EP1859112B1 - Releasable lock for a motor vehicle locking system - Google Patents

Releasable lock for a motor vehicle locking system Download PDF

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Publication number
EP1859112B1
EP1859112B1 EP06708448.3A EP06708448A EP1859112B1 EP 1859112 B1 EP1859112 B1 EP 1859112B1 EP 06708448 A EP06708448 A EP 06708448A EP 1859112 B1 EP1859112 B1 EP 1859112B1
Authority
EP
European Patent Office
Prior art keywords
indexer
lock according
guide
rotor
sleeve
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.)
Not-in-force
Application number
EP06708448.3A
Other languages
German (de)
French (fr)
Other versions
EP1859112A1 (en
Inventor
Christian Valeo Securite Habitacle FLANDRINCK
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.)
Minebea AccessSolutions France SAS
Original Assignee
U Shin France 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 U Shin France SAS filed Critical U Shin France SAS
Publication of EP1859112A1 publication Critical patent/EP1859112A1/en
Application granted granted Critical
Publication of EP1859112B1 publication Critical patent/EP1859112B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/04—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0054—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed
    • E05B17/0058—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed with non-destructive disengagement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0053—Other details of locks; Parts for engagement by bolts of fastening devices means providing a stable, i.e. indexed, position of lock parts
    • 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
    • Y10T70/50—Special application
    • Y10T70/5093—For closures
    • Y10T70/5155—Door
    • Y10T70/5199—Swinging door
    • Y10T70/5372—Locking latch bolts, biased
    • Y10T70/5385—Spring projected
    • Y10T70/5389—Manually operable
    • Y10T70/5394—Directly acting dog for exterior, manual, bolt manipulator
    • Y10T70/5416—Exterior manipulator declutched from bolt when dogged
    • 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
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7667—Operating elements, parts and adjuncts
    • Y10T70/7706—Operating connections
    • 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
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7667—Operating elements, parts and adjuncts
    • Y10T70/7706—Operating connections
    • Y10T70/7712—Rollbacks
    • 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
    • Y10T70/7915—Tampering prevention or attack defeating
    • Y10T70/7932—Anti-pick

Definitions

  • the invention relates to a disengageable lock for an automobile lock mechanism.
  • a disengagement mechanism on a lock for an automobile lock makes it possible to prevent this lock from being forced. Indeed, if a false key, or any other flat tool of adequate form, is introduced into the rotor, and if it then attempts to drive the rotor in rotation, the disengaging mechanism allows the rotor and the intermediate sleeve to rotate freely inside the stator without significant effort being exerted on the glitter.
  • the invention relates more specifically to a disengageable bolt, in particular for a motor vehicle lock mechanism, comprising a fixed stator, a tubular intermediate bush which is rotatably mounted about its axis in the stator and which is axially fixed relative to the stator, a rotor which is rotatably mounted in the sleeve, which is fixed axially in the sleeve and which comprises flakes movable radially under the action of a key intended to be introduced axially into the rotor.
  • Flakes are completely retracted inside the rotor when the key is compliant, so as to allow free rotation of the rotor relative to the sleeve and the stator and thus allow the rotational drive of a control lever, called thresher, the lock that is coupled to the rotor via a coach.
  • the rotor and the intermediate sleeve are locked in rotation relative to one another by the flakes when the key is not in conformity.
  • the lock also comprises an indexer which is movable axially between a rest position and a disengagement position, under the effect of a rotation of the bushing relative to the stator consecutive to the rotational drive of the rotor with the aid of a wrong key, to axially move the coach to a disengaged position.
  • the invention solves this problem by proposing a disengageable latch providing automatic return of the thresher in the rest position just after this residual rotation, while providing a particularly compact latch, that is to say of limited length and of particular constitution. robust.
  • the invention proposes a disengageable bolt, in particular for a motor vehicle lock mechanism according to claim 1.
  • the indexer and the driver are cylindrical parts surrounding the rotor and are movable nested one inside the other, in that the driver is linked in translation on the rotor and in that the indexer is linked in translation in the stator.
  • the driver is disengaged from the thresher, in said disengaged position and the indexer is secured in rotation with the thresher, in said disengaged position.
  • the indexer comprises on its edge facing the thresher at least one guide lug intended to cooperate with a corresponding notch carried by the threshing machine, this notch being trapezoidal in shape.
  • the indexer may comprise a main ring and two trapezoidal guide lugs, in section through a plane tangential to the ring, which extend axially towards the thresher from the ring.
  • the distance between the external bases of said guide lug of the indexer is substantially equal to the distance between the front face of the intermediate sleeve and the bottom of the slots carried by the thresher intended to receive said guide tabs of the indexer.
  • the indexer comprises on its edge facing the key inlet at least one guide lug intended to cooperate with a corresponding notch carried by the intermediate sleeve.
  • the indexer may also comprise two trapezoidal guide lugs, in section through a plane tangential to the ring, which extend axially towards the key inlet from the ring.
  • the intermediate bush has two notches corresponding to said first guide lugs and the thresher comprises two notches corresponding to said first guide lugs.
  • the coach comprises on its edge facing the thresher at least one flange for cooperating with a corresponding notch carried by the thresher.
  • the coach has on its edge facing the keyway at least one guide flange for cooperating with a corresponding notch carried by the intermediate sleeve.
  • the driver may comprise a sleeve, two first trapezoidal guide flanges, in section through a plane tangential to the sleeve, which extend axially towards the key inlet from the sleeve and two second trapezoidal guide flanges. , in section by a plane tangential to the sleeve, which extend axially towards the threshing machine from the sleeve.
  • the intermediate bushing may comprise two notches corresponding to said first guide flanges and the thresher comprises two notches corresponding to said first guide flanges.
  • the trainer is mobile inside the indexer.
  • the latch 10 essentially comprises a rotor 12 which is rotatably mounted about the axis A1, inside a fixed stator 14, with the interposition therebetween of an intermediate tubular bushing 16 which is rotatably mounted around its axis in the stator and which is axially fixed relative to the stator.
  • the rotor 12 is intended to be rotated by means of a key (not shown) introduced axially inside the rotor 12 through a key inlet 18 arranged in a front transverse face 20 of the rotor 12 , which face 20 is intended for example to be flush with the outside of a body panel (not shown) of the vehicle.
  • the rear axial end 22 of the rotor 12 is intended to rotate a control lever 24 of a lock mechanism (not shown) to allow the locking and unlocking of an opening of the vehicle.
  • the rotor 12 is able to rotate the control lever 24, only in the presence of a suitable key, via a driver 26 which is axially movable in the latch 10, under the action of a indexer 28, between an engaged position in which it links in rotation the rotor 12 and the control lever 24, and a disengaged position in which the rotor 12 is no longer capable of driving the lever 24 in rotation and in which the The driver 26 locks the lever 24 in rotation relative to the stator 14 of the lock 10.
  • the rotor 12, the stator 14 and the intermediate bushing 16 are immobile in translation along the axis A1 with respect to each other and a helical compression spring 30 is interposed between the rotor 12 and the driver 26 to solicit the latter axially towards the rear towards its engaged position.
  • the stator 14 is of generally cylindrical tubular shape and it comprises means (not shown) which allow the mounting and fixing of the lock 12 on the vehicle.
  • the rotor 12 is intended to receive flakes 32 arranged in successive transverse planes at regular intervals in the direction of the axis A1 of the latch 10 and which are received in corresponding housings of the rotor 12.
  • the flakes 32 are radially movable in the rotor 12 and they are elastically biased towards a protruding position in which they project partially outside the housings of the rotor 12.
  • the flakes 34 are not entirely retracted and are received inside corresponding windows 36 arranged in the intermediate bushing 16.
  • the flakes 34 immobilize in rotation the rotor 12 relative to the intermediate sleeve 16 which itself remains free in rotation with respect to the stator 14.
  • the indexer 28 movable axially between a rest position and a disengagement position is translationally connected to the stator 14 by means of grooves arranged inside the stator and ribs 28A, 28B sliding inside these grooves.
  • the ribs 28A, 28B and the grooves are two in number and are diametrically opposed.
  • the indexer 28 comprises in particular a main ring 38 and first trapezoidal guide lugs 40, in section through a plane tangential to the ring 38, which extend axially forwardly from the ring 38. These first lugs 40 are intended to be received in corresponding axial slots 42 of the intermediate bushing 16. These first guide lugs 40 are two in number and are diametrically opposite on the ring 38.
  • the notches 42 open axially forwardly into the rear axial end of the bushing 16 so that, with the guide tabs 40, they make it possible to ensure the rotational connection of the indexer 28 with the intermediate bushing 16, while leaving the possibility for the indexer 28 to move axially in the lock 10.
  • the indexer also comprises second trapezoidal guide lugs 41, in section through a plane tangential to the ring 38, which extend axially rearwards from the ring 38. These second lugs 41 are intended to to be received in corresponding axial slots 43 of the thresher 24. These second guide lugs 41 are two in number, are diametrically opposite on the ring 38 and are arranged substantially opposite the first guide lugs 40.
  • the driver 26 ensures the coupling of the rotor 12 and the thresher 24, when the key is compliant. It is linked in translation on the rotor by means of internal ribs and grooves 12A carried by the rotor 12.
  • the driver 26 has a sleeve 39 of inner diameter slightly greater than the outer diameter of the ring 38 of the indexer 28, to allow sliding guidance of the driver around the indexer.
  • the driver 26 comprises first trapezoidal guide flanges 44, in section through a plane tangential to the sleeve 39, which extend axially forwardly from the sleeve 39. These first flanges 44 are intended to be received in corresponding axial notches 46 of the intermediate sleeve 16. These first guide flanges 44 are two in number and are diametrically opposite on the sleeve 39.
  • notches 46 open axially forwards in the rear axial end of the bushing 16 so that, with the first guide flanges 44, they make it possible to ensure the rotational connection of the driver 26 with the intermediate bushing 16. , while leaving the possibility for the trainer to move axially in the lock 10.
  • the driver 26 also comprises second guiding flanges 45 of trapezoidal shape, in section through a plane tangential to the sleeve 39, which extend axially rearwardly from the sleeve 39. These second flanges 45 are intended to be received in corresponding axial slots 47 of the thresher 24. These second guide flanges 45 are two in number, are diametrically opposite on the sleeve 39 and are arranged substantially opposite the first guide flanges 44.
  • the latch 10 also comprises a return spring 50 operating in torsion and serving to return the thresher 24 to the initial position.
  • the rotor 12 can be turned with the key and carries with it the driver 26 which by the engagement of its flanges 45 in the corresponding notches 47 of the thresher 24 drives the latter in rotation, releasing the lock.
  • the rotation of the thresher 24 is obtained by the rotation of the following parts: key / rotor / trainer / thresher.
  • the return spring 50 At the end of the race, when the key is released, the return spring 50, one end of which is fixed and another end in abutment against a flange 24A of the thresher 24, returns the thresher to its initial position as well as the driver and the rotor.
  • the rotation of the non-compliant key therefore rotates the rotor 12 and the intermediate sleeve 16 connected.
  • the rotation of the bushing 16 causes the indexer 28 to move in the direction of the thresher 24, by sliding the front guide lugs 40 of the indexer out of the corresponding notches 42 in the bushing 16. In this translated position, the lugs rear guide 41 of the indexer 28 are embedded in the corresponding notches 43 of the thresher 24.
  • the indexer 28 being rotatably immobilized by its connection with the stator, the thresher can rotate.
  • the driver 26 is disconnected from the thresher 24 because rotated with the rotor 12, its rear flanges 45 slide on the threshing machine and out of the corresponding notches, which causes its translation in the direction of the key under the effect of the spring 30. Its front flanges 41 are embedded in the corresponding notches 46 of the intermediate sleeve 16.
  • the deliberate rotation of the key therefore causes the following parts to move: rotation of the rotor / rotation of the intermediate bushing / translation of the indexer and locking in rotation of the threshing machine / rotation of the coach and disconnection of the threshing machine and connection with the intermediate socket.
  • the compression spring 30 pushes the driver 26 against the threshing machine, forcing the rotor 12 to return to its initial position by sliding the rear flanges 45 against the flange of the corresponding notches 47 until embedded in these flanges and notches.
  • the rotor 12 rotating turns the intermediate sleeve 16 which receives the front guide tabs 40 of the indexer 28.
  • the figure 13 illustrates an essential feature of the invention which has been deliberately ignored above for the sake of clarity and simplification.
  • This figure illustrates a transitional position during the blocking of the thresher 24 by the indexer 28, before arriving in the disengaged position as shown in FIG. figure 10 .
  • the passage of the indexer 28 from its rest position where its guide lugs 40 are engaged with the corresponding notches of the intermediate sleeve 16, in its disengaged position where its guide lugs 41 are engaged with the corresponding notches of the thresher 24, is performed simultaneously to the movement of the trainer 26 in a reverse direction, its rest position where its guide flanges 45 are engaged with the corresponding notches of the thresher 24, in its disengaged position where its guide flanges 44 are engaged with the corresponding notches of the sleeve intermediate 16.
  • the driver 26 rotates the thresher 24 at a certain angle, before the threseller is effectively locked in this rotation by the indexer 28 in this transient position shown on the figure 13 .
  • the distance d1 between the external bases of said guide lug 40, 41 of the indexer 28 is substantially equal to the distance d2 between the front face of the intermediate bushing 16 and the bottom of the slots 43 carried by the thresher intended to receive said guide lugs 41 of the indexer.

Landscapes

  • Lock And Its Accessories (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

L'invention concerne un verrou débrayable pour un mécanisme de serrure automobile.The invention relates to a disengageable lock for an automobile lock mechanism.

L'adjonction d'un mécanisme de débrayage sur un verrou destiné à une serrure automobile permet d'éviter que ce verrou ne soit forcé. En effet, si une fausse clé, ou tout autre outil plat de forme adéquate, est introduite dans le rotor, et si on tente alors d'entraîner en rotation le rotor, le mécanisme de débrayage permet au rotor et à la douille intermédiaire de pivoter librement à l'intérieur du stator sans que ne s'exercent sur les paillettes des efforts importants.The addition of a disengagement mechanism on a lock for an automobile lock makes it possible to prevent this lock from being forced. Indeed, if a false key, or any other flat tool of adequate form, is introduced into the rotor, and if it then attempts to drive the rotor in rotation, the disengaging mechanism allows the rotor and the intermediate sleeve to rotate freely inside the stator without significant effort being exerted on the glitter.

En effet, en présence d'efforts trop importants, les paillettes sont susceptibles d'être détériorées ou d'être escamotées, en force, ce qui permet alors de déverrouiller le verrou sans la clé conforme.Indeed, in the presence of excessive effort, flakes are likely to be deteriorated or to be retracted, in force, which then allows to unlock the lock without the key compliant.

L'invention se rapporte plus précisément à un verrou débrayable, notamment pour un mécanisme de serrure de véhicule automobile, comportant un stator fixe, une douille intermédiaire tubulaire qui est montée en rotation autour de son axe dans le stator et qui est fixe axialement par rapport au stator, un rotor qui est monté en rotation dans la douille, qui est fixe axialement dans la douille et qui comporte des paillettes mobiles radialement sous l'action d'une clé destinée à être introduite axialement dans le rotor. Des paillettes sont entièrement escamotées à l'intérieur du rotor lorsque la clé est conforme, de manière à permettre une libre rotation du rotor par rapport à la douille et au stator et ainsi permettre l'entraînement en rotation d'un levier de commande, appelé batteuse, de la serrure qui est accouplé au rotor par l'intermédiaire d'un entraîneur. Le rotor et la douille intermédiaire sont bloqués en rotation l'un par rapport à l'autre par les paillettes lorsque la clé n'est pas conforme. Le verrou comporte également un indexeur qui est mobile axialement entre une position de repos et une position de débrayage, sous l'effet d'une rotation de la douille par rapport au stator consécutive à l'entraînement en rotation du rotor à l'aide d'une clé non conforme, pour déplacer axialement l'entraîneur vers une position débrayée.The invention relates more specifically to a disengageable bolt, in particular for a motor vehicle lock mechanism, comprising a fixed stator, a tubular intermediate bush which is rotatably mounted about its axis in the stator and which is axially fixed relative to the stator, a rotor which is rotatably mounted in the sleeve, which is fixed axially in the sleeve and which comprises flakes movable radially under the action of a key intended to be introduced axially into the rotor. Flakes are completely retracted inside the rotor when the key is compliant, so as to allow free rotation of the rotor relative to the sleeve and the stator and thus allow the rotational drive of a control lever, called thresher, the lock that is coupled to the rotor via a coach. The rotor and the intermediate sleeve are locked in rotation relative to one another by the flakes when the key is not in conformity. The lock also comprises an indexer which is movable axially between a rest position and a disengagement position, under the effect of a rotation of the bushing relative to the stator consecutive to the rotational drive of the rotor with the aid of a wrong key, to axially move the coach to a disengaged position.

Dans un tel verrou connu, lors du débrayage, plus précisément en début de déplacement des différentes pièces pour ce débrayage, a lieu une rotation de la batteuse hors de sa position de repos dite position de 0°, correspondante au verrouillage de la serrure, à cause de débattements entre les déplacements relatifs des différentes pièces et en particulier de l'entraîneur et de l'indexeur. Cette rotation s'effectue généralement sur plus ou moins 15°. Cette rotation entraîne un déplacement des tringleries du système de verrouillage relié à la serrure.In such a known latch, during the disengagement, more precisely at the beginning of movement of the various parts for this disengagement, takes place a rotation of the thresher out of its rest position said position of 0 °, corresponding to the lock of the lock, to cause of displacements between the relative movements of the different parts and in particular of the trainer and the indexer. This rotation is generally done on plus or minus 15 °. This rotation causes a displacement of the linkages of the locking system connected to the lock.

Cette rotation résiduelle est problématique car, compte tenu du déplacement en rotation maximal de la batteuse de la position verrouillée à la position déverrouillée, qui peut être relativement faible, elle peut entraîner une ouverture non volontaire du battant portant le verrou. Les document FR-A-2 748 513 et WO 03/106789 divulguent les caractéristiques de cet état de la technique.This residual rotation is problematic because, given the maximum rotational movement of the thresher from the locked position to the unlocked position, which can be relatively low, it can cause a non-voluntary opening of the door bearing the lock. The documents FR-A-2,748,513 and WO 03/106789 disclose the features of this state of the art.

L'invention résout ce problème en proposant un verrou débrayable assurant un rappel automatique de la batteuse en position de repos juste après cette rotation résiduelle, tout en fournissant un verrou particulièrement compact, c'est-à-dire de longueur limitée et de constitution particulièrement robuste.The invention solves this problem by proposing a disengageable latch providing automatic return of the thresher in the rest position just after this residual rotation, while providing a particularly compact latch, that is to say of limited length and of particular constitution. robust.

Pour ce faire, l'invention propose un verrou débrayable, notamment pour un mécanisme de serrure de véhicule automobile selon la revendication 1.To do this, the invention proposes a disengageable bolt, in particular for a motor vehicle lock mechanism according to claim 1.

Selon un mode dé réalisation préféré, l'indexeur et l'entraîneur sont des pièces cylindriques entourant le rotor et sont mobiles emboîtés l'un dans l'autre, en ce que l'entraîneur est lié en translation sur le rotor et en ce que l'indexeur est lié en translation dans le stator.According to a preferred embodiment, the indexer and the driver are cylindrical parts surrounding the rotor and are movable nested one inside the other, in that the driver is linked in translation on the rotor and in that the indexer is linked in translation in the stator.

De préférence, l'entraîneur est désolidarisé de la batteuse, dans ladite position débrayée et l'indexeur est solidarisé en rotation avec la batteuse, dans ladite position débrayée.Preferably, the driver is disengaged from the thresher, in said disengaged position and the indexer is secured in rotation with the thresher, in said disengaged position.

Avantageusement, l'indexeur comporte sur son bord tourné vers la batteuse au moins une patte de guidage destinée à coopérer avec une encoche correspondante portée par la batteuse, cette encoche étant de forme trapézoïdale.Advantageously, the indexer comprises on its edge facing the thresher at least one guide lug intended to cooperate with a corresponding notch carried by the threshing machine, this notch being trapezoidal in shape.

L'indexeur peut comporter un anneau principal et deux pattes de guidage de forme trapézoïdale, en section par un plan tangentiel à l'anneau, qui s'étendent axialement vers la batteuse à partir de l'anneau.The indexer may comprise a main ring and two trapezoidal guide lugs, in section through a plane tangential to the ring, which extend axially towards the thresher from the ring.

De préférence, la distance entre les bases externes de ladite patte de guidage de l'indexeur est sensiblement égale à la distance entre la face frontale de la douille intermédiaire et le fond des encoches portées par la batteuse destinées à recevoir lesdites pattes de guidage de l'indexeur.Preferably, the distance between the external bases of said guide lug of the indexer is substantially equal to the distance between the front face of the intermediate sleeve and the bottom of the slots carried by the thresher intended to receive said guide tabs of the indexer.

De préférence, l'indexeur comporte sur son bord tourné vers l'entrée de clé au moins une patte de guidage destinée à coopérer avec une encoche correspondante portée par la douille intermédiaire.Preferably, the indexer comprises on its edge facing the key inlet at least one guide lug intended to cooperate with a corresponding notch carried by the intermediate sleeve.

L'indexeur peut comporter également deux pattes de guidage de forme trapézoïdale, en section par un plan tangentiel à l'anneau, qui s'étendent axialement vers l'entrée de clé à partir de l'anneau.The indexer may also comprise two trapezoidal guide lugs, in section through a plane tangential to the ring, which extend axially towards the key inlet from the ring.

Avantageusement, la douille intermédiaire comporte deux encoches correspondantes aux dites premières pattes de guidage et la batteuse comporte deux encoches correspondantes aux dites premières pattes de guidage.Advantageously, the intermediate bush has two notches corresponding to said first guide lugs and the thresher comprises two notches corresponding to said first guide lugs.

De préférence, l'entraîneur comporte sur son bord tourné vers la batteuse au moins une bride destinée à coopérer avec une encoche correspondante portée par la batteuse.Preferably, the coach comprises on its edge facing the thresher at least one flange for cooperating with a corresponding notch carried by the thresher.

Et avantageusement, l'entraîneur comporte sur son bord tourné vers l'entrée de clé au moins une bride de guidage destinée à coopérer avec une encoche correspondante portée par la douille intermédiaire.And advantageously, the coach has on its edge facing the keyway at least one guide flange for cooperating with a corresponding notch carried by the intermediate sleeve.

L'entraîneur peut comporter un manchon, deux premières brides de guidage de forme trapézoïdale, en section par un plan tangentiel au manchon, qui s'étendent axialement vers l'entrée de clé à partir du manchon et deux secondes brides de guidage de forme trapézoïdale, en section par un plan tangentiel au manchon, qui s'étendent axialement vers la batteuse à partir du manchon.The driver may comprise a sleeve, two first trapezoidal guide flanges, in section through a plane tangential to the sleeve, which extend axially towards the key inlet from the sleeve and two second trapezoidal guide flanges. , in section by a plane tangential to the sleeve, which extend axially towards the threshing machine from the sleeve.

La douille intermédiaire peut comporter deux encoches correspondantes aux dites premières brides de guidage et la batteuse comporte deux encoches correspondantes aux dites premières brides de guidage.The intermediate bushing may comprise two notches corresponding to said first guide flanges and the thresher comprises two notches corresponding to said first guide flanges.

Avantageusement, l'entraîneur est mobile à l'intérieur de l'indexeur.Advantageously, the trainer is mobile inside the indexer.

L'invention est décrite ci-après plus en détail à l'aide de figures ne représentant qu'un mode de réalisation préféré de l'invention.

  • La figure 1 est une vue éclatée en perspective d'un verrou débrayable conforme à l'invention.
  • La figure 2 est une vue en perspective d'un verrou conforme à l'invention.
  • La figure 3 est une vue en perspective d'un verrou conforme à l'invention, en position embrayé, le stator n'étant pas représenté.
  • La figure 4 est une vue en coupe longitudinale du verrou débrayable conforme à l'invention, en position embrayée
  • La figure 5 est vue en coupe longitudinale selon C de la figure 4.
  • La figure 6 est une vue en coupe transversale selon G de la figure 4.
  • La figure 7 est une vue en coupe transversale selon I de la figure 4.
  • La figure 8 est une vue en coupe transversale selon J de la figure 4.
  • La figure 9 est une vue en coupe transversale selon K de la figure 4.
  • La figure 10 est une vue en perspective d'un verrou conforme à l'invention, en position débrayée, le stator n'étant pas représenté.
  • La figure 11 est une vue en coupe longitudinale du verrou débrayable conforme à l'invention, en position débrayée.
  • La figure 12 est une vue en coupe longitudinale selon P de la figure 11.
  • La figure 13 est une vue en perspective d'un verrou conforme à l'invention et illustrant une caractéristique spécifique de ce verrou, le stator n'étant pas représenté.
The invention is described below in more detail with the aid of figures representing only a preferred embodiment of the invention.
  • The figure 1 is an exploded perspective view of a disengageable lock according to the invention.
  • The figure 2 is a perspective view of a lock according to the invention.
  • The figure 3 is a perspective view of a lock according to the invention, in the engaged position, the stator is not shown.
  • The figure 4 is a longitudinal sectional view of the disengageable bolt according to the invention, in engaged position
  • The figure 5 is seen in longitudinal section along C of the figure 4 .
  • The figure 6 is a cross-sectional view along G of the figure 4 .
  • The figure 7 is a cross-sectional view along I of the figure 4 .
  • The figure 8 is a cross-sectional view along J of the figure 4 .
  • The figure 9 is a cross-sectional view along K of the figure 4 .
  • The figure 10 is a perspective view of a lock according to the invention, in the disengaged position, the stator not being shown.
  • The figure 11 is a longitudinal sectional view of the disengageable bolt according to the invention, in the disengaged position.
  • The figure 12 is a longitudinal sectional view along P of the figure 11 .
  • The figure 13 is a perspective view of a lock according to the invention and illustrating a specific feature of this lock, the stator is not shown.

On a représenté sur les figures 1 et 2 un verrou rotatif d'axe longitudinal A1 comportant des moyens de débrayage conforme aux enseignements de l'invention.We have shown on figures 1 and 2 a rotary latch of longitudinal axis A1 comprising disengaging means according to the teachings of the invention.

Le verrou 10 comporte essentiellement un rotor 12 qui est monté tournant, autour de l'axe A1, à l'intérieur d'un stator 14 fixe, avec interposition entre les deux d'une douille intermédiaire 16 tubulaire qui est montée en rotation autour de son axe dans le stator et qui est fixe axialement par rapport au stator.The latch 10 essentially comprises a rotor 12 which is rotatably mounted about the axis A1, inside a fixed stator 14, with the interposition therebetween of an intermediate tubular bushing 16 which is rotatably mounted around its axis in the stator and which is axially fixed relative to the stator.

Le rotor 12 est destiné à être entraîné en rotation à l'aide d'une clé (non représentée) introduite axialement à l'intérieur du rotor 12 au travers d'une entrée de clé 18 agencée dans une face transversale avant 20 du rotor 12, laquelle face 20 est destinée par exemple à affleurer à l'extérieur d'un panneau de carrosserie (non représenté) du véhicule.The rotor 12 is intended to be rotated by means of a key (not shown) introduced axially inside the rotor 12 through a key inlet 18 arranged in a front transverse face 20 of the rotor 12 , which face 20 is intended for example to be flush with the outside of a body panel (not shown) of the vehicle.

L'extrémité axiale arrière 22 du rotor 12 est destinée à entraîner en rotation un levier de commande 24 d'un mécanisme de serrure (non représenté) pour autoriser la condamnation et la décondamnation d'un ouvrant du véhicule.The rear axial end 22 of the rotor 12 is intended to rotate a control lever 24 of a lock mechanism (not shown) to allow the locking and unlocking of an opening of the vehicle.

Le rotor 12 est susceptible d'entraîner en rotation le levier de commande 24, uniquement en présence d'une clé conforme, par l'intermédiaire d'un entraîneur 26 qui est mobile axialement dans le verrou 10, sous l'action d'un indexeur 28, entre une position embrayée dans laquelle il lie en rotation le rotor 12 et le levier de commande 24, et une position débrayée dans laquelle le rotor 12 n'est plus susceptible d'entraîner le levier 24 en rotation et dans laquelle l'entraîneur 26 assure le blocage en rotation du levier 24 par rapport au stator 14 du verrou 10.The rotor 12 is able to rotate the control lever 24, only in the presence of a suitable key, via a driver 26 which is axially movable in the latch 10, under the action of a indexer 28, between an engaged position in which it links in rotation the rotor 12 and the control lever 24, and a disengaged position in which the rotor 12 is no longer capable of driving the lever 24 in rotation and in which the The driver 26 locks the lever 24 in rotation relative to the stator 14 of the lock 10.

Le rotor 12, le stator 14 et la douille intermédiaire 16 sont immobiles en translation selon l'axe A1 l'un par rapport à l'autre et un ressort hélicoïdal de compression 30 est interposé entre le rotor 12 et l'entraîneur 26 pour solliciter ce dernier axialement vers l'arrière vers sa position embrayée.The rotor 12, the stator 14 and the intermediate bushing 16 are immobile in translation along the axis A1 with respect to each other and a helical compression spring 30 is interposed between the rotor 12 and the driver 26 to solicit the latter axially towards the rear towards its engaged position.

Le stator 14 est de forme générale tubulaire cylindrique et il comporte des moyens (non représentés) qui permettent le montage et la fixation du verrou 12 sur le véhicule.The stator 14 is of generally cylindrical tubular shape and it comprises means (not shown) which allow the mounting and fixing of the lock 12 on the vehicle.

De manière connue, le rotor 12 est destiné à recevoir des paillettes 32 agencées dans des plans transversaux qui se succèdent à intervalles réguliers selon la direction de l'axe A1 du verrou 10 et qui sont reçues dans des logements correspondants du rotor 12.In known manner, the rotor 12 is intended to receive flakes 32 arranged in successive transverse planes at regular intervals in the direction of the axis A1 of the latch 10 and which are received in corresponding housings of the rotor 12.

Les paillettes 32 sont mobiles radialement dans le rotor 12 et elles sont sollicitées élastiquement vers une position saillante dans laquelle elles dépassent partiellement à l'extérieur des logements du rotor 12.The flakes 32 are radially movable in the rotor 12 and they are elastically biased towards a protruding position in which they project partially outside the housings of the rotor 12.

Au contraire, lorsqu'une clé conforme est introduite à l'intérieur du rotor 12, les paillettes 32 sont entièrement escamotées radialement vers l'intérieur dans le rotor 12.On the contrary, when a suitable key is introduced inside the rotor 12, the flakes 32 are entirely retracted radially inwards in the rotor 12.

Ainsi, lorsque la clé conforme est introduite dans le rotor 12, celui-ci peut pivoter librement par rapport à la douille intermédiaire cylindrique 16 et par rapport au stator 14.Thus, when the correct key is introduced into the rotor 12, it can pivot freely relative to the cylindrical intermediate sleeve 16 and relative to the stator 14.

Au contraire, si on introduit dans le rotor 12 une clé non conforme, ou tout autre outil, les paillettes 34 ne sont pas entièrement escamotées et sont reçues à l'intérieur de fenêtres correspondantes 36 agencées dans la douille intermédiaire 16. Ainsi, les paillettes 34 immobilisent en rotation le rotor 12 par rapport à la douille intermédiaire 16 qui, elle, reste libre en rotation par rapport au stator 14.On the other hand, if a non-compliant key or any other tool is introduced into the rotor 12, the flakes 34 are not entirely retracted and are received inside corresponding windows 36 arranged in the intermediate bushing 16. Thus, the flakes 34 immobilize in rotation the rotor 12 relative to the intermediate sleeve 16 which itself remains free in rotation with respect to the stator 14.

L'indexeur 28 mobile axialement entre une position de repos et une position de débrayage est lié en translation sur le stator 14 par l'intermédiaire de rainures agencées à l'intérieur du stator et de nervures 28A, 28B coulissant à l'intérieur de ces rainures. Les nervures 28A, 28B et les rainures sont au nombre de deux et sont diamétralement opposées.The indexer 28 movable axially between a rest position and a disengagement position is translationally connected to the stator 14 by means of grooves arranged inside the stator and ribs 28A, 28B sliding inside these grooves. The ribs 28A, 28B and the grooves are two in number and are diametrically opposed.

L'indexeur 28 comporte notamment un anneau principal 38 et des premières pattes de guidage 40 de forme trapézoïdale, en section par un plan tangentiel à l'anneau 38, qui s'étendent axialement vers l'avant à partir de l'anneau 38. Ces premières pattes 40 sont destinées à être reçues dans des encoches axiales correspondantes 42 de la douille intermédiaire 16. Ces premières pattes de guidage 40 sont au nombre de deux et sont diamétralement opposées sur l'anneau 38.The indexer 28 comprises in particular a main ring 38 and first trapezoidal guide lugs 40, in section through a plane tangential to the ring 38, which extend axially forwardly from the ring 38. These first lugs 40 are intended to be received in corresponding axial slots 42 of the intermediate bushing 16. These first guide lugs 40 are two in number and are diametrically opposite on the ring 38.

Les encoches 42 débouchent axialement vers l'avant dans l'extrémité axiale arrière de la douille 16 de sorte que, avec les pattes de guidage 40, elles permettent d'assurer la liaison en rotation de l'indexeur 28 avec la douille intermédiaire 16, tout en laissant subsister la possibilité pour l'indexeur 28 de se déplacer axialement dans le verrou 10.The notches 42 open axially forwardly into the rear axial end of the bushing 16 so that, with the guide tabs 40, they make it possible to ensure the rotational connection of the indexer 28 with the intermediate bushing 16, while leaving the possibility for the indexer 28 to move axially in the lock 10.

L'indexeur comporte également des secondes pattes de guidage 41 de forme trapézoïdale, en section par un plan tangentiel à l'anneau 38, qui s'étendent axialement vers l'arrière à partir de l'anneau 38. Ces secondes pattes 41 sont destinées à être reçues dans des encoches axiales correspondantes 43 de la batteuse 24. Ces secondes pattes de guidage 41 sont au nombre de deux, sont diamétralement opposées sur l'anneau 38 et sont disposées sensiblement en face des premières pattes de guidage 40.The indexer also comprises second trapezoidal guide lugs 41, in section through a plane tangential to the ring 38, which extend axially rearwards from the ring 38. These second lugs 41 are intended to to be received in corresponding axial slots 43 of the thresher 24. These second guide lugs 41 are two in number, are diametrically opposite on the ring 38 and are arranged substantially opposite the first guide lugs 40.

L'entraîneur 26 assure l'accouplement du rotor 12 et de la batteuse 24, lorsque la clé est conforme. Il est lié en translation sur le rotor par l'intermédiaire de nervures internes et de rainures 12A portées par le rotor 12.The driver 26 ensures the coupling of the rotor 12 and the thresher 24, when the key is compliant. It is linked in translation on the rotor by means of internal ribs and grooves 12A carried by the rotor 12.

L'entraîneur 26 comporte un manchon 39 de diamètre intérieur légèrement supérieur au diamètre extérieur de l'anneau 38 de l'indexeur 28, afin de permettre le guidage en coulissement de l'entraîneur autour de l'indexeur.The driver 26 has a sleeve 39 of inner diameter slightly greater than the outer diameter of the ring 38 of the indexer 28, to allow sliding guidance of the driver around the indexer.

L'entraîneur 26 comporte des premières brides de guidage 44 de forme trapézoïdale, en section par un plan tangentiel au manchon 39, qui s'étendent axialement vers l'avant à partir du manchon 39. Ces premières brides 44 sont destinées à être reçues dans des encoches axiales correspondantes 46 de la douille intermédiaire 16. Ces premières brides de guidage 44 sont au nombre de deux et sont diamétralement opposées sur le manchon 39.The driver 26 comprises first trapezoidal guide flanges 44, in section through a plane tangential to the sleeve 39, which extend axially forwardly from the sleeve 39. These first flanges 44 are intended to be received in corresponding axial notches 46 of the intermediate sleeve 16. These first guide flanges 44 are two in number and are diametrically opposite on the sleeve 39.

Ces encoches 46 débouchent axialement vers l'avant dans l'extrémité axiale arrière de la douille 16 de sorte que, avec les premières brides de guidage 44, elles permettent d'assurer la liaison en rotation de l'entraîneur 26 avec la douille intermédiaire 16, tout en laissant subsister la possibilité pour l'entraîneur de se déplacer axialement dans le verrou 10.These notches 46 open axially forwards in the rear axial end of the bushing 16 so that, with the first guide flanges 44, they make it possible to ensure the rotational connection of the driver 26 with the intermediate bushing 16. , while leaving the possibility for the trainer to move axially in the lock 10.

L'entraîneur 26 comporte également des secondes brides de guidage 45 de forme trapézoïdale, en section par un plan tangentiel au manchon 39, qui s'étendent axialement vers l'arrière à partir du manchon 39. Ces secondes brides 45 sont destinées à être reçues dans des encoches axiales correspondantes 47 de la batteuse 24. Ces secondes brides de guidage 45 sont au nombre de deux, sont diamétralement opposées sur le manchon 39 et sont disposées sensiblement en face des premières brides de guidage 44.The driver 26 also comprises second guiding flanges 45 of trapezoidal shape, in section through a plane tangential to the sleeve 39, which extend axially rearwardly from the sleeve 39. These second flanges 45 are intended to be received in corresponding axial slots 47 of the thresher 24. These second guide flanges 45 are two in number, are diametrically opposite on the sleeve 39 and are arranged substantially opposite the first guide flanges 44.

Le verrou 10 comporte également un ressort de rappel 50 fonctionnant en torsion et servant au rappel de la batteuse 24 en position initiale.The latch 10 also comprises a return spring 50 operating in torsion and serving to return the thresher 24 to the initial position.

Le fonctionnement du verrou conforme à l'invention va maintenant être décrit en référence aux autres figures.The operation of the lock according to the invention will now be described with reference to the other figures.

Sur les figures 3 à 9, une clé conforme a été introduite dans le rotor 12 par l'entrée de clé 18 et le verrou est donc en position embrayée. Les paillettes 32 sont donc escamotées à l'intérieur du rotor 12 qui peut tourner dans la douille intermédiaire 16.On the Figures 3 to 9 a correct key has been introduced into the rotor 12 by the key input 18 and the lock is thus in the engaged position. The flakes 32 are thus retracted inside the rotor 12 which can rotate in the intermediate bushing 16.

Dans cette position, le rotor 12 peut être tourné avec la clé et entraîne avec lui l'entraîneur 26 qui par l'emboîtement de ses brides 45 dans les encoches correspondantes 47 de la batteuse 24 entraîne cette dernière en rotation, libérant la serrure.In this position, the rotor 12 can be turned with the key and carries with it the driver 26 which by the engagement of its flanges 45 in the corresponding notches 47 of the thresher 24 drives the latter in rotation, releasing the lock.

Les autres pièces restent immobiles, plus précisément la douille intermédiaire 16 immobiles en rotation et l'indexeur 28 emboîté dans cette dernière par l'intermédiaire de ses pattes de guidage avant 40.The other parts remain motionless, more precisely the intermediate sleeve 16 immobile in rotation and the indexer 28 fitted into the latter through its front guide tabs 40.

La rotation de la batteuse 24 est obtenue par la rotation des pièces suivantes : clé / rotor / entraîneur / batteuse.The rotation of the thresher 24 is obtained by the rotation of the following parts: key / rotor / trainer / thresher.

En fin de course, lorsque la clé est lâchée, le ressort de rappel 50 dont une extrémité est fixe et une autre extrémité en butée contre une bride 24A de la batteuse 24, fait revenir la batteuse en position initiale ainsi que l'entraîneur et la rotor.At the end of the race, when the key is released, the return spring 50, one end of which is fixed and another end in abutment against a flange 24A of the thresher 24, returns the thresher to its initial position as well as the driver and the rotor.

Sur les figures 10 à 12, une clé non conforme a été introduite dans le rotor 12 par l'entrée de clé 18 et le verrou est donc en position débrayée. Les paillettes 32 ne sont donc pas escamotées à l'intérieur du rotor 12 qui est en conséquence lié en rotation à la douille intermédiaire 16, par encastrement des paillettes dans cette dernière.On the Figures 10 to 12 , a non-compliant key has been introduced into the rotor 12 by the key input 18 and the lock is thus in the disengaged position. The flakes 32 are not therefore retracted inside the rotor 12 which is consequently rotatably connected to the intermediate bushing 16, by embedding the flakes in the latter.

La rotation de la clé non conforme entraîne donc en rotation le rotor 12 et la douille intermédiaire 16 liés. La rotation de la douille 16 entraîne la translation de l'indexeur 28 en direction de la batteuse 24, par glissement des pattes de guidages avant 40 de l'indexeur hors des encoches correspondantes 42 de la douille 16. Dans cette position translatée, les pattes de guidage arrière 41 de l'indexeur 28 viennent s'encastrer dans les encoches 43 correspondantes de la batteuse 24. L'indexeur 28 étant immobile en rotation par sa liaison avec le stator, la batteuse ne peut tourner.The rotation of the non-compliant key therefore rotates the rotor 12 and the intermediate sleeve 16 connected. The rotation of the bushing 16 causes the indexer 28 to move in the direction of the thresher 24, by sliding the front guide lugs 40 of the indexer out of the corresponding notches 42 in the bushing 16. In this translated position, the lugs rear guide 41 of the indexer 28 are embedded in the corresponding notches 43 of the thresher 24. The indexer 28 being rotatably immobilized by its connection with the stator, the thresher can rotate.

L'entraîneur 26 est quant à lui désolidarisé de la batteuse 24 car tourné avec le rotor 12, ses brides arrière 45 glissent sur la batteuse et sortent des encoches correspondantes, ce qui entraîne sa translation en direction de la clé sous l'effet du ressort de débrayage 30. Ses brides avant 41 viennent s'encastrer dans les encoches correspondantes 46 de la douille intermédiaire 16.The driver 26 is disconnected from the thresher 24 because rotated with the rotor 12, its rear flanges 45 slide on the threshing machine and out of the corresponding notches, which causes its translation in the direction of the key under the effect of the spring 30. Its front flanges 41 are embedded in the corresponding notches 46 of the intermediate sleeve 16.

La rotation volontaire de la clé entraîne donc le déplacement des pièces suivantes : rotation du rotor / rotation de la douille intermédiaire / translation de l'indexeur et blocage en rotation de la batteuse / rotation de l'entraîneur et désolidarisation de la batteuse et liaison avec la douille intermédiaire.The deliberate rotation of the key therefore causes the following parts to move: rotation of the rotor / rotation of the intermediate bushing / translation of the indexer and locking in rotation of the threshing machine / rotation of the coach and disconnection of the threshing machine and connection with the intermediate socket.

A la fin de ces déplacements, lorsque la clé est relâchée, le ressort de compression 30 repousse l'entraîneur 26 contre la batteuse, obligeant le rotor 12 à revenir en position initiale par glissement des brides arrière 45 contre le pan des encoches correspondantes 47 jusqu'à encastrement de ces brides et encoches. En revenant à sa position initiale, le rotor 12 en tournant entraîne la douille intermédiaire 16 qui reçoit les pattes de guidage avant 40 de l'indexeur 28.At the end of these movements, when the key is released, the compression spring 30 pushes the driver 26 against the threshing machine, forcing the rotor 12 to return to its initial position by sliding the rear flanges 45 against the flange of the corresponding notches 47 until embedded in these flanges and notches. Returning to its initial position, the rotor 12 rotating turns the intermediate sleeve 16 which receives the front guide tabs 40 of the indexer 28.

La figure 13 illustre une caractéristique essentielle de l'invention qui a été volontairement ignorée ci-dessus dans un but de clarté et simplification.The figure 13 illustrates an essential feature of the invention which has been deliberately ignored above for the sake of clarity and simplification.

Cette figure illustre une position transitoire lors du blocage de la batteuse 24 par l'indexeur 28, avant d'arriver en position débrayée telle que représentée sur la figure 10.This figure illustrates a transitional position during the blocking of the thresher 24 by the indexer 28, before arriving in the disengaged position as shown in FIG. figure 10 .

Le passage de l'indexeur 28 de sa position de repos où ses pattes de guidage 40 sont en prise avec les encoches correspondantes de la douille intermédiaire 16, à sa position de débrayage où ses pattes de guidage 41 sont en prise avec les encoches correspondantes de la batteuse 24, s'effectue simultanément au déplacement de l'entraîneur 26 dans un sens inverse, de sa position de repos où ses brides de guidage 45 sont en prise avec les encoches correspondantes de la batteuse 24, à sa position de débrayage où ses brides de guidage 44 sont en prise avec les encoches correspondantes de la douille intermédiaire 16. Jusqu'à la position transitoire, l'entraîneur 26 entraîne en rotation la batteuse 24 sur un certain angle, avant que la batteuse soit effectivement bloquée dans cette rotation par l'indexeur 28 dans cette position transitoire représentée sur la figure 13.The passage of the indexer 28 from its rest position where its guide lugs 40 are engaged with the corresponding notches of the intermediate sleeve 16, in its disengaged position where its guide lugs 41 are engaged with the corresponding notches of the thresher 24, is performed simultaneously to the movement of the trainer 26 in a reverse direction, its rest position where its guide flanges 45 are engaged with the corresponding notches of the thresher 24, in its disengaged position where its guide flanges 44 are engaged with the corresponding notches of the sleeve intermediate 16. To the transient position, the driver 26 rotates the thresher 24 at a certain angle, before the threseller is effectively locked in this rotation by the indexer 28 in this transient position shown on the figure 13 .

La distance d1 entre les bases externes de ladite patte de guidage 40, 41 de l'indexeur 28 est sensiblement égale à la distance d2 entre la face frontale de la douille intermédiaire 16 et le fond des encoches 43 portées par la batteuse destinées à recevoir lesdites pattes de guidage 41 de l'indexeur.The distance d1 between the external bases of said guide lug 40, 41 of the indexer 28 is substantially equal to the distance d2 between the front face of the intermediate bushing 16 and the bottom of the slots 43 carried by the thresher intended to receive said guide lugs 41 of the indexer.

Grâce à la forme trapézoïdale des encoches 43 portées par la batteuse 24, le déplacement vers la batteuse de l'indexeur 28 ultérieur à cette position transitoire, repousse la batteuse en rotation inverse jusqu'à sa position de repos. Il y a donc rappel de la batteuse en position de repos après débrayage du verrou.Thanks to the trapezoidal shape of the slots 43 carried by the thresher 24, the movement towards the thresher of the indexer 28 subsequent to this transient position, pushes the thresher in reverse rotation to its rest position. There is therefore reminder of the thresher in the rest position after disengagement of the lock.

Claims (14)

  1. A disengeable lock (10), in particular for a motor vehicle lock mechanism, includes a fixed stator (14), an intermediate sleeve (16) tubular which is rotatably mounted about its axis in the stator and which is axially fixed relative to the stator, a rotor (12) which is rotatably mounted in the sleeve which is fixed axially in the sleeve and which comprises flakes (32) radially movable under the action of a key intended to be axially introduced in the rotor, the rotor (12) and the intermediate sleeve (16) being prevented from rotating relative to each other by the glitters when the key is compliant and an indexer (28) which is axially movable between a position rest and a disengaged position, under the effect of a rotation of the sleeve (16) relative to the stator (14) following the rotational driving of the rotor by means of an incorrect key for moving axially driver (26) to a disengaged position, the driver (26) passing through a transitional position wherein the cam (24) undergoes a residual rotation before being locked in rotation through the indexer (28), characterized in that the displacement, subsequently to this transitional position, the indexer (28) toward the cam (24) pushes the cam (24) in opposite rotation to its rest position.
  2. A lock according to the preceding claim, characterized in that the indexer (28) and the driver (26) are cylindrical parts surrounding the rotor (12) and are movable nested one inside the other, in that the driver (26) is linked in translation on the rotor (12) and in that the indexer (28) is connected in translation in the stator (14).
  3. A lock according to claim 2, characterized in that the driver (26) is disengaged from the cam (24) in said disengaged position and the indexer (28) is integral in rotation with the cam (24), said disengaged position.
  4. A lock according to the preceding claim, characterized in that the indexer comprises (28) has on its edge facing the cam at least one guide tab (41) intended to cooperate with a notch (43) carried by the corresponding harvester this notch being trapezoid shape.
  5. Lock according to the preceding claim, characterized in that the indexer (28) comprises a main ring (38) and two guide lugs (41) trapezoidal in cross section by a tangential plane to the ring, which s extend axially toward the cam (24) from the ring.
  6. A lock according to any one of claims 4 or 5, characterized in that the distance (d1) between the external bases of said guide tab (40,41) of the indexer (28) is substantially equal to the distance (d2) between the end face of the intermediate sleeve (16) and the bottom of the notches (43) carried by the harvester for receiving said guide lugs (41) from the outside.
  7. A lock according to any one of claims 4 to 6, characterized in that the indexer (18) at least one other guide tab (40) intended to cooperate with a notch (42) carried by the corresponding intermediate sleeve (16).
  8. A lock according to the preceding claim, characterized in that the indexer (28) also comprises two guide lugs (40) trapezoidal in cross section by a tangential plane to the ring (38), which extend axially towards the key entry (18) from the ring.
  9. A lock according to the preceding claim, characterized in that the intermediate sleeve (16) has two corresponding recesses (42) to said first guide bars and the thresher (24) comprises two notches (43) corresponding to said first guide tabs .
  10. A lock according to the preceding claim, characterized in that the driver (26) has on its edge facing the cam (24) at least one guide flange (45) intended to cooperate with a notch (47) carried by corresponding the harvester (24).
  11. A lock according to the preceding claim, characterized in that the driver (26) has on its edge facing the keyway (18) at least one guide flange (44) intended to cooperate with a notch (46) corresponding bearing surface by the intermediate sleeve (16).
  12. A lock according to the preceding claim, characterized in that the driver (26) comprises a sleeve (39), two first guide flanges (44) trapezoidal in cross section by a tangential plane to the sleeve, which extend axially towards the thresher from the sleeve.
  13. Lock according to the preceding claim characterized in that the intermediate sleeve (16) comprises two notches (46) corresponding to said first guide flanges and the cam (26) comprises two notches (47) corresponding to said first guide flanges.
  14. A lock according to any one of claims 2 to 13, characterized in that the driver (26) is mobile inside the indexer (28).
EP06708448.3A 2005-03-04 2006-02-22 Releasable lock for a motor vehicle locking system Not-in-force EP1859112B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0502230A FR2882771B1 (en) 2005-03-04 2005-03-04 DEBRAYABLE LATCH FOR AUTOMOBILE LOCK MECHANISM
PCT/EP2006/060178 WO2006092373A1 (en) 2005-03-04 2006-02-22 Releasable lock for a motor vehicle locking system

Publications (2)

Publication Number Publication Date
EP1859112A1 EP1859112A1 (en) 2007-11-28
EP1859112B1 true EP1859112B1 (en) 2016-02-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06708448.3A Not-in-force EP1859112B1 (en) 2005-03-04 2006-02-22 Releasable lock for a motor vehicle locking system

Country Status (9)

Country Link
US (1) US8011215B2 (en)
EP (1) EP1859112B1 (en)
JP (1) JP4955579B2 (en)
KR (1) KR101247421B1 (en)
CN (1) CN101133221B (en)
BR (1) BRPI0608460B1 (en)
FR (1) FR2882771B1 (en)
MX (1) MX2007010748A (en)
WO (1) WO2006092373A1 (en)

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CN101133221B (en) 2012-09-05
KR20080002758A (en) 2008-01-04
FR2882771A1 (en) 2006-09-08
WO2006092373A1 (en) 2006-09-08
BRPI0608460B1 (en) 2017-05-23
KR101247421B1 (en) 2013-03-25
EP1859112A1 (en) 2007-11-28
MX2007010748A (en) 2007-09-12
FR2882771B1 (en) 2008-09-05
BRPI0608460A2 (en) 2010-01-05
US20100132420A1 (en) 2010-06-03
CN101133221A (en) 2008-02-27
JP4955579B2 (en) 2012-06-20
JP2008531887A (en) 2008-08-14
US8011215B2 (en) 2011-09-06

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