DE102017105920A1 - Adjustment device for a vehicle seat - Google Patents
Adjustment device for a vehicle seat Download PDFInfo
- Publication number
- DE102017105920A1 DE102017105920A1 DE102017105920.2A DE102017105920A DE102017105920A1 DE 102017105920 A1 DE102017105920 A1 DE 102017105920A1 DE 102017105920 A DE102017105920 A DE 102017105920A DE 102017105920 A1 DE102017105920 A1 DE 102017105920A1
- Authority
- DE
- Germany
- Prior art keywords
- plane
- adjustment device
- vehicle seat
- drive
- adjustment
- 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.)
- Pending
Links
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 208000007623 Lordosis Diseases 0.000 description 7
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
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
-
- 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
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
- B60N2/02253—Electric motors therefor characterised by the transmission between the electric motor and the seat or seat parts
-
- 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
- B60N2/62—Thigh-rests
-
- 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
- B60N2/64—Back-rests or cushions
- B60N2/66—Lumbar supports
- B60N2/666—Lumbar supports vertically adjustable
-
- 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
- B60N2/64—Back-rests or cushions
- B60N2/66—Lumbar supports
- B60N2/667—Lumbar supports having flexible support member bowed by applied forces
-
- 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
- B60N2/64—Back-rests or cushions
- B60N2/66—Lumbar supports
- B60N2/667—Lumbar supports having flexible support member bowed by applied forces
- B60N2/6673—Lumbar supports having flexible support member bowed by applied forces with motor driven adjustments
-
- 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
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
-
- 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
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/809—Head-rests movable or adjustable vertically slidable
-
- 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
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/809—Head-rests movable or adjustable vertically slidable
- B60N2/812—Head-rests movable or adjustable vertically slidable characterised by their locking devices
- B60N2/821—Head-rests movable or adjustable vertically slidable characterised by their locking devices with continuous positioning
-
- 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
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/809—Head-rests movable or adjustable vertically slidable
- B60N2/829—Head-rests movable or adjustable vertically slidable characterised by their adjusting mechanisms, e.g. electric motors
-
- 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
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/865—Head-rests movable or adjustable providing a fore-and-aft movement with respect to the occupant's head
-
- 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
- B60N2/986—Side-rests
- B60N2/99—Side-rests adjustable
-
- 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
- B60N2002/0288—Adjustable seat width
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
Abstract
Die Erfindung bezieht sich auf eine Verstellvorrichtung für einen Fahrzeugsitz, bestehend aus einem Basiselement 1 und beiderseits davon angeordneten Verstellelementen 2, 3 , welche in annähernd einer Ebene mittels eines Antriebes auf das Basiselement 1 zu oder von diesem weg bewegbar sind, und bestehend aus einem Tragelement 5, welches ebenfalls annähernd in der Ebene Y angeordnet und dafür vorgesehen ist, das Basiselement 1 und die Verstellelemente 2, 3 gemeinsam mittels eines weiteren Antriebes 6 auf das Tragelement 5 zu oder von diesem weg zu bewegen, wobei der weitere Antrieb 6 zwischen dem Tragelement 5 und dem Basiselement 1 vorgesehen ist. The invention relates to an adjusting device for a vehicle seat, consisting of a base member 1 and arranged on both sides adjusting elements 2, 3, which are movable in approximately one plane by means of a drive to the base member 1 to or from this, and consisting of a support member 5, which is also arranged approximately in the plane Y and is intended to move the base member 1 and the adjusting elements 2, 3 together by means of another drive 6 to the support member 5 to or away from this, the further drive 6 between the support element 5 and the base member 1 is provided.
Description
Verstellvorrichtungen für Fahrzeugsitze sind in vielfältigen Ausführungen bekannt. Zum Beispiel bei Lordosenverstellungen soll eine Abstützfläche für einen Bereich des Rückens einer den Sitz belegenden Person innerhalb einer aufrecht stehenden Lehne vor und zurück und auch hoch und herunter verstellbar sein, um eine individuell optimale Sitzposition einstellen zu können. Wie beispielsweise aus der gattungbildenden
Zur Höheneinstellung der Lordosenstütze ist ein Tragelement direkt oder indirekt an einem Lehnenrahmen gelagert und dieser steht nach der
Auch bei der Lösung nach
Es ist Aufgabe der Erfindung, eine Verstellvorrichtung der genannten Art zu schaffen, die eine völlig unabhängige vor-zurück und auf-ab Verstellung, also eine Verstellung in zwei Raumebenen zulässt, ohne dass die eine Verstellung die andere beeinflusst.It is an object of the invention to provide an adjusting device of the type mentioned, which allows a completely independent back-and-forth adjustment, ie an adjustment in two spatial levels, without that one adjustment affects the other.
Zur Lösung dieser Aufgabe zeichnet sich die erfindungsgemäße Verstellvorrichtung durch die im Patentanspruch 1 angegebenen Merkmale aus. Weitere Einzelheiten der Erfindung ergeben sich aus den Unteransprüchen.To solve this problem, the adjusting device according to the invention is characterized by the features specified in
Die Verstellvorrichtung besteht aus einem Basiselement, von welchem aus zwei Verstellelemente angesteuert werden, was eine Verstellbewegung in einer Raumebene zur Folge hat, und sie weist ein Tragelement auf, von welchem aus das Basiselement in einer zweiten Raumebene verstellt wird, ohne dass sich die Verstellungen in den beiden Raumebenen gegenseitig beeinflussen. Die Verstellung der Verstellelemente relativ zum Basiselement könnte beispielsweise eine Verstellung einer Lordose im Sitz eines Kraftfahrzeugs in Fahrtrichtung bewirken. Die von dem Tragelement ausgehende Verstellung des Basiselementes könnte die Höhenverstellung der Lordose bewirken. Mit der erfindungsgemäßen Lösung ist die Verstellung in Fahrtrichtung ohne jegliche Veränderung der Höhe und die Verstellung der Höhe ohne jegliche Veränderung der Einstellung in Fahrtrichtung gewährleistet.The adjusting device consists of a base element, from which two adjusting elements are driven, which has an adjusting movement in a spatial plane result, and it has a support element, from which the base element is adjusted in a second spatial level without the adjustments in influence the two spatial levels. The adjustment of the adjusting elements relative to the base element could for example cause an adjustment of a lordosis in the seat of a motor vehicle in the direction of travel. The outgoing of the support element adjustment of the base element could cause the height adjustment of the lordosis. With the solution according to the invention, the adjustment in the direction of travel is guaranteed without any change in the height and the adjustment of the height without any change in the setting in the direction of travel.
An den beiden Verstellelementen ist in bevorzugter Ausführung der Erfindung eine flexible Stütze gelagert, welche bei Verstellung der Verstellelemente in einer Ebene senkrecht zu dieser Ebene ausgelenkt wird. Alternativ kann jedes Verstellelement mit zumindest einem Stützbügel gekoppelt sein, welcher bei Bewegung des Verstellelementes etwa senkrecht zu dieser Bewegung ausgelenkt wird. Beide Varianten sind an sich - jedoch nicht in Verbindung mit dem erfindungsgemäß gestalteten Tragelement - bekannt.On the two adjusting elements, a flexible support is mounted in a preferred embodiment of the invention, which is deflected upon adjustment of the adjusting elements in a plane perpendicular to this plane. Alternatively, each adjusting element can be coupled to at least one support bracket, which is deflected approximately perpendicular to this movement during movement of the adjusting element. Both variants are known per se - but not in connection with the support element designed according to the invention.
Der Antrieb der Verstellelemente vom Basiselement aus und der Antrieb des Basiselementes vom Tragelement aus kann manuell oder elektrisch erfolgen. Es können an sich bekannte Spindelantriebe, Koppelgetriebe oder beispielsweise auch Seilzugantriebe zur Anwendung kommen.The drive of the adjusting elements from the base element and the drive of the base element from the support element can be done manually or electrically. It can be used per se known spindle drives, coupling gear or, for example, cable traction drives.
Mittels der erfindungsgemäßen Verstellvorrichtung kann nicht nur eine Lordose in einer Lehne eines Fahrzeugsitzes in zwei Ebenen eingestellt werden, sondern sie kann auch für andere Versteller genutzt werden. Zum Beispiel kann eine Kopfstütze auf und ab sowie vor und zurück verstellt werden, eine Fußstütze kann eingestellt werden, oder Seitenwangen oder eine Sitztiefe kann eingestellt werden.By means of the adjusting device according to the invention not only a lordosis can be set in a backrest of a vehicle seat in two levels, but it can also be used for other adjusters. For example, a headrest can be moved up and down and back and forth, a footrest can be adjusted, or side bolsters or a seat depth can be adjusted.
Details der Erfindung werden im Folgenden an Hand von Ausführungsbeispielen erläutert. Von den zugehörigen Zeichnungen zeigt:
-
1 : eine gattungsgemäße Lordosen-Verstellvorrichtung nach dem Stand der Technik; -
2 : das Funktionsprinzip der Verstellvorrichtung nach1 ; -
3 : das Funktionsprinzip einer erfindungsgemäßen Verstellvorrichtung; -
4 : eine erfindungsgemäße Lordosen-Verstellvorrichtung; -
5a-c : eine weitere Lordosen-Verstellvorrichtung in drei Ansichten; -
6 : ein Fahrzeugsitz mit schematisch verdeutlichten Einsatzmöglichkeiten der erfindungsgemäßen Verstellvorrichtung.
-
1 a generic lordosis adjustment device according to the prior art; -
2 : the operating principle of the adjusting device after1 ; -
3 : the functional principle of an adjusting device according to the invention; -
4 a lumbar adjustment device according to the invention; -
5a-c another lumbar adjustment device in three views; -
6 : A vehicle seat with schematically clarified possible uses of the adjusting device according to the invention.
Die in
Gemäß der Erfindung sind wie in
Ein Tragelement
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102015120393 A1 [0001, 0002]DE 102015120393 A1 [0001, 0002]
- WO 2011/057694 A1 [0003]WO 2011/057694 A1 [0003]
Claims (10)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017105920.2A DE102017105920A1 (en) | 2017-03-20 | 2017-03-20 | Adjustment device for a vehicle seat |
KR1020197015743A KR102219306B1 (en) | 2017-03-20 | 2018-03-19 | Vehicle seat adjustment device |
PCT/EP2018/056641 WO2018172199A1 (en) | 2017-03-20 | 2018-03-19 | Adjustment device for a vehicle seat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017105920.2A DE102017105920A1 (en) | 2017-03-20 | 2017-03-20 | Adjustment device for a vehicle seat |
Publications (1)
Publication Number | Publication Date |
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DE102017105920A1 true DE102017105920A1 (en) | 2018-09-20 |
Family
ID=61837734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102017105920.2A Pending DE102017105920A1 (en) | 2017-03-20 | 2017-03-20 | Adjustment device for a vehicle seat |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR102219306B1 (en) |
DE (1) | DE102017105920A1 (en) |
WO (1) | WO2018172199A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11479156B2 (en) * | 2020-11-04 | 2022-10-25 | Toyota Boshoku Kabushiki Kaisha | Lumbar support device |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2541559A1 (en) * | 1975-09-18 | 1977-03-24 | Bama Bueroeinrichtungs Ges Mbh | Adjustable lumbar support for seat - has two arm linkage to seat frame for vertical and horizontal movement |
JPH0534958U (en) * | 1991-10-21 | 1993-05-14 | 株式会社タチエス | Lumber support device |
DE29706398U1 (en) * | 1997-04-10 | 1997-05-22 | Megaplast S.A., Bilbao | Backrest for backrests, in particular for motor vehicle seats |
WO1999055200A1 (en) * | 1998-04-28 | 1999-11-04 | American Components, Inc. | An adjustable lumbar seat support |
WO2003031222A1 (en) * | 2001-10-11 | 2003-04-17 | L & P Property Mangement Company | Power lumbar mechanism |
WO2011057694A1 (en) | 2009-11-16 | 2011-05-19 | L&P Swiss Holding Ag | Adjusting device for a lumbar support and method of adjusting a lumbar support |
KR20110093367A (en) * | 2010-02-12 | 2011-08-18 | (주)디에스시 | 4-way lumbar support system |
DE102010061788A1 (en) * | 2010-11-23 | 2012-05-24 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | Device for adjusting e.g. back frame that is equipped to backrest of motor car seat, has adjusting element defining line-like extended plant for back support, so that adjusting element acts on back support over line-like extended plant |
WO2012144672A1 (en) * | 2011-04-21 | 2012-10-26 | (주)디에스시 | Four-way lumbar support assembly |
WO2013015474A1 (en) * | 2011-07-25 | 2013-01-31 | (주)디에스시 | 4-way lumbar support assembly |
WO2013117346A1 (en) * | 2012-02-10 | 2013-08-15 | Schukra Gerätebau Gmbh | Lumbar support device for a ventilated seat |
US20160052436A1 (en) * | 2014-08-22 | 2016-02-25 | Hyundai Motor Company | Lumber support apparatus for vehicle |
DE102015120393A1 (en) | 2015-06-02 | 2016-12-08 | Daechang Seat Co., Ltd. | Lumbar support device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE531294T1 (en) * | 2003-01-22 | 2011-11-15 | L & P Property Management Co | AUTOMATICALLY OPERATED ERGONOMIC SUPPORT SYSTEM FOR A FOLDABLE SEAT |
DE102008047249A1 (en) * | 2008-09-10 | 2010-03-11 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | Backrest structure for a motor vehicle seat |
US8950815B2 (en) * | 2012-11-29 | 2015-02-10 | Daimay North America Automotive, Inc. | Four-way adjustable headrest |
KR20140076782A (en) * | 2012-12-13 | 2014-06-23 | 이향호 | Foot rest apparatus |
FR3005008B1 (en) * | 2013-04-26 | 2015-07-17 | Faurecia Sieges Automobile | VEHICLE SEAT COMPRISING AN ADJUSTABLE SEAT NOSE |
KR101470213B1 (en) * | 2013-10-17 | 2014-12-08 | 현대다이모스(주) | Apparatus for seat side bolster of vehicle |
-
2017
- 2017-03-20 DE DE102017105920.2A patent/DE102017105920A1/en active Pending
-
2018
- 2018-03-19 KR KR1020197015743A patent/KR102219306B1/en active IP Right Grant
- 2018-03-19 WO PCT/EP2018/056641 patent/WO2018172199A1/en active Application Filing
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2541559A1 (en) * | 1975-09-18 | 1977-03-24 | Bama Bueroeinrichtungs Ges Mbh | Adjustable lumbar support for seat - has two arm linkage to seat frame for vertical and horizontal movement |
JPH0534958U (en) * | 1991-10-21 | 1993-05-14 | 株式会社タチエス | Lumber support device |
DE29706398U1 (en) * | 1997-04-10 | 1997-05-22 | Megaplast S.A., Bilbao | Backrest for backrests, in particular for motor vehicle seats |
WO1999055200A1 (en) * | 1998-04-28 | 1999-11-04 | American Components, Inc. | An adjustable lumbar seat support |
WO2003031222A1 (en) * | 2001-10-11 | 2003-04-17 | L & P Property Mangement Company | Power lumbar mechanism |
WO2011057694A1 (en) | 2009-11-16 | 2011-05-19 | L&P Swiss Holding Ag | Adjusting device for a lumbar support and method of adjusting a lumbar support |
KR20110093367A (en) * | 2010-02-12 | 2011-08-18 | (주)디에스시 | 4-way lumbar support system |
DE102010061788A1 (en) * | 2010-11-23 | 2012-05-24 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | Device for adjusting e.g. back frame that is equipped to backrest of motor car seat, has adjusting element defining line-like extended plant for back support, so that adjusting element acts on back support over line-like extended plant |
WO2012144672A1 (en) * | 2011-04-21 | 2012-10-26 | (주)디에스시 | Four-way lumbar support assembly |
WO2013015474A1 (en) * | 2011-07-25 | 2013-01-31 | (주)디에스시 | 4-way lumbar support assembly |
WO2013117346A1 (en) * | 2012-02-10 | 2013-08-15 | Schukra Gerätebau Gmbh | Lumbar support device for a ventilated seat |
US20160052436A1 (en) * | 2014-08-22 | 2016-02-25 | Hyundai Motor Company | Lumber support apparatus for vehicle |
DE102015120393A1 (en) | 2015-06-02 | 2016-12-08 | Daechang Seat Co., Ltd. | Lumbar support device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11479156B2 (en) * | 2020-11-04 | 2022-10-25 | Toyota Boshoku Kabushiki Kaisha | Lumbar support device |
Also Published As
Publication number | Publication date |
---|---|
WO2018172199A1 (en) | 2018-09-27 |
KR102219306B1 (en) | 2021-02-24 |
KR20190113758A (en) | 2019-10-08 |
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