WO2023079243A1 - Dossier de siège de véhicule et siège de véhicule associé - Google Patents
Dossier de siège de véhicule et siège de véhicule associé Download PDFInfo
- Publication number
- WO2023079243A1 WO2023079243A1 PCT/FR2022/052067 FR2022052067W WO2023079243A1 WO 2023079243 A1 WO2023079243 A1 WO 2023079243A1 FR 2022052067 W FR2022052067 W FR 2022052067W WO 2023079243 A1 WO2023079243 A1 WO 2023079243A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shell
- face
- seat
- upright
- backrest
- 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
- B60N2/64—Back-rests or cushions
-
- 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
- B60N2/686—Panel like structures
Definitions
- TITLE Vehicle Seat Back and Associated Vehicle Seat
- the present invention relates to a vehicle seat back, in particular a motor vehicle, and an associated seat.
- this seat comprises a deformable shell 80, a support frame 82 carrying the shell and a rear cover 84.
- the shell is articulated on two connecting supports 261, 262.
- the connecting supports 261, 262 comprise each a mounting bracket 261B, 262B and a case 261H, 262H receiving the mounting bracket 261B, 262B.
- Each mounting bracket 261H, 262H is attached to a post of the support frame. Each case 261H, 262H is then snapped into place on one of the mounting brackets 261B, 262B.
- the connecting brackets 261, 262 stiffen and solidify the support frame.
- the link brackets 261, 262 interconnect the motion control links between the upper part of the shell and the lower part of the shell.
- a first object of the present invention is to propose a backrest and a seat making it possible to adapt to the posture of the passenger and to his possible movements while being more respectful of the environment.
- a second object of the present invention is to propose a file having fewer plastic parts.
- this file generates less carbon dioxide emissions.
- a third object of the present invention is to provide a backrest that minimizes the material used for the upholstery.
- a fourth object of the present invention is to provide a folder whose elements are easily removable, for example for recycling.
- a fifth object of the present invention is to provide a lighter backrest.
- a sixth object of the present invention is to provide a backrest that can be easily adapted to the particular desires of the occupants of the vehicle, for example by replacing removable comfort equipment.
- the subject of the present invention is a vehicle seat back, in particular a motor vehicle, the back comprising:
- a support frame comprising a first side post and a second side post extending parallel to the first side upright;
- a shell carried by the first side upright and by the second side upright, said hull extending in a plane called the transverse plane, the hull having a front face covered with foam and capable of supporting the back of a passenger seated on the seat, and an opposite rear face; the rear face of said shell being substantially visible.
- the shell is fixed directly and mobile in rotation to a support face of the first side upright and to a support face of the second side upright, said support faces being perpendicular to the transverse plane.
- the back further comprises a first connecting rod directly hinged to the shell and to a support face of the first lateral upright, and a second connecting rod directly hinged to the hull and to a supporting face of the second lateral upright; said support faces being perpendicular to the transverse plane.
- the first side upright comprises at least two tube portions extending at a distance and parallel to each other, the at least two tube portions being aligned in a direction perpendicular to the transverse plane, and in which the first upright lateral comprises at least a first plate fixed to an upper part of the tube portions, the bearing face of the first lateral upright being a face of said first plate.
- the first side upright comprises at least a second plate fixed to a lower part of the tube portions, said support face of the first side upright being a face of said second plate.
- the file further comprises a cover removably mounted on the second plate, said cover being suitable for concealing electrical cables.
- the bearing face of the first lateral upright and the bearing face of the second lateral upright each comprise an articulation element allowing a spheroidal connection, the shell comprising two complementary articulation elements cooperating with said articulation elements.
- the rear face of the hull comprises at least one fixing element suitable for fixing comfort equipment.
- the at least one fixing element comprises a first housing intended to receive at least part of a piece of comfort equipment, said first housing having a shape adapted to fit into said first housing.
- the at least one fixing element comprises a second housing intended to receive one fixing element from among a screw, a riveting element and a clipping element.
- the backrest includes at least one comfort item from a loudspeaker, a vibrator, a fan, a heating device.
- the front face of the hull is configured to carry at least partially a textile or leather covering, and in which the rear face is configured to support comfort equipment removable, said shell forming a piece of appearance presenting an aesthetic visual and a pleasant touch.
- the invention also relates to a vehicle seat, in particular a motor vehicle seat, comprising a seat and a backrest articulated with respect to the seat, characterized in that the backrest is shaped according to the characteristics mentioned above.
- FIG. 1 is an exploded perspective view of part of a seat according to the state of the art
- FIG. 2 is a perspective view of a rear part of a seat according to the invention.
- FIG. 3 is an enlarged perspective view of the upper attachment between a first side upright and part of the rear face of a shell;
- FIG. 4 is an enlarged perspective view of the lower attachment between a first side upright and part of the rear face of the shell; the first connecting rod and the cover not being represented;
- FIG. 5 is a view similar to Figure 3 further comprising the first connecting rod and the cover;
- FIG. 6 is an enlarged front view of the rear face of the shell fitted with three comfort features.
- FIG. 2 An orthonormal reference frame illustrated in FIG. 2.
- the terms “horizontal”, “vertical”, “upper” and “lower” are to be interpreted with the position of the seat illustrated in FIG. This position corresponds to the usual position of a seat in a motor vehicle.
- the present invention relates to a backrest 2 for a vehicle seat, in particular for a motor vehicle seat.
- the present invention also relates to a vehicle seat 4 comprising a seat 6 and such a backrest 2 hinged to the seat 6.
- the backrest 2 comprises a shell 8 suitable for supporting the back of a passenger seated on the seat and a support frame 10 suitable for carrying the shell 8.
- the shell 8 extends in a transverse plane (Y, Z). It has a front face 12 covered with foam and a seat covering, and an opposite rear face 14. When the seat is mounted in the vehicle, the front face 12 is directed towards the dashboard of the vehicle and the rear face 14 is directed towards the rear seat of the vehicle.
- the rear face 14 of the shell is substantially visible, that is to say it is either totally visible by a passenger seated on the rear seat, or partially visible by a passenger seated on the rear seat.
- the back side of the shell is partially visible when the builder partially covers it with a seat cover.
- the shell 8 may include slots 16 extending in a transverse direction Y at a height corresponding to the passenger's lower back.
- the shell is deformable.
- the support frame 10 comprises a first side upright 18, a second side upright 20 extending parallel to the first side upright and an upper crosspiece 22 connecting the first side upright to the second side upright.
- the upper part of the shell 8 is fixed directly to the first side upright and to the second side upright.
- the upper part of the shell 8 is fixed to move in rotation with respect to the first lateral upright and to the second lateral upright.
- the support frame 10 is advantageously constituted by a first tube 24 and a second tube 26.
- the first lateral upright comprises a portion 28 of the first tube and a portion 30 of the second tube.
- Portion 30 of the second tube extends parallel to portion 28 of the first tube.
- Portion 30 of the second tube is aligned along the longitudinal direction X with portion 28 of the first tube.
- Portion 30 of the second tube is disposed at a distance from portion 28 of the first tube. A space is arranged between them.
- the first lateral upright 18 further comprises a first plate 32 secured, for example by welding, to an upper part of the portion 28 of the first tube and to an upper part of the portion 30 of the second tube, and a second plate 34 secured to a lower part of the portion 28 of the first tube and at a lower part of the portion 30 of the second tube.
- the first plate and the second plate carry elements for fixing to the hull and allow the forces to be held in the event of an accident.
- the first upright also includes a third plate which will not be described in detail.
- the first plate 32 has a bearing face 36 on which a hinge element 38 allowing a spheroidal connection is fixed.
- the support face 36 is contained in a longitudinal plane (X, Z).
- the longitudinal plane is perpendicular to the transverse plane (Y, Z).
- the spheroidal articulation element 38 extends in a transverse direction Y.
- This spheroidal articulation element is for example constituted by a ball joint.
- This spheroidal articulation element is engaged in a complementary articulation element 40 fixed to the rear face 14 of the shell.
- the rear face of the hull is provided with a support flange 42 carrying the complementary hinge element 40.
- the support flange 42 is contained in a longitudinal plane (X, Z).
- the complementary articulation element 40 comprises for example a spherical housing.
- the second plate 34 has a support face 44 contained in a plane perpendicular to the transverse plane (Y, Z).
- a horizontal pin 46 is secured, for example by screwing or welding, to the support face 44 of the second plate.
- a horizontal axis 48 is formed for example by molding on a lower part of the rear face of the shell.
- the first side upright 18 also includes a first connecting rod 50 directly hinged to the shell and directly hinged to the support face 44 of the second plate of the first side upright.
- the first connecting rod 50 is mounted around the horizontal axis 46.
- the first connecting rod 50 is mounted on the horizontal axis 48 of the hull.
- the two lower pivot points, the upper articulation, and the flexibility of the shell ensure that the seat is adjusted to the position of its occupant.
- the fact of directly articulating the first connecting rod 50 on the second plate makes it possible to eliminate the plastic parts called binding support.
- the file is more easily recyclable. Its recycling generates less carbon dioxide.
- the file is less heavy. It is easily removable for recycling.
- the second side upright 20 is identical to the first side upright 18 and will not be described again.
- the technical elements of the second upright identical to the technical elements of the first lateral upright 18 include the same references and will not be described again.
- a second connecting rod 52 is directly hinged to the rear face of the shell and to the support face 44 of the second plate of the second side upright.
- the middle part of the first tube 24 and the middle part of the second tube 26 constitute the crosspiece of the support frame.
- the middle part of the first tube extending in the transverse direction Y.
- the middle part of the second tube has a general V shape allowing the seat covering to be fixed.
- the backrest 2 further comprises a cover 54 removably mounted on the second plate 34 and a cover 54 removably mounted on the first plate 32.
- These covers are suitable for concealing electrical cables of electrical equipment mounted on the seat such as such as, for example, a heating mat, an airbag, a loudspeaker, vibrators or a ventilation system.
- the support frame 10 consists of two vertical panels joined to an upper horizontal panel.
- Vertical panels are generally called vertical flanges.
- the top horizontal panel is usually called a crossbeam.
- the panels are preferably made of metal. Alternatively, they are made of plastic.
- the first side upright 18 has only one plate; the support face 36 and the support face 44 of the first lateral upright being the same face of this plate.
- the shell 8 may include comfort equipment attachment elements.
- these fixing elements comprise first housings 56 intended to receive comfort equipment 58.
- the first housings 56 consist of through-holes or pre-cuts in which comfort equipment having a shape complementary to the holes can be inserted.
- the comfort equipment is removable.
- the shell 8 comprises a circular hole on an upper central part and two side circular holes.
- the holes can have different shapes such as square or rectangular shapes.
- the comfort equipment 58 has a shape complementary to the holes arranged in the shell.
- the comfort equipment can comprise one or more equipment from among a loudspeaker, a vibrator, a heating system, a cooling system such as for example a fan.
- the shell 8 can also comprise second housings 60 distributed around the first housings and intended to receive fixing elements allowing the fixing of the equipment of comfort in the first accommodations.
- Fastening elements are, for example, screws, riveting elements or clip-on elements
- the seat can evolve according to the needs of the occupants.
- Some comfort equipment can only be fitted by a professional.
- the seat no longer has a rear cover plate.
- the shell 8 is a functional technical part which fulfills the functions of upholstery support, comfort support and equipment support, but also a decorative part.
- the shell 8 constitutes a padding support since it carries the foam and a textile, leather or faux leather covering.
- Shell 8 allows comfort equipment to be worn which can easily be removed or replaced.
- Comfort equipment can also be added throughout the life of the backrest.
- the backrest is thus adjustable according to the desires of the occupants.
- Comfort equipment such as a ventilation system, a heating system, a vibration system or speakers can be added or removed.
- the hull is made of plastic material as an appearance part with an aesthetic look and a pleasant touch so that no trim part is added on the rear face or on the front face of the hull apart from foam and coating.
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 |
|---|---|---|---|
| EP22813675.0A EP4426584A1 (fr) | 2021-11-05 | 2022-11-03 | Dossier de siège de véhicule et siège de véhicule associé |
| CN202280072251.3A CN118176130A (zh) | 2021-11-05 | 2022-11-03 | 车辆座椅靠背和相关联的车辆座椅 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2111776A FR3128911A1 (fr) | 2021-11-05 | 2021-11-05 | Dossier de siège de véhicule et siège de véhicule associé |
| FR2111776 | 2021-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023079243A1 true WO2023079243A1 (fr) | 2023-05-11 |
Family
ID=80446356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2022/052067 Ceased WO2023079243A1 (fr) | 2021-11-05 | 2022-11-03 | Dossier de siège de véhicule et siège de véhicule associé |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4426584A1 (fr) |
| CN (1) | CN118176130A (fr) |
| FR (1) | FR3128911A1 (fr) |
| WO (1) | WO2023079243A1 (fr) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2849812A1 (fr) * | 2003-01-14 | 2004-07-16 | Faurecia Sieges Automobile | Siege de vehicule protegeant un utilisateur contre les effets d'un choc arriere |
| EP2755855A2 (fr) | 2011-09-12 | 2014-07-23 | Faurecia Automotive Seating, LLC | Coque de confort contrôlable pour un siège de véhicule |
-
2021
- 2021-11-05 FR FR2111776A patent/FR3128911A1/fr active Pending
-
2022
- 2022-11-03 EP EP22813675.0A patent/EP4426584A1/fr active Pending
- 2022-11-03 CN CN202280072251.3A patent/CN118176130A/zh active Pending
- 2022-11-03 WO PCT/FR2022/052067 patent/WO2023079243A1/fr not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2849812A1 (fr) * | 2003-01-14 | 2004-07-16 | Faurecia Sieges Automobile | Siege de vehicule protegeant un utilisateur contre les effets d'un choc arriere |
| EP2755855A2 (fr) | 2011-09-12 | 2014-07-23 | Faurecia Automotive Seating, LLC | Coque de confort contrôlable pour un siège de véhicule |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118176130A (zh) | 2024-06-11 |
| FR3128911A1 (fr) | 2023-05-12 |
| EP4426584A1 (fr) | 2024-09-11 |
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