EP1321608B1 - Retractable shank key - Google Patents

Retractable shank key Download PDF

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Publication number
EP1321608B1
EP1321608B1 EP20020028233 EP02028233A EP1321608B1 EP 1321608 B1 EP1321608 B1 EP 1321608B1 EP 20020028233 EP20020028233 EP 20020028233 EP 02028233 A EP02028233 A EP 02028233A EP 1321608 B1 EP1321608 B1 EP 1321608B1
Authority
EP
European Patent Office
Prior art keywords
key
bar
rod
spring
housing
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
EP20020028233
Other languages
German (de)
French (fr)
Other versions
EP1321608A1 (en
Inventor
M. Louis Canard
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.)
Filing date
Publication date
Application filed by Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Publication of EP1321608A1 publication Critical patent/EP1321608A1/en
Application granted granted Critical
Publication of EP1321608B1 publication Critical patent/EP1321608B1/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
    • E05B19/00Keys; Accessories therefor
    • E05B19/04Construction of the bow or head of the key; Attaching the bow to the shank
    • E05B19/046Construction of the bow or head of the key; Attaching the bow to the shank the shank being slidingly mounted on the bow, e.g. for storage
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/32Bags or wallets for holding keys
    • A45C11/327Bags or wallets for holding keys with sliding keys
    • A45C11/328Bags or wallets for holding keys with sliding keys comprising a sliding mechanism

Definitions

  • the invention proposes a motor vehicle key which comprises a retractable rod.
  • the invention more particularly proposes a key, especially a motor vehicle, of the type comprising a retractable rod which extends in a substantially longitudinal direction and which is slidably mounted longitudinally inside a housing forming a key operating head. between a retracted rear position in which at least one section of the rod is received within a housing housing, and a front-use position in which at least one front end section of the key shaft extends outside the housing, and of the type comprising a return spring of the key shank towards its position of use, and means for locking the rod in the retracted position against the elastic force return spring.
  • This type of key is used to protect the rod from various external aggressions that could damage it and could thus prevent the operation of the mechanism associated with the key.
  • the heads of the current vehicle keys are usually an electronic box that allows for example to remotely control the locking of the vehicle doors.
  • this box occupies a certain volume.
  • a key comprising such a housing supplemented with a conventional rod, occupies a volume that can be cumbersome. This space is reduced when the rod is retracted inside the housing.
  • the invention aims to allow the realization of a key in which the number of parts used for the return of the rod in the use position is reduced, and for which the assembly is simplified compared to the prior art.
  • US 3,328,986 discloses a key housing comprising an insert movable in translation under the action of a return spring.
  • the return spring acts on the insert via a connecting piece incorporating means for actuating the return spring.
  • the invention proposes a key of the type described above, having the characteristics of the claim.
  • FIG. 1 a key 10 which allows to operate the mechanism of a lock (not shown) of a motor vehicle which comprises a housing 12 and a key shaft 14 shown in simplified schematic form.
  • the key 10 also includes an electronic device (not shown) which is fixed inside the housing 12.
  • This electronic device makes it possible in particular to remotely control the locking and unlocking of the doors.
  • it comprises control buttons 18 of its various functions which extend vertically through the upper wall of the housing 12.
  • the housing 12 forms the head of the key 10 and makes it possible to operate the key 10, in particular to pivot it in the lock around the longitudinal axis of the rod 14.
  • the housing 12 is a hollow element which opens into its upper face, thus allowing access to its internal volume, in particular to change the folds 19 of the electronic device when they are exhausted.
  • the upper face of the housing 12 is closed by a removable closure cover 16.
  • the rod 14 is an element which extends along a substantially longitudinal axis. It is intended to cooperate with the mechanism of the lock of the vehicle.
  • the rod 14 is retractable and it can thus disappear completely inside the housing 12, as shown in Figure 1.
  • the rod 14 is slidably mounted longitudinally relative to the housing 12 between a retracted rear position in which the rod 14 is received inside the housing 12, and a position before use, shown in particular in FIG. 2, in which a front end portion 20 extends outside the housing 12.
  • the internal volume of the housing 12 also opens out a guide orifice 64 of rectangular shape complementary to the section of the rod 14, which receives the rod 14 in sliding and which prevents the rod 14 from pivoting about its axis, relative to the housing 12, when the key 10 is manipulated.
  • the key 10 also comprises a spring 22 for returning the rod 14 to its forward position.
  • the return of the rod 14 to its position of use avoids the user any discomfort to remove the rod 14 of the housing 12, especially since, when the rod 14 is in the retracted position, the user does not have no hold to manipulate the rod 14.
  • the key 10 comprises locking means of the rod 14. in the retracted position, acting against the return force of the spring 22, and the locking means of the rod 14 in the use position.
  • an end 24 of the return spring 22 acts directly on the key rod 14.
  • the spring 22 is a spring of the spiral type, that is to say which consists of a winding of a band or ribbon around one of its ends.
  • the spring 22 is here a winding around a vertical axis A1.
  • the spring 22 is housed in a cavity 28 of the housing 12 which is cylindrical with a vertical main axis and a substantially circular horizontal section.
  • the cavity 28 is located near the forward longitudinal end of the housing 12, that is to say near the guide orifice 64 of the rod 14, and it is separated from the housing of the rod 14 by a partition 30 which extends vertically upwards from the bottom wall 32 of the housing 12.
  • the partition wall 30 has an opening 34 which allows the passage of the end 24 of the spring 22 which acts on the rod 14.
  • the spring 22 when the rod 14 is in the retracted position, the spring 22 is under load, so as to exert a return force of the rod 14 towards its position of use, and when the rod 14 is in the position of use, the spring 22 is little or not loaded. It then exerts a lower or almost zero return force on the rod 14.
  • the inner end 42 of the spring 22 is not fixed to the housing 12, the restoring force of the spring 22 then being due solely to the fact that the spring 22 has a natural tendency to curl up on itself.
  • the end 24 of the spring 22 acting on the rod 14 is the free end of the radially outer strand 26, and here it is fixed to the rear longitudinal end 36 of the rod 14.
  • the rear end 36 of the rod 14 comprises two lateral grooves 38 disposed on either side of the rod, and the end 24 of the spring 22 is of complementary shape to one of the two grooves 38 and is housed in this throat 38.
  • the key comprises a clip or jumper 40 of elastic material which allows the attachment of the end 24 of the spring 22 to the key shaft.
  • This clip 40 is U-shaped, the free ends of the two branches are each housed in a groove 38 of the rear end 36 of the rod 14. As a result, one of the branches of the clip 40 traps the end 24 of the spring 22 in the groove 38 associated.
  • the clip 40 extends longitudinally rearwardly from the rear longitudinal end of the rod 14, and its height or thickness is equal to that of the rod 14.
  • the locking means of the rod 14 in its two positions of use and retracted comprise a locking member 48 which cooperates with a heel 50 of the clip 40.
  • the clip 40 extends transversely with respect to the lateral face of the rod 14. It comprises a heel 50 which extends transversely.
  • the locking member 48 is of longitudinal orientation, it has a vertical front transverse face 48a, and a rear transverse face 48b.
  • the heel 50 has a vertical front transverse face 50a, and a rear vertical transverse face 50b.
  • the front face 48a of the locking member 48 cooperates with the rear face 50b of the heel 50
  • the rear face 48b of the blocking member 50 cooperates with the rear face 50a of the heel 50.
  • the lengths of the locking member 48 and the heel 50 are determined so that the rod 14 is in its front and rear positions when the locking member 48 and the heel 50 cooperate with each other in both positions.
  • the front face 50a of the heel 50 bears against the rear face 52 of the front wall 53 of the housing 12.
  • the locking member 48 is disposed relative to the front wall 53 of the housing 12 so that the heel 50 can be housed in the space thus formed with a small clearance when the rod 14 is in position before use.
  • the locking member 50 is movably mounted between a locking high position in which it cooperates with the heel 40, and a low position retracted into a housing 66 of the lower wall of the housing 12 in which the rod 14 is free to slide,
  • the locking member 48 is hingedly mounted relative to the housing 12 about a horizontal longitudinal axis A2.
  • a cylindrical rod 54 of circular section and A2 longitudinal axis is received in a complementary housing 56 of the housing 12, and the locking member 48 is connected transversely to the cylindrical rod 54 to achieve the articulation of the organ blocking 48.
  • the key 10 also comprises a control element 58 for locking the rod 14 in the use position and in the retracted position.
  • This control element 58 is able to be actuated manually from the outside of the housing 12, it passes through an orifice of the housing which communicates with the outside, and it is integral with the locking member 48 to control the pivoting of the latter .
  • the locking member 48, the cylindrical rod 54 and the control element 58 are made in one piece, for example by molding.
  • the key 10 comprises a second spring 60 for returning the locking member 48 to its locking position of the rod 14 when the user no longer acts on the control element 58, that the rod 14 is in position retracted or in use position.
  • the second spring 60 is interposed in compression between the housing 12 and the control element 58.
  • the return spring 22 allows an automatic output of the rod 14 to its position of use, to enter the rod 14 in the housing, the user must apply a force on the rod 14, thus resonating the spring 22 in view before a new use of the device.
  • the invention thus provides a key 10 which comprises a retractable rod 14 in a housing 12 forming the head of the key 10, the output of the rod 14 is effected by means of a return spring 22.
  • the key 10 has no intermediate element between the rod 14 and the spring 22, which simplifies the mounting of the key 10 and reduces its cost.

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  • Lock And Its Accessories (AREA)

Description

L'invention propose une clé de véhicule automobile qui comporte une tige escamotable.The invention proposes a motor vehicle key which comprises a retractable rod.

L'invention propose plus particulièrement une clé, notamment de véhicule automobile, du type comportant une tige escamotable qui s'étend selon une direction sensiblement longitudinale et qui est montée coulissante longitudinalement à l'intérieur d'un boîtier formant tête de manoeuvre de la clé, entre une position arrière rétractée dans laquelle au moins un tronçon de la tige est reçu à l'intérieur d'un logement du boîtier, et une position avant d'utilisation dans laquelle au moins un tronçon d'extrémité avant de la tige de clé s'étend à l'extérieur du boîtier, et du type comportant un ressort de rappel de la tige de clé vers sa position d'utilisation, et des moyens de blocage de la tige en position rétractée à l'encontre de l'effort élastique de rappel exercé par le ressort.The invention more particularly proposes a key, especially a motor vehicle, of the type comprising a retractable rod which extends in a substantially longitudinal direction and which is slidably mounted longitudinally inside a housing forming a key operating head. between a retracted rear position in which at least one section of the rod is received within a housing housing, and a front-use position in which at least one front end section of the key shaft extends outside the housing, and of the type comprising a return spring of the key shank towards its position of use, and means for locking the rod in the retracted position against the elastic force return spring.

Ce type de clé est utilisé pour protéger la tige de diverses agressions extérieures qui pourraient l'endommager et qui pourraient ainsi empêcher le fonctionnement du mécanisme associé à la clé.This type of key is used to protect the rod from various external aggressions that could damage it and could thus prevent the operation of the mechanism associated with the key.

De plus, ce type de clé permet de réduire l'encombrement de la clé. En effet, les têtes des clés de véhicules actuels consistent le plus souvent en un boîtier électronique qui permet par exemple de commander à distance le verrouillage des portes du véhicule.In addition, this type of key reduces the clutter of the key. Indeed, the heads of the current vehicle keys are usually an electronic box that allows for example to remotely control the locking of the vehicle doors.

Pour pouvoir inclure tous les composants électroniques nécessaires à son fonctionnement, ce boîtier occupe un certain volume. Une clé comportant un tel boîtier additionné d'une tige conventionnelle, occupe un volume qui peut s'avérer encombrant. Cet encombrement est ainsi réduit lorsque la tige est escamotée à l'intérieur du boîtier.To be able to include all the electronic components necessary for its operation, this box occupies a certain volume. A key comprising such a housing supplemented with a conventional rod, occupies a volume that can be cumbersome. This space is reduced when the rod is retracted inside the housing.

II est aussi connu de concevoir des clés à tige escamotables dans lesquelles la sortie de la tige est auto matique. C'est notamment le cas dans le document DE-C-199.56.392 qui décrit une clé qui comporte une tige escamotable, et qui comporte des moyens de rappel automatique de la tige vers sa position d'utilisation.It is also known to design retractable rod wrenches in which the output of the rod is auto matic. This is particularly the case in document DE-C-199.56.392 which discloses a key which comprises a retractable rod, and which comprises means for automatically returning the rod to its position of use.

Cependant, de telles clés nécessitent l'emploi de nombreuses pièces, ce qui complique leur montage et augmente leur coût.However, such keys require the use of many parts, which complicates their assembly and increases their cost.

Le document US-A1-2001/002544 présente également une clé comportant une tige escamstable et un ressort de rappel automatique de la tige vers sa position d'utilisation.Document US-A1-2001 / 002544 also discloses a key comprising a retractable rod and a spring for automatically returning the rod to its position of use.

L'invention a pour but de permettre la réalisation d'une clé dans laquelle le nombre de pièces utilisées pour le rappel de la tige en position d'utilisation est réduit, et pour laquelle le montage est simplifié par rapport à l'art antérieur.The invention aims to allow the realization of a key in which the number of parts used for the return of the rod in the use position is reduced, and for which the assembly is simplified compared to the prior art.

Le document US 3,328,986 présente un boîtier de clé comportant un insert deplaçable en translation sous l'action d'un ressort de rappel. Le ressort de rappel agit sur l'insert par l'intermédiaire d'une pièce de liaison intégrant des moyens d'actionnement du ressort de rappel.US 3,328,986 discloses a key housing comprising an insert movable in translation under the action of a return spring. The return spring acts on the insert via a connecting piece incorporating means for actuating the return spring.

Dans le but de simplifier encore cette réalisation, l'invention propose une clé du type décrit précédemment, présentant les caractéristiques de la revendication.In order to further simplify this embodiment, the invention proposes a key of the type described above, having the characteristics of the claim.

Selon d'autres caractéristiques préférées de l'invention:

  • le ressort est logé dans une cavité qui est séparée du logement de la tige par une cloison de séparation qui comporte une ouverture pour le passage de l'extrémité du ressort qui agit sur la tige de clé ;
  • l'extrémité libre du brin extérieur est fixée à une extrémité longitudinale arrière de la tige ;
  • que la cavité logeant le ressort est située a proximité de l'orifice de guidage de la tige :
  • la clé comporte un élément de commande du blocage de la tige en position d'utilisation et en position rétractée ;
  • la tige comporte un talon de blocage qui comporte deux faces transversales avant et arrière de butée, et en ce les moyens de blocage comportent un organe escamotable de blocage qui est susceptible de coopérer avec la face avant ou avec la face arrière du talon pour bloquer la tige en position arrière ou en position avant respectivement ;
  • l'organe de blocage est monté articulé autour d'un axe longitudinal entre une position de blocage de la tige dans laquelle l'organe de blocage coopère avec la face transversale avant ou avec la face transversale arrière du talon, et une position escamotée dans laquelle la tige peut coulisser librement par rapport au boîtier ;
  • la clé comporte un élément élastique de rappel de l'organe de blocage vers sa position de blocage de la tige ;
  • la clé comporte un clip de fixation de l'extrémité du ressort de rappel de la tige, qui comporte le talon de blocage, et qui est fixé sur l'extrémité longitudinale arrière de la tige.
According to other preferred features of the invention:
  • the spring is housed in a cavity which is separated from the housing of the rod by a partition wall which has an opening for the passage of the end of the spring which acts on the key rod;
  • the free end of the outer strand is attached to a rear longitudinal end of the rod;
  • that the cavity housing the spring is located near the guide orifice of the rod:
  • the key comprises an element for controlling the locking of the rod in the use position and in the retracted position;
  • the rod comprises a locking heel which has two transverse front and rear abutment faces, and in that the locking means comprise a retractable locking member which is capable of cooperating with the front face or with the rear face of the heel to block the rod in the rear position or in the forward position respectively;
  • the locking member is mounted articulated about a longitudinal axis between a locking position of the rod in which the locking member cooperates with the front transverse face or with the rear transverse face of the heel, and a retracted position in which the rod can slide freely relative to the housing;
  • the key comprises an elastic element for returning the locking member to its blocking position of the rod;
  • the key comprises a fastening clip of the end of the return spring of the rod, which comprises the locking heel, and which is fixed on the rear longitudinal end of the rod.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui suit pour la compréhension de laquelle on se reportera aux figures annexées parmi lesquelles :

  • la figure 1 est une vue en perspective d'une clé conforme à l'invention dans laquelle la tige est représentée en position arrière rétractée ;
  • la figure 2 est une vue similaire à celle de la figure 1, dans laquelle la face supérieure du boîtier est ouverte, pour illustrer l'agencement des composants et la structure interne de la clé ;
  • la figure 3 est une vue similaire à celle de la figure 2 dans laquelle la tige est représentée en position avant d'utilisation ;
  • la figure 4 est une vue en perspective éclatée de la clé représentée à la figure 1 dans laquelle les principaux composants relatifs au mouvement de la tige ont été représentés ; et
  • la figure 5 est une vue en plan et de dessus d'une clé conforme à l'invention dans laquelle la tige est en position d'utilisation comme représenté à la figure 3.
Other characteristics and advantages of the invention will appear on reading the detailed description which follows for the understanding of which reference will be made to the appended figures among which:
  • Figure 1 is a perspective view of a key according to the invention wherein the rod is shown in the retracted retracted position;
  • FIG. 2 is a view similar to that of FIG. 1, in which the upper face of the housing is open, to illustrate the arrangement of the components and the internal structure of the key;
  • Figure 3 is a view similar to that of Figure 2 wherein the rod is shown in position before use;
  • Figure 4 is an exploded perspective view of the key shown in Figure 1 in which the main components relating to the movement of the rod have been shown; and
  • FIG. 5 is a top plan view of a key according to the invention in which the rod is in the position of use as shown in FIG. 3.

Pour la description de l'invention, on adoptera à titre non limitatif les orientations verticale, longitudinale et transversale selon le repère V, L, T indiqué à la figure 1.For the description of the invention, the vertical, longitudinal and transverse orientations according to the reference V, L, T shown in FIG. 1 will be adopted without limitation.

Dans la description qui va suivre, des éléments identiques, similaires ou analogues seront désignés par les mêmes chiffres de référence.In the following description, identical, similar or similar elements will be designated by the same reference numerals.

On a représenté à la figure 1 une clé 10 qui permet de faire fonctionner le mécanisme d'une serrure (non représentée) d'un véhicule automobile qui comporte un boîtier 12 et une tige de clé 14 représentée sous forme schématique simplifiée.There is shown in Figure 1 a key 10 which allows to operate the mechanism of a lock (not shown) of a motor vehicle which comprises a housing 12 and a key shaft 14 shown in simplified schematic form.

La clé 10 comporte aussi un dispositif électronique (non représenté) qui est fixé à l'intérieur du boîtier 12.The key 10 also includes an electronic device (not shown) which is fixed inside the housing 12.

Ce dispositif électronique permet notamment de commander à distance le verrouillage et le déverrouillage des portières. Pour cela, il comporte des boutons de commande 18 de ses différentes fonctions qui s'étendent verticalement à travers la paroi supérieure du boîtier 12.This electronic device makes it possible in particular to remotely control the locking and unlocking of the doors. For this, it comprises control buttons 18 of its various functions which extend vertically through the upper wall of the housing 12.

Le boîtier 12 forme la tête de la clé 10 et permet de manoeuvrer la clé 10, notamment pour la faire pivoter dans la serrure autour de l'axe longitudinal de la tige 14.The housing 12 forms the head of the key 10 and makes it possible to operate the key 10, in particular to pivot it in the lock around the longitudinal axis of the rod 14.

Le boîtier 12 est un élément creux qui débouche dans sa face supérieure, permettant ainsi d'accéder à son volume intérieur, notamment pour changer les plies 19 du dispositif électronique lorsque celles-ci sont épuisées. La face supérieure du boîtier 12 est obturée par un couvercle amovible d'obturation 16.The housing 12 is a hollow element which opens into its upper face, thus allowing access to its internal volume, in particular to change the folds 19 of the electronic device when they are exhausted. The upper face of the housing 12 is closed by a removable closure cover 16.

La tige 14 est un élément qui s'étend selon un axe sensiblement longitudinal. Elle est destinée à coopérer avec le mécanisme de la serrure du véhicule.The rod 14 is an element which extends along a substantially longitudinal axis. It is intended to cooperate with the mechanism of the lock of the vehicle.

La tige 14 est escamotable et elle peut ainsi s'effacer entièrement à l'intérieur du boîtier 12, comme représenté à la figure 1. La tige 14 est montée coulissante longitudinalement par rapport au boîtier 12 entre une position arrière escamotée dans laquelle la tige 14 est reçue à l'intérieur du boîtier 12, et une position avant d'utilisation, représentée notamment à la figure 2,
dans laquelle un tronçon d'extrémité avant 20 s'étend à l'extérieur du boîtier 12.
The rod 14 is retractable and it can thus disappear completely inside the housing 12, as shown in Figure 1. The rod 14 is slidably mounted longitudinally relative to the housing 12 between a retracted rear position in which the rod 14 is received inside the housing 12, and a position before use, shown in particular in FIG. 2,
in which a front end portion 20 extends outside the housing 12.

Le volume intérieur du boîtier 12 débouche aussi par un orifice de guidage 64 de forme rectangulaire complémentaire de la section de la tige 14, qui reçoit la tige 14 en coulissement et qui permet d'empêcher que la tige 14 ne pivote autour de son axe, par rapport au boîtier 12, lorsque l'on manipule la clé 10.The internal volume of the housing 12 also opens out a guide orifice 64 of rectangular shape complementary to the section of the rod 14, which receives the rod 14 in sliding and which prevents the rod 14 from pivoting about its axis, relative to the housing 12, when the key 10 is manipulated.

Comme représenté aux figures 2 à 5, la clé 10 comporte aussi un ressort 22 de rappel de la tige 14 vers sa position avant. Le rappel de la tige 14 vers sa position d'utilisation évite à l'utilisateur toute gêne pour sortir la tige 14 du boîtier 12, d'autant plus que, lorsque la tige 14 est en position rétractée, l'utilisateur ne dispose d'aucune prise pour manipuler la tige 14.As shown in Figures 2 to 5, the key 10 also comprises a spring 22 for returning the rod 14 to its forward position. The return of the rod 14 to its position of use avoids the user any discomfort to remove the rod 14 of the housing 12, especially since, when the rod 14 is in the retracted position, the user does not have no hold to manipulate the rod 14.

De plus, pour éviter toute sortie accidentelle de la tige 14, ainsi que toute rétractation accidentelle de la tige 14 à l'intérieur du boîtier 12 lorsqu'elle est insérée dans la serrure, la clé 10 comporte des moyens de blocage de la tige 14 en position rétractée, agissant à l'encontre de l'effort de rappel du ressort 22, et des moyens de blocage de la tige 14 en position d'utilisation.In addition, to prevent accidental release of the rod 14, as well as any accidental retraction of the rod 14 inside the housing 12 when it is inserted into the lock, the key 10 comprises locking means of the rod 14. in the retracted position, acting against the return force of the spring 22, and the locking means of the rod 14 in the use position.

Conformément aux enseignements de l'invention, une extrémité 24 du ressort de rappel 22 agit directement sur la tige 14 de clé.According to the teachings of the invention, an end 24 of the return spring 22 acts directly on the key rod 14.

Le ressort 22 est un ressort du type spiral, c'est-à-dire qui consiste en un enroulement d'une bande ou d'un ruban autour d'une de ses extrémités. Le ressort 22 est ici un enroulement autour d'un axe A1 vertical.The spring 22 is a spring of the spiral type, that is to say which consists of a winding of a band or ribbon around one of its ends. The spring 22 is here a winding around a vertical axis A1.

Le ressort 22 est logé dans une cavité 28 du boîtier 12 qui est cylindrique d'axe principal vertical et de section horizontale sensiblement circulaire. La cavité 28 est située a proximité de l'extrémité longitudinale avant du boîtier 12, c'est-à-dire à proximité de l'orifice de guidage 64 de la tige 14, et elle est séparée du logement de la tige 14 par une cloison 30 qui s'étend verticalement vers le haut depuis la paroi inférieure 32 du boîtier 12.The spring 22 is housed in a cavity 28 of the housing 12 which is cylindrical with a vertical main axis and a substantially circular horizontal section. The cavity 28 is located near the forward longitudinal end of the housing 12, that is to say near the guide orifice 64 of the rod 14, and it is separated from the housing of the rod 14 by a partition 30 which extends vertically upwards from the bottom wall 32 of the housing 12.

La cloison 30 de séparation comporte une ouverture 34 qui permet le passage de l'extrémité 24 du ressort 22 qui agit sur la tige 14.The partition wall 30 has an opening 34 which allows the passage of the end 24 of the spring 22 which acts on the rod 14.

L'extrémité radiale intérieure 42 du ressort 22, c'est-à-dire celle qui est au centre de l'enroulement, est fixée au boîtier 12 par l'intermédiaire d'un téton 44 qui s'étend verticalement depuis la paroi inférieure 32 du boîtier 12, et qui comporte une encoche
dans laquelle l'extrémité intérieure 42 du ressort 22 est prisonnière.
The inner radial end 42 of the spring 22, that is to say the one which is in the center of the winding, is fixed to the housing 12 by means of a pin 44 which extends vertically from the bottom wall 32 of the housing 12, and which has a notch
wherein the inner end 42 of the spring 22 is trapped.

Ainsi, lorsque la tige 14 est en position rétractée, le ressort 22 est sous charge, de sorte à exercer un effort de rappel de la tige 14 vers sa position d'utilisation, et lorsque la tige 14 est en position d'utilisation, le ressort 22 est peu ou pas chargé. Il exerce alors un effort de rappel plus faible ou quasi nul sur la tige 14.Thus, when the rod 14 is in the retracted position, the spring 22 is under load, so as to exert a return force of the rod 14 towards its position of use, and when the rod 14 is in the position of use, the spring 22 is little or not loaded. It then exerts a lower or almost zero return force on the rod 14.

II est possible de précharger le ressort 22 lors de son montage dans le boîtier 12 afin qu'il exerce toujours un effort de rappel sur la tige 14, même lorsque celle-ci est en position d'utilisation.It is possible to preload the spring 22 during its mounting in the housing 12 so that it always exerts a return force on the rod 14, even when it is in the use position.

Selon une variante de l'invention (non représentée), l'extrémité intérieure 42 du ressort 22 n'est pas fixée au boîtier 12, l'effort de rappel du ressort 22 étant alors dû uniquement au fait que le ressort 22 a naturellement tendance à s'enrouler sur lui-même.According to a variant of the invention (not shown), the inner end 42 of the spring 22 is not fixed to the housing 12, the restoring force of the spring 22 then being due solely to the fact that the spring 22 has a natural tendency to curl up on itself.

L'extrémité 24 du ressort 22 qui agit sur la tige 14 est l'extrémité libre du brin 26 radialement extérieur, et elle est ici fixée à l'extrémité longitudinale arrière 36 de la tige 14.The end 24 of the spring 22 acting on the rod 14 is the free end of the radially outer strand 26, and here it is fixed to the rear longitudinal end 36 of the rod 14.

L'extrémité arrière 36 de la tige 14 comporte deux gorges 38 latérales disposées de part et d'autre de la tige, et l'extrémité 24 du ressort 22 est de forme complémentaire à l'une des deux gorges 38 et elle se loge dans cette gorge 38.The rear end 36 of the rod 14 comprises two lateral grooves 38 disposed on either side of the rod, and the end 24 of the spring 22 is of complementary shape to one of the two grooves 38 and is housed in this throat 38.

De plus, la clé comporte un clip ou cavalier 40 en matériau élastique qui permet la fixation de l'extrémité 24 du ressort 22 à la tige de clé.In addition, the key comprises a clip or jumper 40 of elastic material which allows the attachment of the end 24 of the spring 22 to the key shaft.

Ce clip 40 est en forme de "U" dont les extrémités libres des deux branches se logent chacune dans une gorge 38 de l'extrémité arrière 36 de la tige 14. De ce fait, l'une des branches du clip 40 emprisonne l'extrémité 24 du ressort 22 dans la gorge 38 associée.This clip 40 is U-shaped, the free ends of the two branches are each housed in a groove 38 of the rear end 36 of the rod 14. As a result, one of the branches of the clip 40 traps the end 24 of the spring 22 in the groove 38 associated.

Afin de ne pas gêner le coulissement de la tige 14 dans le boîtier 12, le clip 40 s'étend longitudinalement vers l'arrière depuis l'extrémité longitudinale arrière de la tige 14, et sa hauteur ou épaisseur est égale à celle de la tige 14.In order not to hinder the sliding of the rod 14 in the housing 12, the clip 40 extends longitudinally rearwardly from the rear longitudinal end of the rod 14, and its height or thickness is equal to that of the rod 14.

Les moyens de blocage de la tige 14 dans ses deux positions d'utilisation et rétractée comportent un organe de blocage 48 qui coopère avec un talon 50 du clip 40.The locking means of the rod 14 in its two positions of use and retracted comprise a locking member 48 which cooperates with a heel 50 of the clip 40.

Pour cela, le clip 40 s'étend transversalement par rapport à la face latérale de la tige 14. II comporte un talon 50 qui s'étend transversalement. L'organe de blocage 48 est d'orientation longitudinale, il comporte une face transversale verticale avant 48a, et une face transversale arrière 48b.For this, the clip 40 extends transversely with respect to the lateral face of the rod 14. It comprises a heel 50 which extends transversely. The locking member 48 is of longitudinal orientation, it has a vertical front transverse face 48a, and a rear transverse face 48b.

Le talon 50 comporte une face transversale verticale avant 50a, et une face transversale verticale arrière 50b. Ainsi, pour bloquer la tige 14 en position d'utilisation, la face avant 48a de l'organe de blocage 48 coopère avec la face arrière 50b du talon 50, et pour bloquer la tige 14 en position rétractée, la face arrière 48b de l'organe de blocage 50 coopère avec la face arrière 50a du talon 50.The heel 50 has a vertical front transverse face 50a, and a rear vertical transverse face 50b. Thus, to lock the rod 14 in the position of use, the front face 48a of the locking member 48 cooperates with the rear face 50b of the heel 50, and to lock the rod 14 in the retracted position, the rear face 48b of the blocking member 50 cooperates with the rear face 50a of the heel 50.

Les longueurs de l'organe de blocage 48 et du talon 50 sont déterminées de sorte que la tige 14 soit dans ses positions avant et arrière lorsque l'organe de blocage 48 et le talon 50 coopèrent l'un avec l'autre dans les deux positions.The lengths of the locking member 48 and the heel 50 are determined so that the rod 14 is in its front and rear positions when the locking member 48 and the heel 50 cooperate with each other in both positions.

De plus, pour éviter que la tige 14 ne se désolidarise du boîtier 12, la face avant 50a du talon 50 s'appuie contre la face arrière 52 de la paroi avant 53 du boîtier 12.In addition, to prevent the rod 14 from becoming detached from the housing 12, the front face 50a of the heel 50 bears against the rear face 52 of the front wall 53 of the housing 12.

Selon un mode de réalisation préféré de l'invention, l'organe de blocage 48 est disposé par rapport à la paroi avant 53 du boîtier 12 de sorte que le talon 50 puisse se loger dans l'espace ainsi formé avec un faible jeu lorsque la tige 14 est en position avant d'utilisation.According to a preferred embodiment of the invention, the locking member 48 is disposed relative to the front wall 53 of the housing 12 so that the heel 50 can be housed in the space thus formed with a small clearance when the rod 14 is in position before use.

Lorsque l'utilisateur désire rentrer ou sortir la tige 14 du boîtier 12, il faut escamoter l'organe de blocage 50 pour qu'il n'assure plus sa fonction de blocage. Pour cela, l'organe de blocage 50 est monté mobile entre une position haute de blocage dans laquelle il coopère avec le talon 40, et une position basse escamotée dans un logement 66 de la paroi inférieure du boîtier 12 dans laquelle la tige 14 est libre de coulisser,When the user wants to return or exit the rod 14 of the housing 12, it is necessary to retract the locking member 50 so that it no longer provides its blocking function. For this, the locking member 50 is movably mounted between a locking high position in which it cooperates with the heel 40, and a low position retracted into a housing 66 of the lower wall of the housing 12 in which the rod 14 is free to slide,

Conformément à l'invention, l'organe de blocage 48 est monté articulé par rapport au boîtier 12 autour d'un axe A2 longitudinal horizontal. Une tige cylindrique 54 de section circulaire et d'axe longitudinal A2, est reçue dans un logement complémentaire 56 du boîtier 12, et l'organe de blocage 48 est relié transversalement à la tige cylindrique 54 pour réaliser l'articulation de l'organe de blocage 48.According to the invention, the locking member 48 is hingedly mounted relative to the housing 12 about a horizontal longitudinal axis A2. A cylindrical rod 54 of circular section and A2 longitudinal axis, is received in a complementary housing 56 of the housing 12, and the locking member 48 is connected transversely to the cylindrical rod 54 to achieve the articulation of the organ blocking 48.

La clé 10 comporte aussi un élément de commande 58 du blocage de la tige 14 en position d'utilisation et en position rétractée. Cet élément de commande 58 est apte à être actionné manuellement depuis l'extérieur du boîtier 12, il traverse un orifice du boîtier qui communique avec l'extérieur, et il est solidaire de l'organe de blocage 48 pour commander le pivotement de ce dernier.The key 10 also comprises a control element 58 for locking the rod 14 in the use position and in the retracted position. This control element 58 is able to be actuated manually from the outside of the housing 12, it passes through an orifice of the housing which communicates with the outside, and it is integral with the locking member 48 to control the pivoting of the latter .

Lorsque l'utilisateur désire rentrer ou sortir la tige 14 du boîtier 12, il actionne l'élément de commande 58, ce qui fait pivoter l'ensemble formé par l'élément de commande 58, la tige cylindrique 54, et l'organe de blocage 48 autour de leur axe A2 d'articulation. Ainsi, l'organe de blocage 48 s'escamote dans un logement 66 de la paroi inférieure du boîtier de sorte à ne plus coopérer avec le talon 50, permettant ainsi à la tige 14 de coulisser librement dans les deux sens.When the user wishes to take in or out the rod 14 of the housing 12, he actuates the control element 58, which pivots the assembly formed by the control element 58, the cylindrical rod 54, and the blocking 48 about their articulation axis A2. Thus, the locking member 48 is retracted into a housing 66 of the bottom wall of the housing so as to no longer cooperate with the heel 50, thus allowing the rod 14 to slide freely in both directions.

De préférence, l'organe de blocage 48, la tige cylindrique 54 et l'élément de commande 58 sont réalisés en une seule pièce, par exemple par moulage.Preferably, the locking member 48, the cylindrical rod 54 and the control element 58 are made in one piece, for example by molding.

La clé 10 comporte un second ressort 60 de rappel de l'organe de blocage 48 vers sa position de blocage de la tige 14 lorsque l'utilisateur n'agit plus sur l'élément de commande 58, que la tige 14 soit, en position rétractée ou en position d'utilisation.The key 10 comprises a second spring 60 for returning the locking member 48 to its locking position of the rod 14 when the user no longer acts on the control element 58, that the rod 14 is in position retracted or in use position.

Le second ressort 60 est interposé en compression entre le boîtier 12, et l'élément de commande 58.The second spring 60 is interposed in compression between the housing 12 and the control element 58.

Lorsque l'organe de blocage 48 est rappelé vers sa position de blocage de la tige 14 sous l'action du ressort 60, il vient en butée contre la face inférieure du couvercle 16.When the locking member 48 is returned to its locking position of the rod 14 under the action of the spring 60, it abuts against the underside of the cover 16.

Le ressort de rappel 22 permet une sortie automatique de la tige 14 vers sa position d'utilisation, pour rentrer la tige 14 dans le boîtier, l'utilisateur doit appliquer un effort sur la tige 14, permettant ainsi de tendre à nouveau le ressort 22 en vue avant une nouvelle utilisation du dispositif.The return spring 22 allows an automatic output of the rod 14 to its position of use, to enter the rod 14 in the housing, the user must apply a force on the rod 14, thus resonating the spring 22 in view before a new use of the device.

II sera compris que des inversions mécaniques simples peuvent constituer des variantes de réalisation de l'invention qui n'est définie que par les revendications suivantes.It will be understood that simple mechanical inversions may constitute alternative embodiments of the invention which is defined only by the following claims.

L'invention propose ainsi une clé 10 qui comporte une tige 14 escamotable dans un boîtier 12 formant la tête de la clé 10, dont la sortie de la tige 14 s'effectue à l'aide d'un ressort de rappel 22. La clé 10 ne comporte aucun élément intermédiaire entre la tige 14 et le ressort 22, ce qui simplifie le montage de la clé 10 et réduit son coût.The invention thus provides a key 10 which comprises a retractable rod 14 in a housing 12 forming the head of the key 10, the output of the rod 14 is effected by means of a return spring 22. The key 10 has no intermediate element between the rod 14 and the spring 22, which simplifies the mounting of the key 10 and reduces its cost.

Claims (9)

  1. A key (10), especially for a motor vehicle, of the type comprising:
    - a retractable bar (14) which extends in a substantially longitudinal direction, and which is mounted for longitudinal sliding movement, inside a key body (12) which constitutes a manoeuvring head for the key (10), between a retracted rear position, in which at least a portion of the bar (14) is received in the interior of a housing in the key body (12), and a working forward position in which at least a front end portion (20) of the key bar (14) extends outside the key body (12);
    - a return spring (22) for urging the key bar (12) towards its working position; and
    - stop means (48, 54, 58) for blocking the key bar (14) in its retracted position against the elastic return force exerted by the spring (22),
    characterised in that the spring (22) is a spring (22) of the spiral type which includes a radially external strip (26), the free end (24) of which is fixed to the key bar (14) in such a way that it acts directly on the key bar (14).
  2. A key (10) according to Claim 1, characterised in that the free end (24) of the external strip (26) is fixed to a rear longitudinal end (36) of the key bar (14).
  3. A key (10) according to Claim 2, characterised in that the spring (22) is housed within a cavity (28) which is separated from the housing for the key bar (14) by a separating partition (30) which is formed with a through aperture (34) for passage through it of the end of the spring (22) that acts on the key bar (14).
  4. A key (10) according to Claim 2 or Claim 3, characterised in that the cavity (28) in which the spring (22) is mounted is situated close to the guide hole (64) for the bar (14).
  5. A key (10) according to any one of the preceding Claims, characterised in that it includes a control element (58) for blocking the key bar (14) both in its working position and in its retracted position.
  6. A key (10) according to Claim 5, characterised in that the key bar (14) includes a stop claw (50) which has two transverse abutment faces, namely a front abutment face (50a) and a rear abutment face (50b), and in that the stop means include a retractable stop member (48) which is arranged to cooperate with the front abutment face (50a) or with the rear abutment face (50b) of the claw (50), whereby to block the key bar (14) in its rear position or its forward position respectively.
  7. A key (10) according to Claim 6, characterised in that the stop member (48) is articulated about a longitudinal axis (A2) between a blocking position for blocking the key bar (14), in which the stop member (48) is in cooperation with the transverse front abutment face (50a) or with the transverse rear abutment face (50b) of the claw (50), and a concealed position in which the key bar (14) is able to slide with respect to the key body (12).
  8. A key (10) according to any one of Claims 5 to 7, characterised in that it includes a resilient return element (60) for biasing the stop member (48) towards its position for blocking the key bar (14).
  9. A key (10) according to any one of Claims 6 to 8 in combination with Claim 4, characterised in that it includes a clip (40) for fastening the end (24) of the return spring (22) for the key bar (14), the clip comprising the stop claw (50) and being fixed on the rear longitudinal end of the bar.
EP20020028233 2001-12-18 2002-12-16 Retractable shank key Expired - Lifetime EP1321608B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0116342A FR2833637B1 (en) 2001-12-18 2001-12-18 RETRACTABLE ROD WRENCH
FR0116342 2001-12-18

Publications (2)

Publication Number Publication Date
EP1321608A1 EP1321608A1 (en) 2003-06-25
EP1321608B1 true EP1321608B1 (en) 2006-04-26

Family

ID=8870607

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020028233 Expired - Lifetime EP1321608B1 (en) 2001-12-18 2002-12-16 Retractable shank key

Country Status (4)

Country Link
EP (1) EP1321608B1 (en)
DE (1) DE60210913T2 (en)
ES (1) ES2263731T3 (en)
FR (1) FR2833637B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006046801A1 (en) * 2006-09-29 2008-04-03 Conti Temic Microelectronic Gmbh Electrically actuated operator unit for vehicle, has shaft for receiving emergency key held in shaft between storage position and usage position
DE102006046802A1 (en) * 2006-09-29 2008-04-03 Conti Temic Microelectronic Gmbh Electrical operating unit for vehicle with emergency key shaft and battery compartment has emergency key shaft passing through battery compartment, whereby lid of battery compartment has opening for passing emergency key through
US8225633B2 (en) 2008-03-03 2012-07-24 Lear Corporation Rotation mechanism for key blade
DE102008016201B4 (en) 2008-03-28 2010-03-18 Lear Corporation Gmbh Modular radio key with swivel fittings
GB2602512A (en) * 2021-01-05 2022-07-06 Smethurst Lee A key device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328986A (en) * 1964-06-15 1967-07-04 Ralton Theodore Mechanical key holder
DE19912749C1 (en) * 1999-03-22 2000-11-02 Valeo Gmbh & Co Schliessyst Kg Door lock key with retractable key shaft biased into extended position by spring with cog wheel provided by head part of key shaft cooperating with linear toothed rack
BR9905598A (en) * 1999-09-30 2001-07-03 Valeo Do Brasil Com E Particip Blade ejection / retraction mechanism, in particular the key lock blade and key case including such a mechanism
DE19956392C5 (en) 1999-11-24 2004-05-13 Huf Hülsbeck & Fürst Gmbh & Co. Kg Keys, especially for motor vehicles
DE19958819C1 (en) * 1999-12-07 2001-05-10 Valeo Gmbh & Co Schliessyst Kg Flat key; has handle part comprising casing for retractable key bit and spring with spiral ends and middle area having holder to secure key bit when it is pushed inside casing

Also Published As

Publication number Publication date
DE60210913D1 (en) 2006-06-01
ES2263731T3 (en) 2006-12-16
EP1321608A1 (en) 2003-06-25
DE60210913T2 (en) 2006-12-21
FR2833637A1 (en) 2003-06-20
FR2833637B1 (en) 2004-10-01

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