EP4038252B1 - Serrure de véhicule automobile - Google Patents

Serrure de véhicule automobile Download PDF

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Publication number
EP4038252B1
EP4038252B1 EP20780915.3A EP20780915A EP4038252B1 EP 4038252 B1 EP4038252 B1 EP 4038252B1 EP 20780915 A EP20780915 A EP 20780915A EP 4038252 B1 EP4038252 B1 EP 4038252B1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
auxiliary
drive
latch
vehicle door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20780915.3A
Other languages
German (de)
English (en)
Other versions
EP4038252A1 (fr
Inventor
Christian Sturm
Ulrich Weichsel
Thorsten Bendel
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.)
Kiekert AG
Original Assignee
Kiekert AG
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 Kiekert AG filed Critical Kiekert AG
Publication of EP4038252A1 publication Critical patent/EP4038252A1/fr
Application granted granted Critical
Publication of EP4038252B1 publication Critical patent/EP4038252B1/fr
Active 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
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/25—Actuators mounted separately from the lock and controlling the lock functions through mechanical connections
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • E05B2047/0013—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors more than one motor for the same function, e.g. for redundancy or increased power
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14—Power-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 motor vehicle lock, in particular a motor vehicle door lock, with an actuating lever system for releasing a locking mechanism, and also with a drive arrangement having a main drive working on the actuating lever mechanism with an electromotive main motor and, if necessary, a main gear connected downstream, for example for unlocking/opening the locking mechanism, and with a likewise on the actuating lever mechanism working auxiliary drive with electromotive auxiliary motor and downstream auxiliary gear, for example for emergency unlocking/emergency opening of the locking mechanism.
  • the motor vehicle lock is regularly a motor vehicle door lock, ie a lock arranged on or in a motor vehicle door. In principle, this also includes tailgate locks, locks for front hoods, seat locks, tank flaps, loading flaps, loading space flaps, sliding doors, etc.
  • the electrical actuation or unlocking/locking and also the opening of such motor vehicle locks and in particular motor vehicle door locks has long been described in literature and implemented in practice . Problems can occur such that, for example due to low voltage, the electromotive main motor or the main drive is not (or no longer) able, for example, to unlock or even open the actuating lever system. Similar problems can arise in the event of an accident or a crash if a connecting line to the battery in the motor vehicle or a main energy source is interrupted.
  • a comparable emergency control device for a locking system of a moving part of a vehicle is in DE 10 2017 125 719 A1 addressed to the applicant.
  • an actuating element that can be reached outside of a vehicle is provided, with the aid of which the locking system can be switched into a so-called emergency actuating mode by a user.
  • a communication unit can be brought into signal connection with an ID transmitter or an electronic key. This allows an authentication signal to be transmitted. If the authentication is positive, an electronic unit transfers the associated motor vehicle lock from a locked position to an unlocked position and vice versa. This is intended to enable locking and/or unlocking of the movable part or a door or hatch of the vehicle with the aid of the emergency actuation device, even when the vehicle or the vehicle electronics are essentially de-energized.
  • EP 2 857 616 B1 is a drive arrangement for a motor vehicle lock, the motor vehicle lock having a main motor for normal operation and a downstream planetary gear.
  • the known drive arrangement has an additional auxiliary motor for emergency operation, which is used in particular in the event of a crash.
  • the auxiliary motor is coupled to the planetary gear via a second gear element. This provides a high level of operational safety, particularly in the event of a crash. In addition, reduced installation space requirements are observed and a particularly compact embodiment is implemented.
  • the invention is based on the technical problem of further developing such a drive arrangement for a motor vehicle lock in such a way that the design and assembly costs are reduced and a particularly flexible solution is made available which can also be easily adapted to existing motor vehicle locks.
  • a generic drive arrangement for a motor vehicle lock within the scope of the invention is characterized in that the auxiliary drive is designed as part of an auxiliary module that is mechanically connected to the motor vehicle lock and is functionally independent and is locally separated from the motor vehicle lock, with the aid of the functionally independent auxiliary module and of the auxiliary drive as part of the auxiliary module in emergency operation, the actuating lever mechanism of the motor vehicle lock can be unlocked/opened in an emergency, independently of the main drive.
  • the auxiliary drive is initially designed as a component of the auxiliary module.
  • the auxiliary module is designed functionally independently of the motor vehicle lock and is also locally separated from it.
  • the auxiliary module refers to an exchangeable, complex element within an overall system, namely the motor vehicle lock.
  • the auxiliary module itself defines a functionally independent and closed functional unit.
  • the functionally independent design of the auxiliary module is expressed in the fact that the auxiliary module is only mechanically connected to the motor vehicle lock or can work on the actuating lever system of the motor vehicle lock via the mechanical connection. Otherwise, the auxiliary module is designed to be largely self-sufficient, for example it may have its own controller and an auxiliary power source.
  • the actuating lever system of the motor vehicle lock can now be unlocked/opened in an emergency, independently of the main drive.
  • the auxiliary module can not only have the auxiliary drive, but the auxiliary module is advantageously equipped with the additional auxiliary energy source in addition to the auxiliary drive.
  • the auxiliary energy source can be an energy source that is independent of the battery in the motor vehicle or the main energy source, for example a separate battery, capacitors, etc.
  • the auxiliary module is also advantageously equipped with the controller for the auxiliary drive.
  • the auxiliary module may also have a data interface for wireless communication with an electronic key.
  • the invention ensures that only the owner of the electronic key is authorized and able to unlock or open the locking mechanism in an emergency.
  • an authentication check may first take place between the data interface and the electronic key. Only after a positive authentication check is the auxiliary drive for emergency unlocking/emergency opening of the locking mechanism activated.
  • the design is usually such that the auxiliary gear downstream of the auxiliary motor has a high gear ratio.
  • a high gear ratio means a gear ratio of at least 1:100 or even more.
  • two or three stages of the auxiliary gear are usually used at this point, so that overall significantly higher transmission ratios of up to 1:1000 and even more can be achieved.
  • the auxiliary engine can be equipped with a particularly small design and low engine torque compared to the main engine.
  • auxiliary drive is able to act on the actuating lever system for emergency unlocking/emergency opening of the locking mechanism if the main drive fails. All this is possible with a significantly longer travel time compared to normal unlocking/opening of the locking mechanism, taking into account a compared to the prior art according to EP 2 857 616 B1 further reduced energy consumption.
  • the invention recommends, for example, a worm stage and, in addition, an evoloid stage. This will be explained in more detail with reference to the description of the figures.
  • the design is usually such that the motor vehicle lock has a housing that accommodates the main drive, the locking mechanism and the actuating lever system, which additionally has an interface for the mechanical connection of a connecting means coupling the auxiliary module to the motor vehicle lock.
  • This interface can be a locking cylinder interface.
  • auxiliary module is connected to the lock cylinder interface of the housing of the motor vehicle lock, which is typically implemented anyway, with the aid of the mechanical connecting means.
  • modifications to the actual motor vehicle lock are not required.
  • the auxiliary drive or the auxiliary module containing the auxiliary drive replaces the lock cylinder that is often used in practice and is set up at least for emergency unlocking of the motor vehicle lock if the vehicle battery fails.
  • the function of the lock cylinder for emergency unlocking can now be implemented and replaced, taking into account an electromotive solution, so that the key with key bit required to operate the lock cylinder can be omitted.
  • the auxiliary module is usually equipped with its own module housing that is independent of the housing of the motor vehicle lock.
  • the separate module housing supports the functionally independent design of the auxiliary module compared to the motor vehicle lock.
  • the mechanical connecting means ensures that the actuating lever system inside the motor vehicle lock can be unlocked/opened in an emergency as desired using the auxiliary drive as part of the auxiliary module in emergency operation and independently of the main drive.
  • connecting means is designed to be rigid.
  • connecting means such as a connecting rod, an adjusting rod, a rotating rod, etc. have proven to be particularly favorable.
  • the connecting means can also be designed to be flexible.
  • the connecting means is designed as a rope, Bowden cable, etc., for example.
  • the interface on or in the housing of the motor vehicle lock can be designed as a slotted nut, for example, into which a rotating rod for transmitting a rotary movement of the auxiliary drive of the auxiliary module engages.
  • a slotted nut is, inter alia, in DE 10 2009 001 851 A1 described by the applicant.
  • This is an emergency locking device using a lock cylinder.
  • an emergency locking switch nut is implemented, which is acted upon by a safety lever if a central locking device fails.
  • the connecting means is designed as a cable or Bowden cable, it can be hooked into or connected to a lever that is guided outside the housing of the motor vehicle door lock.
  • a drive arrangement for a motor vehicle lock is made available which is constructed and works in a structurally simple and flexible manner. Because of the design of the auxiliary drive as a component of an auxiliary module that is mechanically connected to the motor vehicle and is functionally independent, it is possible to retain the motor vehicle lock structurally and only upgrade it with the auxiliary module that is additionally provided. This applies in particular to a motor vehicle lock on a driver's door, which was previously and typically equipped with an additional lock cylinder in order to accomplish at least mechanical emergency unlocking via the lock cylinder. As a result, such a motor vehicle lock typically has a mechanical interface on or in the housing, via which the previously used lock cylinder was coupled to the actuating lever system inside the motor vehicle lock or its housing.
  • the auxiliary module with the associated auxiliary drive now assumes the function of the lock cylinder and for this purpose can be mechanically connected to the motor vehicle lock by the mechanical connecting means via the interface or lock cylinder interface already mentioned.
  • the auxiliary module is typically equipped with the auxiliary energy source and additional data interface.
  • the desired emergency unlocking or emergency opening of the actuating lever system and thus of the locking mechanism can still be implemented and implemented. This is where the main advantages can be seen.
  • a drive arrangement for a motor vehicle lock 1 is shown, which is a motor vehicle door lock 1 in the context of the illustration.
  • the motor vehicle door lock 1 is to inside one in the 2 partially opened motor vehicle door arranged, in which, according to the exemplary embodiment and not restrictively, is a motor vehicle side door and here specifically a motor vehicle driver's door.
  • the motor vehicle door lock 1 has a total of a housing 2. Inside the housing 2 you can see an actuating lever system 3, which is reduced to a release lever 3 according to the exemplary embodiment, which is used to release a locking mechanism 4, 5 consisting of a rotary latch 4 and a pawl 5.
  • a main drive 6 working on the actuating lever system 3 which is equipped with an electric motor main motor (not shown in detail) and a main gearbox that may be connected downstream and is also not shown in detail and works on the actuating lever system 3 or the release lever 3. In this way, the actuating lever mechanism 3 can be acted upon to unlock/open the locking mechanism 4, 5.
  • the main drive 6 inside the housing 2 of the motor vehicle door lock 1 ensures that the actuating lever mechanism 3 is moved to its “unlocked” or “locked” position.
  • the locking mechanism 4, 5 can be opened via a mechanical handle or another electric motor drive or the main drive 6.
  • the "locked" state of the actuating lever system 3 corresponds to the fact that the locking mechanism 4, 5 is in the 1 shown closed position maintained because the actuating lever mechanism 3 is mechanically interrupted.
  • auxiliary drive 7, 8, 9 which also works on the actuating lever system 3, is additionally implemented.
  • the auxiliary drive 7, 8, 9 has its own motor, which is completely independent of the main motor Auxiliary drive 7 and a downstream auxiliary gear 8 for emergency unlocking/emergency opening of the locking mechanism 4, 5.
  • the auxiliary drive 7, 8, 9 is designed as part of an auxiliary module 10 that is mechanically connected to the motor vehicle lock 1 and is functionally independent.
  • the auxiliary module 10 has its own module housing 11, which is designed locally and functionally independently of the housing 2 of the motor vehicle lock 1.
  • the module housing 11 of the auxiliary module 10 encloses the auxiliary drive 7, 8, 9 or the electromotive auxiliary motor 7 including the downstream one Auxiliary gear 8 and additionally a pivoting lever 9 acted upon by the auxiliary gear 8.
  • the mechanical connection between the auxiliary module 10 and the motor vehicle lock 1 is established via a mechanical connecting means 12 , which in the exemplary embodiment is a connecting rod or adjusting rod 12 .
  • the actuating rod 12 is evident from the 3 connected to the pivot lever 9, which in the 3 indicated pivoting movements about its axis, so that as a result of this, the actuating rod 12 which is also in the 3 indicated actuating movements in the direction of the double arrow, which are transferred to the actuating lever mechanism 3 for emergency unlocking/emergency opening of the locking mechanism 4, 5.
  • the transmission 8 following the auxiliary motor 7 is designed in three stages and in this way provides a high transmission ratio.
  • the electromotive auxiliary motor 7 can be designed to be small and compact with a low energy requirement, as has already been described in the introduction.
  • a total of one gear stage of the Gear 8 be designed as a worm stage and another gear stage as an evoloid stage.
  • the auxiliary module 10 also has an auxiliary energy source 13, which can be an accumulator, one or more capacitors or combinations.
  • the auxiliary module 10 is additionally equipped with a controller 14 for the auxiliary drive 7, 8, 9 and optionally a data interface. According to the exemplary embodiment, the controller 14 and the data interface are combined. With the help of the data interface, overall wireless communication can take place with an electronic key that is not shown in detail. This ensures that before the emergency unlocking or emergency opening with the help of the auxiliary module 10, the authorization of a user is first determined and his authentication check is carried out.
  • the auxiliary drive 7, 8, 9 is then only actuated if the authorization check is positive, in order to actuate the actuating lever system 3 of the motor vehicle lock 1 via the connecting rod or actuating rod 12 in such a way that the locking mechanism 4, 5 is unlocked or opened in an emergency.
  • the housing 2 of the motor vehicle lock 1 can be equipped with an interface 15 overall.
  • This interface 15 may be a nut or the like that is mounted in or on the housing 2 .
  • the actuating rod 12 or a connecting rod 12' to an outside door handle is inserted into the socket or interface 15 in question in order in this way to carry out the desired actuating movements on the actuating lever system 3 located inside the housing 2 for emergency unlocking or emergency opening of the locking mechanism 4 , 5 to be able to transfer.
  • the auxiliary module 10 is arranged on the housing 2 of the motor vehicle lock 1 and in this context which uses the interface 15 that is present in the housing 2 of the motor vehicle lock 1 anyway, via which a lock cylinder, which is not required in this case, is normally connected to the housing 2 of the motor vehicle lock 1 .
  • the mechanical connection between the auxiliary module 10 and the motor vehicle lock 1 is again effected via the connecting means 12 or the actuating rod 12 .
  • auxiliary drive 7, 8, 9 which is designed for this purpose as part of the motor vehicle lock 1 functionally independent auxiliary module 10, which is mechanically connected to the motor vehicle lock 1. Via this mechanical connection, the auxiliary drive 7, 8, 9 of the auxiliary module 10 can work on the actuating lever system 3 of the motor vehicle door lock 1 and ensure that the actuating lever system 3 for emergency unlocking/emergency opening of the locking mechanism 4, 5 is acted upon.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (10)

  1. Serrure de porte de véhicule automobile (1) comprenant un système de leviers d'actionnement (3) pour le déclenchement d'un mécanisme d'encliquetage (4, 5), comprenant en outre un système d'entraînement présentant un entraînement principal (6) comprenant un moteur électrique principal, travaillant sur le système de leviers d'actionnement (3), ainsi que, le cas échéant, un engrenage principal monté en aval, par exemple pour le déverrouillage/l'ouverture du mécanisme d'encliquetage (4, 5), et comprenant un entraînement auxiliaire (7, 8, 9) comprenant un moteur électrique auxiliaire (7), travaillant également sur le système de leviers d'actionnement (3), ainsi qu'un engrenage auxiliaire (8) monté en aval, par exemple pour le déverrouillage d'urgence/l'ouverture d'urgence du mécanisme d'encliquetage (4, 5), caractérisée en ce que l'entraînement auxiliaire (7, 8, 9) est conçu comme un composant d'un module auxiliaire (10) connecté mécaniquement à la serrure de porte de véhicule automobile (1) ainsi que fonctionnellement indépendant et est séparé physiquement de la serrure de véhicule automobile (1), le système de leviers d'actionnement (3) de la serrure de véhicule automobile (1) pouvant, en mode de fonctionnement d'urgence, être déverrouillée d'urgence/ouverte d'urgence à l'aide du module auxiliaire (10) fonctionnellement indépendant et de l'entraînement auxiliaire (7, 8, 9) en tant que composant du module auxiliaire (10) - indépendamment de l'entraînement principal (6).
  2. Serrure de porte de véhicule automobile (1) selon la revendication 1, caractérisée en ce que la serrure de véhicule automobile (1) présente un boîtier (2) recevant l'entraînement principal (6), le mécanisme d'encliquetage (4, 5) et le système de leviers d'actionnement (3).
  3. Serrure de porte de véhicule automobile (1) selon la revendication 1 ou 2, caractérisée en ce que le module auxiliaire (10) est muni d'un boîtier de module (11) propre indépendant du boîtier (2).
  4. Serrure de porte de véhicule automobile (1) selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le boîtier (2) de la serrure de véhicule automobile (1) présente une interface (15) pour la connexion mécanique d'un moyen de connexion (12) couplant le module auxiliaire (1) à la serrure de véhicule automobile (1).
  5. Serrure de porte de véhicule automobile (1) selon la revendication 4, caractérisée en ce que l'interface (15) est réalisée en tant qu'interface de cylindre de serrure.
  6. Serrure de porte de véhicule automobile (1) selon l'une quelconque des revendications 1 à 5, caractérisée en ce que le moyen de connexion (12) est conçu rigide, par exemple en tant que tige de connexion, tige de réglage (12), tige tournante, etc.
  7. Serrure de porte de véhicule automobile (1) selon l'une quelconque des revendications 1 à 6, caractérisée en ce que le moyen de connexion (12) est conçu flexible, par exemple en tant que corde, câble Bowden, etc.
  8. Serrure de porte de véhicule automobile (1) selon l'une quelconque des revendications 1 à 7, caractérisée en ce que le module auxiliaire (10) présente, outre l'entraînement auxiliaire (7, 8, 9), une source d'énergie auxiliaire (13).
  9. Serrure de porte de véhicule automobile (1) selon l'une quelconque des revendication 1 à 8, caractérisée en ce que le module auxiliaire (10) présente une commande (14) pour l'entraînement auxiliaire (7, 8, 9) ainsi que, le cas échéant, une interface de données pour la communication sans fil avec une clé électronique.
  10. Serrure de porte de véhicule automobile (1) selon l'une quelconque des revendications 1 à 9, caractérisée en ce que l'engrenage auxiliaire (8) monté en aval du moteur auxiliaire (7) est conçu avec un rapport de transmission élevé.
EP20780915.3A 2019-10-02 2020-09-22 Serrure de véhicule automobile Active EP4038252B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019126570.3A DE102019126570A1 (de) 2019-10-02 2019-10-02 Antriebsanordnung für ein Kraftfahrzeugschloss
PCT/DE2020/100819 WO2021063440A1 (fr) 2019-10-02 2020-09-22 Ensemble d'entraînement pour serrure de véhicule automobile

Publications (2)

Publication Number Publication Date
EP4038252A1 EP4038252A1 (fr) 2022-08-10
EP4038252B1 true EP4038252B1 (fr) 2023-05-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20780915.3A Active EP4038252B1 (fr) 2019-10-02 2020-09-22 Serrure de véhicule automobile

Country Status (3)

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EP (1) EP4038252B1 (fr)
DE (1) DE102019126570A1 (fr)
WO (1) WO2021063440A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021111853A1 (de) 2021-05-06 2022-11-10 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss, insbesondere Elektro-Schloss
DE102021123329A1 (de) 2021-09-09 2023-03-09 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1171950A (ja) * 1997-08-29 1999-03-16 Honda Motor Co Ltd 自動車用ドアロック装置
DE10251382A1 (de) * 2002-11-01 2004-05-13 Siemens Ag Verfahren zur Betätigung einer Sperrklinke in einem Schloss mit Drehfalle für ein Kraftfahrzeug
DE102006002119A1 (de) * 2005-01-19 2006-07-20 Marquardt Gmbh Schließsystem, insbesondere für ein Kraftfahrzeug
DE102009001851B4 (de) * 2009-03-25 2023-12-07 Kiekert Aktiengesellschaft Kraftfahrzeug mit Notverriegelungseinrichtungen mit Schaltnüssen für mechanische Aussenverriegelungen
DE102013012015A1 (de) * 2013-07-19 2015-01-22 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss
DE102013108718A1 (de) * 2013-08-12 2015-02-12 BROSE SCHLIEßSYSTEME GMBH & CO. KG Antriebsanordnung für eine Kraftfahrzeugkomponente
DE202013007862U1 (de) * 2013-09-05 2014-12-08 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss
DE102013111039A1 (de) * 2013-10-04 2015-04-09 BROSE SCHLIEßSYSTEME GMBH & CO. KG Antriebsanordnung für ein Kraftfahrzeugschloss
DE102014016787A1 (de) * 2014-11-14 2016-05-19 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss
DE202016100521U1 (de) * 2016-02-02 2016-02-29 BROSE SCHLIEßSYSTEME GMBH & CO. KG Schlosslogikanordnung
DE102017125719A1 (de) * 2017-11-03 2019-05-09 Kiekert Ag Notbetätigungsvorrichtung für ein bewegliches Teil eines Fahrzeugs

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Publication number Publication date
WO2021063440A1 (fr) 2021-04-08
EP4038252A1 (fr) 2022-08-10
DE102019126570A1 (de) 2021-04-08

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