FR2875190A1 - Headrest for motor vehicle seat, has wing with support side opposite to opposite side of cushion when in inactive position in which rotation axis is disposed in lateral part of headrest by forming preset angle with support side of cushion - Google Patents
Headrest for motor vehicle seat, has wing with support side opposite to opposite side of cushion when in inactive position in which rotation axis is disposed in lateral part of headrest by forming preset angle with support side of cushion Download PDFInfo
- Publication number
- FR2875190A1 FR2875190A1 FR0409699A FR0409699A FR2875190A1 FR 2875190 A1 FR2875190 A1 FR 2875190A1 FR 0409699 A FR0409699 A FR 0409699A FR 0409699 A FR0409699 A FR 0409699A FR 2875190 A1 FR2875190 A1 FR 2875190A1
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- FR
- France
- Prior art keywords
- cushion
- wing
- headrest
- opposite
- rotation
- 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
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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
- B60N2/885—Head-rests provided with side-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
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2002/0204—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable characterised by the seat or seat part turning about or moving along a non-standard, particular axis, i.e. an axis different from the axis characterising the conventional movement
- B60N2002/0208—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable characterised by the seat or seat part turning about or moving along a non-standard, particular axis, i.e. an axis different from the axis characterising the conventional movement the seat or seat part turning about or moving along an inclined axis
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
Description
L'invention concerne un appui-tête pour véhicule automobile.The invention relates to a headrest for a motor vehicle.
Plus particulièrement, l'appui-tête selon l'invention comprend une aile escamotable destinée à permettre un appui latéral de la tête du passager. More particularly, the headrest according to the invention comprises a retractable wing intended to allow lateral support of the passenger's head.
Il est connu de réaliser des appuis-tête comprenant un appui latéral escamotable, permettant de conférer un confort accru des passagers, notamment en vue de faciliter leur sommeil. It is known to make headrests comprising a retractable lateral support, to confer increased comfort of passengers, especially to facilitate their sleep.
io L'intégration de tels appuis latéraux dans les appuis-tête est généralement complexe et peu esthétique. The integration of such lateral supports in the headrests is generally complex and unattractive.
L'invention a pour but de proposer un appui-tête pourvu d'un appui latéral escamotable de réalisation facilitée, d'ergonomie optimisée et d'esthétique 15 avantageuse. The object of the invention is to propose a headrest provided with a retractable lateral support of facilitated construction, optimized ergonomics and advantageous aesthetics.
A cet effet, l'invention propose un appui-tête de siège de véhicule automobile comprenant un coussin solidaire d'une armature de montage et une aile mobile en rotation, par rapport au coussin, autour d'un axe entre une position inactive de rangement et une position active d'utilisation, le coussin et l'aile comprenant chacun une face d'appui et une face opposée, la face d'appui de l'aile étant, en position inactive, sensiblement en regard de la face opposée du coussin, dans lequel l'axe de rotation de l'aile est disposé en partie latérale de l'appui-tête en formant un angle de sensiblement 45 avec la surface d'appui du coussin de sorte que l'aile en position active fasse saillie horizontalement vers l'avant du coussin avec sa face d'appui sensiblement perpendiculaire à celle du coussin. For this purpose, the invention provides a motor vehicle seat headrest comprising a cushion integral with a mounting frame and a movable wing in rotation, relative to the cushion, about an axis between an inactive storage position. and an active position of use, the cushion and the wing each comprising a bearing face and an opposite face, the bearing face of the wing being, in the inactive position, substantially facing the opposite face of the cushion , wherein the axis of rotation of the wing is disposed at the lateral portion of the headrest at an angle of substantially 45 with the bearing surface of the cushion so that the wing in the active position protrudes horizontally towards the front of the cushion with its bearing surface substantially perpendicular to that of the cushion.
Dans ce descriptif, les termes de repérage dans l'espace (horizontal, latéral, supérieur,...) sont pris en référence au passager et à l'appuitête dans sa 30 position d'utilisation. In this description, the terms of location in the space (horizontal, lateral, upper, ...) are taken with reference to the passenger and the headpiece in its position of use.
L'appui-tête selon l'invention est de conception particulièrement simple puisqu'il ne met en oeuvre que deux éléments en mouvement relatif, le coussin et l'aile, et ceci selon une rotation autour d'un axe unique. The headrest according to the invention is particularly simple design since it implements only two elements in relative movement, the cushion and the wing, and this in a rotation about a single axis.
s Cette cinématique se traduit par une grande simplicité d'utilisation pour le passager. This kinematics translates into a great simplicity of use for the passenger.
En position inactive, l'aile est escamotée de sorte qu'elle soit disposée en regard, notamment contre, la face opposée du coussin, ce qui permet à l'appui- tête de présenter une esthétique optimale, le coussin et l'aile s'inscrivant aisément dans un volume simple. In the inactive position, the wing is retracted so that it is arranged facing, in particular against, the opposite face of the cushion, which allows the headrest to present an optimal aesthetic, the cushion and the wing s easily registering in a single volume.
En outre, la face d'appui de l'aile étant occultée en position inactive, elle se trouve protégée des dégradations éventuelles. In addition, the support face of the wing being hidden in the inactive position, it is protected from any damage.
Selon une réalisation, en position inactive, les faces d'appui et opposées du coussin et de l'aile sont sensiblement parallèles entre elles. According to one embodiment, in the inactive position, the bearing and opposite faces of the cushion and the wing are substantially parallel to each other.
L'axe de rotation peut être sensiblement compris dans le plan horizontal médian du coussin, c'est à dire que ledit axe passe sensiblement au milieu des parties latérales respectives du coussin et de l'aile. L'aile dans sa position active se trouve ainsi située de niveau avec le coussin, ce qui assure une esthétique et un confort optimaux. The axis of rotation may be substantially in the median horizontal plane of the cushion, that is to say that said axis passes substantially in the middle of the respective lateral parts of the cushion and the wing. The wing in its active position is thus located level with the cushion, which ensures optimum aesthetics and comfort.
Selon un premier mode de réalisation, le coussin et l'aile comprennent chacun une palette formant insert de renfort, les deux palettes étant associées en rotation l'une à l'autre selon l'axe de rotation de sorte à permettre le passage de l'aile entre ses deux positions. According to a first embodiment, the cushion and the wing each comprise a pallet forming a reinforcing insert, the two vanes being associated in rotation with one another along the axis of rotation so as to allow the passage of the wing between its two positions.
Selon un deuxième mode de réalisation, l'aile comprend une palette formant insert de renfort, ladite palette étant associée en rotation à l'armature de montage selon l'axe de rotation de sorte à permettre le passage de l'aile entre ses deux positions. Un tel mode de réalisation permet de s'affranchir de l'utilisation d'une palette pour le coussin déjà pourvu d'un insert de renfort formé par l'armature de montage. According to a second embodiment, the wing comprises a pallet forming reinforcing insert, said pallet being associated in rotation with the mounting frame along the axis of rotation so as to allow the passage of the wing between its two positions. . Such an embodiment makes it possible to dispense with the use of a pallet for the cushion already provided with a reinforcing insert formed by the mounting armature.
D'autres particularités et avantages de l'invention apparaîtront dans la 5 description qui suit, faite en référence aux figures dans lesquelles: É la figure 1 est une représentation schématique partielle en perspective d'un appui-tête selon un premier mode de réalisation, dont l'aile est en position inactive, io É les figures 2 sont une représentation schématique en perspective d'un appui-tête, et d'une tête en appui sur celui-ci, dont l'aile est dans différentes positions entre la position inactive et la position active. Other features and advantages of the invention will become apparent from the description which follows, with reference to the figures in which: FIG. 1 is a partial schematic perspective representation of a headrest according to a first embodiment, 2 are a schematic representation in perspective of a headrest, and a head resting on it, whose wing is in different positions between the position. inactive and the active position.
En référence à la figure 1, on décrit à présent un appui-tête 1 selon un premier 15 mode de réalisation. Pour des raisons de simplification, le rembourrage de l'appui-tête, typiquement par une mousse, ainsi que son revêtement, par exemple un textile, ne sont pas représentés. With reference to FIG. 1, a headrest 1 according to a first embodiment is now described. For reasons of simplification, the padding of the headrest, typically with a foam, and its coating, for example a textile, are not shown.
L'appui-tête 1 comprend une armature de montage 2 comprenant elle même deux tiges 3 destinées par exemple à être respectivement insérées de façon coulissante dans des gaines prévues à cet effet en haut du dossier de siège correspondant, non représenté. En variante, les gaines peuvent être prévues intégrées à l'appui-tête, les tiges 3 étant reliées de manière fixe au dossier de siège. The headrest 1 comprises a mounting frame 2 which itself comprises two rods 3 intended for example to be respectively slidably inserted in ducts provided for this purpose at the top of the corresponding seat back, not shown. Alternatively, the sleeves can be provided integrated to the headrest, the rods 3 being fixedly connected to the seat back.
Les tiges 3 peuvent être reliées entre elles par une portion de tige supérieure transversale 4, partiellement visible sur la figure, de sorte à former une armature 2 sensiblement en forme de U renversé. The rods 3 may be interconnected by a transverse upper rod portion 4, partially visible in the figure, so as to form a reinforcement 2 substantially U-shaped reversed.
L'armature 2 est solidaire d'une palette 5 formant insert de renfort pour un coussin 10 de garnissage, comprenant par ailleurs un rembourrage et un revêtement non représentés, dont la face avant 6 forme appui pour la tête du passager. La palette 5 est rendue solidaire de l'armature 2 par exemple par clippage. The armature 2 is integral with a pallet 5 forming a reinforcing insert for a cushion 10 of lining, further comprising a padding and a not shown coating, the front face 6 forms a support for the head of the passenger. The pallet 5 is secured to the armature 2 for example by clipping.
Une palette 7, formant insert de renfort pour l'aile 11, est prévue solidaire en rotation de la palette 5 autour d'un axe 8 formant un angle alpha de 45 environ avec les faces d'appui 6 du coussin et 9 de l'aile. L'aile 11 comprend un rembourrage et un revêtement non représentés. Un tel angle permet, après rotation par le haut de 180 de la palette 7, de disposer cette dernière en position active sensiblement perpendiculairement à la palette 5, et donc l'aile 11 io perpendiculairement au coussin 10. A pallet 7, forming reinforcing insert for the wing 11, is provided integral in rotation with the pallet 5 about an axis 8 forming an alpha angle of approximately 45 with the bearing faces 6 of the cushion and 9 of the wing. The wing 11 comprises a padding and a coating not shown. Such an angle allows, after rotation from the top 180 of the pallet 7, to arrange the latter in the active position substantially perpendicular to the pallet 5, and thus the wing 11 perpendicular to the cushion 10.
La charnière de rotation autour de l'axe est formée par une tige d'articulation 14 traversant des orifices prévus en parties latérales 15 de la palette 5 et 16 de la palette 7, la tige 14 étant pourvue en ses extrémités de moyens de blocages tels que des rondelles permettant un contact intime entre les parties 15 et 16. The hinge of rotation about the axis is formed by a hinge rod 14 passing through orifices provided in lateral portions 15 of the pallet 5 and 16 of the pallet 7, the rod 14 being provided at its ends with locking means such as that washers allowing an intimate contact between the parts 15 and 16.
En variante non représentée, la charnière de rotation peut être prévue par un système de clipsage comprenant deux moyens d'association réciproques prévus respectivement sur les parties 15 et 16, lesdits moyens pouvant être directement issus de matière. In variant not shown, the rotation hinge may be provided by a clipping system comprising two reciprocal means of association provided respectively on the parts 15 and 16, said means being directly derived from material.
Dans le mode de réalisation représenté, en position inactive, les faces d'appui 6, 9 et opposées 12, 13 du coussin 10 et de l'aile 11 sont sensiblement parallèles entre elles. On voit sur la figure que l'aile 11 en position inactive présente sa face d'appui 9 sensiblement contre la face opposée 12 du coussin 10. Cette face d'appui 9, réalisée par exemple en textile est donc protégée des dégradations éventuelles lorsqu'elle n'est pas utilisée. La face opposée 13 de l'aile peut être formée par l'envers de la palette 7 ou par un matériau de recouvrement robuste tel qu'un skaï. In the embodiment shown, in the inactive position, the bearing faces 6, 9 and opposite 12, 13 of the cushion 10 and the flange 11 are substantially parallel to each other. It can be seen in the figure that the wing 11 in the inactive position has its bearing face 9 substantially against the opposite face 12 of the pad 10. This bearing surface 9, made for example of textile is therefore protected from any damage when it is not used. The opposite face 13 of the wing may be formed by the back of the pallet 7 or by a robust covering material such as a skai.
De la même façon, la face opposée 12 du coussin 10 peut être formée par l'envers de la palette 5 ou par un matériau de recouvrement approprié. In the same way, the opposite face 12 of the cushion 10 may be formed by the back of the pallet 5 or by a suitable covering material.
Afin de permettre la rotation, il est prévu un décrochement 17 dans l'armature 2. Ce décrochement 17 peut être évité dans certains cas, ceci en fonction de la géométrie d'ensemble. In order to allow the rotation, a recess 17 is provided in the armature 2. This recess 17 can be avoided in certain cases, this depending on the overall geometry.
On notera la simplicité de formes qui peut être conférée au coussin 10 et à l'aile 11, ce qui permet de disposer, lorsque l'aile 11 est en position inactive, d'un volume global d'appui-tête 1 s'inscrivant dans une forme géométrique simple, d'esthétique avantageuse. Note the simplicity of shapes that can be conferred on the cushion 10 and the wing 11, which allows to have, when the wing 11 is in the inactive position, a global volume of headrest 1 registering in a simple geometric form, of advantageous aesthetics.
En mode de réalisation alternatif, dans la mesure où l'armature 2 peut former insert de renfort pour le coussin 10, il peut être prévu de ne pas utiliser de palette 5, la palette 7 étant alors directement montée en rotation sur l'armature 2, une tige d'articulation 14 étant par exemple soudée en partie latérale de ladite armature. In alternative embodiment, insofar as the armature 2 can form reinforcing insert for the cushion 10, it can be provided not to use a pallet 5, the pallet 7 then being directly rotatably mounted on the frame 2 , an articulation rod 14 being for example welded in the lateral portion of said armature.
On décrit à présent, sur la base des figures 2, la cinématique de déplacement de l'aile 11 dans différentes positions entre la position inactive (figure 2a) et la position active (figure 2d), les positions intermédiaires étant représentées par les figures 2b et 2c. 2, the displacement kinematics of the wing 11 are described in different positions between the inactive position (FIG. 2a) and the active position (FIG. 2d), the intermediate positions being represented by FIGS. 2b. and 2c.
Ces figures schématisent le volume global de l'appui-tête 1, donc du coussin 10 et de l'aile 11 pourvus de leur rembourrage et revêtement éventuel. These figures schematize the overall volume of the headrest 1, so the cushion 10 and the wing 11 provided with their padding and possible coating.
Sur la figure 2a, l'aile 11 est en position inactive, disposée contre la face 25 opposée du coussin 10, la tête 18 du passager étant en appui uniquement contre le coussin 10. In FIG. 2a, the flange 11 is in the inactive position, disposed against the opposite face 25 of the cushion 10, the head 18 of the passenger bearing only against the cushion 10.
Par une traction exercée sur l'aile 11 (symbolisée par la flèche épaisse), le passager déplace cette dernière en rotation en passant par les positions 30 intermédiaires représentées sur les figures 2b et 2c. By traction exerted on the wing 11 (symbolized by the thick arrow), the passenger moves the latter in rotation through the intermediate positions shown in Figures 2b and 2c.
Sur la figure 2d, l'aile 11 est dans sa position active faisant saillie horizontalement vers l'avant du coussin, sa face d'appui 9 étant sensiblement perpendiculaire à celle 6 du coussin. Une telle position permet, outre un appui de la tête contre le coussin 10, son appui latéral contre l'aile 11. In Figure 2d, the wing 11 is in its active position protruding horizontally towards the front of the cushion, its bearing face 9 being substantially perpendicular to that 6 of the cushion. Such a position allows, besides a support of the head against the cushion 10, its lateral support against the wing 11.
Le passage d'une position à l'autre se fait selon une rotation sensiblement 5 égale à 180 . Afin de contenir cette rotation dans cette plage angulaire, il peut être prévu, au moins en position active, une butée de rotation non représentée. The transition from one position to another is in a rotation substantially equal to 180. In order to contain this rotation in this angular range, it can be provided, at least in the active position, a rotation stop not shown.
Par ailleurs, L'appui-tête 1 peut être prévu réglable en hauteur par coulissement des tiges 2 dans les gaines les recevant. De ce fait, la position en hauteur de io l'aile 11 en position active est commandée par le réglage en hauteur de l'appui-tête 1. Furthermore, the headrest 1 may be provided adjustable in height by sliding rods 2 in the sheaths receiving them. As a result, the height position of the wing 11 in the active position is controlled by the height adjustment of the headrest 1.
Le coussin 10, tout comme l'aile 11, peut être réalisé selon la technologie in situ, prévoyant de verser un mélange précurseur de mousse dans une enveloppe de revêtement, ladite enveloppe étant éventuellement pourvue d'une palette 5,7 et de l'armature 2, et disposée dans un moule. Après expansion et polymérisation de la mousse, on démoule la pièce obtenue. Le coussin 10 et l'aile 11 sont alors assemblés en rotation de sorte à former l'appui-tête 1. The cushion 10, like the wing 11, can be made according to the in situ technology, providing for pouring a foam precursor mixture into a coating envelope, said envelope optionally being provided with a pallet 5, 7 and the frame 2, and arranged in a mold. After expansion and polymerization of the foam, the part obtained is demolded. The cushion 10 and the wing 11 are then assembled in rotation so as to form the headrest 1.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0409699A FR2875190A1 (en) | 2004-09-13 | 2004-09-13 | Headrest for motor vehicle seat, has wing with support side opposite to opposite side of cushion when in inactive position in which rotation axis is disposed in lateral part of headrest by forming preset angle with support side of cushion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0409699A FR2875190A1 (en) | 2004-09-13 | 2004-09-13 | Headrest for motor vehicle seat, has wing with support side opposite to opposite side of cushion when in inactive position in which rotation axis is disposed in lateral part of headrest by forming preset angle with support side of cushion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2875190A1 true FR2875190A1 (en) | 2006-03-17 |
Family
ID=34949404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0409699A Pending FR2875190A1 (en) | 2004-09-13 | 2004-09-13 | Headrest for motor vehicle seat, has wing with support side opposite to opposite side of cushion when in inactive position in which rotation axis is disposed in lateral part of headrest by forming preset angle with support side of cushion |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2875190A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2957565A1 (en) * | 2010-03-18 | 2011-09-23 | Peugeot Citroen Automobiles Sa | Head-rest for seat of vehicle i.e. motor vehicle, has front part forming support face and movable on fixed rear part between retracted and side positions on side of head-rest, where circumference of head-rest is fixed on seat of vehicle |
| US11926249B2 (en) | 2022-02-10 | 2024-03-12 | B/E Aerospace, Inc. | Adjustable head rest assembly and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5934749A (en) * | 1998-03-31 | 1999-08-10 | Seats, Inc. | Vehicle seat with removable bolsters and pivoting headrest members |
| US5997091A (en) * | 1997-12-06 | 1999-12-07 | Volkswagen Ag | Headrest arrangement for a motor vehicle seat |
| US6120099A (en) * | 1996-09-24 | 2000-09-19 | Autoliv Development | Head-rest |
| EP1356987A2 (en) * | 2002-04-27 | 2003-10-29 | Rheinmetall Landsysteme GmbH | Variable headrest for seats built-in transversely to the vehicle's direction |
| DE10234844A1 (en) * | 2002-07-31 | 2004-02-19 | Daimlerchrysler Ag | Headrest for vehicle seat, has at least one lateral head cushion coupled to actuator drive that can be activated to move cushion to in-use position in driving situation likely to lead to accident |
| DE10349929A1 (en) * | 2002-10-26 | 2004-07-29 | Christian Beer | Neck support for attachment to a seat heat rest, especially for motor vehicle travel, comprises two side arm cushions that can be lowered from the head rest and can incorporate a microphone for a hands-free speech system |
-
2004
- 2004-09-13 FR FR0409699A patent/FR2875190A1/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6120099A (en) * | 1996-09-24 | 2000-09-19 | Autoliv Development | Head-rest |
| US5997091A (en) * | 1997-12-06 | 1999-12-07 | Volkswagen Ag | Headrest arrangement for a motor vehicle seat |
| US5934749A (en) * | 1998-03-31 | 1999-08-10 | Seats, Inc. | Vehicle seat with removable bolsters and pivoting headrest members |
| EP1356987A2 (en) * | 2002-04-27 | 2003-10-29 | Rheinmetall Landsysteme GmbH | Variable headrest for seats built-in transversely to the vehicle's direction |
| DE10234844A1 (en) * | 2002-07-31 | 2004-02-19 | Daimlerchrysler Ag | Headrest for vehicle seat, has at least one lateral head cushion coupled to actuator drive that can be activated to move cushion to in-use position in driving situation likely to lead to accident |
| DE10349929A1 (en) * | 2002-10-26 | 2004-07-29 | Christian Beer | Neck support for attachment to a seat heat rest, especially for motor vehicle travel, comprises two side arm cushions that can be lowered from the head rest and can incorporate a microphone for a hands-free speech system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2957565A1 (en) * | 2010-03-18 | 2011-09-23 | Peugeot Citroen Automobiles Sa | Head-rest for seat of vehicle i.e. motor vehicle, has front part forming support face and movable on fixed rear part between retracted and side positions on side of head-rest, where circumference of head-rest is fixed on seat of vehicle |
| US11926249B2 (en) | 2022-02-10 | 2024-03-12 | B/E Aerospace, Inc. | Adjustable head rest assembly and system |
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