HEADREST FOR ONE BACKREST AND BACKREST

DE502022005404D1Active Publication Date: 2025-10-02ADIENT US LLC
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Patent Information

Application Number
DE502022005404
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2022-04-14
Filing Date
2022-11-02
Publication Date
2025-10-02
Estimated Expiration
2042-11-02

AI Technical Summary

Technical Problem

Existing vehicle seat headrests and backrests do not adequately meet safety and comfort requirements, particularly regarding the contours and edges of openings designed for seat belts, ventilation, and aesthetics, while adhering to safety standards such as ECE R17.

Method used

A headrest and backrest design featuring a support frame with internal panels that form a through-opening, where the panels and frame edges are rounded or beveled to meet safety standards, and include decorative elements for enhanced aesthetics and improved air circulation.

Benefits of technology

The design ensures compliance with safety standards by preventing sharp edges and enhancing comfort and aesthetics, while allowing for improved ventilation and decorative features.

✦ Generated by Eureka AI based on patent content.
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Description

[0001] The invention relates to a headrest, which is provided in particular on at least one support rod in a backrest of a vehicle seat, wherein a base body can be arranged on the support rod. Furthermore, the invention relates to a backrest with such a headrest.

[0002] From EP 2 154 020 B1 a headrest is known, the base body of which is provided with a recess which is at least partially lined with panels.

[0003] DE 10 2012 204 813 A1 discloses a vehicle seat with an integrated headrest. The headrest is arranged on an upper section of a seat back structure by means of an adapter component in a form-fitting, material-fitting, and / or force-fitting manner.

[0004] Backrests with openings are known from the prior art. For example, the openings are intended for passing through a seat belt and / or for ventilation and / or as a decorative element. To meet safety requirements, care must be taken to ensure that the opening linings do not have sharp edges.

[0005] The object of the present invention is to provide a headrest that is improved over the prior art and has improved contours, particularly with regard to safety requirements. A further object of the present invention is to provide a backrest with such a headrest that is improved over the prior art and has improved contours with regard to comfort and safety requirements.

[0006] With regard to the headrest, the object is achieved according to the invention with the specified features of claim 1. With regard to the backrest, the object is achieved according to the invention with the specified features of claim 14.

[0007] The object is achieved according to the invention with a headrest which has a base body and at least one support rod on which the base body can be arranged or is arranged, wherein at least one support frame is provided which is designed in such a way and can be arranged or is arranged on the support rod and / or in the region of the base body, for example on and / or in the base body, in such a way that a through opening is formed which is at least partially lined with a first panel and a second panel.

[0008] The support frame has in particular a through opening extending in the longitudinal direction of the headrest.

[0009] The opening is intended, for example, for a seat belt. The covers can be used to visually enhance the opening and thus the headrest, backrest, and especially the vehicle seat.

[0010] The panels can feature various decorative elements, trim, colors, patterns, and / or coatings. The through-opening is intended, for example, for ventilation of the vehicle seat. The panels, in particular their shapes and / or dimensions, can, for example, improve air circulation through the through-opening for temperature regulation.

[0011] Furthermore, the panel ends, which are directed toward an occupant and / or toward an occupant sitting behind the corresponding vehicle seat, are rounded and / or beveled in such a way that they comply with safety regulations and standards, for example, according to the ECE R17 standard. The opening ends of the supporting frame are also rounded and / or beveled in such a way that they comply with safety regulations and standards, for example, according to the ECE R17 standard.

[0012] In addition, the panels are designed as aesthetic covers to visually enhance the vehicle seat and supporting frame. The vehicle seat, for example, is a sports seat.

[0013] In a further embodiment, the support frame is arranged in the base body. For example, the support frame is arranged in the base body in such a way that it extends through the base body. The base body is designed, for example, as a headrest that is integrated or can be integrated into the backrest.

[0014] In another embodiment, the support frame is arranged, for example, below the base body at the ends of the support rod. The support rod is designed, for example, as a U-profile.

[0015] In a further embodiment, the support frame is arranged on an underside of the base body. For example, the support frame is detachably or permanently attached to the underside of the base body. The support frame is, for example, integrated or can be integrated into an upper backrest area. The support frame is, for example, arranged or can be arranged in a neck area and / or shoulder area of ​​the backrest and / or a headrest integrally formed with the backrest. Alternatively, the headrest has a headrest cushion designed to completely accommodate the base body and the support frame.

[0016] Dimensions and / or shapes of the supporting frame correspond, for example, to dimensions and / or shapes of the base body and / or the backrest.

[0017] In a further embodiment, the support frame is arranged between two, in particular parallel, opposite ends of the support rod, with the through-opening extending between the ends of the support rod. For example, the through-opening extends substantially perpendicular to the rod ends.

[0018] In a further embodiment, the support frame is arranged in the region of the base body, for example, on and / or in the base body, such that the through-opening extends in the longitudinal direction of the base body. The through-opening extends, for example, through the entire cross-section of the base body and / or between two rod ends of the support rod. For example, the through-opening extends between two outer surfaces, for example, support surfaces, of the base body. For example, the through-opening extends between two outer surfaces, for example, support surfaces, of the headrest and / or the backrest.

[0019] In a further development, the support frame has at least one dimension that is larger in the longitudinal direction of the base body. For example, at least one opening end of the support frame protrudes beyond an outer surface of the base body, the headrest, and / or the backrest.

[0020] The headrest and / or backrest thus has a through-opening which extends through its entire cross-section, in particular in the longitudinal direction from front to back, so that one can see through the headrest and / or backrest.

[0021] The first aperture and the second aperture are arranged in the through-opening such that their aperture ends are located within the through-opening. In particular, the aperture ends are arranged at a distance from the opening ends of the through-opening.

[0022] In addition, the through-opening has opening edges with a radius of 2.5 mm or greater, in particular 5 mm, at its opening ends. According to the ECE R17 standard, components located in the headrest area must have radii of 2.5 mm or greater. The covers, for example, have radii of less than 2.5 mm for aesthetic reasons. In order to still meet the requirements of the ECE R17 standard, the additional and separate supporting frame is provided. The supporting frame prevents contact and / or touching at the visible ends of the covers, particularly those located in the area of ​​the opening ends of the through-opening. Such contact points and / or touch points are determined, for example, using spheres with a diameter of 165 mm.

[0023] The apertures, on the other hand, can have aperture edges with a smaller radius at their aperture ends.

[0024] The panels are primarily made of plastic. The supporting frame is primarily made of plastic.

[0025] In a further embodiment, at least one of the panels has a panel body that has at least one recess. The recess is, for example, a through-opening. For example, the at least one panel is designed as a panel frame.

[0026] In a further development, the apertures are largely identical.

[0027] In a further embodiment, a first aperture end of the aperture body of the at least one aperture has a larger circumference than a second aperture end of the same aperture body. The aperture body is designed, for example, as a conically tapered body. For example, the aperture body is substantially conical.

[0028] In one possible embodiment, at least one of the panels is connected, in particular in a locking manner, to the support frame and / or the base body.

[0029] According to a further embodiment, one of the two panels is connected to the other panel, in particular in a locking manner. For example, the panel ends that are connected to each other, in particular in a locking manner, are arranged in a central region of the through-opening, as seen in the longitudinal direction.

[0030] For example, the two panels are partially pushed into each other before forming a locking connection. For example, one panel is inserted into the other, at least partially. Additionally, the two panels can be arranged butt-to-end. This makes it easy to compensate for manufacturing tolerances. Furthermore, the panels are suitable for various shapes of through-holes or recesses.

[0031] The headrest according to the invention typically has padding, for example, on all sides, which in turn is covered by a cover. For example, the cover is at least partially secured in the recess or through-opening.

[0032] According to a further embodiment of the present invention, the cover is arranged at least partially on one of the two panels. This can be achieved, for example, by a form-fitting, force-fitting, and / or material connection.

[0033] A further embodiment provides that the cover is arranged on the base body.

[0034] For example, the base body at least partially encloses the support rods. In particular, the support rods are at least partially enclosed by the material of the base body during casting, injection molding, or injection molding of the base body.

[0035] The advantages achieved by the invention are, in particular, that such a headrest with such a support frame with internal panels in the area of ​​the passage opening has outer rounded contours which meet the safety requirements according to standard ECE R17.

[0036] A backrest according to the invention for a seat, in particular a vehicle seat, comprises at least one supporting structure and a headrest arranged on the supporting structure as previously described.

[0037] In a further embodiment, the support frame is arranged between an upper end of the support structure and a lower end of the base body.

[0038] The seat, in particular a vehicle seat, can accommodate one or more people. Accordingly, the vehicle seat can also be a bench seat. The headrest is attached to the backrest of the vehicle seat by means of the support rod, for example in an adjustable manner. The headrest, for example, together with the backrest, forms a continuous outer surface, in particular a support surface, for an occupant. A back of the backrest with such a headrest also has a continuous outer surface, wherein the through opening extends through the entire cross-section between the outer surfaces, so that one can see through the headrest and / or the backrest.

[0039] Embodiments of the invention are explained in more detail with reference to the drawings. In the drawings: Figure 1 shows a front view of a vehicle seat with a headrest and a through-opening in the area of ​​the headrest and a backrest from the front, Figure 2 shows a side view of a vehicle seat, Figure 3 shows a perspective view and partially exploded view of an embodiment for a supporting structure of a vehicle seat, Figure 4 shows a vertical section through the through-opening of the headrest, Figure 5 shows a supporting frame and two panels for the through-opening in the assembled state, and Figure 6 shows a front view of a vehicle seat with a headrest and a through-opening from the front.

[0040] Corresponding parts are provided with the same reference numerals in all figures.

[0041] One in the Figure 1A schematically illustrated vehicle seat S is described below using three spatial directions running perpendicular to one another. In a vehicle seat S installed in the vehicle, a longitudinal direction X runs largely horizontally and, for example, parallel to a vehicle longitudinal direction that corresponds to the normal direction of travel of the vehicle. A transverse direction Y running perpendicular to the longitudinal direction X is also aligned horizontally in the vehicle and runs parallel to a vehicle transverse direction. A vertical direction Z runs perpendicular to the longitudinal direction X and perpendicular to the transverse direction Y. In a vehicle seat S installed in the vehicle, the vertical direction Z runs, for example, parallel to a vehicle vertical axis.

[0042] The position and direction specifications used, such as front, rear, top, and bottom, refer to the viewing direction of an occupant sitting in the vehicle seat S in a normal seating position, with the vehicle seat S installed in the vehicle, in a position suitable for passenger transport with the backrest 1 upright and oriented in the direction of travel as usual. However, the vehicle seat S can also be installed or moved in a different orientation, for example, transversely to the direction of travel.

[0043] Figure 1 shows a front view of the vehicle seat S. The vehicle seat S comprises the backrest 1 and a headrest 2 provided on the backrest 1. In the area of ​​the headrest 2, the vehicle seat S comprises a through opening 3.

[0044] The vehicle seat S, in particular the backrest 1 and the headrest 2, generally have padding 4, for example, on all sides. The padding 4 can in turn be covered by a cover 5. For example, the cover 5 is at least partially secured in the through opening 3.

[0045] The vehicle seat S further comprises a support structure 7, shown in dashed lines, in particular a profile frame structure and / or a rod structure, for the backrest 1 and the headrest 2.

[0046] Figure 2 shows a side view of the vehicle seat S. The through opening 3 extends through the entire cross section in the longitudinal direction X of the headrest 2 from front to rear, so that one can see through the headrest 2.

[0047] The vehicle seat S further comprises a seat part 6 on which the backrest 1 is arranged, in particular rotatably arranged.

[0048] A supporting frame 11, as in Figure 3 shown, for providing or forming the through opening 3 extends through the upholstery 4. For example, the through opening 3 extends from a rear outer side 1.1, for example the back, to a front outer side 1.2, for example the support surface side for an occupant.

[0049] Figure 3 shows in perspective and partially exploded view an embodiment of a supporting structure 7 of the vehicle seat S.

[0050] The headrest 2 according to the invention comprises a base body 8 and at least one support rod 9. The support rod 9 can be designed as a U-shaped bracket with two rod ends 10 or as two separate support rods 9.

[0051] The base body 8 is arranged on the support rod 9.

[0052] In addition, the headrest 2 comprises at least one support frame 11, which can be arranged on the support rod 9 and / or the base body 8. In the exemplary embodiment, the support frame 11 is arranged on the support rod 9 between the rod ends 10.

[0053] In particular, the support frame 11 is designed and can be arranged on the support rod 9 and / or the base body 8 in such a way that the through opening 3 of the headrest 2 is formed.

[0054] The support frame 11 is designed as a hollow profile or hollow body with a cavity 12 that forms the through-opening 3. The cavity 12 extends through the entire cross-section of the headrest 2, in particular through its base body 8, when the support frame 11 is arranged in a recess of the base body 8 (not shown) and / or between the two rod ends 10 of the support rod 9.

[0055] For example, the support frame 11 is made of plastic.

[0056] The support frame 11, in particular its cavity 12, is at least partially lined with a first panel 13 and a second panel 14.

[0057] Thus, the through-opening 3 of the headrest 2 extends through the entire cross-section of the headrest 2 and is at least partially lined by the two panels 13 and 14.

[0058] The two covers 13, 14 are made primarily of plastic.

[0059] The panels 13, 14 each have a panel body 13.1, 14.1. The panel bodies 13.1, 14.1 are each designed, for example, in the form of a panel frame with a continuous recess 13.2, 14.2. The recesses 13.2, 14.2 are, for example, through-openings.

[0060] The diaphragm bodies 13.1, 14.1 are tapered. Each diaphragm body 13.1, 14.1 comprises a first diaphragm end 24, 24A and a second diaphragm end 24, 24B. The respective first diaphragm end 24, 24A is visibly arranged at an opening end 25 of the support frame 11, in particular the through-opening 3. The respective second diaphragm end 24, 24B is within, in particular in a substantially central region MB, as shown in Figure 4 to be seen, that of the supporting frame 11, in particular the through opening 3.

[0061] The respective first aperture end 24, 24A of the aperture bodies 13.1, 14.1 has a larger circumference than the respective second aperture end 24, 24B of the aperture bodies 13.1, 14.1.

[0062] In one possible embodiment, at least one of the panels 13 is connected, in particular in a locking manner, to the support frame 11. For this purpose, the first panel 13 has corresponding first locking elements 15, in particular locking projections, which engage in a locking manner with corresponding second locking elements 16, in particular locking tongues, of the support frame 11 in the assembled state.

[0063] In the exemplary embodiment, pairs of first and second locking elements 15, 16 are provided at the top and bottom on the inside of the support frame 11 and on the outside of the first panel 13.

[0064] Furthermore, the second panel 14 is connected, in particular in a locking manner, to the first panel 13. For this purpose, the second panel 14 has, for example, third locking elements 17 on its outer side, which engage in a locking manner in corresponding fourth locking elements 18, in particular locking openings, in the assembled state.

[0065] The diaphragm bodies 13.1, 14.1 are connected to one another within the support frame 11, in particular within the through-opening 3. For example, the inner, second diaphragm ends 24B are each connected via a plug connection 30, as shown in Figure 4 shown, connected to one another. In particular, a panel body 13.1, 14.1 of one of the panels 13, 14 is partially inserted, in particular plugged, into the other panel body 13.1, 14.1 of the further panel 13, 14. When the panel bodies 13.1, 14.1 are connected, the recesses 13.2, 14.2 are connected to one another in such a way that they form a continuous opening, in particular a through-opening 3. The interconnected recesses 13.2, 14.2 extend through the entire cross-section of the headrest 2 and / or backrest 1.

[0066] For fastening the support frame 11 to the support rod 9, fastening elements 19 are provided laterally in the support frame 11. To avoid sharp edges, a fastening cap 20 is provided, which is arranged between the support frame 11 and the head of the fastening elements 19. The fastening cap 20 has a rounded cap edge 21 pointing away from the support frame 11 and projecting upwards therefrom. The cap edge 21 has a protruding height that is greater than the height of the head of the fastening element 19. The radius of the rounded cap edge 21 is equal to or greater than 2.5 mm, in particular the radius is 5 mm.

[0067] The first panel 13 may additionally comprise a recess 22 for receiving and holding a functional element 23, such as lettering or a light source.

[0068] Figure 4 shows the vertical section of the through opening 3 of the headrest 2.

[0069] The through opening 3 extends through the entire cross section of the support frame 11 and thus of the headrest 2.

[0070] The headrest 2 thus has a continuous opening so that one can see through the headrest 2.

[0071] The first aperture 13 and the second aperture 14 are arranged in the through-opening 3, in particular in the cavity 12 of the support frame 11, such that their aperture ends 24 are arranged within the cavity 12 of the support frame 11 and thus also within the through-opening 3. In particular, the aperture ends 24 of the two apertures 13, 14 are arranged at a distance from the opening ends 25 of the through-opening 3, in particular of the cavity 12.

[0072] In addition, the through-opening 3, in particular the cavity 12, has rounded opening edges 26 at its opening ends 25 with a radius of equal to or greater than 2.5 mm, in particular 5 mm.

[0073] Such rounded opening edges 26 in the headrest area specifically meet the ECE R17 standard, which requires components located in the headrest area to have radii equal to or greater than 2.5 mm (energy dissipation test required) or better than 5 mm (no energy dissipation test required) if they can be contacted with a 165 mm diameter ball. Seat components with a hardness of less than 50 Shore A are not considered in this assessment (e.g., foam and trim strips).

[0074] To meet the test radius requirements, the invention provides a support frame 11 that prevents the 165 mm diameter sphere from touching the inner apertures 13 and 14 during the test. This support frame 11 ensures the required radii are greater than 2.5 mm wherever the 165 mm sphere can touch it.

[0075] In contrast, the inwardly offset and arranged and fixed panels 13, 14 in the support frame 11 can have panel edges with a smaller radius at their panel ends 24.

[0076] The distance between the panel ends 24, 24A and the opening ends 25 and / or the rounded opening edges 26 is selected such that, for example, an impact area formed by the head restraint in the event of an accident meets a safety standard, in particular that of the ECE R17 regulation. In the event of an accident, direct contact of the head with the panel ends 24, 24A is largely avoided.

[0077] For example, the two panels 13, 14 are partially pushed into each other before forming a locking connection. Additionally, the two panels 13, 14 can be arranged butt-to-end. This makes it easy to compensate for manufacturing tolerances. Furthermore, the panels 13, 14 are suitable for various shapes of through-holes or recesses.

[0078] According to a further embodiment of the present invention, the cover 5 is arranged at least partially on one of the two panels 13, 14. This can be achieved, for example, by a form-fitting, force-fitting, and / or material connection.

[0079] The support frame 11 and / or the panels 13, 14 can additionally be provided with stiffening elements 27, in particular longitudinal ribs, transverse ribs.

[0080] The support frame 11 is designed, for example, as a hollow body, in particular a hollow profile. The opening edges 26 have a larger circumference than a hollow profile base body of the support frame 11. The opening edges 26 are arranged at ends of the hollow profile base body, for example at the opening ends 25 of the support frame 11. The opening edges 26 are connected, for example, to the ends of the hollow profile base body, for example, the opening ends 25 of the support frame 11, in a materially bonded, non-positively bonded, and / or positively bonded manner. Alternatively, the hollow profile base body is formed integrally with the opening edges 26. The opening edges 26 form, for example, angled ends, in particular angled outwards, of the hollow profile base body, for example, angled opening ends 25 of the support frame 11. Outwards here means in a direction away from the through-opening 13, for example, towards a vehicle interior.The opening edges 26 are designed, for example, in the form of outwardly projecting, in particular protruding, flanges.

[0081] Figure 5 shows the supporting frame 11 and the two panels 13, 14 for the through opening 3 of the headrest 2 in the assembled state.

[0082] Figure 6 shows a front view of a vehicle seat S with a headrest 2 and a through-opening 3. The headrest 2 has a padding 4. The headrest 2 is fastened to a backrest 1, in particular to a supporting structure 7 of the backrest 1, by means of the retaining rod 9. The headrest 2 comprises, for example, a base body 8 and a supporting frame 11. The supporting frame 11, together with the base body 8, is surrounded by the padding 4. The supporting frame 11 has the through-opening 3, which is at least partially lined with a first panel 13 and a second panel 14.

[0083] In the illustrated embodiment, the support frame 11 is arranged, for example, in the base body 8 of the headrest 2 or below the base body 8. List of reference symbols

[0084] 1Backrest 1.1, 1.2Outside 2Headrest 3Through opening 4Upholstery 5Cover 6Seat part 7Supporting structure 8Base body 9Support rod 10Rod ends 11Supporting frame 12Cavity 13First panel 13.1Panel body 13.2Recess 14Second panel 14.1Panel body 14.2Recess 15First locking element 16Second locking element 17Third locking element 18Fourth locking element 19Fastening element 20Fastening cap 21Rounded cap edge 22Recess 23Functional element 24, 24A, 24BPanel end 25Opening end 26Opening edge 27Stiffening element 30Plug connection MBiddle area SVehicle seat XLongitudinal direction YTransverse direction ZVertical direction

Claims

1. Head restraint (2) for a backrest (1), in particular of a vehicle seat (S), comprising at least - a basic body (8), - a holding rod (9), on which the basic body (8) is arranged, and - a supporting frame (11), which is arranged on the holding rod (9) and / or in the region of the basic body (8), wherein the supporting frame (11) has at least one through opening (3), which is at least partially lined with a first cover (13) and a second cover (14), characterized in that the first cover (13) and the second cover (14) are arranged in the through opening (3) in such a way that their cover ends (24, 24A, 24B) are arranged within the through opening (3).

2. Head restraint (2) according to Claim 1, wherein the supporting frame (11) is arranged between two rod ends (10) of the holding rod (9), and wherein the through opening (3) extends between the rod ends (10) of the holding rod (9).

3. Head restraint (2) according to Claim 1 or 2, wherein the supporting frame (11) is arranged on and / or in the basic body (8) in such a way that the through opening (3) extends in the direction of longitudinal extent of the basic body (8) and / or through an entire cross section of the basic body (8).

4. Head restraint (2) according to any one of the preceding claims, wherein at least one of the covers (13, 14) has a cover body (13.1, 14.1) with a recess (13.2, 14.2).

5. Head restraint (2) according to Claim 4, wherein a first cover end (24, 24A) of the cover body (13.1, 14.1) has a larger circumference than a second cover end (24, 24B) of the cover body (13.1, 14.1).

6. Head restraint (2) according to either of Claims 4 and 5, wherein the cover bodies (13.1, 14.1) are conically tapered.

7. Head restraint (2) according to any one of the preceding claims, wherein the cover ends (24, 24A) are arranged at a distance from the opening ends (25) of the through opening (3).

8. Head restraint (2) according to Claim 6, wherein the through opening (3) has rounded opening edges (26) at its opening ends (25) with a radius of equal to or greater than 2.5 mm, in particular of 5 mm.

9. Head restraint (2) according to any one of the preceding claims, wherein at least one of the covers (13, 14) is connected, in particular in a latching manner, to the supporting frame (11), and wherein the covers (13, 14) are connected, in particular in a latching manner, to each other.

10. Head restraint (2) according to any one of the preceding claims, wherein the first cover (13) has first latching elements (15), which, in the assembled state, engage in a latching manner in corresponding second latching elements (16) of the supporting frame (11).

11. Head restraint (2) according to any one of the preceding claims, wherein the second cover (14) on its outside has third latching elements (17), which, in the assembled state, engage in a latching manner in corresponding fourth latching elements (18) of the first cover (13).

12. Head restraint (2) according to any one of the preceding claims, wherein the first cover (13) additionally comprises a recess (22) for receiving and holding a functional element (23), such as lettering or a lamp.

13. Head restraint (2) according to any one of the preceding claims, wherein, in the connected state of the cover bodies (13.1, 14.1), the recesses (13.2, 14.2) are connected to each other in such a way that they form a continuous opening.

14. Backrest (1) for a seat, in particular vehicle seat (S), comprising at least one supporting structure (7) and a head restraint (2), which is arranged on the supporting structure (7), according to any one of the preceding Claims 1 to 13.

15. Backrest (1) according to Claim 14, wherein the supporting frame (11) is arranged between an upper end of the supporting structure (7) and a lower end of the basic body (8).