EP2493720A1 - Vehicle seat - Google Patents

Vehicle seat

Info

Publication number
EP2493720A1
EP2493720A1 EP10776617A EP10776617A EP2493720A1 EP 2493720 A1 EP2493720 A1 EP 2493720A1 EP 10776617 A EP10776617 A EP 10776617A EP 10776617 A EP10776617 A EP 10776617A EP 2493720 A1 EP2493720 A1 EP 2493720A1
Authority
EP
European Patent Office
Prior art keywords
cushion
seat
vehicle seat
back cushion
head
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.)
Withdrawn
Application number
EP10776617A
Other languages
German (de)
French (fr)
Inventor
Ludger Alofs
Markus Stepke
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.)
Siemens AG
Original Assignee
Siemens AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43528429&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2493720(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP2493720A1 publication Critical patent/EP2493720A1/en
Withdrawn legal-status Critical Current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
    • B60N2/02—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
    • B60N2/2209—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 longitudinal displacement of the cushion, e.g. back-rest hinged on the bottom to the cushion and linked on the top to the vehicle frame
    • 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
    • B60N2/2222—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 the back-rest having two or more parts

Definitions

  • the invention relates to a vehicle seat which is adjustable between a sitting position and a reclining position and having a seat cushion, a back cushion and a head cushion, wherein the seat cushion between the sitting position and the reclining position for changing the relative angle between the seat cushion and back cushion is horizontally movable.
  • the required space for a single vehicle seat also determines the total seating capacity for ⁇ example, a rail vehicle, but also all other vehicle public transport.
  • the present invention seeks to further develop the aforementioned passenger seat so that it requires less space in the lying position.
  • This object is achieved in the above-mentioned passenger seat in that the back pad is variable in its contour and a lower portion of the back pad follows a movement of the seat cushion, while an upper portion of the back pad is decoupled from a horizontal movement of the seat cushion.
  • This procedure has the advantage that the relative distance of the head cushion between two arranged in series Fahr- sitting seats remains constant in both seating positions, so that the vehicle seat requires less overall space. This means that more seats ⁇ can be provided for an existing vehicle size, with a comparable seating comfort for a passenger can be achieved.
  • the sitting comfort in the lying position results from the deformability of the back cushion, which runs obliquely in this position between the rear edge of the seat cushion and the lower edge of the head cushion and so about the lumbar region of a vehicle occupant seat occupying the vehicle.
  • the back cushion can be stored such that changes in the transition between sitting and lying position of the relative distance between the lower edge of the back cushion and the rear edge of the seat ⁇ pad. In this way, the fact is taken into account that extends the back cushion between the head cushion and seat cushion in the sitting position over a shorter distance than in the lying position.
  • the back cushion is mounted such that there is a gap between the lower edge of the head pad and the upper edge of the back pad in the lying position.
  • Another possibility is to make the back cushion stretchable, so that there are no gaps between the back cushion and the adjacent pads, namely the seat cushion and the head pad.
  • the head pad is preferably attached stationary. In this case, there is no difference in the space for the vehicle seat in lying and sitting position in the head cushion.
  • the headrest can be moved horizontally within narrow limits, in order to further improve the seating comfort if necessary.
  • the only peo ⁇ ge figure shows a schematic side view of a driving ⁇ imaging seat.
  • a vehicle seat 1 can be connected in a conventional manner via a substructure 2 to a vehicle floor.
  • the vehicle seat 1 has a seat cushion 3, which is horizontally adjustable between a lying position and a sitting position.
  • a rear edge of the seat cushion 3 is connected to a lower
  • an upper edge of the back cushion 4 is decoupled in its movement from ⁇ the movement of the seat cushion 3. Since the back cushion 4 is formed deformable in its contour, causes an adjustment of the vehicle seat 1 from the sitting position in the reclining position that the back pad 4, changed its contour, so that there is a change in the contact surface for the lumbar region of a passenger.
  • a head cushion 5 of the vehicle seat 1, which also extends down to a shoulder region of a passenger in the illustrated embodiment, is fixedly attached to ⁇ , namely to a back structure 6 which in turn is rigidly connected in a suitable manner to the base 2 of the vehicle seat 1.
  • the upper region of the back pad 4 is also attached to the back structure 6, so that it remains stationary with horizontal movement of the seat cushion 3.
  • the back cushion 4 can also be designed to be stretchable or overlapping.

Landscapes

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

Abstract

The invention relates to a vehicle seat (1) which can be moved between a sitting position and a reclining position and which has a seat cushion (3), a back cushion (4), and a head cushion (5). The seat cushion (3) moves horizontally between the sitting position and the reclining position, and the relative angle between the seat cushion and the back cushion is increased, wherein the contour of the back cushion (4) can be changed and a lower edge of the back cushion (4) follows a movement of the seat cushion (3), whereas an upper edge of the back cushion (4) is decoupled from a horizontal movement of the seat cushion (3).

Description

Beschreibung description
Fahrzeugsitz vehicle seat
Die Erfindung bezieht sich auf einen Fahrzeugsitz, der zwischen einer Sitzstellung und einer Liegestellung verstellbar ist und ein Sitzpolster, ein Rückenpolster und ein Kopfpolster aufweist, wobei das Sitzpolster zwischen der Sitzstellung und der Liegestellung zur Veränderung des Relativwinkels zwischen Sitzpolster und Rückenpolster horizontal verfahrbar ist . The invention relates to a vehicle seat which is adjustable between a sitting position and a reclining position and having a seat cushion, a back cushion and a head cushion, wherein the seat cushion between the sitting position and the reclining position for changing the relative angle between the seat cushion and back cushion is horizontally movable.
Bei einem solchen Fahrzeugsitz bewirkt die horizontale Ver- Stellung des Sitzpolsters aus der Sitzstellung in die Liege¬ stellung, dass die starre Einheit aus Kopfpolster und Rückenpolster insgesamt verkippt wird. Dies hat zur Folge, dass der bekannte Fahrzeugsitz für die Liegestellung erheblichen Bauraum benötigt. In such a vehicle seat, the horizontal comparison effected position of the seat cushion from the sitting position into the reclining position ¬ that the rigid unit is tilted from head cushion and backrest as a whole. This has the consequence that the known vehicle seat for the reclining space requires considerable space.
Der erforderliche Bauraum für einen einzelnen Fahrzeugsitz bestimmt darüber hinaus die Sitzkapazität insgesamt für bei¬ spielsweise ein Schienenfahrzeug, aber auch sämtliche anderen Fahrzeug öffentlichen Verkehrs. The required space for a single vehicle seat also determines the total seating capacity for ¬ example, a rail vehicle, but also all other vehicle public transport.
Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde, den eingangs genannten Fahrgastsitz derart weiter zu entwickeln, dass er in der Liegestellung weniger Bauraum benötigt. Diese Aufgabe wird bei dem oben angegebenen Fahrgastsitz dadurch gelöst, dass das Rückenpolster in seiner Kontur veränderbar ist und ein unterer Bereich des Rückenpolsters einer Bewegung des Sitzpolsters folgt, während ein oberer Bereich des Rückenpolsters von einer horizontalen Bewegung des Sitz- polsters entkoppelt ist. Proceeding from this, the present invention seeks to further develop the aforementioned passenger seat so that it requires less space in the lying position. This object is achieved in the above-mentioned passenger seat in that the back pad is variable in its contour and a lower portion of the back pad follows a movement of the seat cushion, while an upper portion of the back pad is decoupled from a horizontal movement of the seat cushion.
Diese Vorgehensweise hat den Vorteil, dass der Relativabstand des Kopfpolsters zwischen zwei in Reihe angeordneten Fahr- gastsitzen in beiden Sitzpositionen konstant bleibt, so dass der Fahrzeugsitz insgesamt weniger Bauraum erfordert. Dies führt dazu, dass für eine bestehende Fahrzeuggröße mehr Sitz¬ plätze vorgesehen werden können, wobei ein vergleichbarer Sitzkomfort für einen Fahrgast erzielbar ist. Der Sitzkomfort in der Liegestellung ergibt sich dabei durch die Verformbarkeit des Rückenpolsters, welches in dieser Stellung zwischen dem hinteren Rand des Sitzpolsters und dem unteren Rand des Kopfpolsters schräg verläuft und so etwa den Lendenwirbelbe- reich eines den Fahrzeugsitz einnehmenden Fahrgastes abstützt . This procedure has the advantage that the relative distance of the head cushion between two arranged in series Fahr- sitting seats remains constant in both seating positions, so that the vehicle seat requires less overall space. This means that more seats ¬ can be provided for an existing vehicle size, with a comparable seating comfort for a passenger can be achieved. The sitting comfort in the lying position results from the deformability of the back cushion, which runs obliquely in this position between the rear edge of the seat cushion and the lower edge of the head cushion and so about the lumbar region of a vehicle occupant seat occupying the vehicle.
Das Rückenpolster kann derart gelagert sein, dass sich beim Übergang zwischen Sitz- und Liegestellung der Relativabstand zwischen der unteren Kante des Rückenpolsters und der hinte¬ ren Kante des Sitzpolsters verändert. Auf diese Weise wird der Tatsache Rechnung getragen, dass sich das Rückenpolster zwischen Kopfpolster und Sitzpolster in der Sitzstellung über eine geringere Wegstrecke erstreckt als in der Liegestellung. The back cushion can be stored such that changes in the transition between sitting and lying position of the relative distance between the lower edge of the back cushion and the rear edge of the seat ¬ pad. In this way, the fact is taken into account that extends the back cushion between the head cushion and seat cushion in the sitting position over a shorter distance than in the lying position.
Alternativ ist es auch möglich, dass das Rückenpolster derart gelagert ist, dass sich in der Liegestellung ein Spalt zwischen der unteren Kante des Kopfpolsters und der oberen Kante des Rückenpolsters ergibt. Eine weitere Möglichkeit besteht darin, das Rückenpolster dehnbar auszuführen, so dass sich keine Spalte zwischen dem Rückenpolster und den angrenzenden Polstern, nämlich dem Sitzpolster und dem Kopfpolster, ergeben . Das Kopfpolster ist bevorzugt ortsfest angebracht. In diesem Fall ergibt sich keinerlei Unterschied im Bauraum für den Fahrzeugsitz in Liege- und in Sitzstellung im Bereich des Kopfpolsters . Alternativ dazu kann auch das Kopfpolster in engen Grenzen horizontal beweglich sein, um ggf. den Sitzkom- fort weiter zu verbessern. Bei der ortsfesten Variante der Befestigung des Kopfpolsters ist es vorteilhaft, wenn es an einer ortsfesten Rückenstruktur des Fahrzeugsitzes befestigt ist. Ein Ausführungsbeispiel der Erfindung wird nachfolgend unter Bezugnahme auf die Zeichnung noch näher erläutert. Die einzi¬ ge Figur zeigt eine schematische Seitenansicht eines Fahr¬ zeugsitzes . Ein Fahrzeugsitz 1 ist in herkömmlicher Weise über einen Unterbau 2 mit einem Fahrzeugboden verbindbar. Der Fahrzeugsitz 1 weist ein Sitzpolster 3 auf, welches zwischen einer Liegstellung und einer Sitzstellung horizontal verstellbar ist. Ein hinterer Rand des Sitzpolsters 3 ist mit einem unterenAlternatively, it is also possible that the back cushion is mounted such that there is a gap between the lower edge of the head pad and the upper edge of the back pad in the lying position. Another possibility is to make the back cushion stretchable, so that there are no gaps between the back cushion and the adjacent pads, namely the seat cushion and the head pad. The head pad is preferably attached stationary. In this case, there is no difference in the space for the vehicle seat in lying and sitting position in the head cushion. Alternatively, the headrest can be moved horizontally within narrow limits, in order to further improve the seating comfort if necessary. In the stationary variant of the attachment of the head pad, it is advantageous if it is attached to a stationary back structure of the vehicle seat. An embodiment of the invention will be explained in more detail with reference to the drawings. The only peo ¬ ge figure shows a schematic side view of a driving ¬ imaging seat. A vehicle seat 1 can be connected in a conventional manner via a substructure 2 to a vehicle floor. The vehicle seat 1 has a seat cushion 3, which is horizontally adjustable between a lying position and a sitting position. A rear edge of the seat cushion 3 is connected to a lower
Rand eines Rückenpolsters 4 derart verbunden, dass der unte¬ ren Rand des Rückenpolsters 4 einer horizontalen Bewegung des Sitzpolsters 3 zwischen der Liegestellung und der Sitzstellung folgt. Edge of a back cushion 4 connected such that the unte ¬ ren edge of the back pad 4 a horizontal movement of the seat cushion 3 between the lying position and the sitting position follows.
Demgegenüber ist ein oberer Rand des Rückenpolsters 4 in sei¬ ner Bewegung von der Bewegung des Sitzpolsters 3 entkoppelt. Da das Rückenpolster 4 in seiner Kontur verformbar ausgebildet ist, bewirkt eine Verstellung des Fahrzeugsitzes 1 aus der Sitzstellung in die Liegestellung, dass das Rückenpolster 4, seine Kontur verändert, so dass sich eine Veränderung der Anlagefläche für den Lendenwirbelbereich eines Fahrgastes ergibt. Ein Kopfpolster 5 des Fahrzeugsitzes 1, das sich im dargestellten Ausführungsbeispiel auch hinunter bis zu einem Schulterbereich eines Fahrgastes erstreckt, ist ortsfest an¬ gebracht, und zwar an einer Rückenstruktur 6 welche wiederum in geeigneter Weise mit dem Unterbau 2 des Fahrzeugsitzes 1 starr verbunden ist. Der obere Bereich des Rückenpolsters 4 ist ebenfalls an der Rückenstruktur 6 befestigt, so dass er bei horizontaler Bewegung des Sitzpolsters 3 ortsfest bleibt. In contrast, an upper edge of the back cushion 4 is decoupled in its movement from ¬ the movement of the seat cushion 3. Since the back cushion 4 is formed deformable in its contour, causes an adjustment of the vehicle seat 1 from the sitting position in the reclining position that the back pad 4, changed its contour, so that there is a change in the contact surface for the lumbar region of a passenger. A head cushion 5 of the vehicle seat 1, which also extends down to a shoulder region of a passenger in the illustrated embodiment, is fixedly attached to ¬ , namely to a back structure 6 which in turn is rigidly connected in a suitable manner to the base 2 of the vehicle seat 1. The upper region of the back pad 4 is also attached to the back structure 6, so that it remains stationary with horizontal movement of the seat cushion 3.
In der Sitzstellung des Fahrzeugsitzes 1 (die Sitzstellung ist in der Figur mit durchgezogener Linie, die Liegstellung mit gestrichelter Linie dargestellt) , weist das Rückenpols¬ ter 4 in der Kniehöhe eine verminderte Dicke auf. Dies hat zur Folge, dass bei vergleichbaren Sitzteilern herkömlicher Sitze ein hinter dem Fahrgastsitz 1 sitzender Fahrgast in seinem Kniebereich eine erhöhte Bewegungsfreiheit vorfindet. In the sitting position of the vehicle seat 1 (the sitting position is in the figure with a solid line, the Liegstellung shown with a dashed line), the Rückenpols ¬ ter 4 in the knee height to a reduced thickness. This has the consequence that in comparable seat dividers conventional seats a seated behind the passenger seat 1 passenger finds in his knee area increased freedom of movement.
Bei der Änderung der Kontur des Rückenpolsters 4 zwischen Sitzstellung und Liegestellung des Fahrzeugsitzes 1 ergibt sich eine unterschiedliche Wegstrecke zwischen dem unteren Rand des Kopfpolsters 5 und dem hinteren Rand des Sitzpols¬ ters 3. Dem kann dadurch Rechnung getragen werden, dass man entweder zwischen dem unteren Rand des Kopfpolsters 5 und dem oberen Rand des Rückenpolsters 4 oder dem unteren Rand des Rückenpolsters 4 und dem hinteren Rand des Sitzpolsters 3 ei¬ nen Spalt zulässt, wenn die Liegestellung eingenommen ist. Alternativ dazu kann das Rückenpolster 4 auch dehnbar oder überlappend ausgeführt sein. When changing the contour of the back pad 4 between sitting position and lying position of the vehicle seat 1 results in a different distance between the lower edge of the head pad 5 and the rear edge of the Sitzpols ¬ ters 3. This can be taken into account that you can either between the lower Edge of the head pad 5 and the upper edge of the back pad 4 or the lower edge of the back pad 4 and the rear edge of the seat cushion 3 ei ¬ nen allows gap when the lying position is taken. Alternatively, the back cushion 4 can also be designed to be stretchable or overlapping.

Claims

Patentansprüche claims
Fahrzeugsitz (1), der zwischen einer Sitzstellung und einer Liegestellung verstellbar ist und ein Sitzpolster (3), ein Rückenpolster (4) und ein Kopfpolster (5) aufweist, wobei das Sitzpolster (3) zwischen der Sitzstel¬ lung und der Liegestellung zur Veränderung des Relativwinkels zwischen Sitzpolster und Rückenpolster horizontal verfahrbar ist, Vehicle seat (1) which is adjustable between a sitting position and a reclining position and a seat cushion (3), a back cushion (4) and a head cushion (5), wherein the seat cushion (3) between the Sitzstel ¬ ment and the recumbent to change the relative angle between the seat cushion and the back cushion can be moved horizontally,
dadurch gekennzeichnet, dass  characterized in that
das Rückenpolster (4) in seiner Kontur veränderbar ist und ein unterer Bereich des Rückenpolsters (4) einer Bewegung des Sitzpolsters (3) folgt, während ein oberer Bereich des Rückenpolsters (4) von einer horizontalen Bewegung des Sitzpolsters (3) entkoppelt ist.  the back cushion (4) is variable in its contour and a lower portion of the back cushion (4) follows a movement of the seat cushion (3), while an upper portion of the back cushion (4) is decoupled from a horizontal movement of the seat cushion (3).
Fahrzeugsitz (1) nach Anspruch 1, Vehicle seat (1) according to claim 1,
dadurch gekennzeichnet, dass  characterized in that
das Rückenpolster (4) derart gelagert ist, dass sich beim Übergang zwischen Sitz- und Liegestellung der Relativabstand zwischen der unteren Kante des Rückenpols ters (4) und der hinteren Kante des Sitzpolsters (3) verändert .  the back cushion (4) is mounted such that changes in the transition between sitting and lying position of the relative distance between the lower edge of the Rückenpols ters (4) and the rear edge of the seat cushion (3).
3. Fahrzeugsitz (1) nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass 3. Vehicle seat (1) according to one of claims 1 or 2, characterized in that
das Rückenpolster (4) derart gelagert ist, dass sich in der Liegestellung ein Spalt zwischen der unteren Kante des Kopfpolsters (5) und der oberen Kante des Rücken- polsters (4) ergibt.  the back cushion (4) is mounted such that, in the lying position, a gap results between the lower edge of the head cushion (5) and the upper edge of the back cushion (4).
4. Fahrzeugsitz (1) nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass 4. Vehicle seat (1) according to one of claims 1 or 2, characterized in that
das Rückenpolster (4) dehnbar ausgebildet ist.  the back cushion (4) is designed to be stretchable.
5. Fahrzeugsitz (1) nach einem der Ansprüche 1 bis 4, 5. Vehicle seat (1) according to one of claims 1 to 4,
dadurch gekennzeichnet, dass  characterized in that
das Kopfpolster (5) ortsfest angebracht ist. Fahrzeugsitz (1) nach Anspruch 5, the head cushion (5) is fixed in place. Vehicle seat (1) according to claim 5,
dadurch gekennzeichnet, dass characterized in that
das Kopfpolster (5) an einer ortsfesten Rückenstruktur des Fahrzeugsitzes (1) befestigt ist. the head pad (5) is attached to a stationary back structure of the vehicle seat (1).
EP10776617A 2009-10-27 2010-10-22 Vehicle seat Withdrawn EP2493720A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009050903.8A DE102009050903B4 (en) 2009-10-27 2009-10-27 vehicle seat
PCT/EP2010/065989 WO2011051188A1 (en) 2009-10-27 2010-10-22 Vehicle seat

Publications (1)

Publication Number Publication Date
EP2493720A1 true EP2493720A1 (en) 2012-09-05

Family

ID=43528429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10776617A Withdrawn EP2493720A1 (en) 2009-10-27 2010-10-22 Vehicle seat

Country Status (6)

Country Link
US (1) US20120228912A1 (en)
EP (1) EP2493720A1 (en)
CN (1) CN202656885U (en)
DE (1) DE102009050903B4 (en)
RU (1) RU130264U1 (en)
WO (1) WO2011051188A1 (en)

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Also Published As

Publication number Publication date
CN202656885U (en) 2013-01-09
DE102009050903A1 (en) 2011-04-28
DE102009050903B4 (en) 2014-02-13
US20120228912A1 (en) 2012-09-13
RU130264U1 (en) 2013-07-20
WO2011051188A1 (en) 2011-05-05

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