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EP0807734B1 - Car door lock - Google Patents

Car door lock Download PDF

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Publication number
EP0807734B1
EP0807734B1 EP97401070A EP97401070A EP0807734B1 EP 0807734 B1 EP0807734 B1 EP 0807734B1 EP 97401070 A EP97401070 A EP 97401070A EP 97401070 A EP97401070 A EP 97401070A EP 0807734 B1 EP0807734 B1 EP 0807734B1
Authority
EP
European Patent Office
Prior art keywords
pawl
wrist
immobilizing
pin
disc
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
EP97401070A
Other languages
German (de)
French (fr)
Other versions
EP0807734A3 (en
EP0807734A2 (en
Inventor
Patrick Dupont
Joel Girard
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 GmbH and Co Schliessysteme KG
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo GmbH and Co Schliessysteme KG
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 GmbH and Co Schliessysteme KG, Valeo Securite Habitacle SAS filed Critical Valeo GmbH and Co Schliessysteme KG
Publication of EP0807734A2 publication Critical patent/EP0807734A2/en
Publication of EP0807734A3 publication Critical patent/EP0807734A3/en
Application granted granted Critical
Publication of EP0807734B1 publication Critical patent/EP0807734B1/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
    • E05B81/00Power-actuated vehicle locks
    • E05B81/12Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt

Definitions

  • the invention relates to a lock for a vehicle leaf automobile, in particular a door.
  • a lock for a door of a motor vehicle provided, on the side of the door, with a swivel bolt which, when the door is closed, surrounds a strike and is locked by means of a pivoting ratchet or catch.
  • the ratchet stop can pivot from a locking position to a release by means of a rotating eccentric which is connected to a motor electric through a gear.
  • the main disadvantage of this known lock is that the control of the pawl stop via the gear and the eccentric takes relatively much space.
  • the pawl remains in the release position until the eccentric turns an angle greater than 180 °.
  • the object of the invention is to propose a lock of the type mentioned above that the pawl returns the fastest possible in its locked position after reaching its position unlocking.
  • the lock must be capable of being mounted by taking the less space possible.
  • the lock according to the invention has two crank pins offset 180 ° from each other, the two crank pins protrude from the crank disc so that a rotation of 180 ° at most of this disc is enough to shoot and unlock the stop pawl.
  • a switch that can be actuated by the crankpins of the crankpin disc and which stops the electric motor whenever the pawl reaches its position unlocking.
  • the first link lever is in fork shape.
  • a damping piece can be arranged on the lock, the stop pawl having a stop, so that said stop pawl is braked by the damping part during pivoting movement caused by the spring of the pawl, the unlocking position to the locking position.
  • the gear can be a disc gear without brake; the crankpin disc can be a wheel.
  • the invention is based on the idea of using instead of a eccentric a crankpin disc with at least one crankpin arranged on this disc, which cooperates, directly or through a linkage lever with a stop pawl driver.
  • the position of crankpin on the crankpin disc and the length of the coach or link lever in the crankpin area helps to ensure that the crankpin drives the coach or linkage lever only until the release position is reached.
  • the coach or linkage lever has pivoted so far to cause of the crankpin that it passes over the coach or link lever and thus releases the stop pawl.
  • This stop pawl is then returned by an appropriate spring to its locked position, so that when the door is closed, the pawl can block the bolt in the known manner.
  • Figure 1 shows a designated car door lock by 1, the housing 2 of which has a hollow 3 which, when the door of the automobile is closed, houses a keeper 4, which is fixed to the bodywork of the automobile.
  • the striker 4 penetrates in the notch 5 of a bolt 6 which is arranged so as to be able turn around an axis 7 parallel to the keeper 4.
  • the bolt is blocked by a stop pawl 8 (figure 3).
  • the housing 2 further comprises an electric motor 9 which acts by via a worm gear 10 on a disc 11 to crankpins, which is a tangent wheel and which is housed so that be able to rotate about an axis 12.
  • the crank disc 11 comprises two crank pins 13, 14 placed opposite each other, which, during the rotation of the disc 11, penetrate each time into a hollow of a first link lever 15, constructed in the shape of a fork, and which make pivot the latter around an axis 16 ( Figure 2).
  • a second lever link 17 is also arranged on axis 16, which link lever 17 is integral in rotation with the first link lever 15 and is located against a driver 18 secured to the stop pawl 8.
  • the electric motor 9 is connected via conductors suitable for a control device (not shown), which is connected in turn to switches also not drawn placed on the door handles as well as a fitted miniature switch on the crankpin disc.
  • the electric motor 9 When, to open a car door, the handle of said door and therefore also the associated miniature switch, the electric motor 9 is activated by the device ordered. This electric motor drives through the worm gear 10 the disc 11.
  • One of the two crank pins 13, 14 enters the hollow 20 of the fork (Figure 1) of the first lever link 15, which pivots around the axis 16.
  • the second link lever 17 With the first lever link 15, the second link lever 17 also pivots and presses against the driver 18 of the pawl 8 and rotates it in the direction arrow 22 ( Figure 3) going against the pressure of a spring 21 (figure 2). This operation continues until the bolt 6 is no longer blocked by the stop pawl 8 (unlocking position). Once the blocking by the pawl 8 is removed, the door of the automobile opens by the pressure of the outer seals of the door and the striker 4 is removed from the recess 3.
  • crankpin 13, 14 concerned passes over the end 23, located on the side of the crankpin, of the first link lever 15.
  • the spring 21 brings the stop pawl 8 in the locked position by pressing it, a Too brutal shock being avoided by means of a damping piece 24.
  • the miniature switch (not shown) is located on the disc 11 is actuated by the second crankpin 14, 13 respectively, the electric motor 9 is stopped via the control device and the disc 11 is electrically braked.
  • the gear is a worm gear.
  • the crankpin disc can also have only one crank pin or more than two crank pins.

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  • Lock And Its Accessories (AREA)

Description

L'invention concerne une serrure pour un ouvrant de véhicule automobile, notamment une portière.The invention relates to a lock for a vehicle leaf automobile, in particular a door.

L'invention concerne plus spécifiquement une serrure comportant un pêne pivotant qui, lorsque la portière est fermée, entoure une gâche agencée dans la carrosserie du véhicule, le pêne pouvant être bloqué au moyen d'un cliquet d'arrêt pivotant et le cliquet d'arrêt pouvant, pour l'ouverture de la portière, pivoter d'une position de blocage à une position de déblocage à l'encontre de la pression d'un ressort, au moyen d'un moteur électrique équipé d'un engrenage, serrure dans laquelle :

  • a) l'engrenage entraíne un disque rotatif à manetons qui porte au moins un maneton ;
  • b) le maneton s'engrène directement ou par l'intermédiaire d'au moins un levier de liaison sur un entraíneur du cliquet d'arrêt, de telle sorte que
  • c) lors de l'opération d'ouverture, en tournant le disque à manetons, le maneton fait d'abord pivoter le cliquet d'arrêt dans sa position de déblocage, et
  • d) le disque à manetons continue ensuite à tourner jusqu'à ce que le maneton se trouve hors de coopération avec l'entraíneur du cliquet d'arrêt ou du levier de liaison et le cliquet d'arrêt est ramené à pivotement par son ressort dans sa position de blocage.
  • The invention relates more specifically to a lock comprising a pivoting bolt which, when the door is closed, surrounds a keeper arranged in the body of the vehicle, the bolt being able to be locked by means of a pivoting stop pawl and the pawl. stop which can, for opening the door, pivot from a locking position to an unlocking position against the pressure of a spring, by means of an electric motor equipped with a gear, lock in which :
  • a) the gear drives a rotary crankpin disc which carries at least one crankpin;
  • b) the crank pin meshes directly or via at least one connecting lever on a driver of the stop pawl, so that
  • c) during the opening operation, by turning the crankpin disc, the crankpin first rotates the stop pawl to its unlocked position, and
  • d) the crankpin disc then continues to rotate until the crankpin is out of cooperation with the drive of the stop pawl or of the link lever and the stop pawl is pivotally returned by its spring in its blocking position.
  • On connaít, par exemple par DE 32 42 527 A1, une serrure pour une portière de véhicule automobile munie, du côté de la portière, d'un pêne pivotant qui, lorsque la portière est fermée, entoure une gâche et est bloqué au moyen d'un cliquet ou cran d'arrêt pivotant. Le cliquet d'arrêt peut pivoter d'une position de blocage à une position de déblocage au moyen d'un excentrique tournant qui est relié à un moteur électrique par l'intermédiaire d'un engrenage. Le principal inconvénient de cette serrure connue est que la commande du cliquet d'arrêt par l'intermédiaire de l'engrenage et de l'excentrique prend relativement beaucoup de place. En outre, le cliquet d'arrêt reste dans la position de déblocage jusqu'à ce que l'excentrique tourne d'un angle supérieur à 180°. Lorsque l'excentrique coince ou lors d'une panne de courant, on ne peut que très difficilement refaire pivoter le cliquet d'arrêt dans sa position de blocage.We know, for example from DE 32 42 527 A1, a lock for a door of a motor vehicle provided, on the side of the door, with a swivel bolt which, when the door is closed, surrounds a strike and is locked by means of a pivoting ratchet or catch. The ratchet stop can pivot from a locking position to a release by means of a rotating eccentric which is connected to a motor electric through a gear. The main disadvantage of this known lock is that the control of the pawl stop via the gear and the eccentric takes relatively much space. In addition, the pawl remains in the release position until the eccentric turns an angle greater than 180 °. When the eccentric jams or during a breakdown of current, it is very difficult to re-rotate the ratchet in its locked position.

    L'invention a pour objet de proposer une serrure du type mentionné ci-dessus selon laquelle le cliquet d'arrêt revient le plus vite possible dans sa position de blocage après avoir atteint sa position de déblocage. En outre, la serrure doit pouvoir être montée en prenant le moins de place possible.The object of the invention is to propose a lock of the type mentioned above that the pawl returns the fastest possible in its locked position after reaching its position unlocking. In addition, the lock must be capable of being mounted by taking the less space possible.

    Ce problème est résolu selon l'invention par le fait que :

    • le cliquet d'arrêt comporte un entraíneur en forme de pion,
    • deux leviers de liaison, agencés l'un derrière l'autre et pouvant pivoter autour d'un même axe, sont prévus entre le disque à manetons et le cliquet d'arrêt, de telle sorte que
    • pour faire pivoter le cliquet d'arrêt dans sa position de déblocage, le maneton peut faire pivoter le premier levier de liaison proche du disque à manetons et que le second levier de liaison entraíne l'entraíneur du cliquet d'arrêt.
    This problem is solved according to the invention by the fact that:
    • the pawl includes a pin-shaped coach,
    • two connecting levers, arranged one behind the other and able to pivot about the same axis, are provided between the crank disc and the pawl, so that
    • to rotate the stop pawl in its unlocked position, the crankpin can rotate the first link lever close to the crank disc and the second link lever causes the driver of the stop pawl.

    Dans un mode préféré de réalisation, la serrure selon l'invention comporte deux manetons décalés de 180° l'un par rapport à l'autre, les deux manetons se trouvent en saillie sur le disque à manetons de sorte qu'il suffit d'une rotation de 180° au maximum de ce disque pour tirer et débloquer le cliquet d'arrêt. On peut prévoir un interrupteur qui peut être actionné par les manetons du disque à manetons et qui arrête le moteur électrique à chaque fois que le cliquet d'arrêt atteint sa position de déblocage. Avantageusement, le premier levier de liaison est en forme de fourche. Une pièce d'amortissement peut être agencée sur la serrure, le cliquet d'arrêt comportant une butée, de sorte que ledit cliquet d'arrêt est freiné par la pièce d'amortissement lors du mouvement de pivotement provoqué par le ressort du cliquet, de la position de déblocage à la position de blocage. L'engrenage peut être un engrenage à disque sans frein ; le disque à manetons peut être une roue.In a preferred embodiment, the lock according to the invention has two crank pins offset 180 ° from each other, the two crank pins protrude from the crank disc so that a rotation of 180 ° at most of this disc is enough to shoot and unlock the stop pawl. We can provide a switch that can be actuated by the crankpins of the crankpin disc and which stops the electric motor whenever the pawl reaches its position unlocking. Advantageously, the first link lever is in fork shape. A damping piece can be arranged on the lock, the stop pawl having a stop, so that said stop pawl is braked by the damping part during pivoting movement caused by the spring of the pawl, the unlocking position to the locking position. The gear can be a disc gear without brake; the crankpin disc can be a wheel.

    L'invention repose sur l'idée d'utiliser à la place d'un excentrique un disque à manetons avec au moins un maneton agencé sur ce disque, qui coopère, directement ou par l'intermédiaire d'un levier de liaison avec un entraíneur du cliquet d'arrêt. La position du maneton sur le disque à manetons et la longueur de l'entraíneur ou du levier de liaison dans la zone du maneton permet de faire en sorte que le maneton entraíne l'entraíneur ou le levier de liaison seulement jusqu'à ce que la position de déblocage soit atteinte. Une fois que le pêne est débloqué, l'entraíneur ou le levier de liaison a pivoté si loin à cause du maneton que celui-ci passe au-dessus de l'entraíneur ou du levier de liaison et débloque donc le cliquet d'arrêt. Ce cliquet d'arrêt est ensuite ramené par un ressort approprié dans sa position de blocage, de telle sorte que, lorsque l'on ferme la portière, le cliquet d'arrêt peut bloquer le pêne de la façon connue.The invention is based on the idea of using instead of a eccentric a crankpin disc with at least one crankpin arranged on this disc, which cooperates, directly or through a linkage lever with a stop pawl driver. The position of crankpin on the crankpin disc and the length of the coach or link lever in the crankpin area helps to ensure that the crankpin drives the coach or linkage lever only until the release position is reached. Once the bolt is unlocked, the coach or linkage lever has pivoted so far to cause of the crankpin that it passes over the coach or link lever and thus releases the stop pawl. This stop pawl is then returned by an appropriate spring to its locked position, so that when the door is closed, the pawl can block the bolt in the known manner.

    Pour que le cliquet d'arrêt ne soit pas trop brutalement freiné dans son mouvement vers la position de blocage, il s'est avéré avantageux d'agencer sur la serrure une pièce d'amortissement, par exemple en caoutchouc, par l'intermédiaire de laquelle le cliquet d'arrêt est freiné.So that the pawl is not too suddenly braked in its movement to the blocking position it turned out advantageous to arrange on the lock a damping piece, by rubber example, through which the ratchet stop is braked.

    Dans une autre variante de l'invention, on propose d'utiliser comme engrenage un engrenage à vis sans fin, le disque à ergots étant construit comme une roue dentée et correspondant ainsi à une partie de l'engrenage. Une telle disposition offre l'avantage de pouvoir être construite de manière à prendre très peu de place.In another variant of the invention, it is proposed to use as a gear a worm gear, the lug disc being built like a gear wheel and thus corresponding to part of the gear. The advantage of such a provision is that it can be built to take up very little space.

    Tandis que le démarrage du moteur électrique est déclenché par un interrupteur agencé sur la poignée de la portière, l'arrêt du moteur s'effectue, de préférence, au moyen d'un interrupteur miniature, qui peut être actionné par le disque à manetons, dès que le cliquet d'arrêt se trouve dans la position de déblocage (et donc dès que le maneton concerné actionnant l'entraíneur ou le levier de liaison est passé par-dessus ces pièces). A l'arrêt du moteur, le disque à manetons est freiné (électriquement) par le moteur.While the start of the electric motor is triggered by a switch arranged on the door handle, stopping the engine preferably done by means of a miniature switch, which can be actuated by the crankpin disc, as soon as the stop pawl is in the unlocked position (and therefore as soon as the crankpin concerned actuating the coach or the linkage lever has passed over these parts). When the engine stops, the crank disc is braked (electrically) by the motor.

    D'autres particularités et avantages de l'invention se déduisent de l'exemple de réalisation suivant décrit à l'aide du dessin annexé, sur lequel :

    • la figure 1 est une vue de l'arrière de la serrure après avoir retiré le boítier ;
    • la figure 2 est une coupe selon II-II de la figure 1, le disque à manetons étant dessiné tourné de 90° par rapport à la figure 1 ;
    • la figure 3 est une coupe selon III-III de la figure 2.
    Other particularities and advantages of the invention are deduced from the following embodiment described with the aid of the appended drawing, in which:
    • Figure 1 is a view of the rear of the lock after removing the housing;
    • Figure 2 is a section on II-II of Figure 1, the crankpin disc being drawn rotated 90 ° relative to Figure 1;
    • FIG. 3 is a section on III-III of FIG. 2.

    La figure 1 montre une serrure de portière d'automobile désignée par 1 dont le boítier 2 comporte un creux 3 qui, lorsque la portière de l'automobile est fermée, loge une gâche 4, qui est fixée à la carrosserie de l'automobile. Lors de la fermeture de la portière, la gâche 4 pénètre dans l'encoche 5 d'un pêne 6 qui est agencé de manière à pouvoir tourner autour d'un axe 7 parallèle à la gâche 4. Lorsque la portière de l'automobile est fermée, le pêne est bloqué par un cliquet d'arrêt 8 (figure 3).Figure 1 shows a designated car door lock by 1, the housing 2 of which has a hollow 3 which, when the door of the automobile is closed, houses a keeper 4, which is fixed to the bodywork of the automobile. When the door closes, the striker 4 penetrates in the notch 5 of a bolt 6 which is arranged so as to be able turn around an axis 7 parallel to the keeper 4. When the door of the automobile is closed, the bolt is blocked by a stop pawl 8 (figure 3).

    Le boítier 2 comprend en plus un moteur électrique 9 qui agit par l'intermédiaire d'un engrenage à vis sans fin 10 sur un disque 11 à manetons, qui est une roue tangente et qui est logé de manière à pouvoir tourner autour d'un axe 12. Le disque à manetons 11 comporte deux manetons 13, 14 placés à l'opposé l'un de l'autre, qui, lors de la rotation du disque 11, pénètrent à chaque fois dans un creux d'un premier levier de liaison 15, construit en forme de fourche, et qui font pivoter ce dernier autour d'un axe 16 (figure 2). Un second levier de liaison 17 est également agencé sur l'axe 16, lequel levier de liaison 17 est solidaire en rotation, du premier levier de liaison 15 et se trouve contre un entraíneur 18 solidaire du cliquet d'arrêt 8.The housing 2 further comprises an electric motor 9 which acts by via a worm gear 10 on a disc 11 to crankpins, which is a tangent wheel and which is housed so that be able to rotate about an axis 12. The crank disc 11 comprises two crank pins 13, 14 placed opposite each other, which, during the rotation of the disc 11, penetrate each time into a hollow of a first link lever 15, constructed in the shape of a fork, and which make pivot the latter around an axis 16 (Figure 2). A second lever link 17 is also arranged on axis 16, which link lever 17 is integral in rotation with the first link lever 15 and is located against a driver 18 secured to the stop pawl 8.

    Le moteur électrique 9 est relié par l'intermédiaire de conducteurs appropriés à un dispositif de commande (non dessiné), qui est relié quant à lui à des interrupteurs également non dessinés placés sur les poignées de portière ainsi qu'à un interrupteur miniature agencé sur le disque à manetons.The electric motor 9 is connected via conductors suitable for a control device (not shown), which is connected in turn to switches also not drawn placed on the door handles as well as a fitted miniature switch on the crankpin disc.

    Lorsque, pour ouvrir une portière d'automobile, on actionne la poignée de ladite portière et donc aussi l'interrupteur miniature associé, le moteur électrique 9 est activé par l'intermédiaire du dispositif de commande. Ce moteur électrique entraíne par l'intermédiaire de l'engrenage à vis sans fin 10 le disque 11. Un des deux manetons 13, 14 pénètre dans le creux 20 de la fourche (figure 1) du premier levier de liaison 15, qui pivote autour de l'axe 16. Avec le premier levier de liaison 15, le second levier de liaison 17 pivote aussi et il appuie contre l'entraíneur 18 du cliquet d'arrêt 8 et fait pivoter celui-ci dans le sens de la flèche 22 (figure 3) en allant à l'encontre de la pression d'un ressort 21 (figure 2). Cette opération se poursuit jusqu'à ce que le pêne 6 ne soit plus bloqué par le cliquet d'arrêt 8 (position de déblocage). Une fois que le blocage par le cliquet d'arrêt 8 est supprimé, la portière de l'automobile s'ouvre par la pression des joints extérieurs de la portière et la gâche 4 est retirée hors du creux 3.When, to open a car door, the handle of said door and therefore also the associated miniature switch, the electric motor 9 is activated by the device ordered. This electric motor drives through the worm gear 10 the disc 11. One of the two crank pins 13, 14 enters the hollow 20 of the fork (Figure 1) of the first lever link 15, which pivots around the axis 16. With the first lever link 15, the second link lever 17 also pivots and presses against the driver 18 of the pawl 8 and rotates it in the direction arrow 22 (Figure 3) going against the pressure of a spring 21 (figure 2). This operation continues until the bolt 6 is no longer blocked by the stop pawl 8 (unlocking position). Once the blocking by the pawl 8 is removed, the door of the automobile opens by the pressure of the outer seals of the door and the striker 4 is removed from the recess 3.

    Comme le disque à manetons 11 continue de tourner, le maneton 13, 14 concerné passe par-dessus l'extrémité 23, située du côté du maneton, du premier levier de liaison 15. Le ressort 21 ramène le cliquet d'arrêt 8 dans la position de blocage en appuyant dessus, un choc trop brutal étant évité au moyen d'une pièce d'amortissement 24. Sensiblement en même temps, l'interrupteur miniature (non dessiné) se trouvant sur le disque 11 est actionné par le second maneton 14, 13 respectivement, le moteur électrique 9 est arrêté par l'intermédiaire du dispositif de commande et le disque 11 est freiné électriquement.As the crank disc 11 continues to rotate, the crankpin 13, 14 concerned passes over the end 23, located on the side of the crankpin, of the first link lever 15. The spring 21 brings the stop pawl 8 in the locked position by pressing it, a Too brutal shock being avoided by means of a damping piece 24. At the same time, the miniature switch (not shown) is located on the disc 11 is actuated by the second crankpin 14, 13 respectively, the electric motor 9 is stopped via the control device and the disc 11 is electrically braked.

    L'invention ne se limite naturellement pas à l'exemple de réalisation décrit ci-dessus. Par exemple, il n'est pas obligatoire que l'engrenage soit un engrenage à vis sans fin. Celles des extrémités de l'entraíneur du cliquet d'arrêt ou des leviers de liaison qui sont proches du disque à manetons ne doivent pas obligatoirement être construites en forme de fourches. En outre, le disque à manetons peut aussi comporter un seul maneton ou au contraire plus de deux manetons.The invention is naturally not limited to the example of realization described above. For example, it is not mandatory that the gear is a worm gear. Those of the ends of the trainer of the pawl or the link levers which are close of the crankpin disc does not have to be built in fork shape. In addition, the crankpin disc can also have only one crank pin or more than two crank pins.

    Claims (7)

    1. Motor vehicle door lock comprising a pivoting catch ( 6 ) which, when the door is closed, surrounds the striker (4) arranged in the bodywork of the vehicle, it being possible for the catch (6) to be locked in place by means of a pivoting immobilizing pawl (8) and it being possible for the immobilizing pawl (8) in order to open the door, to pivot from a locking position into an unlocking position against the pressure of a spring (21), by means of an electric motor (9) fitted with gearing (10), in which lock:
      a) the gearing (10) drives a rotary wrist-pin disc (11) which carries at least one wrist pin (13, 14);
      b) the wrist pin (13, 14) meshes directly or by at least one connecting lever (15, 17) with a driver (18) of the immobilizing pawl (8) so that
      c) during the opening operation, by rotating the wrist-pin disc (11), the wrist pin (13, 14) first of all causes the immobilizing pawl (8) to pivot into its unlocked position, and
      d) the wrist-pin disc (11) then continues to turn until the wrist pin (13, 14) is no longer in collaboration with the driver (18) of the immobilizing pawl (8) or of the connecting lever (15, 17) and the immobilizing pawl (8) is returned by pivoting by its spring (21) to its locked position,
      characterized in that the immobilizing pawl (8) comprises:
      a peg-shaped driver (18),
      two connecting levers (15, 17) arranged one behind the other, capable of pivoting about one and the same axis (16) and provided between the wrist-pin disc (11) and the immobilizing pawl (8),
      so that, in order to pivot the immobilizing pawl (8) into its unlocked position, the wrist pin (13, 14) can cause the first connecting lever (15) to pivot close to the wrist-pin disc (11)
      and the second connecting lever (17) drives the driver (18) of the immobilizing pawl (8).
    2. Lock according to Claim 1, characterized in that two wrist pins (13, 14), offset from one another by 180°, project from the wrist-pin disc (11) so that the wrist-pin disc (11) needs to be rotated through 180° at most in order to pull and unlock the immobilizing pawl (8).
    3. Lock according to one of Claims 1 and 2, characterized in that there is a switch which can be actuated by the wrist pins (13, 14) of the wrist-pin disc (11) and which stops the electric motor (9) each time the immobilizing pawl (8) reaches its unlocked position.
    4. Lock according to one of Claims 1 to 3, characterized in that the first connecting lever (15) is fork-shaped.
    5. Lock according to one of Claims 1 to 4, characterized in that a damping piece (24) is arranged on the lock (1) and in that the immobilizing pawl (8) has an end stop so that the immobilizing pawl (8) is slowed by the damping piece (24) during the pivoting movement brought about by the spring (21) from the unlocked position to the locked position.
    6. Lock according to one of Claims 1 to 5, characterized in that the gearing (10) involves a worm.
    7. Lock according to one of Claims 1 to 6, characterized in that the wrist-pin disc (11) is a gear wheel.
    EP97401070A 1996-05-17 1997-05-14 Car door lock Expired - Lifetime EP0807734B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19619958A DE19619958C2 (en) 1996-05-17 1996-05-17 Lock for a motor vehicle door
    DE19619958 1996-05-17

    Publications (3)

    Publication Number Publication Date
    EP0807734A2 EP0807734A2 (en) 1997-11-19
    EP0807734A3 EP0807734A3 (en) 1999-01-20
    EP0807734B1 true EP0807734B1 (en) 2001-04-18

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    ID=7794601

    Family Applications (2)

    Application Number Title Priority Date Filing Date
    EP97401069A Expired - Lifetime EP0812972B1 (en) 1996-05-17 1997-05-14 Electrically operated car door lock
    EP97401070A Expired - Lifetime EP0807734B1 (en) 1996-05-17 1997-05-14 Car door lock

    Family Applications Before (1)

    Application Number Title Priority Date Filing Date
    EP97401069A Expired - Lifetime EP0812972B1 (en) 1996-05-17 1997-05-14 Electrically operated car door lock

    Country Status (4)

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    EP (2) EP0812972B1 (en)
    BR (2) BR9706869A (en)
    DE (3) DE19619958C2 (en)
    ES (2) ES2196273T3 (en)

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    Also Published As

    Publication number Publication date
    BR9704848A (en) 2000-08-01
    EP0812972A2 (en) 1997-12-17
    EP0812972A3 (en) 1999-03-03
    ES2196273T3 (en) 2003-12-16
    DE69704587D1 (en) 2001-05-23
    EP0807734A3 (en) 1999-01-20
    DE69720597T2 (en) 2003-12-24
    BR9706869A (en) 2003-05-27
    EP0807734A2 (en) 1997-11-19
    DE69704587T2 (en) 2001-10-18
    EP0812972B1 (en) 2003-04-09
    DE69720597D1 (en) 2003-05-15
    ES2157053T3 (en) 2001-08-01
    DE19619958C2 (en) 1999-10-21
    DE19619958A1 (en) 1997-11-20

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