EP4146896A1 - Türantrieb für eine kraftfahrzeug-tür oder kraftfahrzeug-klappe - Google Patents
Türantrieb für eine kraftfahrzeug-tür oder kraftfahrzeug-klappeInfo
- Publication number
- EP4146896A1 EP4146896A1 EP21727350.7A EP21727350A EP4146896A1 EP 4146896 A1 EP4146896 A1 EP 4146896A1 EP 21727350 A EP21727350 A EP 21727350A EP 4146896 A1 EP4146896 A1 EP 4146896A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor vehicle
- force transmission
- transmission element
- door
- toothing
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F7/00—Accessories for wings not provided for in other groups of this subclass
- E05F7/04—Arrangements affording protection against rattling
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/614—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by meshing gear wheels, one of which being mounted at the wing pivot axis; operated by a motor acting directly on the wing pivot axis
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
- E05F15/619—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using flexible or rigid rack-and-pinion arrangements
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/218—Holders
- E05Y2201/222—Stabilizers, e.g. anti-rattle devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
- E05Y2201/47—Springs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/71—Toothed gearing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/71—Toothed gearing
- E05Y2201/716—Pinions
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/71—Toothed gearing
- E05Y2201/722—Racks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/20—Combinations of elements
- E05Y2800/242—Combinations of elements arranged in parallel relationship
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/26—Form or shape
- E05Y2800/266—Form or shape curved
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/26—Form or shape
- E05Y2800/292—Form or shape having apertures
- E05Y2800/296—Slots
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/40—Physical or chemical protection
- E05Y2800/422—Physical or chemical protection against vibration or noise
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
Definitions
- the invention relates to a door drive for a motor vehicle door or a motor vehicle flap, with an electric motor drive and a gear connected downstream of the drive, and with a power transmission element which is operatively connected to a wing of the motor vehicle door or motor vehicle flap, with an output element of the transmission and the power transmission element are coupled by a toothing with backlash compensation.
- Door drives for motor vehicle doors or motor vehicle flaps are widely used in practice and are described by way of example in WO 2017/029163 A1.
- the motor vehicle door moved in this way is typically a motor vehicle side door, for example a motor vehicle driver's door or a motor vehicle passenger door.
- the motor vehicle flap driven with the aid of such a door drive is generally designed as a motor vehicle flap, motor vehicle cargo hold flap, motor vehicle engine compartment flap, motor vehicle fuel filler flap, motor vehicle front hood, etc.
- the force transmission element can be an adjustment part, as is described in WO 2017/029163 A1, which has already been referred to above.
- Other power transmission elements are treated as example, gears in the further prior art according to DE 43 31 384 A1.
- a control device is provided which controls a drive motor in such a way that the drive motor executes a further adjustment path in addition to an adjustment path with each movement reversal, which corresponds to the overall mechanical play of a transmission element arrangement implemented in this way. In this way, a very good setting accuracy can be made available with minimal cost and space requirements.
- the play in this context is compensated for by the additionally moved drive motor in accordance with signals from the control device.
- Such a backlash compensation is typically only noticeable at the end points of an adjustment path, but is not able to compensate for any component tolerances, wear and associated play during the adjustment path.
- Such a game is often noticed by a user and perceived as unpleasant because the motor-driven wing of the motor vehicle door or motor vehicle flap can usually also be moved or moved further manually.
- the generic prior art according to DE 101 14 938 B4 deals with a device for operating an automobile swing door.
- the device has an electric motor, an output gear and a rack member.
- a sliding device is provided which supports the rack member.
- the sliding device is arranged on the inside and / or outside of the rack member and suppresses lateral movement of the rack member.
- the known actuating device according to DE 101 14938 B4 also shows a biasing member which is held by a holding member in order to act on the rack member mentioned above in the direction of an output gear of a transmission following the electric motor. With the help of the biasing member, a gear engagement between the rack member and the output gear is ensured.
- the prestressing member can be designed as a helical spring or leaf spring or it can also be made of rubber and fitted into a press fit.
- a play compensation is made available, which is made available by the resilient biasing member, so to speak.
- fatigue of the tendon on longer time scales, increased wear, etc. can often not (no longer) be compensated for in practice. This is where the invention comes in.
- the invention is based on the technical problem of further developing such a door drive for a motor vehicle door or motor vehicle flap in such a way that proper backlash compensation in the drive train of the wing for the motor vehicle door or motor vehicle flap is simple, permanent and taking into account a robust embodiment Is provided.
- a generic door drive for a motor vehicle door or motor vehicle flap is characterized within the scope of the invention in that the toothing is designed in two parts for engagement on the one hand in the force transmission element and on the other hand in a compensating element elastically coupled to the force transmission element, the Compensating element for clearance clearance has an angular velocity that differs from the force transmission element for realizing a relative angle between the two elements.
- the force transmission element and the compensating element are therefore elastically coupled to one another.
- the compensating element has an angular velocity that differs from the force transmission element to provide clearance. This deviating angle speed leads to a relative angle between the two elements, that is, between the force transmission element and the compensation element. Since, in addition, both elements are acted upon by the common output element of the transmission, this differential effect caused by the relative angle between the two elements leads to the fact that any play between the output element and the force transmission element is compensated for.
- the output element is equipped with the two-part toothing. Part of the toothing interacts with the force transmission element, while the other part of the toothing is in operative connection with the compensating element.
- the overall design is such that the relative angle between the two elements realized by the different angular speed of the compensating element compared to the force transmission element is dimensioned in such a way that a maximum of maximum play can be compensated on the one hand and, on the other hand, the elastic play when the maximum relative angle is reached Coupling between the two elements is not damaged. Overall, this ensures that the relative angle can in principle vary, depending on how large the play to be compensated is. Such a variation is easily possible due to the elastic coupling of the two elements.
- the compensating element is advantageously effective parallel to the force transmission element.
- the compensating element is therefore mounted on or on the force transmission element.
- an eccentric bearing is used here. That is to say, the compensating element is eccentrically mounted on or on the force transmission element in comparison with the latter.
- the design is such that an axis of the compensating element and an axis of the power transmission element are arranged at a distance from one another in the direction of the output element. In fact, the two axes can be arranged one above the other or one below the other.
- the design is such that the axis of the compensating element in the direction of the output element is arranged at a distance above the axis of the power transmission element, because the compensating element is generally designed "smaller” than the power transmission element also a higher angular speed compared to the power transmission element.
- Advantageous measures of the invention aim in the same direction, according to which the compensating element has a smaller number of teeth than the force transmission element.
- the same circumferential speeds on the power transmission element and the compensating element can be assumed because the circumferential speed is ultimately determined by the output element, which, with its two-part teeth, engages the force transmission element on the one hand and the compensating element on the other.
- the compensation element is equipped with a larger number of teeth than the force transmission element and accordingly the axis of the compensation element is located in the direction of the output element below or below the axis of the force transmission element.
- the elastic coupling between the two elements usually has a zero position without any force transmission. Usually the corresponds Zero position for the closed position of the wing of the motor vehicle door or motor vehicle flap with respect to a motor vehicle body. Starting from this zero position, an increasingly growing relative angle between the two elements now leads to the elastic coupling or an elastic element implemented at this point being increasingly deflected and consequently counteracting the growing relative angle with an increasing counterforce caused by the deflection.
- the output element can generally engage in an external gear or external toothing of the two elements, that is to say the force transmission element as well as the compensating element.
- the output element engages an internal gear or an internal toothing of the two elements.
- mixed forms are of course also conceivable in which the output element engages, for example, in an external gear or external toothing of the power transmission element and an internal gear or internal toothing of the compensating element.
- the output element engages in an internal gear or an internal toothing of the force transmission element and an external gear or an external toothing of the compensating element.
- the design is such that the output element engages in an internal gear or an internal toothing of the power transmission element as well as the compensating element.
- both elements are configured in the shape of a segment of a circle with a respective engagement opening for the output element. Because the output element can engage in this engagement opening, both elements are in this case equipped with a respective internal gear or internal toothing.
- a door drive is made available which, in particular in the area of its abrasion level, has an effective and, at the same time, automatic play compensation.
- the compensation element is assigned to the force transmission element, the two elements therefore being elastically coupled to one another.
- the compensation element describes the Clearance of play a relative angle compared to the force transmission element, namely against the force of the elastic coupling or the elastic coupling element provided at this point.
- the play compensation can be specified variably and can, for example, grow over the product life and thus ensure a particularly advantageous feel over the entire time thereafter. This is where the main advantages can be seen.
- Fig. 1 The door drive for a motor vehicle door or motor vehicle flap in an overview
- FIG. 1 shows a wing 1 of the motor vehicle door or motor vehicle flap in question.
- the door drive to be described in detail below is arranged in the area of an axis or axis of rotation of the door leaf or door leaf 1, which, however, is not a mandatory condition. In any case, the door drive is able to pivot the leaf 1 about its axis or axis of rotation.
- the motor vehicle door in the context of the example is a motor vehicle side door.
- the basic structure of the door drive includes an electric motor drive 2 and a gear 3, 4 connected downstream of the drive 2.
- the gear 3, 4 works on a power transmission element 5.
- the power transmission element 5 is in turn operatively connected to the leaf 1 of the motor vehicle door or motor vehicle flap . Basically you can use the power transmission element 5 but also to be understood as part of the transmission 3, 4. In any case, pivoting movements of the force transmission element 5 are converted into corresponding pivoting movements of the wing 1.
- an output element 4a of the transmission 3, 4 and the force transmission element 5 are coupled by a toothing 6, 7, 8 with backlash compensation, as is best shown in the schematic illustration in FIG. 3.
- the output element 4a is designed as a pinion on the output side connected to the gear wheel 4 with the toothing 6.
- the toothing 6 of the output element 4a meshes with a toothing 7 on the one hand and a toothing 8 on the other hand.
- the teeth 6, 7, 8 according to the exemplary embodiment and according to the invention are divided into two parts. This is because the toothing 6, 7, 8 on the one hand results in the output element 4a being in engagement with the force transmission element 5 and, on the other hand, the output element 4a in engagement with a compensating element 9 at the same time.
- the force transmission element 5 and the compensating element 9 are rotatably and elastically coupled to one another, an elastic coupling element 10 according to the exemplary embodiment being used for this purpose.
- the elastic coupling element 10 can be a rubber element but also a spring.
- the output element 4a is equipped with the toothing 6.
- the force transmission element 5 has the toothing 7.
- the compensating element is equipped with the toothing 8.
- the toothing 6, 7, 8 is divided into two parts in such a way that the toothing 6 on the output element 4a is coupled on the one hand to the toothing or internal toothing 7 of the force transmission element 5.
- a further toothing is realized between the toothing 6 of the output element 4a and the toothing 8 of the output element 9, which deviates from the toothing 7.
- the toothing 8 is also an internal toothing 8.
- the overall design is still such that the elastic coupling or the elastic coupling element 10 between the two elements 5, 9 has a zero position without any force transmission. This zero position corresponds to the closed position of the wing 1 with respect to the motor vehicle body, which is not shown in detail.
- both the force transmission element 5 and the compensating element 9 are designed as a whole in the shape of a segment of a circle, specifically in relation to their respective axis 11 and 12, respectively for the output element 4a.
- the output element 4a can engage with its toothing 6 on the one hand in the internal toothing 7 of the force transmission element 5 and on the other hand in the internal toothing 8 of the compensating element 9, as described.
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020112324.8A DE102020112324A1 (de) | 2020-05-06 | 2020-05-06 | Türantrieb für eine Kraftfahrzeug-Tür oder Kraftfahrzeug-Klappe |
| PCT/DE2021/100163 WO2021223792A1 (de) | 2020-05-06 | 2021-02-18 | Türantrieb für eine kraftfahrzeug-tür oder kraftfahrzeug-klappe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4146896A1 true EP4146896A1 (de) | 2023-03-15 |
| EP4146896B1 EP4146896B1 (de) | 2025-01-29 |
Family
ID=76076176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21727350.7A Active EP4146896B1 (de) | 2020-05-06 | 2021-02-18 | Türantrieb für eine kraftfahrzeug-tür oder kraftfahrzeug-klappe |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4146896B1 (de) |
| DE (1) | DE102020112324A1 (de) |
| WO (1) | WO2021223792A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022119851A1 (de) * | 2022-08-08 | 2024-02-08 | Kiekert Aktiengesellschaft | Aufstellvorrichtung |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4331384A1 (de) | 1993-09-15 | 1995-03-16 | Bayerische Motoren Werke Ag | Stellantrieb zur Betätigung einer Stelleinrichtung |
| DE29801025U1 (de) * | 1998-01-26 | 1998-03-19 | C. Rob. Hammerstein GmbH & Co. KG, 42699 Solingen | Verstellvorrichtung für Fahrzeugsitze mit einem Verzahnungsteil und einem Antriebs- oder Abtriebsteil |
| US6382706B2 (en) | 2000-03-28 | 2002-05-07 | Ohi Seisakusho Co., Ltd. | Operating device for automotive pivotal door |
| JP2005120693A (ja) * | 2003-10-16 | 2005-05-12 | Honda Motor Co Ltd | パワーテールゲート装置 |
| DE102013206941A1 (de) | 2013-04-17 | 2014-10-23 | Robert Bosch Gmbh | Lastdrehmomentsperre und Getriebe-Antriebseinrichtung mit einer Lastdrehmomentsperre |
| DE102015215627A1 (de) | 2015-08-17 | 2017-02-23 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg | Vorrichtung zum manuellen und/oder elektromotorischen Verstellen oder Feststellen eines ersten Fahrzeugteils und eines zweiten Fahrzeugteils relativ zueinander |
| CN109155569B (zh) | 2016-06-29 | 2021-02-12 | 株式会社美姿把 | 具有减速机构的电动机 |
| DE102019134974A1 (de) * | 2019-12-18 | 2021-06-24 | Kiekert Aktiengesellschaft | Antriebseinrichtung für kraftfahrzeugtechnische Anwendungen |
| DE102019134976A1 (de) * | 2019-12-18 | 2021-06-24 | Kiekert Aktiengesellschaft | Türantrieb für eine Kraftfahrzeugtür oder Kraftfahrzeugklappe |
| DE102019134978A1 (de) * | 2019-12-18 | 2021-06-24 | Kiekert Aktiengesellschaft | Türantrieb für eine Kraftfahrzeugtür oder Kraftfahrzeugklappe |
-
2020
- 2020-05-06 DE DE102020112324.8A patent/DE102020112324A1/de active Pending
-
2021
- 2021-02-18 WO PCT/DE2021/100163 patent/WO2021223792A1/de not_active Ceased
- 2021-02-18 EP EP21727350.7A patent/EP4146896B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4146896B1 (de) | 2025-01-29 |
| DE102020112324A1 (de) | 2021-11-11 |
| WO2021223792A1 (de) | 2021-11-11 |
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