EP4359303A1 - Dispositif de siège - Google Patents

Dispositif de siège

Info

Publication number
EP4359303A1
EP4359303A1 EP22737632.4A EP22737632A EP4359303A1 EP 4359303 A1 EP4359303 A1 EP 4359303A1 EP 22737632 A EP22737632 A EP 22737632A EP 4359303 A1 EP4359303 A1 EP 4359303A1
Authority
EP
European Patent Office
Prior art keywords
backrest
shell element
seat device
shell
seat
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
Application number
EP22737632.4A
Other languages
German (de)
English (en)
Inventor
Sandra Huber
Stefanie ECKERT
Christoph Bich
Zoltan Jussli
Felix Bauer
Nastia KUHN
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.)
Recaro Aircraft Seating GmbH and Co KG
Original Assignee
Recaro Aircraft Seating GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Recaro Aircraft Seating GmbH and Co KG filed Critical Recaro Aircraft Seating GmbH and Co KG
Publication of EP4359303A1 publication Critical patent/EP4359303A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B64D11/0648—Lower frame constructions
    • 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
    • B60N2/70—Upholstery springs ; Upholstery
    • B60N2/7011—Upholstery springs ; Upholstery of substantially two-dimensional shape, e.g. hammock-like, plastic shells, fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B64D11/0649—Seats characterised by special features for reducing weight

Definitions

  • the invention relates to a seat device according to the preamble of patent claim 1.
  • a seat device in particular an aircraft seat device, with a backrest that has a base frame that includes two lateral frame elements has already been proposed.
  • the object of the invention is in particular to provide a generic device with improved properties in terms of construction.
  • the object is achieved according to the invention by the features of patent claim 1, while advantageous configurations and developments of the invention can be found in the dependent claims.
  • a seat device in particular an aircraft seat device, with a backrest is proposed, which has a base frame, which comprises two lateral frame elements, and a shell element, which is connected to the lateral frame elements and which at least partially forms a backrest support surface.
  • a particularly advantageous construction can be achieved by the configuration according to the invention. Due to the configuration according to the invention, a seat device with an advantageously low weight can be provided. Furthermore, as a result of the configuration according to the invention, a variety of components can advantageously be reduced. As a result, installation costs can advantageously be reduced. In addition, an advantageously simple assembly can thereby be made possible. Furthermore, through the configuration according to the invention, a comfort in particular with regard to leg room, can be advantageously improved, since in particular a depth of the backrest can advantageously be reduced. Furthermore, an advantageously durable design can be made possible.
  • the seat device in particular the aircraft seat device, is preferably intended to be mounted on a seat, in particular on an aircraft seat.
  • the seat device is preferably part of the seat, in particular of the aircraft seat.
  • the seat includes a stand assembly.
  • the seat is preferably intended to be elevated on a stand-on platform. “Provided” should preferably be understood to mean specially designed and/or equipped. The fact that an object is provided for a specific function is to be understood in particular to mean that the object fulfills and/or executes this specific function in at least one application and/or operating state.
  • the base frame is preferably provided to transmit forces introduced into the backrest, in particular supporting forces of a passenger, to the stand unit.
  • the shell element is preferably provided to introduce into the base frame supporting forces of a passenger acting on the shell element.
  • a “shell element” should preferably be understood to mean a planar component which is curved and/or arched.
  • the backrest, in particular the base frame is preferably pivotably mounted relative to the stand unit.
  • the two lateral frame elements are preferably provided for dissipating forces introduced into the backrest, in particular supporting forces of a passenger, into the stand unit.
  • the lateral frame elements are preferably each designed as a hollow profile.
  • the lateral frame elements are preferably each arranged at least essentially in a lateral outer area of the backrest.
  • the frame elements each extend at least substantially along the backrest support surface. “At least essentially” should preferably be understood to mean that a deviation from a specified value is in particular less than 25%, preferably less than 10% and particularly preferably less than 5% of the specified value.
  • the shell element in particular the backrest support surface, is preferably provided to absorb the supporting forces of a passenger and to introduce them into the lateral frame elements.
  • the shell member with the lateral Frame elements directly connected.
  • supporting forces of a passenger can advantageously be introduced from the backrest support surface into the base frame.
  • at least a major portion of the shell member is disposed between the side frame members.
  • the expression "at least a large part” should be understood to mean preferably at least 55%, advantageously at least 65%, preferably at least 75%, particularly preferably at least 85% and particularly advantageously at least 95% of a component volume of the shell element.
  • the shell element is preferably formed separately from the base frame in a completely finished state of the shell element, in particular as an individual component, and in an unassembled state of the seat device.
  • the shell element is preferably formed at least partially from a fiber composite material, in particular an organo sheet.
  • the shell element can also be formed from a prepreg material.
  • the fiber composite material preferably comprises glass fibers and/or carbon fibers.
  • the shell element can be formed at least partially from a metallic material.
  • the shell element it would also be conceivable for the shell element to be formed from an injection-molded component.
  • the shell member has a concave shape on a front side of the shell member. The front side of the shell element preferably forms the backrest support surface at least partially.
  • a “backrest support surface” should preferably be understood to mean a surface which is intended to absorb the supporting forces of a passenger, in particular a back of the passenger. “Supporting forces of a passenger” should preferably be understood as meaning forces that act on the backrest, in particular the backrest support surface, when the passenger leans against the backrest. At least one reference element and/or at least one cushion element is preferably arranged between the backrest support surface and the passenger. Alternatively, it would also be conceivable for the passenger to contact the backrest support surface directly.
  • the shell element is arranged exclusively in a lower area of the backrest.
  • an advantageously compact design of the seat device can be achieved in the lower area of the backrest.
  • a targeted reinforcement of the lower area of the backrest can thereby advantageously be achieved, in particular in an area in which a passenger's buttocks exert forces on the seat device.
  • the seat device can advantageously be designed to be light and stable at the same time.
  • a “lower area of the backrest” should preferably be understood to mean an area of the backrest that is closer to a seat bottom of the seat and/or the stand-up unit of the seat than to an upper edge of the backrest.
  • the lower area of the backrest is preferably arranged in a lower half, in particular in a lower third, of the backrest.
  • the lower area of the backrest preferably extends from the stand unit and/or the seat base in the direction of the upper edge of the backrest.
  • the lower portion extends from the seat bottom to a lumbar region of an average passenger.
  • the shell element preferably functions as a lumbar support.
  • An upper area of the backrest is preferably free of the shell element.
  • the upper area of the backrest is particularly preferably free of a shell element which is connected to the lateral frame elements and which at least partially forms the backrest support surface.
  • the upper area of the backrest is preferably entirely free of a shell element, which is arranged in an area of the backrest facing the passenger and which at least partially forms the backrest support surface.
  • an “upper area of the backrest” should preferably be understood to mean an area of the backrest that is closer to the upper edge of the backrest than to the seat bottom of the seat and/or the stand unit of the seat device.
  • the upper area of the backrest is preferably arranged in an upper third, in particular in an upper quarter, of the backrest.
  • the upper area of the backrest is preferably arranged in an area above a shoulder area of a passenger, in particular an average passenger. “Disposed exclusively in a lower area of the backrest” should preferably be understood to mean that the shell element does not extend into the upper area of the backrest.
  • functional components of the seat device can be arranged above the shell element, in particular in the upper area of the backrest, which can be designed in particular in the manner of a shell, but do not form any part, in particular directly, of the backrest support surface.
  • a functional component could be designed in the upper area of the backrest, for example as a receiving structure for a headrest or as a crossbeam unit that connects the side frame elements to one another.
  • the shell member is free of Recesses each forming an area larger than 50 cm 2 and formed as a through hole.
  • the shell element is free of stiffening elements on the front side of the shell element.
  • the backrest has at least one covering element which is coupled to the base frame and to the shell element and which partially forms the backrest support surface.
  • an advantageous need-based force absorption can be achieved in different areas of the backrest.
  • this configuration allows a backrest support surface to be provided from a plurality of components coupled to one another.
  • a particularly advantageous backrest support surface can be provided with regard to different support forces.
  • an advantageously durable and long-lasting backrest can be achieved with this configuration.
  • a particularly advantageous design of the seat device can be achieved.
  • the at least one covering element is preferably formed at least essentially from a textile.
  • the at least one covering element is preferably clamped into the base frame.
  • the at least one covering element is preferably stretched between the lateral frame elements.
  • the at least one covering element is preferably connected to the lateral frame elements at least in a form-fitting manner.
  • the at least one covering element preferably has welts on its lateral ends, which are each intended to be coupled to a welt rail of the lateral frame elements.
  • the at least one covering element can be glued to the lateral frame elements, in particular at its lateral ends, and/or at least partially spanned around the lateral frame elements.
  • the at least one covering element preferably extends over in particular at least 30%, preferably at least 40% and particularly preferably over at least 50% of a maximum longitudinal extent of the backrest.
  • the shell element and the at least one covering element preferably together at least essentially form the backrest support surface.
  • the covering element is arranged between the shell element and a cross member of the backrest, the Cross member is arranged in the upper part of the backrest.
  • the cross member connects the side frame members together.
  • the cross member can be part of the base frame.
  • the upper area of the backrest preferably extends from the top edge of the backrest in the direction of the stand unit and/or the seat base.
  • the cross member forms the upper edge of the backrest.
  • the cross member it would also be conceivable for the cross member to be spaced apart from the upper edge of the backrest.
  • the cross member it is also conceivable for the cross member to be part of a cross member unit which connects the lateral frame elements in the upper region of the backrest to one another by means of at least two cross connections, the cross connections being made up of the cross member and a further cross member which is at a distance from the cross member but with this is connected via the cross member unit are formed.
  • the at least one covering element is preferably arranged at least essentially in an area above the shell element.
  • the at least one covering element is preferably connected to the cross member, in particular at its upper end.
  • the shell element has at least one connection area in which the covering element is connected to the shell element.
  • This configuration allows the at least one covering element and the shell element to be advantageously coupled to one another. This configuration can in particular ensure that the backrest support surface transitions without interruption from the shell element to the at least one covering element.
  • a particularly advantageous design of the seat device can be achieved with regard to support and comfort.
  • the at least one covering element preferably contacts the shell element.
  • the at least one covering element is preferably non-positive and/or form-fitting, in particular in the at least one connection area connected to the shell element.
  • a “connection area” should preferably be understood to mean an area in which the at least one covering element and the shell element are connected to one another.
  • the shell element and the at least one covering element are preferably arranged so that they overlap in an area above the at least one connection area.
  • the at least one covering element and the shell element are preferably connected to one another by means of at least one hook and loop connection.
  • the at least one covering element and the shell element can be connected to one another by means of at least one snap fastener.
  • other connecting means which appear suitable to a person skilled in the art for the non-positive and/or positive connection of the at least one covering element to the shell element are also conceivable.
  • the shell element preferably has at least one recess which is provided for connecting the at least one covering element to the shell element.
  • the at least one recess is preferably designed as a through hole.
  • the at least one recess is preferably designed in the manner of a slot.
  • the at least one recess is preferably arranged in the at least one connection area.
  • the shell element and the at least one covering element are preferably arranged so that they overlap in a region above the at least one recess.
  • the at least one covering element is preferably guided through the at least one recess.
  • the looped-and-flap connection particularly preferably extends from the front side of the shell element through the at least one recess to a rear side of the shell element. As a result, an advantageously reliable and firm connection can be achieved.
  • the shell element preferably has at least one recess.
  • a "depression” should preferably be understood to mean a bulge of the shell element in the direction of the rear side of the shell element.
  • the at least one depression on the front side of the shell element preferably has a concave shape.
  • the at least one depression is provided to accommodate a volume of a loop and flap connection via which the padding element or the cover element is connected directly to the shell element.
  • the shell element has at least one passage that forms an assembly area for connecting the backrest, in particular a connection of the lateral frame elements, to the stand unit.
  • the seat device preferably comprises two bearing units which are each arranged at least partially in one of the lateral frame elements.
  • the backrest is preferably connected, in particular the connection of the lateral frame elements, to the stand unit by means of the two bearing units.
  • An “assembly area” should preferably be understood as an area that is required to connect the backrest for components to be installed, such as parts of the bearing units, and/or tools.
  • the at least one passage is preferably provided to provide access from the backrest support surface to at least one of the storage units.
  • a “leadthrough” should preferably be understood to mean a section from the shell element.
  • the at least one passage preferably extends through the shell element.
  • the backrest support surface is preferably interrupted at the at least one passage.
  • the passage preferably forms an area which is in particular at most 50 cm 2 , preferably at most 30 cm 2 and particularly preferably at most 15 cm 2 .
  • the at least one passage is preferably arranged in a lateral area of the shell element.
  • the at least one passage is preferably arranged between the lateral frame elements. Basically, it is conceivable that the at least one passage is at least partially arranged in a recess of the shell element.
  • the at least one passage is preferably intersected by a backrest pivot axis.
  • the backrest is preferably mounted pivotably to the stand unit via the backrest pivot axis.
  • the bearing units are preferably provided for the purpose of pivoting the backrest of the stand unit.
  • the backrest pivot axis is preferably guided from a space behind the shell element through the at least one passage to the front side of the shell element.
  • the shell element has an extension in an upper region of the shell element, which extends in the direction of the cross member.
  • This configuration can advantageously support the back of a passenger.
  • an advantageously continuous transition of the backrest support surface from the shell element to the at least one covering element can be achieved.
  • the extension is located at a center of the top portion of the shell member.
  • the extension preferably forms a transition to the at least one covering element, which overlaps with the covering element.
  • the at least one covering element preferably contacts the shell element on the front side of the shell element.
  • the shell element has a convex shape in the direction of the stand plane in a lower region of the shell element.
  • This configuration can advantageously support a passenger's buttocks. As a result, supporting forces can advantageously be reliably absorbed by the shell element.
  • the shell element preferably has a lower edge which has a convex shape in the direction of the stand plane.
  • the shell element is connected to the cross member of the backrest on an upper side of the shell element.
  • the shell element is firmly connected to the cross member at its upper end.
  • the shell element extends over at least 60% of a maximum longitudinal extension of the backrest.
  • an advantageously simple and quick assembly of the seat device can take place.
  • an advantageously uninterrupted backrest support surface can be provided by this configuration.
  • an advantageous large-area absorption of supporting forces can be achieved by this configuration.
  • This can a particularly advantageous design of the seat device can be achieved.
  • the shell element preferably extends from a lower area of the backrest to an upper area of the backrest.
  • the shell member extends from a shoulder area to at least a lumbar area of an average passenger.
  • the cross member is preferably arranged in the shoulder area or above the shoulder area.
  • the shell element comprises at least one functional element which is formed onto the shell element, in particular molded onto it.
  • the shell element can be designed in a particularly variable and versatile manner.
  • edge protection for the shell element can advantageously be provided by this configuration. This achieves a particularly advantageous design of the seat device.
  • a “functional element” should preferably be understood to mean an element that is provided to fulfill a predetermined function.
  • the at least one functional element is preferably designed as a fastening element, by means of which at least one unit and/or at least one element can be fastened to the shell element.
  • the shell element, which is designed in particular as an organo sheet, is preferably formed into its final shape in a production step, it being possible for the at least one functional element to be injection molded onto the shell element at the same time.
  • the at least one functional element is arranged on at least one lateral end of the shell element and forms a receiving space for a cover fastening element.
  • the at least one lateral end of the shell element is preferably arranged outside of the base frame.
  • the receiving space is preferably designed as an undercut, as a result of which the cover fastening element is held in the receiving space in a mounted state.
  • the cover fastening element is preferably provided for fastening the at least one cover element to the backrest.
  • Reference fastener coupled to the at least one reference element.
  • the reference fastening element can be firmly connected to the at least one reference element.
  • the cover fastening element can be slidably guided, at least in sections, in a channel of the at least one cover element.
  • the cover fastening element can be designed as a cable, as a cord, as a band or as another fastening means that appears suitable to the person skilled in the art.
  • the cover fastening element can be designed to be elastic, for example as an expander cable.
  • the at least one functional element is arranged on the rear side of the shell element and is provided for connecting at least one functional component to the backrest.
  • This configuration enables an advantageously simple attachment of the at least one functional component, which is provided for use by a passenger sitting behind the backrest.
  • additional components to be mounted on the base frame can advantageously be dispensed with.
  • the at least one functional element is preferably designed as a fastening element, in particular as a screw insert.
  • a literature bag can preferably be attached to the shell element by means of the at least one functional element.
  • a table device and/or a screen to be attached to the shell element by means of the at least one functional element.
  • the at least one functional element is preferably provided in addition to a reinforcement, in particular a stiffening, of the shell element in the lower area of the backrest.
  • a “visible surface” should preferably be understood to mean a surface that can be viewed directly from an environment, in particular from an area behind the seat, in a fully assembled state of the seat, in particular without manipulating the seat.
  • the shell element preferably forms at least a lower part of the rear visible surface of the backrest.
  • the backrest has a further shell element which at least essentially closes off the backrest to the rear and forms a rear visible surface of the backrest, the shell element and the further shell element being directly connected to one another. With this configuration, a particularly compact seat device with an advantageously small depth can be provided. As a result, a living space can be advantageously increased.
  • the shell element and the further shell element are preferably connected to one another in an area between the lateral frame elements.
  • the further shell element is preferably designed as a hot-formed sheet metal, in particular aluminum sheet metal.
  • the further shell element can be formed from a plastic, in particular fiber-reinforced plastic, or from another material that appears suitable to a person skilled in the art.
  • the seat device according to the invention and the aircraft seat according to the invention should not be limited to the application and embodiment described above.
  • the seat device according to the invention and the aircraft seat according to the invention can have a number of individual elements, components and units that differs from the number specified here in order to fulfill a function described herein.
  • Fig. 1 is a schematic representation of an inventive
  • Aircraft seat viewed from one side in a first embodiment
  • FIG. 2 shows a schematic representation of a seat device according to the invention in the first embodiment viewed from the front
  • Fig. 3 is a schematic partial representation of the invention
  • FIG. 4 is a schematic partial representation of the invention
  • FIG. 5 shows a schematic representation of a seat device according to the invention in a second embodiment viewed from the front
  • FIG. 6 shows a schematic representation of the seat device according to the invention in the second exemplary embodiment viewed from the rear
  • FIG. 7 shows a schematic sectional view of the seat device according to the invention in the second embodiment viewed from above
  • FIG. 8 shows a schematic representation of a seat device according to the invention in a third embodiment viewed from the front
  • FIG. 9 shows a schematic representation of the seat device according to the invention in the third exemplary embodiment viewed from behind
  • FIG. 10 shows a schematic representation of the seat device according to the invention in the third exemplary embodiment viewed from below.
  • FIG. 1 shows a seat which is designed as an aircraft seat 10a.
  • the aircraft seat 10a is designed as an economy class aircraft seat.
  • the aircraft seat 10a includes a seat device 12a.
  • the seat device 12a is designed as an aircraft seat device.
  • the seat device 12a is intended to be mounted on the aircraft seat 10a.
  • the aircraft seat 10a includes a stand unit 14a.
  • the aircraft seat 10a is to provided to be elevated by means of the stand unit 14a on a stand level 16a.
  • the aircraft seat 10a includes a seat bottom 18a.
  • the aircraft seat 10a can be part of an aircraft bench seat, which preferably comprises at least two aircraft seats.
  • the seat device 12a is shown in detail.
  • the seat device 12a includes a backrest 20a.
  • the backrest 20a is connected to the stand unit 14a.
  • the backrest 20a is pivotably mounted relative to the stand unit 14a.
  • the backrest 20a can also be mounted rigidly on the stand unit 14a.
  • the backrest 20a has a backrest support surface 22a.
  • the backrest support surface 22a is provided to absorb the supporting forces of a passenger, in particular a passenger's back.
  • the backrest 20a has a base frame 24a.
  • the base frame 24a is pivotally mounted to the stand unit 14a.
  • the base frame 24a is provided for the purpose of transmitting forces introduced into the backrest 20a, in particular supporting forces of the passenger, to the stand unit 14a.
  • the base frame 24a includes two side frame members 26a, 28a.
  • the two lateral frame elements 26a, 28a are provided for dissipating forces introduced into the backrest 20a, in particular supporting forces of the passenger, into the stand unit 14a.
  • the lateral frame members 26a, 28a are coupled to the stand unit 14a.
  • the lateral frame elements 26a, 28a are each arranged at least essentially in a lateral outer area of the backrest 20a.
  • the lateral frame elements 26a, 28a are each designed as a hollow profile.
  • the lateral frame elements 26a, 28a each have a piping rail.
  • the lateral frame elements 26a, 28a each extend at least essentially along the backrest support surface 22
  • the backrest 20a has a shell element 30a.
  • the shell element 30a is shown in simplified form in FIG. 2, whereas the shell element 30a is shown in detail in FIGS.
  • the shell member 30a is attached to the side frame members 26a, 28a.
  • the shell element 30a partially forms the backrest support surface 22a.
  • the shell element 30a is provided to the shell element 30a acting supporting forces of the passenger in the initiate base frame 24a.
  • the shell element 30a, in particular the backrest support surface 22a is intended to absorb the supporting forces of a passenger and to introduce them into the lateral frame elements 26a, 28a.
  • the shell member 30a has a concave shape on a front side 32a of the shell member 30a.
  • the front side 32a of the shell element 30a partially forms the backrest support surface 22a.
  • the shell member 30a is disposed at least for the most part between the side frame members 26a, 28a.
  • the shell element 30a overlaps the lateral frame elements 26a, 28a on opposite outer sides of the base frame 24a in at least one area.
  • the shell element 30a is placed on the side frame elements 26a, 28a on a front side of the base frame 24a. In principle, however, other couplings of the shell element 30a to the base frame 24a are also conceivable.
  • the shell element 30a is directly connected to the lateral frame elements 26a, 28a. In the present case, the shell element 30a is non-positively and/or positively connected to the lateral frame elements 26a, 28a.
  • the shell element 30a is riveted to the lateral frame elements 26a, 28a.
  • the shell element 30a could be materially connected to the lateral frame elements 26a, 28a.
  • the shell element 30a could be connected to the lateral frame elements 26a, 28a via an adhesive connection.
  • the shell element 30a is formed separately from the base frame 24a in a completely finished state of the shell element 30a, in particular as an individual component, and in an unassembled state of the seat device 12a, in particular the backrest 20a.
  • the shell element 30a is arranged exclusively in a lower region 34a of the backrest 20a.
  • the lower region 34a of the backrest 20a is arranged in a lower third of the backrest 20a.
  • An upper area 50a of the backrest 20a is free of the shell element 30a.
  • the shell member 30a does not extend into the upper portion 50a of the backrest 20a.
  • the terms “bottom” and “top” each refer to a fully assembled state of the aircraft seat 10a with the seat device 12a.
  • the lower region 34a of the backrest 20a extends from the stand unit 14a and/or the seat bottom 18a in the direction of an upper edge 36a of the backrest.
  • the lower portion 34a extends from the seat bottom 18a to a lumbar region of an average passenger.
  • the shell element 30a acts as a lumbar support.
  • the shell element 30a In a lower region 38a of the shell element 30a, the shell element 30a has a convex shape in the direction of the stand plane 16a.
  • the shell element 30a has a lower edge 40a which has a convex shape in the direction of the stand plane 16a.
  • the shell element 30a is formed at least partially from a fiber composite material, in particular with glass fibers and/or carbon fibers.
  • the shell element 30a is formed at least essentially from an organo sheet.
  • the shell element 30a can also be formed from a prepreg material or another fiber-reinforced material that appears suitable to a person skilled in the art.
  • the shell element 30a can be formed at least partially from a metallic material.
  • the shell element 30a can at least partially form a visible rear surface 42a of the backrest 20a. In principle, however, the shell element 30a can also be covered on its rear side 44a, so that it is not visible from the outside when the seat device 12a is in a fully assembled state.
  • the backrest 20a has a covering element 46a.
  • the covering element 46a is coupled to the base frame 24a and to the shell element 30a.
  • the skin element 46a contacts the shell element 30a.
  • the covering element 46a contacts the shell element 30a on the front side 32a of the shell element 30a.
  • the covering element 46a partially forms the backrest support surface 22a.
  • the covering element 46a is formed at least essentially from a textile.
  • the covering element 46a is clamped in the base frame 24a.
  • the covering element 46a is stretched between the lateral frame elements 26a, 28a.
  • the covering element 46a is at least positively connected to the lateral frame elements 26a, 28a.
  • the covering element 46a has piping at its lateral ends.
  • the welts are each intended to be coupled to one of the welt rails of the side frame members 26a, 28a.
  • the covering element 46a extends over at least 40% of a maximum longitudinal extension of the backrest 20a.
  • the shell element 30a and the covering element 46a together at least essentially form the backrest support surface 22a.
  • the covering element 46a is arranged at least essentially in an area above the shell element 30a.
  • the covering element 46a is arranged between the shell element 30a and a cross member 48a of the backrest 20a.
  • the covering element 46a is connected to the cross member 48a, in particular at its upper end.
  • the covering element 46a is non-positively and/or positively connected to the cross member 48a.
  • the cross member 48a is arranged in the upper area 50a of the backrest 20a.
  • the cross member 48a is part of a cross member unit, not shown in detail, which is arranged in the upper region 50a of the backrest 20a and connects the lateral frame elements 26a, 28a to one another.
  • the upper region 50a of the backrest 20a is arranged in an upper third of the backrest 20a.
  • the cross member 48a connects the lateral frame elements 26a, 28a to one another.
  • the cross member 48a is arranged in a shoulder area of an average passenger.
  • the upper region 50a of the backrest 20a extends from the top edge 36a of the backrest in the direction of the stand plane 16a.
  • the cross member 48a is spaced from the upper edge 36a of the backrest in the direction of the stand plane 16a. In principle, however, it would also be conceivable for the cross member 48a to form the upper edge 36a of the backrest, apart from a reference element and/or macassar that may be arranged there.
  • the cross member 48a can be part of the base frame 24a.
  • the lateral frame elements 26a, 28a and the cross member 48a it would also be conceivable for the lateral frame elements 26a, 28a and the cross member 48a to be designed as a continuous backrest bracket. In this case, the backrest bracket would form the base frame 24a.
  • the shell element 30a has an extension 54a in an upper region 52a of the shell element 30a.
  • the extension 54a extends in the direction of the cross member 48a of the backrest 20a.
  • the extension 54a is located at a center of the top portion 52a of the shell member 30a.
  • the extension 54a forms a transition to the covering element 46a, which overlaps with the covering element 46a.
  • the shell element 30a has two connection areas 56a, 58a.
  • the covering element 46a is connected to the shell element 30a in the connection areas 56a, 58a.
  • the covering element 46a is non-positively and/or positively connected to the shell element 30a, in particular in the connection areas 58a, 58a.
  • the shell element 30a and the covering element 46a are arranged so that they overlap in an area above the connection areas 56a, 58a.
  • the skin element 46a and the shell element 30a are connected to one another by means of loop and hook connections 60a, 62a.
  • the covering element 46a and the shell element 30a can be connected to one another by means of at least one snap fastener.
  • other connecting means which appear suitable to the person skilled in the art for the non-positive and/or positive connection of the covering element 46a to the shell element 30a are also conceivable.
  • the shell element 30a has two recesses 64a, 66a, which are provided for connecting the covering element 46a to the shell element 30a.
  • the recesses 64a, 66a are each formed as a through hole through the shell element 30a.
  • the recesses 64a, 66a are designed like slots.
  • the recesses 64a, 66a are arranged in the connection areas 56a, 58a.
  • the shell element 30a and the covering element 46a are arranged in an overlapping manner in a region above the recesses 64a, 66a.
  • the covering element 46a is guided through the recesses 64a, 66a.
  • the loop-and-flap connections 60a, 62a each extend from the front face 32a of the shell member 30a through the recesses 64a, 66a to the back face 44a of the shell member 30a.
  • the covering element 46a forms two connecting extensions 70a, 72a on its underside 68a, which are each guided through one of the recesses 64a, 66a.
  • the connecting extensions 70a, 72a are guided from the front side 32a of the shell element 30a through the recesses 64a, 66a to the rear side 44a of the shell element 30a.
  • the covering element 46a merely contacts the shell element 30a, in particular at the extension 54a, but is not connected directly to the shell element 30a.
  • the seat device 12a includes two bearing units 76a, 78a.
  • the bearing units 76a, 78a are provided to pivot the backrest 20a to the stand unit 14a to store.
  • the storage units 76a, 78a are each at least partially arranged in one of the lateral frame elements 26a, 28a.
  • the connection of the backrest 20a, in particular the connection of the lateral frame elements 26a, 28a, to the stand unit 14a takes place by means of the two bearing units 76a, 78a.
  • the backrest 20a is pivotably mounted on the stand unit 14a via a backrest pivot axis 80a.
  • the shell element 30a has two passages 82a, 84a.
  • the passages 82a, 84a each form an assembly area for connecting the backrest 20a, in particular a connection of the lateral frame elements 26a,
  • the passages 82a, 84a are each formed as a through hole through the shell member 30a.
  • the passages 82a, 84a are each provided to provide access from the seat back support surface 22a to one of the storage units 76a, 78a.
  • the passages 82a, 84a each form an area that is at most 15 cm 2 .
  • the bushings 82a, 84a are arranged between the lateral frame elements 26a, 28a.
  • the passages 82a, 84a are each arranged in a lateral area of the shell element 30a.
  • the passages 82a, 84a are each intersected by the backrest pivot axis 80a.
  • the backrest pivot axis 80a intersects the backrest support surface 22a.
  • the backrest pivot axis 80a is guided from a first bearing unit 76a of the bearing units 76a, 78a via a space behind the shell element 30a through a first passage 82a of the passages 82a, 84a to the front side 34a of the shell element 30a.
  • the backrest pivot axis 80a is guided from the front side 34a of the shell element 30a through a second passage 84a of the passages 82a, 84a via a space behind the shell element 30a to a second bearing unit 78a of the bearing units 76a, 78a.
  • the backrest support surface 22a is interrupted at the passages 82a, 84a.
  • the seat device 12a it would be conceivable for the seat device 12a to have at least one filling element, which is arranged in the passages 82a, 84a when the seat device 12a is in a mounted state, and the passages 82a, 84a at least substantially fills in This can provide an advantageously continuous and uninterrupted seat back support surface 22a.
  • the seat device 12a includes a cushion element 86a.
  • the padding element 86a covers the shell element 30a.
  • the padding element 86a covers the covering element 46a.
  • the padding element 86a transfers the passenger's supporting forces to the backrest supporting surface 22a.
  • the covering element 46a is designed as rear springing for the cushion element 86a.
  • the cushion element 86a is arranged between the backrest support surface 22a and the passenger. In principle, it would also be conceivable to dispense with the padding element 86a.
  • the seat device 12a comprises a plurality of loop and hook connections 74a, 88a, 90a, 92a, 94a for connecting the upholstered element 86a to the backrest 20a.
  • the padding element 86a contacts the covering element 46a on a front side of the covering element 46a.
  • the padding element 86a is connected to the covering element 46a by means of the loop and hook connections 88a, 90a.
  • the pad member 86a contacts the shell member 30a on the front face 32a of the shell member 30a.
  • Pad member 86a is connected to shell member 30a by hook and loop connections 74a, 92a, 94a.
  • the loop and hook connections 74a, 92a, 94a are located in indentations of the shell member 30a.
  • the depressions have a concave shape on the front side 34a of the shell element 30a.
  • the indentations are intended to accommodate a volume of the hook and loop connections 74a, 92a, 94a by which the cushion member 86a is directly attached to the shell member 30a.
  • the passages 82a, 84a are at least partially arranged in one of the recesses.
  • the bushings 82a, 84a are arranged on lateral ends of this depression that face away from one another. Such an arrangement of the bushings 82a,
  • the seat device 12a includes a reference element 96a.
  • the reference element 96a covers the cushion element 86a.
  • the reference element 96a is designed as a protection for the cushion element 86a, in particular with regard to wear and tear and dirt.
  • the reference element is between the backrest support surface 22a and the passenger 96a arranged. Alternatively, it would also be conceivable for the passenger to contact the backrest support surface 22a directly, with the shell element 30a being designed as a visible component.
  • the padding element 86a is arranged between the shell element 30a and the cover element 96a.
  • the padding element 86a is arranged between the covering element 46a and the reference element 96a.
  • the seat device 12a includes a headrest unit 98a, which is arranged in the upper region 50a of the backrest 20a.
  • the headrest unit 98a forms part of the backrest support surface 22a.
  • the shell element 30a, the covering element 46a and the headrest unit 98a together form the backrest support surface 22a.
  • the headrest unit 98a can be dispensed with. It is conceivable that the covering element 46a extends at least substantially up to the upper edge 36a of the backrest.
  • the seat device 12a includes a covering element 100a.
  • the covering element 100a is arranged on a rear side of the backrest 20a.
  • the cladding element 100a is coupled to the base frame 24a.
  • the cladding element 100a is provided for cladding the backrest 20a, in particular the base frame 24a, on a side of the backrest 20a facing away from the backrest support surface 22a.
  • the covering element 100a forms at least a large part of the rear visible surface 42a of the backrest 20a.
  • the cladding element 100a can be provided to connect the reference element 96a.
  • FIGS. 1 to 4 Two further exemplary embodiments of the invention are shown in FIGS.
  • the following descriptions and the drawings are essentially limited to the differences between the exemplary embodiments, whereby with regard to components with the same designation, in particular with regard to components with the same reference numbers, the drawings and/or the description of the other exemplary embodiments, in particular Figures 1 to 4, can be referred.
  • the letter a follows the reference number of the exemplary embodiment in FIGS.
  • the letter a has been replaced by the letters b and c.
  • a seat device 12b is shown in a second embodiment.
  • the seat device 12b is part of an aircraft seat.
  • the seat device 12b includes a backrest 20b.
  • the backrest 20b has a backrest support surface 22b.
  • the backrest 20b has a base frame 24b.
  • the base frame 24b includes two side frame members 26b, 28b.
  • the lateral frame elements 26b, 28b each have a piping rail 102b.
  • the backrest 20b has a shell element 30b.
  • the shell element 30b forms the backrest support surface 22b at least essentially completely.
  • the shell member 30b has a concave shape on a front side 32b of the shell member 30b. In a lower region 38b of the shell element 30b, the shell element 30b has a convex shape in the direction of a stand plane.
  • the shell element 30b has a lower edge 40b which has a convex shape in the direction of the stand plane.
  • the backrest 20b has a cross member 48b.
  • the cross member 48b is part of a cross member unit which connects the lateral frame elements 26b, 28b to one another in an upper area 50b of the backrest 20b by means of two cross connections.
  • the cross connections are formed by the cross member 48b of the backrest 20b and a further cross member 140b of the backrest 20b.
  • the further cross member 140b is arranged above the cross member 48b and spaced from the cross member 48b.
  • the further cross member 140b is connected to the cross member 48b via the cross member unit.
  • the additional cross member 140b forms a backrest upper edge 36b of the backrest 20b.
  • the seat device 12b comprises two bearing units 76b, 78b, which are provided for the purpose of bearing the backrest 20b so that it can be pivoted relative to a stand unit of the aircraft seat.
  • the seat device 12b includes a cushion element 86b.
  • the seat device 12b includes a reference element 96b.
  • the seat assembly 12b includes a trim cover fastener 106b.
  • the seat device 12b includes a covering element 100b.
  • the backrest 20b has no covering element.
  • the shell element 30b extends over at least 60% of a maximum longitudinal extension of the backrest 20b.
  • the shell element 30b extends from a lower region 34b of the backrest 20b to the upper region 50b of the backrest 20b.
  • the shell element 30b is connected to the cross member 48b of the backrest 20b on an upper side 104b of the shell element 30b.
  • the shell element 30b is fixedly connected at its upper end to the cross member 48b.
  • At least part of the shell element 30b at least partially forms a visible rear surface 42b of the backrest 20b.
  • the shell element 30b forms at least a lower part of the rear visible surface 42b of the backrest 20b.
  • the shell element 30b has a plurality of slots 108b running at least substantially horizontally.
  • the shell element 30b is formed in one piece.
  • the slots 108b are formed as recesses in the shell element 30b.
  • the slots 108b extend over a length of at least 50% of a maximum transverse extent of the shell element 30b.
  • the slots 108b have a maximum height extension of 3 cm.
  • the slots 108b are arranged in the upper region 50b, in particular in an upper half, of the shell element 30b. Due to the slots 108b, the shell element 30b can advantageously be made flexible, as a result of which an advantageously high level of comfort can be achieved.
  • the shell element 30b comprises a plurality of functional elements 110b, 112b, 114b, 116b, which are formed onto the shell element 30b, in particular injection molded.
  • the shell element 30b which is in particular designed as an organo sheet, is heated in the present case, in particular melted, and formed into its final shape, with the functional elements 110b, 112b, 114b, 116b being formed onto the shell element 30b in the same manufacturing step, in particular by means of injection molding injected.
  • the shell element 30b includes a first functional element 110b.
  • the first functional element 110b is arranged at a lateral end of the shell element 30b.
  • the side end of the shell member 30b is positioned outside of the base frame 24b.
  • the first functional element 110b forms a receiving space 118b for the cover fastening element 106b.
  • the first functional element 110b has an essentially T-shaped cross section.
  • the first functional element 110b could have an essentially L-shaped cross section or another cross section that appears suitable to a person skilled in the art for clamping.
  • the receiving space 118b is designed as an undercut, as a result of which the cover fastening element 106b is held in the receiving space 118b in a mounted state.
  • the first functional element 110b is made of a soft plastic.
  • the reference fastener 106b is intended to To attach reference element 96b to the backrest 20b.
  • the reference fastener 106b is coupled to the reference element 96b.
  • the reference fastening element 106b can be firmly connected to the reference element 96b.
  • the cover fastener 106b can be slidably guided, at least in part, in a channel of the cover element 96b.
  • the cover fastening element 106b is designed as a cable, as a cord or as a band.
  • the cover attachment element 106b can be designed to be elastic, for example as an expander cable.
  • the reference element 96b is arranged directly between the cladding element 100b and the first functional element 110b.
  • the cladding element 100b and the first functional element 100b form a clamping gap which is intended to fix the reference element 96b in a non-positive manner, in particular by friction.
  • the covering element 100b clamps the reference element 96b against the first functional element 110b.
  • the shell element 30b comprises a second functional element 112b, which is arranged on a lateral end of the shell element 30b opposite the first functional element 110b.
  • the second functional element 112b is configured identically to the first functional element 110b except for a mirror-inverted arrangement.
  • the shell element 30b comprises a third functional element 114b and a fourth functional element 116b.
  • the third functional element 114b and the fourth functional element 116b are arranged on a rear side 44b of the shell element 30b and are provided for connecting a functional component, not shown in any more detail, to the backrest 20b.
  • the third functional element 114b and the fourth functional element 116b each form a fastening element, in particular a screw insert.
  • the fastening elements, in particular the screw inserts are made of a metallic material. The fastening elements are inserted in the same production step in which the functional elements 114b, 116b are formed onto the shell element 30b and are formed onto the shell element 30b by means of injection molding.
  • a functional component embodied as a literature bag can be attached to the shell element 30b, for example.
  • the third Functional element 114b and the fourth functional element 116b are each provided in addition to a reinforcement, in particular a stiffening, of the shell element 30b in the lower region 34b of the backrest 20b.
  • the third functional element 114b and the fourth functional element 116b each form at least one stiffening rib.
  • the seat assembly 12b includes a backrest bridge 120b.
  • the backrest bridge 120b is arranged behind the shell element 30b.
  • the seat back bridge 120b is disposed on top of the upper portion 50b of the shell member 30b.
  • the backrest bridge 120b connects the lateral frame elements 26b, 28b to one another.
  • the backrest bridge 120b is intended to stiffen the base frame 24b.
  • the backrest bridge 120b is intended to provide a connection for at least one additional functional component.
  • the additional functional component can be designed, for example, as a table device and/or as a screen.
  • a seat device 12c is shown in a third embodiment.
  • the seat device 12c is part of an aircraft seat.
  • the seat device 12c includes a backrest 20c.
  • the backrest 20c has a backrest support surface 22c.
  • the backrest 20c has a base frame 24c.
  • the base frame 24c includes two side frame members 26c, 28c.
  • the base frame 24c has an upper frame member 138c.
  • the upper frame element 138c is designed as a cross member 48c of the backrest 20c.
  • the side frame members 26c, 28c are connected to one another via the top frame member 138c.
  • the base frame 24c is formed in one piece.
  • the backrest 20c has a shell element 30c.
  • the shell member 30c has a concave shape on a front side 32c of the shell member 30c.
  • the shell element 30c partially forms the backrest support surface 22c.
  • the shell element 30c extends over at least 80% of a maximum length of the backrest 20c.
  • the shell element 30c extends from a lower region 34c of the backrest 20c to an upper region 50c of the backrest 20c.
  • the shell element 30c is connected to the cross member 48c at an upper side 104c of the shell element 30c.
  • the seat assembly 12c can include a padding element and/or a covering element.
  • the backrest 20c is rigidly mounted on a stand unit of the aircraft seat.
  • the backrest 20c has a further shell element 122c.
  • the further shell element 122c extends over at least 80% of a maximum longitudinal extent of the backrest 20c.
  • the further shell element 30c extends from the lower region 34c of the backrest 20c to the upper region 50c of the backrest 20c.
  • the further shell element 122c closes off the backrest 20c at least essentially to the rear.
  • the further shell element 122c forms a rear visible surface 42c of the backrest 20c.
  • the further shell element 122c has a concave shape on a side facing away from the back of the shell element 30c, which forms the rear visible surface 42c of the backrest 20c.
  • the further shell element 122c is designed as a covering element which at least essentially completely covers a rear side of the backrest 20c.
  • the further shell element 122c is free of functional components that could be mounted on the back of the backrest 20c.
  • the further shell element 122c it is also conceivable for the further shell element 122c to be provided for integrating at least one functional component on the rear side of the backrest 20c.
  • the shell element 30c and the further shell element 122c are directly connected to one another.
  • the shell element 30c and the further shell element 122c are connected to one another in an area between the lateral frame elements 26c, 28c.
  • the shell member 30c rests on the base frame 24c on a front side of the base frame 24c.
  • the further shell element 122c rests on the base frame 24c on a rear side of the base frame 24c.
  • the seat device 12c forms an intermediate space 124c with an at least essentially triangular cross section between the shell element 30c, the lateral frame element 26c and the further shell element 122c (cf. FIG. 10).
  • the seat device 12c forms a further intermediate space 126c with an at least essentially triangular cross section between the shell element 30c, the lateral frame element 28c and the further shell element 122c.
  • the further shell element 122c is designed as a hot-formed sheet metal, in particular aluminum sheet metal.
  • the further shell element 122c a plastic, in particular fiber-reinforced plastic, or from another material that appears suitable to the person skilled in the art.
  • the shell element 30c has a plurality of recesses 128c, 130c, 132c.
  • the further shell element 122c is arranged directly behind the recesses 128c, 130c, 132c.
  • the further shell element 122c partially forms the backrest support surface 22c.
  • the recesses 128c, 130c, 132c are arranged in a central area within the base frame 24c, in which the shell element 30c and the further shell element 122c are connected directly to one another.
  • the recesses 128c, 130c, 132c extend over a width of at most 75% of a maximum transverse extent of the shell element 30c.
  • the recesses 128c, 130c, 132c are separated from one another by at least two webs 134c, 136c of the shell element 30c running continuously in a transverse direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

L'invention concerne un dispositif de siège (12a, 12b, 12c), en particulier un dispositif de siège d'aéronef, ledit dispositif de siège comprenant un dossier (20a, 20b, 20c) comportant : un cadre de base (24a, 24b, 24c) qui comprend deux éléments de cadre latéraux (26a, 28a, 26b, 28b, 26c, 28c) ; et un élément de coque (30a, 30b, 30c) qui est relié aux éléments de cadre latéraux (26a, 28a, 26b, 28b, 26c, 28c) et dont au moins une partie forme une surface de support de dossier (22a, 22b, 22c).
EP22737632.4A 2021-06-25 2022-06-24 Dispositif de siège Pending EP4359303A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021116542.3A DE102021116542A1 (de) 2021-06-25 2021-06-25 Sitzvorrichtung
PCT/EP2022/067401 WO2022269061A1 (fr) 2021-06-25 2022-06-24 Dispositif de siège

Publications (1)

Publication Number Publication Date
EP4359303A1 true EP4359303A1 (fr) 2024-05-01

Family

ID=82399374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22737632.4A Pending EP4359303A1 (fr) 2021-06-25 2022-06-24 Dispositif de siège

Country Status (5)

Country Link
US (1) US20240278920A1 (fr)
EP (1) EP4359303A1 (fr)
CN (1) CN117897336A (fr)
DE (1) DE102021116542A1 (fr)
WO (1) WO2022269061A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019135393A1 (de) * 2019-12-20 2021-06-24 Recaro Aircraft Seating Gmbh & Co. Kg Flugzeugsitzvorrichtung, Flugzeugsitz, Verfahren zur Herstellung der Flugzeugsitzvorrichtung und Baukastensystem

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0197167B1 (fr) * 1985-04-04 1988-10-26 Ignaz Vogel GmbH & Co KG, Fahrzeugsitze Siège double pour passagers
US6644738B2 (en) 2001-11-21 2003-11-11 B E Aerospace, Inc. Aircraft passenger seat frame construction
US7458643B2 (en) * 2002-11-27 2008-12-02 Be Aerospace, Inc. Aircraft passenger seat with forward arm rest pivot
DE10351692A1 (de) 2003-11-05 2005-06-16 Recaro Aircraft Seating Gmbh & Co. Kg Sitz, insbesondere Fluggastsitz
DE102004044235A1 (de) 2004-09-14 2006-03-30 Recaro Aircraft Seating Gmbh & Co. Kg Fahrgastsitz, insbesondere Fluggastsitz
WO2007031216A1 (fr) * 2005-09-15 2007-03-22 Autoflug Gmbh Siege textile en suspension dans un cadre de support textile
AT505212B1 (de) 2007-04-13 2010-11-15 Greiner Purtec Gmbh Sitz, insbesondere für öffentliche verkehrsmittel
DE102008002974A1 (de) 2008-07-29 2010-02-04 Dauphin Entwicklungs- U. Beteiligungs-Gmbh Rückenlehne für einen Stuhl und Stuhl
DE102008051603A1 (de) 2008-10-14 2010-04-15 Lufthansa Technik Ag Sitz für ein Verkehrsmittel
US8366044B2 (en) * 2009-10-09 2013-02-05 PAC Seating Systems, Inc. Removable back shell for an aircraft seat
US10182656B2 (en) 2015-04-13 2019-01-22 Steelcase Inc. Seating components with laminated bonding material
US10442329B2 (en) 2017-11-09 2019-10-15 B/E Aerospace Fischer Gmbh Clip and method for attaching and tensioning seat dress covers
DE102019132557A1 (de) 2019-11-29 2021-06-02 Airbus Operations Gmbh Fahrzeugsitz mit netzartiger Struktur in einer Sitzschale

Also Published As

Publication number Publication date
DE102021116542A1 (de) 2022-12-29
WO2022269061A1 (fr) 2022-12-29
US20240278920A1 (en) 2024-08-22
CN117897336A (zh) 2024-04-16

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