WO2013079658A1 - Adjusting device and method for adjusting a motor vehicle component - Google Patents

Adjusting device and method for adjusting a motor vehicle component Download PDF

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Publication number
WO2013079658A1
WO2013079658A1 PCT/EP2012/074083 EP2012074083W WO2013079658A1 WO 2013079658 A1 WO2013079658 A1 WO 2013079658A1 EP 2012074083 W EP2012074083 W EP 2012074083W WO 2013079658 A1 WO2013079658 A1 WO 2013079658A1
Authority
WO
WIPO (PCT)
Prior art keywords
locking
brake ring
positive
adjusting device
unlocking
Prior art date
Application number
PCT/EP2012/074083
Other languages
German (de)
French (fr)
Inventor
Dmitrij GERDT
Susanne NUDING
Jürgen STEMMER
Original Assignee
Johnson Controls Gmbh
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 Johnson Controls Gmbh filed Critical Johnson Controls Gmbh
Publication of WO2013079658A1 publication Critical patent/WO2013079658A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/168—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable and provided with braking systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1685—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by a lock
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/169—Stepwise movement mechanisms, e.g. ratchets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
    • B60N2/1889—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other and provided with braking systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
    • B60N2/1892—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by a lock
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
    • B60N2/1896—Stepwise movement mechanisms, e.g. ratchets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/2227—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable and provided with braking systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
    • B60N2/2254—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms provided with braking systems
    • B60N2/2257—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms provided with braking systems with rollers or balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/919—Positioning and locking mechanisms
    • B60N2/933—Positioning and locking mechanisms rotatable
    • B60N2/943—Stepwise movement mechanisms, e.g. ratchets

Definitions

  • the present invention is based on an adjusting device for adjusting a motor vehicle component.
  • Such adjustment devices are known, for example, from the publications DE 10 2008 034 800 A1 or DE 10 2008 052 892 A1.
  • Such adjusting devices each have a locking device, which ensures a locking of the adjusting device due to a frictional connection between a brake ring and brake elements.
  • the blocking is only canceled when the user initiates an adjustment movement. In the presence of vibrations there is a risk that the frictional connection is impaired and thus an unintentional adjustment of the motor vehicle component occurs.
  • an adjusting device for a motor vehicle component wherein the adjusting device has a locking device which is provided in a blocking situation for blocking a rotation of a rotary member relative to a brake ring and which is provided in an adjustment situation for releasing a rotation of the rotary member relative to the brake ring wherein the adjustment device comprises an unlocking element for transferring the locking device from the locking situation into the adjustment situation and at least one brake element arranged between the brake ring and the rotary element, wherein the adjustment device further comprises a locking device which is interposed between a locking position for blocking a rotation of the rotary element relative to the brake ring and an unlocking position for releasing a rotation of the rotary member relative to the brake ring is movable.
  • the adjusting device according to the invention has the advantage over the prior art that it has two separate locking devices, so that a safer and more reliable locking of the rotating element against unintentional twisting is achieved compared to the prior art.
  • a rotation of the rotary member due to vibrations, vibrations or accidental forces is prevented.
  • the locking device is designed such that in the locking situation, a positive and frictional connection, in particular a frictional engagement, between the brake ring and the brake element is generated, while the further locking device is designed such that in the locking position substantially only a positive connection is generated between the brake ring and a positive locking element of the Arretiervorrich- device.
  • a pure form-fitting connection allows a very good protection against unintentional adjustment of the rotary member due to vibrations.
  • the unlocking element is provided for transferring the further locking device from the locking position to the unlocked position.
  • the automotive component preferably includes a seat height adjusting mechanism, a seat recliner mechanism, a recliner recliner mechanism, a lumbar support reclining mechanism, a head restraint mechanism, or the like.
  • the brake ring has a structure, in particular a toothed structure, wherein the positive-locking element is formed with a corresponding counter-structure, in particular teeth.
  • the teeth of the form-locking element engage in the toothed structure of the brake ring, while in the unlocked position the teeth are brought out of engagement with the toothed structure.
  • the positive-locking element is moved along a displacement direction relative to the brake ring and / or to the rotary element. is slidably mounted.
  • the positive-locking element is displaced along the direction of displacement, so that the teeth are disengaged from the toothed structure.
  • the positive-locking element comprises a plate-shaped element, which is connected in a rotationally fixed manner to the rotary element and is displaceable along the direction of displacement relative to the rotary element.
  • the plate-shaped element preferably has on its outer circumference at least one actuating lever, which is subjected to force during the transfer from the locking position to the unlocking position by a nose of the unlocking element in order to displace the positive-locking element along the direction of displacement.
  • Figures 1, 2, 3 and 4 are schematic views of an adjusting device according to an exemplary embodiment of the present invention. Embodiments of the invention
  • FIGS. 1, 2, 3 and 4 show schematic views of an adjusting device 1 for a motor vehicle component (not shown).
  • the adjusting device 1 has an adjustable between a locking situation and an adjustment locking device 20.
  • a rotation of a rotary element 2 relative to a brake ring 3 is locked by means of a plurality of brake elements 21 by means of the locking device 20.
  • the brake elements 21 are between an inner braking surface 22 of the
  • Brake ring 3 and an externa ßeren contact surface 4 of the rotary member 2 is arranged.
  • the brake elements 21 are each arranged as pairs, wherein a spring element 23 which presses apart the brake elements 21 in the circumferential direction of the rotary element 2 is arranged between each pair of brake elements 21.
  • the adjustment device 1 has an unlocking element 5 for transferring the locking device 20 from the locking situation into the adjustment situation. To release the locking device 20 arranged as a pair of brake elements 21 are compressed in the circumferential direction by means of corresponding actuating means 24.
  • actuation means 24 are again actuated indirectly or directly by the unlocking element 5 or are part of the unlocking element 5. It is conceivable, for example, for a rotation of the unlocking element 5 about the rotation axis 100 to move force transmission means in the radial direction to the axis of rotation 100, which is then used to actuate the Actuating 24 serve. It is also conceivable that the actuating means 24 are part of the unlocking 5 and by the rotation of the unlocking means 5 about the axis of rotation 100, a reduction of the distance between two paired braking elements 21 is caused to cancel the locking by frictional engagement. Subsequently, rotation of the rotary element 2 is induced by turning the unlocking element 5.
  • the adjusting device 1 now has a further locking device 30.
  • the further locking device 30 is adjustable between a locking position for locking a rotation of the rotary member 2 relative to the brake ring 3 and an unlocking position for releasing a rotation of the rotary member 2 relative to the brake ring 3.
  • the further locking device 30 has a positive locking element 31, which is designed as a plate-like element and is equipped with a plurality of teeth 32 at its outer periphery.
  • the further locking device 30 further has a toothed structure 33, which is formed on an inner side of the brake ring 3 facing the interlocking elements 31.
  • the teeth 32 of the interlocking element 31 engage in the toothed structure 33 of the brake ring 3 in a form-fitting manner, whereby rotation of the interlocking element 31 with respect to the brake ring 3 is prevented by a pure positive connection.
  • the teeth 32 will be brought out of engagement with the toothed structure 33, so that the positive locking element 31 can be rotated about the axis of rotation 100 relative to the brake ring 3.
  • the interlocking element 31 is rotatably coupled to the rotary member 2, so that in the locking position and the rotary member 2 is fixed with respect to rotations about the axis of rotation 100, while in the unlocking position, the rotary member 2 is rotatable about the axis of rotation 100 and so an adjustment of the force vehicle component by a vehicle occupant via the rotary member 2 is feasible.
  • the positive-locking element 31 is displaceable relative to the rotary element 2 along a displacement direction 101 perpendicular to the axis of rotation 100, in order to move the positive-locking element 31 between the locking position and the unlocking position.
  • the interlocking elements 31 a plurality of parallel to the direction of displacement 101 extending slots 34, in which parallel to the axis of rotation 100 extending bolts 35 of the rotary member 2 protrude.
  • the unlocking element 5 is now also provided for transferring the further locking device 30 from the locking position to the unlocked position.
  • the positive-locking element 31 has for this purpose on its Au LO Congress two actuating lever 36.
  • One of the actuation levers 36 is subjected to force during the transfer from the locking position into the unlocking position by a lug 37 of the unlocking element 5 in order to displace the interlocking element 31 along the displacement direction 101 and bring the teeth 32 out of engagement with the toothed structure 33.
  • the form-fitting element 31 is preferably biased by a spring into the locking position.
  • the freedom of movement of the displacement movement of the positive-locking element 31 relative to the rotary element 2 is limited to a linear movement due to the bolts 35 fixed in the oblong holes 34.
  • the unlocking means 5 is preferably coupled to a handwheel for actuation by a vehicle occupant.
  • the rotary member 2 is preferably driven in the unlocking or Verstellsituation of the rotatable about the axis of rotation 100 unlocking 5.
  • the rotary member 2 is for operating a motor vehicle component, such as a seat height adjustment mechanism, a seat tilt adjustment mechanism, a seat recline adjustment mechanism, a lumbar support adjustment mechanism, or a headrest adjustment mechanism.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention relates to an adjusting device (1) for a motor vehicle component, wherein the adjusting device has a locking device (20), which is designed to block rotation of a rotary element (2) relative to a brake ring (3) in a blocking situation and to release rotation of the rotary element relative to the brake ring in an adjusting situation, wherein the adjusting device has an unlocking element (5) for transferring the locking device from the blocking situation to the adjusting situation and at least one brake element (21) arranged between the brake ring and the rotary element, wherein furthermore the adjusting device has an additional locking device (30), which can be moved between a locking position for blocking rotation of the rotary element relative to the brake ring and an unlocking position for releasing rotation of the rotary element relative to the brake ring.

Description

BESCHREIBUNG  DESCRIPTION
Titel VERSTELLVORRICHTUNG UND VERFAHREN ZUM VERSTELLEN EINER KRAFT¬Title ADJUSTING DEVICE AND METHOD FOR ADJUSTING A KRAFT¬
FAHRZEUGKOMPONENTE VEHICLE COMPONENT
Stand der Technik Die vorliegende Erfindung geht aus von einer Versteilvorrichtung zum Verstellen einer Kraftfahrzeugkomponente. Solche Versteilvorrichtungen sind beispielsweise aus den Druckschriften DE 10 2008 034 800 A1 oder DE 10 2008 052 892 A1 bekannt. PRIOR ART The present invention is based on an adjusting device for adjusting a motor vehicle component. Such adjustment devices are known, for example, from the publications DE 10 2008 034 800 A1 or DE 10 2008 052 892 A1.
Solche Versteilvorrichtungen weisen jeweils eine Arretiervorrichtung auf, welche eine Sper- rung der Versteilvorrichtung aufgrund eines Reibschlusses zwischen einem Bremsring und Bremselementen gewährleistet. Die Sperrung wird nur dann aufgehoben, wenn vom Benutzer eine Verstellbewegung eingeleitet wird. Beim Vorhandensein von Vibrationen besteht die Gefahr, dass die Reibschlussverbindung beeinträchtigt wird und somit eine ungewollte Verstellung der Kraftfahrzeugkomponente eintritt. Such adjusting devices each have a locking device, which ensures a locking of the adjusting device due to a frictional connection between a brake ring and brake elements. The blocking is only canceled when the user initiates an adjustment movement. In the presence of vibrations there is a risk that the frictional connection is impaired and thus an unintentional adjustment of the motor vehicle component occurs.
Offenbarung der Erfindung Disclosure of the invention
Es ist daher die Aufgabe der vorliegenden Erfindung eine Versteilvorrichtung der eingangs genannten Art zur Verfügung zu stellen, bei der die Gefahr einer ungewollten Verstellung, insbesondere aufgrund von Vibrationen, reduziert ist und gleichzeitig ein einfache Handhabung, sowie eine kostengünstige Herstellung ermöglicht werden. It is therefore an object of the present invention to provide an adjusting device of the type mentioned above, in which the risk of unwanted adjustment, in particular due to vibrations, is reduced and at the same time a simple handling, as well as a cost-effective production possible.
Gelöst wird diese Aufgabe mit einer Versteilvorrichtung für eine Kraftfahrzeugkomponente, wobei die Versteilvorrichtung eine Arretiervorrichtung aufweist, welche in einer Sperrsituation zum Sperren einer Drehung eines Drehelements relativ zu einem Bremsring vorgesehen ist und welche in einer Verstellsituation zum Freigeben einer Drehung des Drehelements relativ zum Bremsring vorgesehen ist, wobei die Verstellungsvorrichtung ein Entriegelungselement zum Überführen der Arretiervorrichtung von der Sperrsituation in die Verstellsituation und wenigstens ein zwischen dem Bremsring und dem Drehelement angeordnetes Bremsele- ment aufweist, wobei ferner die Versteilvorrichtung eine weitere Arretiervorrichtung aufweist, welche zwischen einer Verriegelungsposition zum Sperren einer Drehung des Drehelements relativ zum Bremsring und eine Entriegelungsposition zum Freigeben einer Drehung des Drehelements relativ zum Bremsring bewegbar ist. This object is achieved with an adjusting device for a motor vehicle component, wherein the adjusting device has a locking device which is provided in a blocking situation for blocking a rotation of a rotary member relative to a brake ring and which is provided in an adjustment situation for releasing a rotation of the rotary member relative to the brake ring wherein the adjustment device comprises an unlocking element for transferring the locking device from the locking situation into the adjustment situation and at least one brake element arranged between the brake ring and the rotary element, wherein the adjustment device further comprises a locking device which is interposed between a locking position for blocking a rotation of the rotary element relative to the brake ring and an unlocking position for releasing a rotation of the rotary member relative to the brake ring is movable.
Die erfindungsgemäße Versteilvorrichtung hat gegenüber dem Stand der Technik den Vor- teil, dass sie zwei separate Arretiervorrichtungen aufweist, so dass eine im Vergleich zum Stand der Technik sicherere und zuverlässigere Arretierung des Drehelements gegenüber unbeabsichtigtem Verdrehen erzielt wird. Insbesondere wird eine Verdrehung des Drehelements aufgrund von Vibrationen, Erschütterungen oder unfallbedingten Kräften verhindert. Gemäß einer bevorzugten Ausführungsform ist die Arretiervorrichtung derart ausgebildet, dass in der Sperrsituation ein Form- und Kraftschluss, insbesondere ein Reibschluss, zwischen dem Bremsring und dem Bremselement erzeugt wird, während die weitere Arretiervorrichtung derart ausgebildet ist, dass in der Verriegelungsposition im Wesentlichen nur ein Formschluss zwischen dem Bremsring und einem Formschlusselement der Arretiervorrich- tung erzeugt wird. In vorteilhafter Weise ermöglicht eine reine Formschlussverbindung eine sehr gute Sicherung gegenüber einem unbeabsichtigten Verstellen des Drehelements aufgrund von Vibrationen. The adjusting device according to the invention has the advantage over the prior art that it has two separate locking devices, so that a safer and more reliable locking of the rotating element against unintentional twisting is achieved compared to the prior art. In particular, a rotation of the rotary member due to vibrations, vibrations or accidental forces is prevented. According to a preferred embodiment, the locking device is designed such that in the locking situation, a positive and frictional connection, in particular a frictional engagement, between the brake ring and the brake element is generated, while the further locking device is designed such that in the locking position substantially only a positive connection is generated between the brake ring and a positive locking element of the Arretiervorrich- device. Advantageously, a pure form-fitting connection allows a very good protection against unintentional adjustment of the rotary member due to vibrations.
Vorzugsweise ist das Entriegelungselement zum Überführen der weiteren Arretiervorrichtung von der Verriegelungsposition in die Entriegelungsposition vorgesehen. Zur Verstellung derPreferably, the unlocking element is provided for transferring the further locking device from the locking position to the unlocked position. To adjust the
Kraftfahrzeugkomponente muss somit lediglich das Entriegelungselement betätigt werden, um sowohl die Arretiervorrichtung, als auch die weitere Arretiervorrichtung zu entsperren.Motor vehicle component thus only the unlocking element must be actuated in order to unlock both the locking device, as well as the further locking device.
Der Komfort für einen Fahrzeuginsassen wird somit trotz der verdoppelten Arretierung nicht beeinträchtigt. Die Kraftfahrzeugkomponente umfasst vorzugsweise einen Sitzhöhenver- Stellmechanismus, einen Sitzneigungsverstellmechanismus, einen Sitzlehnenneigungs- verstellmechanismus, einen Lordosenstützenverstellmechanismus, einen Kopfstützenver- stellmechanismus oder dergleichen. The comfort for a vehicle occupant is thus not compromised despite the doubled lock. The automotive component preferably includes a seat height adjusting mechanism, a seat recliner mechanism, a recliner recliner mechanism, a lumbar support reclining mechanism, a head restraint mechanism, or the like.
Gemäß einer bevorzugten Ausführungsform weist der Bremsring eine Struktur, insbesondere eine gezahnte Struktur auf, wobei das Formschlusselement mit einer entsprechenden Ge- genstruktur, insbesondere Zähnen, ausgebildet ist. Vorzugsweise greifen in der Verriegelungsposition die Zähne des Formschlusselements in die gezahnte Struktur des Bremsrings ein, während in der Entriegelungsposition die Zähne au ßer Eingriff mit der gezahnten Struktur gebracht werden. According to a preferred embodiment, the brake ring has a structure, in particular a toothed structure, wherein the positive-locking element is formed with a corresponding counter-structure, in particular teeth. Preferably, in the locking position, the teeth of the form-locking element engage in the toothed structure of the brake ring, while in the unlocked position the teeth are brought out of engagement with the toothed structure.
Gemäß einer bevorzugten Ausführungsform ist vorgesehen, dass das Formschlusselement entlang einer Verschieberichtung relativ zum Bremsring und/oder zum Drehelement ver- schiebbar gelagert ist. Insbesondere wird zum Überführen der weiteren Arretiervorrichtung von der Verriegelungsposition in die Entriegelungsposition das Formschlusselement entlang der Verschieberichtung verschoben, damit die Zähne außer Eingriff mit der gezahnten Struktur gebracht werden. According to a preferred embodiment, it is provided that the positive-locking element is moved along a displacement direction relative to the brake ring and / or to the rotary element. is slidably mounted. In particular, for transferring the further locking device from the locking position to the unlocking position, the positive-locking element is displaced along the direction of displacement, so that the teeth are disengaged from the toothed structure.
Gemäß einer bevorzugten Ausführungsform ist vorgesehen, dass das Formschlusselement ein plattenförmiges Element umfasst, welches im Wesentlichen drehfest mit dem Drehelement verbunden ist und entlang der Verschieberichtung gegenüber dem Drehelement verschiebbar ist. Das plattenförmige Element weist vorzugsweise an seinem Außenumfang we- nigstens einen Betätigungshebel auf, welcher beim Überführen von der Verriegelungsposition in die Entriegelungsposition von einer Nase des Entriegelungselements kraftbeaufschlagt wird, um das Formschlusselement entlang der Verschieberichtung zu verschieben. According to a preferred embodiment, it is provided that the positive-locking element comprises a plate-shaped element, which is connected in a rotationally fixed manner to the rotary element and is displaceable along the direction of displacement relative to the rotary element. The plate-shaped element preferably has on its outer circumference at least one actuating lever, which is subjected to force during the transfer from the locking position to the unlocking position by a nose of the unlocking element in order to displace the positive-locking element along the direction of displacement.
Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus den Zeichnun- gen, sowie aus der nachfolgenden Beschreibung von bevorzugten Ausführungsformen anhand der Zeichnungen. Die Zeichnungen illustrieren dabei lediglich beispielhafte Ausführungsformen der Erfindung, welche den wesentlichen Erfindungsgedanken nicht einschränken. Kurze Beschreibung der Zeichnungen Further details, features and advantages of the invention will become apparent from the drawings, as well as from the following description of preferred embodiments with reference to the drawings. The drawings illustrate only exemplary embodiments of the invention, which do not limit the essential inventive idea. Brief description of the drawings
Figuren 1 , 2, 3 und 4 zeigen schematische Ansichten einer Versteilvorrichtung gemäß einer beispielhaften Ausführungsform der vorliegenden Erfindung. Ausführungsformen der Erfindung Figures 1, 2, 3 and 4 are schematic views of an adjusting device according to an exemplary embodiment of the present invention. Embodiments of the invention
In den verschiedenen Figuren sind gleiche Teile stets mit den gleichen Bezugszeichen versehen und werden daher in der Regel auch jeweils nur einmal benannt bzw. erwähnt. In Figuren 1 , 2, 3 und 4 sind schematische Ansichten einer Versteilvorrichtung 1 für eine nicht dargestellte Kraftfahrzeugkomponente dargestellt. Die Versteilvorrichtung 1 weist eine zwischen einer Sperrsituation und einer Verstellsituation verstellbare Arretiervorrichtung 20 auf. In der Sperrsituation wird mittels der Arretiervorrichtung 20 eine Drehung eines Drehelements 2 relativ zu einem Bremsring 3 mittels einer Mehrzahl von Bremselementen 21 ge- sperrt. Die Bremselemente 21 sind dabei zwischen einer inneren Bremsfläche 22 desIn the various figures, the same parts are always provided with the same reference numerals and are therefore usually named or mentioned only once in each case. FIGS. 1, 2, 3 and 4 show schematic views of an adjusting device 1 for a motor vehicle component (not shown). The adjusting device 1 has an adjustable between a locking situation and an adjustment locking device 20. In the locking situation, a rotation of a rotary element 2 relative to a brake ring 3 is locked by means of a plurality of brake elements 21 by means of the locking device 20. The brake elements 21 are between an inner braking surface 22 of the
Bremsrings 3 und einer äu ßeren Kontaktfläche 4 des Drehelements 2 angeordnet. Zum Arretieren wird ein Reibschluss zwischen den Bremselementen 21 und der inneren Bremsfläche 22, sowie zwischen den Bremselementen 21 und der äu ßeren Kontaktfläche 4 erzeugt. Die Bremselemente 21 sind hierfür jeweils als Paare angeordnet, wobei zwischen jedem Paar von Bremselementen 21 ein die Bremselemente 21 in Umfangsrichtung des Drehelements 2 auseinander drückendes Federelement 23 angeordnet ist. Die Verstellungsvorrichtung 1 weist ein Entriegelungselement 5 zum Überführen der Arretiervorrichtung 20 von der Sperrsituation in die Verstellsituation auf. Zum Freigeben der Arretiervorrichtung 20 werden die als Paar angeordneten Bremselemente 21 in Umfangsrichtung mittels entsprechender Betätigungsmittel 24 zusammengedrückt. Diese Betätigungsmittel 24 werden wiederum mittelbar oder unmittelbar von dem Entriegelungselement 5 betätigt oder sind Teil des Entriegelungs- elements 5. Denkbar ist beispielsweise, dass eine Drehung des Entriegelungselements 5 um die Drehachse 100 Kraftübertragungsmittel in radialer Richtung zur Drehachse 100 bewegt, welche dann zur Betätigung der Betätigungsmittel 24 dienen. Denkbar ist aber auch, dass die Betätigungsmittel 24 Teil des Entriegelungselements 5 sind und durch die Drehung des Entriegelungsmittels 5 um die Drehachse 100 eine Verringerung des Abstands zweier ein Paar bildender Bremselemente 21 hervorgerufen wird, um die Arretierung durch Reibschluss aufzuheben. Anschließend wird durch Drehen des Entriegelungselements 5 eine Drehung des Drehelements 2 induziert. Brake ring 3 and an externa ßeren contact surface 4 of the rotary member 2 is arranged. To lock a frictional engagement between the brake elements 21 and the inner braking surface 22, as well as between the brake elements 21 and the externa ßeren contact surface 4 is generated. For this purpose, the brake elements 21 are each arranged as pairs, wherein a spring element 23 which presses apart the brake elements 21 in the circumferential direction of the rotary element 2 is arranged between each pair of brake elements 21. The adjustment device 1 has an unlocking element 5 for transferring the locking device 20 from the locking situation into the adjustment situation. To release the locking device 20 arranged as a pair of brake elements 21 are compressed in the circumferential direction by means of corresponding actuating means 24. These actuation means 24 are again actuated indirectly or directly by the unlocking element 5 or are part of the unlocking element 5. It is conceivable, for example, for a rotation of the unlocking element 5 about the rotation axis 100 to move force transmission means in the radial direction to the axis of rotation 100, which is then used to actuate the Actuating 24 serve. It is also conceivable that the actuating means 24 are part of the unlocking 5 and by the rotation of the unlocking means 5 about the axis of rotation 100, a reduction of the distance between two paired braking elements 21 is caused to cancel the locking by frictional engagement. Subsequently, rotation of the rotary element 2 is induced by turning the unlocking element 5.
Die erfindungsgemäße Versteilvorrichtung 1 weist nun eine weitere Arretierungsvorrichtung 30 auf. Die weitere Arretierungsvorrichtung 30 ist zwischen einer Verriegelungsposition zum Sperren einer Drehung des Drehelements 2 relativ zum Bremsring 3 und einer Entriegelungsposition zum Freigeben einer Drehung des Drehelements 2 relativ zum Bremsring 3 verstellbar. Die weitere Arretierungsvorrichtung 30 weist ein Formschlusselement 31 auf, welches als plattenartiges Element ausgebildet ist und mit einer Mehrzahl von Zähnen 32 an seinem äußeren Umfang ausgestattet ist. Die weitere Arretierungsvorrichtung 30 weist ferner eine gezahnte Struktur 33 auf, welche auf einer dem Formschlusselemente 31 zugewandten Innenseite des Bremsrings 3 ausgebildet ist. The adjusting device 1 according to the invention now has a further locking device 30. The further locking device 30 is adjustable between a locking position for locking a rotation of the rotary member 2 relative to the brake ring 3 and an unlocking position for releasing a rotation of the rotary member 2 relative to the brake ring 3. The further locking device 30 has a positive locking element 31, which is designed as a plate-like element and is equipped with a plurality of teeth 32 at its outer periphery. The further locking device 30 further has a toothed structure 33, which is formed on an inner side of the brake ring 3 facing the interlocking elements 31.
In der Verriegelungsposition greifen die Zähne 32 des Formschlusselements 31 in die ge- zahnte Struktur 33 des Bremsrings 3 formschlüssig ein, wodurch ein Verdrehen des Formschlusselements 31 gegenüber dem Bremsring 3 durch einen reinen Formschluss verhindert wird. In der Entriegelungsposition werden die Zähne 32 au ßer Eingriff mit der gezahnten Struktur 33 gebracht werden, so dass das Formschlusselement 31 gegenüber dem Bremsring 3 um die Drehachse 100 verdrehbar ist. Das Formschlusselement 31 ist drehfest mit dem Drehelement 2 gekoppelt, so dass in der Verriegelungsposition auch das Drehelement 2 hinsichtlich Drehungen um die Drehachse 100 fixiert ist, während in der Entriegelungsposition das Drehelement 2 um die Drehachse 100 drehbar ist und so eine Verstellung der Kraft- fahrzeugkomponente durch einen Fahrzeuginsassen über das Drehelement 2 durchführbar ist. In the locking position, the teeth 32 of the interlocking element 31 engage in the toothed structure 33 of the brake ring 3 in a form-fitting manner, whereby rotation of the interlocking element 31 with respect to the brake ring 3 is prevented by a pure positive connection. In the unlocking position, the teeth 32 will be brought out of engagement with the toothed structure 33, so that the positive locking element 31 can be rotated about the axis of rotation 100 relative to the brake ring 3. The interlocking element 31 is rotatably coupled to the rotary member 2, so that in the locking position and the rotary member 2 is fixed with respect to rotations about the axis of rotation 100, while in the unlocking position, the rotary member 2 is rotatable about the axis of rotation 100 and so an adjustment of the force vehicle component by a vehicle occupant via the rotary member 2 is feasible.
Das Formschlusselement 31 ist relativ zum Drehelement 2 entlang einer zur Drehachse 100 senkrechten Verschieberichtung 101 verschiebbar, um das Formschlusselement 31 zwischen der Verriegelungsposition und der Entriegelungsposition zu bewegen. Hierfür weist das Formschlusselemente 31 eine Mehrzahl von sich parallel zur Verschieberichtung 101 erstreckenden Langlöchern 34 auf, in welche sich parallel zur Drehachse 100 erstreckende Bolzen 35 des Drehelements 2 vorstehen. Das Entriegelungselement 5 ist nun auch zum Überführen der weiteren Arretiervorrichtung 30 von der Verriegelungsposition in die Entriegelungsposition vorgesehen. Das Formschlusselement 31 weist hierfür an seinem Au ßenumfang zwei Betätigungshebel 36 auf. Einer der Betätigungshebel 36 wird beim Überführen von der Verriegelungsposition in die Entriegelungsposition von einer Nase 37 des Entriegelungselements 5 kraftbeaufschlagt, um das Formschlusselement 31 entlang der Verschieberich- tung 101 zu verschieben und die Zähne 32 au ßer Eingriff mit der gezahnten Struktur 33 zu bringen. Das Formschlusselement 31 ist vorzugsweise mittels einer Feder in die Verriegelungsposition vorgespannt. Die Bewegungsfreiheit der Verschiebebewegung des Formschlusselements 31 relativ zum Drehelement 2 ist aufgrund der in den Langlöchern 34 fixierten Bolzen 35 auf eine Linearbewegung eingeschränkt. The positive-locking element 31 is displaceable relative to the rotary element 2 along a displacement direction 101 perpendicular to the axis of rotation 100, in order to move the positive-locking element 31 between the locking position and the unlocking position. For this purpose, the interlocking elements 31 a plurality of parallel to the direction of displacement 101 extending slots 34, in which parallel to the axis of rotation 100 extending bolts 35 of the rotary member 2 protrude. The unlocking element 5 is now also provided for transferring the further locking device 30 from the locking position to the unlocked position. The positive-locking element 31 has for this purpose on its Au ßenumfang two actuating lever 36. One of the actuation levers 36 is subjected to force during the transfer from the locking position into the unlocking position by a lug 37 of the unlocking element 5 in order to displace the interlocking element 31 along the displacement direction 101 and bring the teeth 32 out of engagement with the toothed structure 33. The form-fitting element 31 is preferably biased by a spring into the locking position. The freedom of movement of the displacement movement of the positive-locking element 31 relative to the rotary element 2 is limited to a linear movement due to the bolts 35 fixed in the oblong holes 34.
Das Entriegelungsmittel 5 ist vorzugsweise mit einem Handrad zur Betätigung durch einen Fahrzeuginsassen gekoppelt. Das Drehelement 2 wird in der Entriegelungsposition bzw. Verstellsituation vorzugsweise von dem um die Drehachse 100 drehbaren Entriegelungsmittel 5 angetrieben. Das Drehelement 2 dient zur Betätigung einer Kraftfahrzeugkomponente, beispielsweise eines Sitzhöhenverstellmechanismus, eines Sitzneigungsverstellmechanis- mus, eines Sitzlehnenneigungsverstellmechanismus, eines Lordosenstützenverstellmecha- nismus odereines Kopfstützenverstellmechanismus. The unlocking means 5 is preferably coupled to a handwheel for actuation by a vehicle occupant. The rotary member 2 is preferably driven in the unlocking or Verstellsituation of the rotatable about the axis of rotation 100 unlocking 5. The rotary member 2 is for operating a motor vehicle component, such as a seat height adjustment mechanism, a seat tilt adjustment mechanism, a seat recline adjustment mechanism, a lumbar support adjustment mechanism, or a headrest adjustment mechanism.
BEZUGSZEICHENLISTE LIST OF REFERENCE NUMBERS
1 Versteilvorrichtung 1 adjustment device
2 Drehelement  2 rotary element
3 Bremsring  3 brake ring
5 Entriegelungselement  5 unlocking element
4 Kontaktfläche  4 contact surface
20 Arretiervorrichtung  20 locking device
21 Bremselementen  21 brake elements
22 Bremsfläche  22 braking surface
23 Federelement  23 spring element
24 Betätigungsmittel  24 actuating means
30 Weitere Arretierungsvorrichtung 30 Further locking device
31 Formschlusselement 31 positive locking element
32 Zähne  32 teeth
33 Gezahnte Struktur  33 toothed structure
34 Langlöchern  34 oblong holes
35 Bolzen  35 bolts
36 Betätigungshebel  36 operating lever
37 Nase  37 nose
100 Drehachse  100 axis of rotation
101 Verschieberichtung  101 shift direction

Claims

PATENTANSPRÜCHE
Versteilvorrichtung (1 ) für eine Kraftfahrzeugkomponente, wobei die Versteilvorrichtung (1 ) eine Arretiervorrichtung (20) aufweist, welche in einer Sperrsituation zum Sperren einer Drehung eines Drehelements (2) relativ zu einem Bremsring (3) vorgesehen ist und welche in einer Verstellsituation zum Freigeben einer Drehung des Drehelements (2) relativ zum Bremsring (3) vorgesehen ist, wobei die Versteilvorrichtung (1 ) ein Entriegelungselement (5) zum Überführen der Arretiervorrichtung (20) von der Sperrsituation in die Verstellsituation und wenigstens ein zwischen dem Bremsring (3) und dem Drehelement (2) angeordnetes Bremselement (21 ) aufweist, dadurch gekennzeichnet, dass die die Versteilvorrichtung (1 ) eine weitere Arretiervorrichtung (30) aufweist, welche zwischen einer Verriegelungsposition zum Sperren einer Drehung des Drehelements (2) relativ zum Bremsring (3) und eine Entriegelungsposition zum Freigeben einer Drehung des Drehelements (2) relativ zum Bremsring (3) bewegbar ist. Adjusting device (1) for a motor vehicle component, wherein the adjusting device (1) has a locking device (20) which is provided in a blocking situation for blocking a rotation of a rotary member (2) relative to a brake ring (3) and which in an adjustment situation for releasing a rotation of the rotary member (2) relative to the brake ring (3) is provided, wherein the adjusting device (1) an unlocking element (5) for transferring the locking device (20) from the locking situation in the adjustment situation and at least one between the brake ring (3) and characterized in that the adjusting device (1) has a further locking device (30) which between a locking position for blocking rotation of the rotary member (2) relative to the brake ring (3) and an unlocking position for releasing rotation of the rotary member (2) relative to the brake ring (3) r is.
Versteilvorrichtung (1 ) nach Anspruch 1 , wobei die Arretiervorrichtung (20) derart ausgebildet ist, dass in der Sperrsituation ein Form- und Kraftschluss, insbesondere ein Reibschluss, zwischen dem Bremsring (3) und dem Bremselement (21 ) erzeugt wird, während die weitere Arretiervorrichtung (30) derart ausgebildet ist, dass in der Verriegelungsposition im Wesentlichen nur ein Formschluss zwischen dem Bremsring (3) und einem Formschlusselement (31 ) der Arretiervorrichtung (20) erzeugt wird. Adjustment device (1) according to claim 1, wherein the locking device (20) is designed such that in the locking situation a positive and frictional connection, in particular a frictional engagement, between the brake ring (3) and the brake element (21) is generated while the other Locking device (30) is designed such that in the locking position substantially only a positive connection between the brake ring (3) and a positive locking element (31) of the locking device (20) is generated.
Versteilvorrichtung (1 ) nach einem der vorhergehenden Ansprüche, wobei das Entriegelungselement (5) zum Überführen der weiteren Arretiervorrichtung (20) von der Verriegelungsposition in die Entriegelungsposition vorgesehen ist. Adjustment device (1) according to one of the preceding claims, wherein the unlocking element (5) is provided for transferring the further locking device (20) from the locking position to the unlocking position.
Versteilvorrichtung (1 ) nach einem der vorhergehenden Ansprüche, wobei der Bremsring (3) eine Struktur, insbesondere eine gezahnte Struktur (33) aufweist, wobei das Formschlusselement (31 ) mit einer entsprechenden Gegenstruktur, insbesondere Zähnen (32), ausgebildet ist. Adjusting device (1) according to one of the preceding claims, wherein the brake ring (3) has a structure, in particular a toothed structure (33), wherein the positive-locking element (31) with a corresponding counter-structure, in particular teeth (32) is formed.
5. Versteilvorrichtung (1 ) nach einem der vorhergehenden Ansprüche, wobei in der Verriegelungsposition die Zähne (32) des Formschlusselements (31 ) in die gezahnte Struktur (33) des Bremsrings (3) eingreifen und wobei in der Entriegelungsposition die Zähne (32) au ßer Eingriff mit der gezahnten Struktur (33) sind. 5. adjusting device (1) according to one of the preceding claims, wherein in the locking position, the teeth (32) of the positive-locking element (31) in the toothed Structure (33) of the brake ring (3) engage and wherein in the unlocked position, the teeth (32) are out of engagement with the serrated structure (33).
6. Versteilvorrichtung (1 ) nach einem der vorhergehenden Ansprüche, wobei das Formschlusselement (31 ) entlang einer Verschieberichtung (101 ) relativ zum Bremsring (3) und/oder zum Drehelement (2) verschiebbar gelagert ist. 6. adjusting device (1) according to one of the preceding claims, wherein the positive-locking element (31) along a displacement direction (101) relative to the brake ring (3) and / or to the rotary member (2) is slidably mounted.
7. Versteilvorrichtung (1 ) nach einem der vorhergehenden Ansprüche, wobei zum Überführen der weiteren Arretiervorrichtung (20) von der Verriegelungsposition in die Entriegelungsposition das Formschlusselement (31 ) entlang der Verschieberichtung (101 ) verschoben, damit die Zähne (32) au ßer Eingriff mit der gezahnten Struktur (33) gebracht werden. 7. adjustment device (1) according to one of the preceding claims, wherein for transferring the further locking device (20) from the locking position to the unlocking position, the positive-locking element (31) along the displacement direction (101) moved so that the teeth (32) au engagement with the toothed structure (33) are brought.
8. Versteilvorrichtung (1 ) nach einem der vorhergehenden Ansprüche, wobei das Formschlusselement (31 ) ein plattenförmiges Element umfasst, welches im Wesentlichen drehfest mit dem Drehelement (2) verbunden ist und entlang der Verschieberichtung (101 ) gegenüber dem Drehelement (2) verschiebbar ist. 8. adjustment device (1) according to any one of the preceding claims, wherein the positive-locking element (31) comprises a plate-shaped element which is substantially non-rotatably connected to the rotary member (2) and along the displacement direction (101) relative to the rotary member (2) is displaceable ,
9. Versteilvorrichtung (1 ) nach einem der vorhergehenden Ansprüche, wobei das plat- tenförmige Element an seinem Außenumfang wenigstens einen Betätigungshebel (36) aufweist, welcher beim Überführen von der Verriegelungsposition in die Entriegelungsposition von einer Nase (37) des Entriegelungselements (5) kraftbeaufschlagt wird, um das Formschlusselement (31 ) entlang der Verschieberichtung (101 ) zu verschieben. 9. adjustment device (1) according to any one of the preceding claims, wherein the plate-shaped element at its outer periphery at least one actuating lever (36) which upon application of the locking position in the unlocking position of a nose (37) of the unlocking element (5) subjected to force is to move the interlocking element (31) along the displacement direction (101).
10. Kraftfahrzeugkomponente aufweisend eine Versteilvorrichtung (1 ) nach einem der vorhergehenden Ansprüche, wobei die Kraftfahrzeugkomponente vorzugsweise einen Sitzhöhenverstellmechanismus, einen Sitzneigungsverstellmechanismus, einen Sitzlehnenneigungsverstellmechanismus, einen Lordosenstützenverstell- mechanismus und/oder einen Kopfstützenverstellmechanismus umfasst. 10. motor vehicle component comprising an adjusting device (1) according to one of the preceding claims, wherein the motor vehicle component preferably comprises a Sitzhöhenverstellmechanismus, a Sitzneigungsverstellmechanismus, a Sitzlehnenneigungsverstellmechanismus, a Lordosenstützenverstell- mechanism and / or a Kopfstützenverstellmechanismus.
PCT/EP2012/074083 2011-11-30 2012-11-30 Adjusting device and method for adjusting a motor vehicle component WO2013079658A1 (en)

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DE102012006059.9 2012-03-27

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