WO2005035304A1 - Kopfstütze für einen fahrzeugsitz - Google Patents
Kopfstütze für einen fahrzeugsitz Download PDFInfo
- Publication number
- WO2005035304A1 WO2005035304A1 PCT/EP2004/011095 EP2004011095W WO2005035304A1 WO 2005035304 A1 WO2005035304 A1 WO 2005035304A1 EP 2004011095 W EP2004011095 W EP 2004011095W WO 2005035304 A1 WO2005035304 A1 WO 2005035304A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- impact element
- headrest according
- headrest
- bar linkage
- bolt
- 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
- B60N2/80—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
- B60N2/80—Head-rests
- B60N2/888—Head-rests with arrangements for protecting against abnormal g-forces, e.g. by displacement of the head-rest
Definitions
- the invention relates to a headrest for a vehicle seat with a fixed support part and a baffle element that can be moved relative to this, according to the preamble of patent claim 1.
- a generic headrest is known from DE 102 02 598 AI.
- the known headrest is characterized by a fixed support part and a baffle element that can be moved relative to this.
- Carrier part and impact element are connected to each other via upper and lower levers, which form four joints.
- the impact element is moved relative to the fixed support part by pivoting the levers and thus by actuating the four-bar linkage.
- the pivoting of the impact element relative to the fixed support part takes place in the known headrest in two different situations.
- a locking device is provided which locks the four joints and thereby holds the impact element in a position which has been set once.
- the impact element can be moved due to a crash. This method also takes place via the four-bar link described above. During that Adjustment is carried out manually for convenience purposes, the crash-active adjustment is carried out with the help of a drive.
- the present invention is based on the object of providing a headrest for a vehicle seat with a fixed support part and a baffle element which can be moved relative to the latter and which is easier and therefore less expensive to produce.
- the solution according to the invention is therefore characterized in that a lever system provided between the impact element and the support part can be at least partially decoupled.
- this results in the possibility of realizing different movement sequences between the carrier part and the impact element.
- This has the advantage that, depending on the reason for which the impact element is moved relative to the fixed support part, a different sequence of movements can be realized.
- the independence of the motion sequences, depending on the reason for triggering, enables the possibility to set each motion sequence separately and thus to provide an ideal motion sequence for each triggering situation.
- the impact element is mounted on the carrier part via at least one lower and one upper lever.
- the connection via two levers is a simple lever system that can be designed to be sufficiently robust to absorb the forces acting on the impact element in the event of an accident. It is conceivable to provide a pair of levers at the top and bottom, which makes the mounting of the movable impact element more stable. The use of lever pairs thus supports a robust and therefore reliable mounting of the impact element on the fixed support component.
- the upper and lower levers can each be pivotally mounted both on the fixed support part and on the movable impact element, so that they each form a four-bar linkage.
- a hinge point of the four-bar linkage is slidably mounted.
- a displaceable mounting of an articulation point of the four-bar linkage makes it possible to decouple the four-bar linkage and thus to implement different movement sequences using the same lever arrangement. If the displaceably mounted hinge point of the four-bar linkage is locked, the movement sequence is characterized by pivoting the levers around the four-bar linkage, so that the movement of the impact element relative to the fixed support part is characterized by an overlap from a pivoting to a translational movement. Depending on the arrangement of the levers, the impact element can thereby be displaced forwards, that is to say in the direction of the head of the vehicle occupant, and downwards or upwards.
- the slidably mounted hinge point can be designed as a bolt which is mounted in an elongated hole.
- the bolt can be pressed into the elongated hole.
- the slot counteracts the bolt with a defined coefficient of friction.
- a minimum force must first be overcome. This arrangement has the advantage that it is easy to manufacture and saves material. It represents a simple way of locking a joint point in a bearing.
- the different movement sequences can be implemented in different situations for moving the impact element.
- the impact element can be transferred from a normal position to a protective position.
- the protective position is mentioned in connection with the invention, this means the position which the impact element assumes in the event of an accident in order to protect the vehicle occupant from injuries.
- the protective position is defined in such a way that it prevents the head of a vehicle occupant from swinging back in the event of an accident and thus prevents injuries.
- the four-bar linkage can be used to transfer from the normal position to the protective position.
- the pivoting via the four-bar linkage has the advantage that a reliable and specifically determinable displacement of the impact element relative to the fixed support part is possible.
- the baffle element is adjustable in its normal position for comfort purposes.
- the adjustment can be made via the decoupled four-bar linkage.
- the comfort adjustment can be push the slidably mounted hinge point of the four-bar. In this case, the movement sequence described in connection with claim 5 results.
- Fig. 1 is a schematic sectional view of a headrest according to the invention in a normal position
- Fig. 2 is a schematic sectional view of Figure 1 in a normal position adjusted for convenience.
- a headrest 1 is shown.
- I is attached via head support rods 2 to a seat, not shown. It has a support part 3 connected to the headrest rods 2.
- the carrier part 3 has bearing points 4.
- a baffle element 5 is also provided.
- the impact element 5 consists of a support body 6 and a pad 8 connected to the support body 6 via connecting webs 7.
- the impact element 5 is connected to the carrier part 3 via an upper lever 12 and a lower lever 13.
- the lever 12 extends from the upper bearing 4 on the carrier part 3 to the upper bearing 9 on the impact element 5.
- the lever 13 extends from the lower bearing 4 on the carrier part 3 to the lower bearing.
- the bearings take on swivel joints, which may consist of bolts, for example.
- the lower bearing point 11 on the impact element 5 is characterized in that it has the shape of an elongated hole.
- a bolt 15 forming the lower joint of the lower lever 13 is mounted in this elongated hole. Through the elongated hole, it is possible to move the bolt 15 in the bearing 11, that is to say relative to the impact element 5.
- the remaining pivot points in the bearing points 4 and 9 are designed as a fixed position.
- the bolts forming the hinge points are not slidably mounted.
- the movable impact element 5 can perform different movements.
- a movement run is carried out when a vehicle occupant adjusts the headrest for reasons of comfort.
- Another movement sequence is carried out when the headrest 1 is transferred from its normal position to a protective position in the event of an accident.
- the adjustment for convenience purposes is first described. If a vehicle occupant wants to adjust the impact element 5 for reasons of comfort, this can be done by a force. Do line in the direction of arrow A in Figure 1. This introduction of force means that the impact element 5 rotates with the upper lever 12 about the upper hinge point 4 on the fixed support part 3.
- the maximum adjustment path of such a rotary movement is predetermined by the length of the elongated hole 11. In the illustrated embodiment, the maximum adjustment angle corresponds to the angle ⁇ shown.
- the comfort adjustment is an inclination adjustment that results from pivoting about the pivot point 4 of the upper lever 12.
- the elongated hole 11 is curved and has a radius corresponding to the distance from the upper pivot point 4.
- the bolt 15 is preferably pressed into the elongated hole 11, as a result of which a movement of the bolt 15 in the elongated hole 11 is countered by a defined coefficient of friction, which enables the impact element 5 to be locked in any position and thus enables the impact element 5 to be adjusted continuously.
- a movement of the bolt 15 in the elongated hole 11 is countered by a defined coefficient of friction, which enables the impact element 5 to be locked in any position and thus enables the impact element 5 to be adjusted continuously.
- any other form of locking the impact element 5 relative to the lower lever 13 is also conceivable.
- the elongated hole 11 can also be designed in a profiled manner, or its walls can be designed in a continuous manner, so that a gradual or latched adjustment is made possible. The adjustment for convenience purposes can also be carried out with the aid of a drive, for example an electric motor.
- the impact element 5 In the event of a crash, the impact element 5 is displaced, as is known from the prior art, by simultaneously pivoting the levers 12, 13 about the articulation points 4. The impact element 5 swivels forward or upward. The pivoting can take place independently of the set inclination of the impact element 5.
- a common locking mechanism is provided for this application. For example, a prestressed spring can serve as the drive.
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/576,184 US7520564B2 (en) | 2003-10-18 | 2004-10-05 | Headrest for a vehicle seat |
| JP2006534640A JP2007508976A (ja) | 2003-10-18 | 2004-10-05 | 車両シート用ヘッドレスト |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10348939.8 | 2003-10-18 | ||
| DE10348939A DE10348939B3 (de) | 2003-10-18 | 2003-10-18 | Kopfstütze für einen Fahrzeusitz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005035304A1 true WO2005035304A1 (de) | 2005-04-21 |
Family
ID=33547226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2004/011095 Ceased WO2005035304A1 (de) | 2003-10-18 | 2004-10-05 | Kopfstütze für einen fahrzeugsitz |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7520564B2 (de) |
| JP (1) | JP2007508976A (de) |
| DE (1) | DE10348939B3 (de) |
| WO (1) | WO2005035304A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293889A (zh) * | 2018-03-21 | 2019-10-01 | 格瑞玛股份公司 | 头枕 |
Families Citing this family (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2424363B (en) * | 2005-03-24 | 2008-07-16 | Autoliv Dev | Active headrest with lock mechanism |
| FR2891506B1 (fr) | 2005-10-05 | 2007-12-07 | Faurecia Sieges Automobile | Appui-tete pour siege de vehicule et siege comportant un tel appui-tete |
| US7556313B2 (en) * | 2005-11-04 | 2009-07-07 | Gm Global Technology Operations, Inc. | Active material actuated headrest assemblies |
| US8109567B2 (en) * | 2006-10-31 | 2012-02-07 | GM Global Technology Operations LLC | Active material actuated headrest utilizing bar linkage deployment system |
| DE102006055185B4 (de) * | 2006-11-21 | 2010-06-02 | Keiper Gmbh & Co. Kg | Crashaktives System eines Fahrzeugs |
| US7992933B2 (en) * | 2007-06-21 | 2011-08-09 | Lear Corporation | Integrated vehicle seat with active head restraint system |
| DE102007041498B3 (de) * | 2007-08-31 | 2009-02-26 | Johnson Controls Gmbh | Kopfstütze für ein Fahrzeug |
| DE102007041496B3 (de) * | 2007-08-31 | 2009-02-26 | Johnson Controls Gmbh | Kopfstütze für ein Fahrzeug |
| DE102008012217B4 (de) | 2007-11-23 | 2009-11-26 | Johnson Controls Gmbh | Verriegelungseinrichtung, insbesondere für eine crashaktive Kopfstütze eines Fahrzeugs |
| US8100472B2 (en) * | 2008-03-17 | 2012-01-24 | Lear Corporation | Vehicle active head restraint system with a locking linkage |
| JP5286861B2 (ja) * | 2008-03-19 | 2013-09-11 | アイシン精機株式会社 | 運動変換駆動装置及びその運動変換駆動装置を備えた車両用シート装置 |
| US8205941B2 (en) | 2008-07-30 | 2012-06-26 | Trw Vehicle Safety Systems Inc. | Active head restraint for a vehicle seat |
| DE102010002525B9 (de) * | 2009-05-28 | 2012-12-13 | Lear Corp. | Sitzbaugruppe mit einer beweglichen Kopfstützen-Baugruppe |
| DE102010007942B4 (de) * | 2010-02-12 | 2012-08-09 | Grammer Aktiengesellschaft | Kopfstütze für Fahrzeugsitze |
| DE102010023403B4 (de) * | 2010-06-11 | 2012-09-27 | Johnson Controls Gmbh | Kopfstütze, insbesondere für ein Kraftfahrzeug |
| DE102011009659B4 (de) | 2010-09-24 | 2023-05-17 | Adient Us Llc | Kopfstütze mit einer verstellbaren Kopfanlagefläche |
| WO2012111097A1 (ja) * | 2011-02-15 | 2012-08-23 | トヨタ自動車株式会社 | 車両用ヘッドレスト装置 |
| US8899685B2 (en) | 2012-06-27 | 2014-12-02 | Porter Group, Llc | Vehicle seat headrest assembly having vertical and longitudinal adjustment |
| WO2014049730A1 (ja) * | 2012-09-26 | 2014-04-03 | テイ・エス テック株式会社 | ヘッドレスト |
| EP2939874B1 (de) | 2012-12-28 | 2019-11-13 | TS Tech Co., Ltd. | Kopfstütze |
| US9399418B2 (en) | 2013-01-24 | 2016-07-26 | Ford Global Technologies, Llc | Independent cushion extension and thigh support |
| US9415713B2 (en) | 2013-01-24 | 2016-08-16 | Ford Global Technologies, Llc | Flexible seatback system |
| US9409504B2 (en) | 2013-01-24 | 2016-08-09 | Ford Global Technologies, Llc | Flexible seatback system |
| KR101501076B1 (ko) * | 2013-07-03 | 2015-03-16 | 현대다이모스(주) | 차량용 시트의 목 받침 장치 |
| US9315130B2 (en) * | 2013-11-11 | 2016-04-19 | Ford Global Technologies, Llc | Articulating head restraint |
| US9315131B2 (en) | 2014-01-23 | 2016-04-19 | Ford Global Technologies, Llc | Suspension seat back and cushion system having an inner suspension panel |
| US9421894B2 (en) | 2014-04-02 | 2016-08-23 | Ford Global Technologies, Llc | Vehicle seating assembly with manual independent thigh supports |
| BR102015008502A2 (pt) * | 2014-04-21 | 2015-10-27 | Ford Global Tech Llc | conector elétrico de apoio de cabeça motorizado |
| KR101576377B1 (ko) * | 2014-07-01 | 2015-12-11 | 현대다이모스(주) | 헤드레스트 리클라이닝 모듈 |
| US9789790B2 (en) | 2014-10-03 | 2017-10-17 | Ford Global Technologies, Llc | Tuned flexible support member and flexible suspension features for comfort carriers |
| US9511696B2 (en) | 2015-05-06 | 2016-12-06 | Daimay North America Automotive, Inc. | Rotatable headrest assembly |
| US10046682B2 (en) | 2015-08-03 | 2018-08-14 | Ford Global Technologies, Llc | Back cushion module for a vehicle seating assembly |
| KR102124356B1 (ko) * | 2015-10-05 | 2020-06-19 | 애디언트 룩셈부르크 홀딩 에스.아 알.엘. | 차량 시트의 머리받침대 |
| EP3423301B1 (de) * | 2016-02-29 | 2020-04-08 | Jifeng Automotive Interior GmbH | Kopfstütze mit verbesserter verstelleinrichtung |
| US9849817B2 (en) | 2016-03-16 | 2017-12-26 | Ford Global Technologies, Llc | Composite seat structure |
| US10286818B2 (en) | 2016-03-16 | 2019-05-14 | Ford Global Technologies, Llc | Dual suspension seating assembly |
| US9994135B2 (en) | 2016-03-30 | 2018-06-12 | Ford Global Technologies, Llc | Independent cushion thigh support |
| US10220737B2 (en) | 2016-04-01 | 2019-03-05 | Ford Global Technologies, Llc | Kinematic back panel |
| US9889773B2 (en) | 2016-04-04 | 2018-02-13 | Ford Global Technologies, Llc | Anthropomorphic upper seatback |
| US9802512B1 (en) | 2016-04-12 | 2017-10-31 | Ford Global Technologies, Llc | Torsion spring bushing |
| US9845029B1 (en) | 2016-06-06 | 2017-12-19 | Ford Global Technologies, Llc | Passive conformal seat with hybrid air/liquid cells |
| US9849856B1 (en) | 2016-06-07 | 2017-12-26 | Ford Global Technologies, Llc | Side airbag energy management system |
| US9834166B1 (en) | 2016-06-07 | 2017-12-05 | Ford Global Technologies, Llc | Side airbag energy management system |
| US10166895B2 (en) | 2016-06-09 | 2019-01-01 | Ford Global Technologies, Llc | Seatback comfort carrier |
| US10377279B2 (en) | 2016-06-09 | 2019-08-13 | Ford Global Technologies, Llc | Integrated decking arm support feature |
| US9789794B1 (en) * | 2016-07-19 | 2017-10-17 | Ford Global Technologies, Llc | Active head restraint |
| US10286824B2 (en) | 2016-08-24 | 2019-05-14 | Ford Global Technologies, Llc | Spreader plate load distribution |
| US10279714B2 (en) | 2016-08-26 | 2019-05-07 | Ford Global Technologies, Llc | Seating assembly with climate control features |
| US10391910B2 (en) | 2016-09-02 | 2019-08-27 | Ford Global Technologies, Llc | Modular assembly cross-tube attachment tab designs and functions |
| US10239431B2 (en) | 2016-09-02 | 2019-03-26 | Ford Global Technologies, Llc | Cross-tube attachment hook features for modular assembly and support |
| EP3315355B1 (de) * | 2016-10-26 | 2021-12-08 | Volvo Car Corporation | Fahrzeugsitz und kopfstütze für einen fahrzeugsitz |
| US9914378B1 (en) | 2016-12-16 | 2018-03-13 | Ford Global Technologies, Llc | Decorative and functional upper seatback closeout assembly |
| US10596936B2 (en) | 2017-05-04 | 2020-03-24 | Ford Global Technologies, Llc | Self-retaining elastic strap for vent blower attachment to a back carrier |
| JP6879864B2 (ja) * | 2017-08-25 | 2021-06-02 | 日本発條株式会社 | ヘッドレスト装置 |
| GB2567426B (en) * | 2017-10-06 | 2020-11-04 | Jaguar Land Rover Ltd | Head restraint assembly |
| DE102018109611B4 (de) * | 2018-04-10 | 2022-04-21 | Grammer Aktiengesellschaft | Kopfstütze |
| US10953810B2 (en) * | 2018-11-01 | 2021-03-23 | Safran Seats Usa Llc | Impact bracket stress-deformation release mechanism |
| DE102019208054A1 (de) * | 2019-06-03 | 2020-12-03 | Audi Ag | Kopfstütze für ein Fahrzeug |
| KR20250082019A (ko) * | 2023-11-28 | 2025-06-09 | 현대자동차주식회사 | 자동차용 헤드레스트 위치 조절 장치 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10224060C1 (de) * | 2002-05-31 | 2003-07-24 | Daimler Chrysler Ag | Kopfstütze für einen Fahrzeugsitz |
| DE10202598A1 (de) * | 2002-01-24 | 2003-08-07 | Keiper Gmbh & Co Kg | Kopfstütze für einen Fahrzeugsitz |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58156424A (ja) * | 1982-03-15 | 1983-09-17 | Honda Motor Co Ltd | 車両のシ−ト高さ調整装置 |
| DE19707998B4 (de) * | 1997-02-27 | 2007-04-05 | Inova Gmbh Technische Entwicklungen | Kraftfahrzeugsitz |
| EP0995631B1 (de) * | 1998-08-28 | 2004-10-27 | Ikeda Bussan Co., Ltd. | Sitzrückenlehne für Kraftfahrzeug |
| US6213548B1 (en) * | 1999-08-12 | 2001-04-10 | Trw Inc. | Head restraint apparatus |
| JP2001238753A (ja) * | 2000-02-29 | 2001-09-04 | Aisin Seiki Co Ltd | ヘッドレスト装置 |
| US6824212B2 (en) * | 2000-08-24 | 2004-11-30 | Lear Corporation | Vehicle seat |
| DE10047406A1 (de) * | 2000-09-26 | 2002-04-11 | Daimler Chrysler Ag | Kopfstütze |
| DE10208620C1 (de) * | 2002-02-27 | 2003-07-24 | Itw Automotive Prod Gmbh & Co | Kopfstütze für Automobilsitze |
-
2003
- 2003-10-18 DE DE10348939A patent/DE10348939B3/de not_active Expired - Fee Related
-
2004
- 2004-10-05 US US10/576,184 patent/US7520564B2/en not_active Expired - Fee Related
- 2004-10-05 WO PCT/EP2004/011095 patent/WO2005035304A1/de not_active Ceased
- 2004-10-05 JP JP2006534640A patent/JP2007508976A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10202598A1 (de) * | 2002-01-24 | 2003-08-07 | Keiper Gmbh & Co Kg | Kopfstütze für einen Fahrzeugsitz |
| DE10224060C1 (de) * | 2002-05-31 | 2003-07-24 | Daimler Chrysler Ag | Kopfstütze für einen Fahrzeugsitz |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293889A (zh) * | 2018-03-21 | 2019-10-01 | 格瑞玛股份公司 | 头枕 |
| CN110293889B (zh) * | 2018-03-21 | 2021-11-30 | 格瑞玛股份公司 | 头枕 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10348939B3 (de) | 2005-01-27 |
| JP2007508976A (ja) | 2007-04-12 |
| US20070241593A1 (en) | 2007-10-18 |
| US7520564B2 (en) | 2009-04-21 |
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