vehicle, comprising:
  • a case, with an upper half-shell forming a lid and a lower half-shell forming a case bottom;
  • an insert, comprising a bit and a bit holder, pivotally mounted relative to said case between a rest position in which the insert is retracted into said housing and a position of use in which the insert is deployed relative to said housing;
  • a deployment mechanism of the insert mounted in said housing including a push button;
  • a top edge of a high evolution zone, comprised in an inner face of the upper half-shell, of the support and a low rim of a low evolution zone, included in an inner face of the lower half-shell of the support, the top flange and the bottom flange extending between a rotational end of the key and a locking end, the high evolution zone and the low evolution zone forming an evolution sector of the support;
  • a first game between the end of rotation and the support;
characterized in that the sector of evolution of the support comprises at least one narrowing point having with said support a second clearance lower than the first set.

Outre les caractéristiques principales qui viennent d'être mentionnées dans le paragraphe précédent, la clé selon l'invention peut présenter une ou plusieurs caractéristiques complémentaires parmi les suivantes, considérées individuellement ou selon les combinaisons techniquement possibles :

  • le point de rétrécissement est disposé au niveau d'une extrémité de blocage du rebord haut et/ou du rebord bas;
  • au moins une partie de la zone d'évolution haute du support est inclinée par rapport à la zone d'évolution basse ;
  • le point de rétrécissement n'est présent ni au niveau du rebord haut, , ni au niveau du rebord bas, du secteur d'évolution du support de panneton;
  • le premier jeu est de l'ordre de 0,2 millimètres. Il peut ainsi varier de plus ou moins dix pour cent par rapport à 0,2 millimètres.
  • le deuxième jeu est de l'ordre de 0,05 millimètres. Il peut ainsi varier de plus ou moins dix pour cent par rapport à 0,05 millimètres.
In addition to the main features that have just been mentioned in the preceding paragraph, the key according to the invention may have one or more additional characteristics among the following, considered individually or according to the technically possible combinations:
  • the narrowing point is disposed at a locking end of the top flange and / or the bottom flange;
  • at least a portion of the high evolution zone of the support is inclined relative to the low evolution zone;
  • the narrowing point is present neither at the top flange, nor at the bottom flange, the sector of evolution of the bit support;
  • the first game is of the order of 0.2 millimeters. It can thus vary by more or less ten percent compared to 0.2 millimeters.
  • the second game is of the order of 0.05 millimeters. It can thus vary by more or less ten percent compared to 0.05 millimeters.

D'autres caractéristiques et avantages de l'invention apparaîtront plus clairement à la lecture de la description suivante, donnée à titre d'exemple illustratif et non limitatif, et des dessins annexés parmi lesquels:

  • la figure 1-A représente une clé selon l'état de la technique ;
  • la figure 1-B représente la demi-coquille supérieure du boîtier de la clé de la figure 1-A ;
  • la figure 1-C représente une vue éclatée de la clé de la figure 1-A ;
  • la figure 1-D est une perspective de dessous de la figure 1-C ;
  • la figure 2-A est une première vue en perspective d'une clé de l'état de la technique illustrant un problème de jeu latéral ;
  • la figure 2-B est une deuxième vue en perspective d'une clé de l'état de la technique illustrant le problème de jeu latéral ;
  • la figure 3 est une représentation schématique d'un premier exemple de réalisation d'une clé selon l'invention ;
  • la figure 4 est une représentation schématique d'un deuxième exemple de réalisation selon l'invention.
Other features and advantages of the invention will emerge more clearly on reading the following description, given by way of illustrative and nonlimiting example, and the appended drawings among which:
  • the figure 1-A represents a key according to the state of the art;
  • the figure 1-B represents the upper half-shell of the key housing of the figure 1-A ;
  • the Figure 1-C represents an exploded view of the key of the figure 1-A ;
  • the figure 1-D is a perspective from below the Figure 1-C ;
  • the figure 2-A is a first perspective view of a key of the state of the art illustrating a problem of lateral play;
  • the Figure 2-B is a second perspective view of a key of the state of the art illustrating the problem of lateral play;
  • the figure 3 is a schematic representation of a first embodiment of a key according to the invention;
  • the figure 4 is a schematic representation of a second embodiment of the invention.

Pour plus de clarté, les éléments identiques ou similaires sont repérés par des signes de référence identiques sur l'ensemble des figures.For the sake of clarity, identical or similar elements are marked with identical reference signs throughout the figures.

A titre d'exemple uniquement, on a représenté un cas de figure où les jeux intervenant entre le corps de la clé et le support du panneton sont présents au niveau de la demi-coquille supérieure ; dans d'autres exemples de réalisation de l'invention, de tels jeux pourraient bien évidemment être présents au niveau de la demi-coquille inférieure, ou même des deux demi-coquilles, inférieure et supérieure.By way of example only, there is shown a case in which games occurring between the body of the key and the support of the bit are present at the upper half-shell; in other embodiments of the invention, such games could obviously be present at the lower half-shell, or even both half-shells, lower and upper.

Les clés concernées par l'invention sont notamment celles décrites précédemment en référence aux figures 1-A à 1-D et 2-A à 2-B. Elles peuvent cependant différer notamment au niveau du mécanisme de déploiement utilisé pour passer d'une position de repos à une position d'utilisation. La structure globale des clés selon l'invention est semblable à celle des figures précédentes.The keys concerned by the invention are in particular those described above with reference to the Figures 1-A to 1-D and 2-A to 2-B . However, they may differ in particular in the deployment mechanism used to move from a rest position to a position of use. The overall structure of the keys according to the invention is similar to that of the preceding figures.

On retrouve notamment dans les clés selon l'invention le boîtier 3, l'insert comprenant le support de panneton 5 et le panneton 7 solidaire du support 5, la demi-coquille supérieure 3a formant couvercle, présentant une face intérieure 41, et la demi-coquille inférieure 3b formant fond de boîtier, présentant la face intérieure 40, l'axe longitudinal A, le bouton poussoir 19, la zone d'évolution haute 43 du support 5, la zone d'évolution basse 42 du support 5, le rebord haut 44, le rebord bas 45, l'extrémité de rotation 46, l'extrémité de blocage 47 de la clé 1.In the keys according to the invention, the housing 3 can be found, the insert comprising the bit support 5 and the bit 7 secured to the support 5, the upper half-shell 3a forming a cover, having an inner face 41, and the half lower shell 3b forming a housing bottom, having the inner face 40, the longitudinal axis A, the push button 19, the high evolution zone 43 of the support 5, the low evolution zone 42 of the support 5, the rim high 44, the bottom flange 45, the rotational end 46, the locking end 47 of the key 1.

Dans l'invention, on résout le problème de jeu latéral en faisant en sorte que la zone d'évolution haute 43 du support 5 et la zone d'évolution basse 42 du support 5 ne soient plus strictement parallèles. A cette fin, on introduit au moins un point de rétrécissement au niveau de la zone d'évolution haute 43 afin de limiter un deuxième jeu 32, existant entre le support 5 et la zone d'évolution haute du support 5, par rapport à un premier jeu 31 existant entre l'extrémité de rotation 46 et le support 5. Le premier jeu 31 doit rester relativement important car il est situé dans une zone où existe une forte pression mécanique lorsque l'utilisateur presse le bouton poussoir 19, et il est nécessaire de ne pas bloquer la rotation de l'insert lors du passage de la position de repos à la position d'utilisation.In the invention, the problem of lateral clearance is solved by ensuring that the high evolution zone 43 of the support 5 and the low evolution zone 42 of the support 5 are no longer strictly parallel. To this end, at least one narrowing point is introduced at the level of the high evolution zone 43 in order to limit a second clearance 32 existing between the support 5 and the high evolution zone of the support 5, with respect to a first set 31 existing between the end of rotation 46 and the support 5. The first set 31 must remain relatively important because it is located in an area where there is a high mechanical pressure when the user presses the push button 19, and it is necessary not to block the rotation of the insert during the transition from the rest position to the position of use.

Ainsi, dans l'exemple de la figure 4, on propose de réaliser un point de rétrécissement 33 présent au niveau de l'extrémité de blocage 47. Dans l'exemple de la figure 5, on propose de réaliser la face inférieure du couvercle 3a sous la forme d'une surface inclinée 36, l'ensemble des points constituant la surface inclinée pouvant être considéré comme un point de rétrécissement.So, in the example of the figure 4 it is proposed to make a narrowing point 33 present at the locking end 47. In the example of FIG. 5, it is proposed to make the lower face of the cover 3a in the form of an inclined surface 36, the set of points constituting the inclined surface can be considered as a narrowing point.

Avantageusement, on prévoit que le point de rétrécissement ne soit pas disposé directement sur le rebord 44, mais vers l'intérieur de la clé, en demeurant cependant toujours sur la zone d'évolution haute 43 du support 5.Advantageously, it is expected that the narrowing point is not placed directly on the flange 44, but towards the inside of the key, while still remaining on the high evolution zone 43 of the support 5.

Avantageusement, on prévoit de faire descendre le deuxième jeu 32 à une valeur sensiblement égale à 0,05 millimètre, le premier jeu 31 présentant une valeur de 0,2 millimètres.Advantageously, it is expected to lower the second set 32 to a value substantially equal to 0.05 millimeters, the first set 31 having a value of 0.2 millimeters.

Claims (6)

  1. Key, notably for a motor vehicle, comprising:
    - a casing, with an upper half-shell forming a cover and a lower half-shell forming a bottom of the casing;
    - an insert (5; 7), comprising a bit (7) and a bit support (5), mounted pivotably relative to said casing (3) between a rest position in which the insert (5; 7) is retracted into said casing (3) and a position of use in which the insert is deployed relative to said casing (3);
    - a mechanism for deploying the insert mounted in said casing, comprising, notably, a push button (19) ;
    - an upper rim (44) of an upper movement area (43), incorporated in an inner surface (41) of the upper half-shell (3a), of the support (5), and a lower rim (45) of a lower movement area (42), incorporated in an inner surface (40) of the lower half-shell (3b), of the support (5), the upper rim (44) and the lower rim (45) extending between a key rotation end (46) and a blocking end (47), the upper movement area (43) and the lower movement area (42) forming a movement sector of the support (5);
    - a first play (31) between the rotation end (46) and the support (5);
    characterized in that the movement sector of the support (5) comprises at least one constriction point (33), exhibiting a second play (32), smaller than the first play (31), in relation to said support (5).
  2. Key according to Claim 1, characterized in that the constriction point (33) is positioned at a blocking end (47) of the upper rim (44) and/or of the lower rim (45).
  3. Key according to Claim 1, characterized in that at least a part of the upper movement area (43) of the support (5) is inclined relative to the lower movement area (42).
  4. Key according to Claim 1, characterized in that the constriction point is not present at either the upper rim (44) or the lower rim (45) of the movement sector of the support (5).
  5. Key according to any of the preceding claims, characterized in that the first play is of the order of 0.2 millimeter.
  6. Key according to any of the preceding claims, characterized in that the second play is of the order of 0.05 millimeter.
EP13808015.5A 2012-12-21 2013-12-17 Key having a retractable insert with limited clearance Active EP2935729B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1203573A FR3000124B1 (en) 2012-12-21 2012-12-21 RETRACTABLE INSERT KEY WITH LIMITED GAME
PCT/EP2013/076964 WO2014095913A1 (en) 2012-12-21 2013-12-17 Key having a retractable insert with limited clearance

Publications (2)

Publication Number Publication Date
EP2935729A1 EP2935729A1 (en) 2015-10-28
EP2935729B1 true EP2935729B1 (en) 2017-02-15

Family

ID=47827322

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13808015.5A Active EP2935729B1 (en) 2012-12-21 2013-12-17 Key having a retractable insert with limited clearance

Country Status (6)

Country Link
US (1) US9255427B2 (en)
EP (1) EP2935729B1 (en)
JP (1) JP6526566B2 (en)
CN (1) CN105189892B (en)
FR (1) FR3000124B1 (en)
WO (1) WO2014095913A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7269825B2 (en) * 2019-08-07 2023-05-09 アルプスアルパイン株式会社 portable key device

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Publication number Priority date Publication date Assignee Title
JPS5595675U (en) * 1978-12-26 1980-07-02
JPH0267971U (en) * 1988-11-09 1990-05-23
DE19952247C1 (en) * 1999-10-29 2001-04-05 Valeo Gmbh & Co Schliessyst Kg Electronic flat key for remote operation of lock or central locking system has electronic circuit contained between cooperating half shells of grip part housing and enclosed by non-conductive frame
DE19962976C1 (en) * 1999-12-24 2001-09-20 Huf Huelsbeck & Fuerst Gmbh Combined mechanical and electronic key, especially for locks on vehicles
DE19962975A1 (en) * 1999-12-24 2001-07-05 Huf Huelsbeck & Fuerst Gmbh Combined mechanical and electronic key, especially for locks on vehicles
JP2006249875A (en) * 2005-03-14 2006-09-21 Advanex Inc Folding type storage case
DE102006036503B4 (en) * 2006-08-04 2015-09-17 Hella Kgaa Hueck & Co. Combined mechanical and electronic key
US8225633B2 (en) * 2008-03-03 2012-07-24 Lear Corporation Rotation mechanism for key blade
FR2935419B1 (en) * 2008-09-01 2010-10-15 Valeo Securite Habitacle REMOTE CONTROL DEVICE WITH A RETRACTABLE KEY, IN PARTICULAR A MOTOR VEHICLE.
EP2284337A1 (en) * 2009-08-07 2011-02-16 Johnson Controls Technology Company Mechanical module for a vehicle key and a key provided with such a module
FR2952956B1 (en) * 2009-11-20 2011-12-09 Valeo Securite Habitacle RETRACTABLE INSERT KEY WITH IMPROVED MECHANICAL RESISTANCE
FR2967188B1 (en) * 2010-11-05 2013-05-31 Valeo Securite Habitacle RETRACTABLE INSERT KEY AND ASSOCIATED INSERT DEPLOYMENT MODULE
EP2460956B2 (en) * 2010-12-06 2022-07-27 Valeo Climatizacion S.A. A flip key for an automotive vehicle with enhanced resistance to forces exerted onto an insert of such flip key
US8833122B2 (en) * 2012-02-24 2014-09-16 GM Global Technology Operations LLC Key fob transport clip

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None *

Also Published As

Publication number Publication date
CN105189892B (en) 2017-07-28
FR3000124B1 (en) 2015-03-06
JP6526566B2 (en) 2019-06-05
WO2014095913A1 (en) 2014-06-26
JP2016502005A (en) 2016-01-21
EP2935729A1 (en) 2015-10-28
FR3000124A1 (en) 2014-06-27
US20150330101A1 (en) 2015-11-19
US9255427B2 (en) 2016-02-09
CN105189892A (en) 2015-12-23

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