DE29911735U1 - Vehicle seat backrest with integrated protective device against accidental injuries - Google Patents

Vehicle seat backrest with integrated protective device against accidental injuries

Info

Publication number
DE29911735U1
DE29911735U1 DE29911735U DE29911735U DE29911735U1 DE 29911735 U1 DE29911735 U1 DE 29911735U1 DE 29911735 U DE29911735 U DE 29911735U DE 29911735 U DE29911735 U DE 29911735U DE 29911735 U1 DE29911735 U1 DE 29911735U1
Authority
DE
Germany
Prior art keywords
backrest
deformation
deformation elements
elements
backrest according
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.)
Expired - Lifetime
Application number
DE29911735U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Controls GmbH
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
Priority to DE29911735U priority Critical patent/DE29911735U1/en
Priority to DE10029221A priority patent/DE10029221A1/en
Publication of DE29911735U1 publication Critical patent/DE29911735U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427—Seats or parts thereof displaced during a crash
    • B60N2/42709—Seats or parts thereof displaced during a crash involving residual deformation or fracture of the structure
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/4207—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
    • B60N2/4214—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces longitudinal
    • B60N2/4228—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces longitudinal due to impact coming from the rear
    • 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
    • B60N2/68—Seat frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (13)

1. Rückenlehne (4) für einen Fahrzeugsitz mit einer inte­ grierten Schutzeinrichtung (6) gegen unfallbedingte Verletzungen, insbesondere gegen Halswirbelsyndrom bzw. Schleudertrauma im Falle eines Heckaufpralls, wobei die Schutzeinrichtung (6) derart plastisch deformierbar ist, daß eine Person bezüglich ihrer Relativbewegung in die Lehne (4) hinein unter Energie­ absorption abgebremst wird, dadurch gekenzeichnet, daß die Schutzeinrichtung (6) aus mehreren einzelnen Verfor­ mungselementen (10) besteht, die integriert zwischen einem starren, tragenden Lehnenrahmen (12) und einer personenseitigen Polsterung (14) derart über die Lehnenfläche verteilt angeordnet sowie bezüglich ihrer plastischen Verformungseigenschaften derart aus­ gelegt sind, daß die jeweilige Person bei einem Nieder­ geschwindigkeitsaufprall im Bereich von 10 bis 30 km/h sich im wesentlichen insgesamt gleichmäßig unter abbremsender Energieabsorption in die Lehne hinein­ bewegt. 1. Backrest ( 4 ) for a vehicle seat with an integrated protective device ( 6 ) against accidental injuries, in particular against cervical spine syndrome or whiplash in the event of a rear-end collision, the protective device ( 6 ) being plastically deformable in such a way that a person can move relative to it the backrest ( 4 ) is braked into under energy absorption, characterized in that the protective device ( 6 ) consists of several individual deformation elements ( 10 ) which are integrated between a rigid, load-bearing backrest frame ( 12 ) and an upholstery ( 14 ) on the person side Arranged distributed over the backrest surface and laid out in terms of their plastic deformation properties in such a way that the respective person moves at a low speed impact in the range of 10 to 30 km / h essentially evenly overall with braking energy absorption into the backrest. 2. Rückenlehne nach Anspruch 1, dadurch gekenzeichnet, daß die Verformungselemente (10) in Anpassung an die mensch­ liche Anatomie und Verletzungsmechanik mit unter­ schiedlichen Verformungseigenschaften ausgebildet sind.2. Backrest according to claim 1, characterized in that the deformation elements ( 10 ) are designed in adaptation to the human anatomy and injury mechanics with under different deformation properties. 3. Rückenlehne nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß jedes Verformungselement (10) eine nicht-lineare, ins­ besondere progressive Kraft-/Wegkennlinie aufweist.3. Backrest according to claim 1 or 2, characterized in that each deformation element ( 10 ) has a non-linear, in particular progressive force / displacement characteristic. 4. Rückenlehne nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Verformungselemente (10) derart zwischen dem Lehnen­ rahmen (12) und einer unterhalb der Polsterung (14) integrierten Unterfederung (18) angeordnet und/oder derart selbst in sich unterhalb einer bestimmten, den Beginn der plastischen Verformung definierenden Kraft federelastisch verformbar sind, daß Stöße unterhalb der Geschwindigkeit von etwa 10 km/h elastisch abge­ federt werden.4. Backrest according to one of claims 1 to 3, characterized in that the deformation elements ( 10 ) between the backrest frame ( 12 ) and a below the padding ( 14 ) integrated spring base ( 18 ) arranged and / or such itself in itself below a certain, the beginning of the plastic deformation defining force are resiliently deformable that shocks below the speed of about 10 km / h are elastically cushioned. 5. Rückenlehne nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Verformungselemente (10) bezüglich ihrer jeweils maximal möglichen plastischen Verformung derart aus­ gelegt sind, daß bei einem Aufprall ab einer Geschwin­ digkeit von etwa 30 km/h bei allen Verformungselemen­ ten (10) im wesentlichen gleichzeitig die maximale plastische Verformung erreicht ist, so daß bei Auf­ prall mit höheren Geschwindigkeiten der Stoß von dem starren Rückenlehnenrahmen (12) abgefangen wird. 5. Backrest according to one of claims 1 to 4, characterized in that the deformation elements ( 10 ) are laid out with respect to their maximum possible plastic deformation so that in an impact from a speed of about 30 km / h at all Verformungselemen ten ( 10 ) the maximum plastic deformation is substantially reached at the same time, so that the impact of the rigid backrest frame ( 12 ) is intercepted in the event of impact at higher speeds. 6. Rückenlehne nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß wenigstens eines der Verformungselemente (10) als Schichtkörper aus mindestens einer materialspezifisch elastischen Schicht (24) und mindestens einer mate­ rialspezifisch plastisch verformbaren Schicht (26) ausgebildet ist.6. Backrest according to one of claims 1 to 5, characterized in that at least one of the deformation elements ( 10 ) is formed as a laminated body from at least one material-specific elastic layer ( 24 ) and at least one material-specific plastically deformable layer ( 26 ). 7. Rückenlehne nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß wenigstens eines der Verformungselemente (10) als insbesondere mäanderförmiges Bandstahlelement (20) ausgebildet ist, das vorzugsweise mit Pufferelementen (22) kombiniert ist.7. Backrest according to one of claims 1 to 6, characterized in that at least one of the deformation elements ( 10 ) is designed as a meandering steel strip element ( 20 ) in particular, which is preferably combined with buffer elements ( 22 ). 8. Rückenlehne nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß wenigstens eines der Verformungselemente (10) derart in der Rückenlehne (4) angeordnet ist, daß bei einem Aufprall eine Kraft direkt in Druckrichtung auf das jeweilige Verformungselement (20) wirkt.8. Backrest according to one of claims 1 to 7, characterized in that at least one of the deformation elements ( 10 ) is arranged in the backrest ( 4 ) such that a force acts directly in the pressure direction on the respective deformation element ( 20 ) in the event of an impact. 9. Rückenlehne nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß jeweils mindestens zwei Verformungselemente (10) ein­ ander paarweise in den Lehnenseitenbereichen gegen­ überliegend angeordnet und derart über ein sich quer durch die Rückenlehne (4) erstreckendes Zugelement (30) verbunden sind, daß bei einem Aufprall eine Kraft zunächst auf das Zugelement (30) und dann in Zugrich­ tung auf die beiden Verformungselemente (10) wirkt. 9. Backrest according to one of claims 1 to 8, characterized in that in each case at least two deformation elements ( 10 ) are arranged in pairs opposite one another in the backrest side regions and are connected in this way via a tension element ( 30 ) extending transversely through the backrest ( 4 ) that in the event of an impact, a force acts first on the tension element ( 30 ) and then in the direction of the tension on the two deformation elements ( 10 ). 10. Rückenlehne nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Verformungselemente (10) zwischen dem Lehnenrahmen (12) und einem gemeinsamen Hilfsrahmen (28) angeordnet sind.10. Backrest according to one of claims 1 to 9, characterized in that the deformation elements ( 10 ) between the backrest frame ( 12 ) and a common subframe ( 28 ) are arranged. 11. Rückenlehne nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Verformungselemente (10) auswechselbar in der Rücken­ lehne (4) gehaltert sind.11. Backrest according to one of claims 1 to 10, characterized in that the deformation elements ( 10 ) are interchangeably held in the backrest ( 4 ). 12. Rückenlehne nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die plastische Deformierung der Verformungselemente (10) durch Sperrmittel blockiert ist, wobei die Sperrmittel von einer Sensorik im Crashfall zur Aufhebung der Blockierung und Freigabe der Deformierung angesteuert werden.12. Backrest according to one of claims 1 to 11, characterized in that the plastic deformation of the deformation elements ( 10 ) is blocked by locking means, the locking means being controlled by a sensor system in the event of a crash to remove the blocking and release the deformation. 13. Rückenlehne nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Verformungselemente (10) als integrale Bestandteile oder einstückige Materialzonen von Polster- oder Überzugsmaterialien der Lehne gebildet sind.13. Backrest according to one of claims 1 to 12, characterized in that the deformation elements ( 10 ) are formed as integral components or integral material zones of upholstery or covering materials of the backrest.
DE29911735U 1999-07-06 1999-07-06 Vehicle seat backrest with integrated protective device against accidental injuries Expired - Lifetime DE29911735U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE29911735U DE29911735U1 (en) 1999-07-06 1999-07-06 Vehicle seat backrest with integrated protective device against accidental injuries
DE10029221A DE10029221A1 (en) 1999-07-06 2000-06-14 Back for vehicle seat, having protection arrangement with several individual, elastic deformation elements integrated between rigid carrying frame and upholstery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29911735U DE29911735U1 (en) 1999-07-06 1999-07-06 Vehicle seat backrest with integrated protective device against accidental injuries

Publications (1)

Publication Number Publication Date
DE29911735U1 true DE29911735U1 (en) 2000-11-16

Family

ID=8075733

Family Applications (2)

Application Number Title Priority Date Filing Date
DE29911735U Expired - Lifetime DE29911735U1 (en) 1999-07-06 1999-07-06 Vehicle seat backrest with integrated protective device against accidental injuries
DE10029221A Ceased DE10029221A1 (en) 1999-07-06 2000-06-14 Back for vehicle seat, having protection arrangement with several individual, elastic deformation elements integrated between rigid carrying frame and upholstery

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE10029221A Ceased DE10029221A1 (en) 1999-07-06 2000-06-14 Back for vehicle seat, having protection arrangement with several individual, elastic deformation elements integrated between rigid carrying frame and upholstery

Country Status (1)

Country Link
DE (2) DE29911735U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2932431A1 (en) * 2008-06-12 2009-12-18 Cera Reinforcement for folding backrest of i.e. 1/3 to 2/3 split folding rear seat, of motor vehicle, has lattices of metallic wires with fine drawn wire of diameter less than or equal to specific millimeters and with energy absorption set

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003180481A (en) 2001-12-20 2003-07-02 Delta Tooling Co Ltd Seat
DE10233850A1 (en) * 2002-07-22 2004-02-05 Volkswagen Ag Car seat has multi-component system which is deformed to absorb force on back rest and comprises impact plate or airbag mounted between two deformable plates
HRPK20030597B3 (en) * 2003-07-23 2007-10-31 Paulana D.O.O. Automotive seat with integrated three-point safety belt metal foam design
DE102007003160B4 (en) * 2007-01-22 2008-10-16 Faurecia Autositze Gmbh spring element
DE102009031328A1 (en) 2009-07-01 2011-01-05 Daimler Ag Arrangement for retaining elements of cushion of seat of passenger car, has retaining elements movably held at components of vehicle seat by clip connection, and corresponding cushion part fastened to retaining elements
DE102013012247A1 (en) * 2013-07-24 2015-01-29 Volkswagen Aktiengesellschaft Energy absorption on / in the seat structure of a backrest part of a vehicle seat
DE102013216163A1 (en) * 2013-08-14 2015-02-19 Bayerische Motoren Werke Aktiengesellschaft Assembly for a vehicle, in particular a motor vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2932431A1 (en) * 2008-06-12 2009-12-18 Cera Reinforcement for folding backrest of i.e. 1/3 to 2/3 split folding rear seat, of motor vehicle, has lattices of metallic wires with fine drawn wire of diameter less than or equal to specific millimeters and with energy absorption set

Also Published As

Publication number Publication date
DE10029221A1 (en) 2001-01-18

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20001221

R150 Term of protection extended to 6 years

Effective date: 20021015

R157 Lapse of ip right after 6 years

Effective date: 20060201