WO2007082682A1 - Lordosenstütze - Google Patents
Lordosenstütze Download PDFInfo
- Publication number
- WO2007082682A1 WO2007082682A1 PCT/EP2007/000223 EP2007000223W WO2007082682A1 WO 2007082682 A1 WO2007082682 A1 WO 2007082682A1 EP 2007000223 W EP2007000223 W EP 2007000223W WO 2007082682 A1 WO2007082682 A1 WO 2007082682A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- chambers
- chamber
- lumbar support
- air
- seat back
- 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.)
- Ceased
Links
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
- B60N2/90—Details or parts not otherwise provided for
- B60N2/914—Hydro-pneumatic adjustments of the shape
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/46—Supports for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/46—Supports for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/467—Supports for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by fluid means
-
- 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
-
- 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
- B60N2/665—Lumbar supports using inflatable bladders
Definitions
- the present invention relates to a lumbar support, which has a plurality of pneumatically operated chambers for adjusting the curvature of a seat back.
- Such lumbar supports are used for example in the backrests of motor vehicle seats.
- the lumbar supports have a multiple supportive function, as both the lower spine area, i.
- the lumbar or lordosis area, as well as the middle spine area and the upper spine area, must be adequately supported in order to reliably prevent fatigue during prolonged sitting and, if necessary, damage to health.
- the use of lumbar supports whose curvature or curvature can be adjusted is of utmost importance in order to be able to adapt the vaulted apex to the individual needs of the individual who has sat down on the seat.
- this not only applies to lumbar supports in motor vehicle seats, but can also be found in the backrests of seats of any kind, such as office chairs application.
- Such lumbar supports can be actuated for example by a four-way control such as a cross-rocker.
- a lumbar support with two pneumatically operated chambers can be controlled. These two chambers are usually along the longitudinal direction of the backrest. By inflating the lower or upper chamber, a lower or higher vertex of the vault can be achieved. However, if both chambers are inflated, satisfactory geometry will not be achieved.
- an electronic control of the air pressure in the individual chambers is necessary because, for example, three or more chambers can no longer be completely controlled with the usually provided four-way control.
- Object of the present invention is to provide a lumbar support, the vertex of which is as variable as possible, with the control of lumbar support should be possible with the simplest possible control. This object is achieved with the features of the independent claims. In the dependent claims preferred embodiments of the invention are described.
- this relates to a lumbar support, which has a plurality of pneumatically operated chambers for adjusting the curvature of a seat back.
- the lumbar support according to the invention preferably has first chambers, each having an air supply for changing the compressed air in the respective chamber.
- second chambers are provided which each have a connection to a first chamber for changing the air pressure in the chamber, wherein the chambers are arranged partially overlapping along the longitudinal direction of the seat back.
- a chamber with air supply means that this chamber can be acted upon directly with compressed air.
- the other chambers are also supplied with compressed air, but this compressed air is supplied via the air connection with a first chamber. Accordingly, the second chambers are not directly supplied with compressed air, but supplied with compressed air via the first chambers.
- the lumbar support has two first and two second chambers, in which case the two second chambers overlap one another.
- the lumbar support according to the invention may have two outer first chambers and two middle second chambers in the longitudinal direction of the seat back, wherein the two middle chambers between the two outer chambers perpendicular to the longitudinal direction of the seat plane are arranged one above the other, wherein for each outer chamber an air connection with one of the two middle Chambers exists.
- the crest of the lumbar support can be set very variable. Likewise, a height adjustment of the vault crest in a larger vertical range is possible. Due to the fact that each outer chamber is in air communication with one of the two middle chambers, air supply must be provided only for the outer chambers.
- the lumbar support according to the invention can be installed in each vehicle seat, a separate device for controlling the individual chambers is not necessary.
- the one outer first chamber is in air communication with one of the two middle chambers, while the other outer first chamber is in air communication with the other of the two middle chambers. If compressed air is applied to one of the two outer chambers, one of the two central chambers is filled with air.
- the two middle (second) chambers in a pressurized state each have a smaller width in the direction of curvature of the seat back than the two outer chambers. This means that in a fully filled state, the two outer chambers have a greater extent perpendicular to the seat back than any single central chamber.
- the lumbar support is fastened to a support structure of the seat back by means of tabs fastened to the two central chambers. This means that the lumbar support is attached only via the central chambers on the seat back, the outer chambers are coupled only to the middle chambers.
- each central chamber preferably at least two, preferably three tabs may be attached to each central chamber, said at least two tabs of a chamber are guided around one of the two outer chambers and thus hold the outer chamber in position.
- the tabs secured to a central chamber are preferably guided on one side surface and along the other side surface of the outer chamber.
- the other middle chamber also has at least two, preferably three tabs, each guided around the other outer chamber.
- the two central chambers are wedge-shaped in their air-filled state, wherein the wedge shape extends in the longitudinal direction of the seat back.
- the wedge tip of a middle chamber facing up, while the wedge tip of the other middle chamber facing downward.
- the wedge tip in the air-filled state may result from the tabs being attached to the side edge of the middle chamber where the wedge tip lies.
- two air feeds are preferably provided, a first at one outer chamber, a second air supply at the other outer chamber. If the one Compressed air is also applied, which is in communication with this outer chamber middle chamber with compressed air, since the two chamber are in communication.
- the two central chambers are designed such that they have a greater transverse extent together in the fully air-filled state than the two outer chambers. If both middle chambers are filled with compressed air, this means that the two outer chambers are filled with compressed air. In order to obtain a vault vertex in the middle of the lumbar support, the two middle chambers in the filled state are more advanced than the two outer chambers above or below the two middle chambers.
- the air supply to the two outer chambers is controlled via a four-way control.
- the control can be carried out, for example, to the effect that upon movement of the control in the first direction, all two outer chambers are pressurized with compressed air, in a movement in the second direction, the compressed air is removed from both chambers.
- the first outer chamber may be pressurized with compressed air, while the other outer chamber may not be pressurized with air, or any compressed air may be removed from that other chamber while moving the control in the fourth direction
- the other outer chamber can be pressurized with compressed air, while the first outer chamber is not pressurized with compressed air or compressed air is withdrawn.
- Figure 1 is a side view of the lumbar support according to the invention.
- Figure 2 is a front view of the lumbar support according to the invention.
- the lumbar support has two outer pneumatically operated first chambers 1 1 and 12, a lower chamber 1 1 and an upper chamber 12.
- the two outer chambers 11 and 12 are respectively in air communication with one of the two middle second chambers 13 , 14, which lie one above the other perpendicular to the longitudinal direction of the lumbar support.
- each of the lower chamber 11 and the upper chamber 12 an air supply 21 and 22, with the air supply and the air discharge is controlled for the chambers 1 1 and 12.
- the chamber 11 is in air communication with the chamber 14 via a connection 23.
- the chamber 12 likewise has an air connection (not shown) with the chamber 13. Now, if the chamber 12 is acted upon by the air supply 22 with compressed air, so the chamber 12 fills with compressed air. Due to the air connection with the chamber 13, this is also acted upon by compressed air.
- each middle chamber 13 and 14 are attached via tabs 25 and 26 to a support structure, not shown, of the seat back.
- each middle chamber each has three attachment tabs. These three fastening tabs 25 and 26 are each guided around one of the two outer chambers 12 and 11 and hold the outer chambers 12 and 11 in position. In the illustration shown in Figure 1, the tabs 25 and 26 are also made visible around the upper and lower chamber.
- the two middle chambers are formed in the filled state is substantially wedge-shaped, wherein the wedge tip is attached to the edge of the chamber to which the tabs are attached to the chamber.
- the attached to the central chambers ends of the tabs 25 and 26 act as ribs, which influence the shape of the chambers 13 and 14 in the inflated state and set.
- the wedge tip of the chamber 14 facing upward, the chamber 14 is connected at this end to the tabs 25, while the wedge tip of the chamber 13 faces down, at this tip or edge of the chamber 13, the tabs 26 are attached.
- the vertex of the lumbar support can be variably adjusted. If only the upper chamber is acted upon with compressed air, the vault peak is at the level of the upper chamber 12. In this state, the chamber 13 is not filled with air, while the chamber 14 is also partially or completely filled. In another vaulting mold, only the chamber 11 is pressurized with compressed air while the compressed air is removed from the chamber 12. In this state, the chamber 14 is provided with compressed air, while the chamber 13 is without compressed air, in this embodiment, the vault cusp is at the level of the lower chamber 11. Now, if both chambers acted upon with compressed air, the two middle chambers 13 and 14th formed such that the vault cusp is at the level of the two central chambers 13 and 14.
- the lumbar support can be achieved at the level of the chamber 12, the chamber 11 or at the level of the chambers 13 or 14 with the lumbar support according to the invention a vertex vertex. Furthermore, these different individual settings can be made with the help of a single four-way Control can be influenced, whereby the described lumbar support can be installed in any standard vehicle seat.
- the present invention has a better pressure distribution than a conventional two-chamber system that can be controlled with a similar control element. Furthermore, the vault cusp can be shifted in the vertical direction by a greater height than in conventional two-chamber systems.
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)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT07702699T ATE458426T1 (de) | 2006-01-17 | 2007-01-11 | Lordosenstütze |
| CN200780001389XA CN101355894B (zh) | 2006-01-17 | 2007-01-11 | 脊柱前凸支撑件 |
| EP07702699A EP1973448B1 (de) | 2006-01-17 | 2007-01-11 | Lordosenstütze |
| JP2008550670A JP2009523513A (ja) | 2006-01-17 | 2007-01-11 | ランバーサポート |
| DE502007002921T DE502007002921D1 (de) | 2006-01-17 | 2007-01-11 | Lordosenstütze |
| US12/096,861 US7621596B2 (en) | 2006-01-17 | 2007-01-11 | Lumbar support |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006002230.0 | 2006-01-17 | ||
| DE102006002230A DE102006002230B3 (de) | 2006-01-17 | 2006-01-17 | Lordosenstütze |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007082682A1 true WO2007082682A1 (de) | 2007-07-26 |
Family
ID=37857166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2007/000223 Ceased WO2007082682A1 (de) | 2006-01-17 | 2007-01-11 | Lordosenstütze |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7621596B2 (de) |
| EP (1) | EP1973448B1 (de) |
| JP (1) | JP2009523513A (de) |
| KR (1) | KR20080074946A (de) |
| CN (1) | CN101355894B (de) |
| AT (1) | ATE458426T1 (de) |
| DE (2) | DE102006002230B3 (de) |
| WO (1) | WO2007082682A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015022331A1 (de) * | 2013-08-13 | 2015-02-19 | Conti Temic Microelectronic Gmbh | Stellelement für einen fahrzeugsitz |
| EP4082831A1 (de) * | 2021-04-26 | 2022-11-02 | Schukra Gerätebau GmbH | Pneumatische blasenanordnung |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009012622A1 (de) * | 2009-03-11 | 2010-09-16 | GM Global Technology Operations, Inc., Detroit | Luftkissenanordnung zur Ausbildung eines veränderbaren Volumens innerhalb eines Polsters eines Kraftfahrzeugsitzes |
| US8585141B2 (en) * | 2011-09-28 | 2013-11-19 | Srithai Autoseats Industry Company Limited | Lumbar support device |
| US9004595B1 (en) * | 2011-12-12 | 2015-04-14 | Peter Larrieu | Spinal support device |
| DE102012211392B4 (de) * | 2012-07-02 | 2022-07-21 | Conti Temic Microelectronic Gmbh | Stellelement für einen Fahrzeugsitz, Fahrzeugsitz und Verfahren zum Herstellen eines Stellelementes |
| DE102012215301A1 (de) * | 2012-08-29 | 2014-03-06 | Continental Automotive Gmbh | Stellelement für einen Fahrzeugsitz |
| JP5962490B2 (ja) * | 2012-12-19 | 2016-08-03 | トヨタ紡織株式会社 | 車両用シート |
| JP5892138B2 (ja) * | 2013-10-04 | 2016-03-23 | トヨタ自動車株式会社 | ショルダサポートアジャスタ及び車両用シート |
| US9987961B2 (en) | 2014-06-09 | 2018-06-05 | Lear Corporation | Adjustable seat assembly |
| US10328823B2 (en) | 2014-06-09 | 2019-06-25 | Lear Corporation | Adjustable seat assembly |
| US9981577B2 (en) | 2015-01-19 | 2018-05-29 | Lear Corporation | Thoracic air bladder assembly |
| KR102014011B1 (ko) * | 2015-03-12 | 2019-08-23 | 탕트링 시팅 테크놀로지 아이엔씨. | 시트의 요추 지지대의 점진적인 조절 장치 및 방법 |
| JP6347220B2 (ja) * | 2015-03-17 | 2018-06-27 | トヨタ紡織株式会社 | 乗物用シートのサポート装置 |
| US9776724B2 (en) | 2015-05-13 | 2017-10-03 | Ami Industries, Inc. | Varying tube size of seat to prolong comfort in aerospace vehicle |
| US9845026B2 (en) | 2015-05-19 | 2017-12-19 | Lear Corporation | Adjustable seat assembly |
| US9884570B2 (en) | 2015-05-19 | 2018-02-06 | Lear Corporation | Adjustable seat assembly |
| JP6468076B2 (ja) * | 2015-05-26 | 2019-02-13 | トヨタ紡織株式会社 | 乗物用シートのサポート装置 |
| US9610872B2 (en) * | 2015-08-10 | 2017-04-04 | Ford Global Technologies, Llc | Thigh support providing full height auxiliary firmness for an unoccupied and unfolded, fold flat, air suspended seat |
| US9661928B2 (en) | 2015-09-29 | 2017-05-30 | Lear Corporation | Air bladder assembly for seat bottoms of seat assemblies |
| US9758079B2 (en) | 2015-10-08 | 2017-09-12 | Lear Corporation | Adjustable seat assembly |
| US9827888B2 (en) | 2016-01-04 | 2017-11-28 | Lear Corporation | Seat assemblies with adjustable side bolster actuators |
| US20180326881A1 (en) * | 2017-05-11 | 2018-11-15 | Lear Corporation | Inflatable support bladder assembly |
| US10611279B2 (en) | 2018-06-13 | 2020-04-07 | GM Global Technology Operations LLC | Occupant support system for a passenger vehicle seat |
| DE102018127495A1 (de) * | 2018-11-05 | 2020-05-07 | Faurecia Autositze Gmbh | Kraftfahrzeugsitz |
| US10765219B1 (en) * | 2019-04-17 | 2020-09-08 | Ka Group Ag | Lounger having a pneumatic lounging system |
| JP7427892B2 (ja) * | 2019-09-17 | 2024-02-06 | 株式会社アイシン | 空気袋及び車両用シート装置 |
| US11541795B2 (en) * | 2020-10-30 | 2023-01-03 | GM Global Technology Operations LLC | Reconfigurable seating and cargo systems with inflatable panels |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4106862A1 (de) * | 1991-03-05 | 1992-09-10 | Daimler Benz Ag | Kraftfahrzeugsitz |
| WO1998058566A1 (en) * | 1997-06-23 | 1998-12-30 | Mccord Winn Textron Inc. | Adjustable lumbar seating system |
| DE10063478A1 (de) * | 2000-12-20 | 2002-07-04 | Alfmeier Praez Ag | Sitz, insbesondere Fahrzeugsitz |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2987114A (en) * | 1958-08-15 | 1961-06-06 | Klepper Raphael | Inflatable cushion |
| US3297023A (en) * | 1964-06-09 | 1967-01-10 | Affiliated Hospital Prod | Pulsating body supporting pad with alternately inflatable, superposed cells |
| US3330598A (en) * | 1966-02-14 | 1967-07-11 | Whiteside George Harold | Pneumatic seat |
| JPS6125854U (ja) | 1984-07-20 | 1986-02-15 | アイシン精機株式会社 | エアランバサポ−ト装置 |
| DE3672939D1 (de) * | 1985-04-15 | 1990-08-30 | Pauline De Looper | Bettzeug- oder sitzbestandteil. |
| DE3537846C1 (de) | 1985-10-24 | 1987-05-07 | Daimler Benz Ag | Einstellbare Rueckenstuetze fuer Kraftwagensitze |
| US4759543A (en) * | 1986-10-27 | 1988-07-26 | Feldman Susan M | Passive exercise cushion |
| US4840425A (en) * | 1987-04-21 | 1989-06-20 | Tush Cush, Inc. | Varying support cushioned seating assembly and method |
| GB9311069D0 (en) * | 1993-05-23 | 1993-07-14 | British Astec Medical | Alternating pressure pad |
| US5662384A (en) * | 1995-11-14 | 1997-09-02 | Peter W. Linley | Dynamic seating support system |
| CA2244955C (en) * | 1997-08-13 | 2006-12-05 | Magna Interior Systems Inc. | Adjustable comfort seat |
| DE19934472A1 (de) | 1999-07-27 | 2001-02-08 | Daimler Chrysler Ag | Konturverstellbarer Sitz, insbesondere Fahrzeugsitz |
| DE10259621B4 (de) * | 2002-12-18 | 2005-12-01 | W.E.T. Automotive Systems Ag | Fahrzeugsitz und zugehörige Klimatisierungseinrichtung |
-
2006
- 2006-01-17 DE DE102006002230A patent/DE102006002230B3/de not_active Expired - Lifetime
-
2007
- 2007-01-11 AT AT07702699T patent/ATE458426T1/de active
- 2007-01-11 EP EP07702699A patent/EP1973448B1/de active Active
- 2007-01-11 KR KR1020087013430A patent/KR20080074946A/ko not_active Ceased
- 2007-01-11 CN CN200780001389XA patent/CN101355894B/zh active Active
- 2007-01-11 JP JP2008550670A patent/JP2009523513A/ja not_active Withdrawn
- 2007-01-11 US US12/096,861 patent/US7621596B2/en active Active
- 2007-01-11 WO PCT/EP2007/000223 patent/WO2007082682A1/de not_active Ceased
- 2007-01-11 DE DE502007002921T patent/DE502007002921D1/de active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4106862A1 (de) * | 1991-03-05 | 1992-09-10 | Daimler Benz Ag | Kraftfahrzeugsitz |
| WO1998058566A1 (en) * | 1997-06-23 | 1998-12-30 | Mccord Winn Textron Inc. | Adjustable lumbar seating system |
| DE10063478A1 (de) * | 2000-12-20 | 2002-07-04 | Alfmeier Praez Ag | Sitz, insbesondere Fahrzeugsitz |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015022331A1 (de) * | 2013-08-13 | 2015-02-19 | Conti Temic Microelectronic Gmbh | Stellelement für einen fahrzeugsitz |
| EP4082831A1 (de) * | 2021-04-26 | 2022-11-02 | Schukra Gerätebau GmbH | Pneumatische blasenanordnung |
| WO2022228785A1 (en) * | 2021-04-26 | 2022-11-03 | Schukra Berndorf Gmbh | Pneumatic bladder arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502007002921D1 (de) | 2010-04-08 |
| JP2009523513A (ja) | 2009-06-25 |
| US20080277985A1 (en) | 2008-11-13 |
| EP1973448A1 (de) | 2008-10-01 |
| US7621596B2 (en) | 2009-11-24 |
| DE102006002230B3 (de) | 2007-08-23 |
| CN101355894B (zh) | 2013-01-02 |
| CN101355894A (zh) | 2009-01-28 |
| EP1973448B1 (de) | 2010-02-24 |
| ATE458426T1 (de) | 2010-03-15 |
| KR20080074946A (ko) | 2008-08-13 |
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