EP3987978A1 - Chaise et son procédé de montage - Google Patents

Chaise et son procédé de montage Download PDF

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Publication number
EP3987978A1
EP3987978A1 EP21194950.8A EP21194950A EP3987978A1 EP 3987978 A1 EP3987978 A1 EP 3987978A1 EP 21194950 A EP21194950 A EP 21194950A EP 3987978 A1 EP3987978 A1 EP 3987978A1
Authority
EP
European Patent Office
Prior art keywords
seat
connection
support
chair
designed
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.)
Granted
Application number
EP21194950.8A
Other languages
German (de)
English (en)
Other versions
EP3987978B1 (fr
Inventor
Kurt Buntru
Klaus Maier
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.)
Sedus Stoll AG
Original Assignee
Sedus Stoll AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sedus Stoll AG filed Critical Sedus Stoll AG
Publication of EP3987978A1 publication Critical patent/EP3987978A1/fr
Application granted granted Critical
Publication of EP3987978B1 publication Critical patent/EP3987978B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/02—Dismountable chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/021—Rocking chairs having elastic frames
    • A47C3/023—Rocking chairs having elastic frames made of tubular material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/12—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats with shell-shape seat and back-rest unit, e.g. having arm rests
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/54—Supports for the arms
    • A47C7/546—Supports for the arms of detachable type

Definitions

  • the present invention relates to a chair and a method of assembling the same.
  • WO 1987/005479 A1 describes a chair in which a seat is clamped into a frame, with an additional clamp securing the connection. Upholstery is then secured to the seat by placing the outer edge of the cover in a groove underneath the seat and then securing it with a long elastic band.
  • the object of the present invention is to provide a chair that is easy to assemble.
  • this object is achieved by a chair having the features of patent claim 1 and/or by a method having the features of patent claim 14 .
  • the idea underlying the present invention is to use simple attachable and detachable connections between the individual parts of the chair, so that the recipient, who is generally a final customer, can easily assemble the chair without resorting to the use of tools to have to.
  • At least a frame, a seat support and a seat structure are provided as individual parts of the chair according to the invention. These three individual parts can be connected without tools using appropriate connecting devices and can also be released again without tools. In the detached state, these individual parts can be suitably arranged in such a way that the packaging of a disassembled chair can advantageously be made significantly smaller. All mechanical connection types that meet the requirements for tool-free connection and disconnection can be used as connection devices.
  • the seat support and the seat structure form a seat of the chair.
  • the seat support is designed in one piece and contains a generally more horizontally aligned Seat shell and a generally more vertically aligned backrest.
  • other chair components such as armrests, can also be designed in one piece on the seat support.
  • the seat structure contains a seat of the chair, which is intended for a person to sit down comfortably.
  • the seat can be shaped appropriately shell-shaped.
  • the frame of the chair is designed to support the weight of a person sitting on the chair.
  • This can be any form of frame suitable for the task.
  • the frame can be made of metal, wood or plastic. For its part, it can have a modular structure and can be broken down into further elements.
  • the frame can have first connecting means of the first connecting device for forming the first connection with the seat support. Alternatively, the first connecting means can themselves be connected to the frame.
  • the frame basically has support elements such as chair legs for transferring the weight of the person sitting on the chair to the floor.
  • the first connection means on the frame are designed to form the first connection between the frame and seat support with corresponding first connection means on the seat support.
  • the connecting means of the seat support that correspond to the connecting means of the frame are preferably formed on an underside of the seat shell. However, they can also be formed at a different point, for example on a rear side of the backrest.
  • the seat support is connected to the seat structure via a second connection to form a seat.
  • the seat support and the seat structure are also designed to absorb weight designed for a seated person.
  • the seat thus has a seat surface and a backrest and is preferably used as an office chair.
  • the seat support can be made from wood or plastic, in particular from an injection mold. Special types of wood for an attractive design can also be used.
  • the first and second connections can be made without tools and are designed to be detachable.
  • a connection that can be connected and released "without tools” is to be understood here and throughout the entire patent application as meaning that no tools such as screwdrivers, pliers, Allen keys and the like are required to establish the connection. It is usually sufficient to form the connection to bring the corresponding individual parts together by hand. Also, releasing is done solely by using one person's hands.
  • the first and second connecting devices can be structurally identical devices or structurally different devices.
  • connection means are used, which are fastened and/or formed on the individual parts to be connected.
  • first connecting means are formed (or fastened) on the frame and seat support
  • second connecting means are formed on the seat support and seat structure.
  • the connecting means correspond to one another in such a way that a secure connection is formed between the frame and the seat support and between the seat support and the seat structure.
  • the first and second connecting devices are designed to form a positive connection in each case.
  • a form fit is generally preferable to a force fit due to its lower wear and tear and the lower effort required to form the connection.
  • the connecting devices can also be designed to form a non-positive connection.
  • the first and second connecting device can in particular be designed to form a snap connection, tongue and groove connection, feather key connection or dovetail connection. Such connections are reliable and easy to form with appropriate components.
  • a snap closure is particularly preferred here due to its simple and intuitive connection technology.
  • a snap connection is generally formed in such a way that a joining part deforms elastically when it moves into a counterpart and then then releasably hooks into the counterpart.
  • an armrest support which has at least one armrest. Armrests increase comfort and the user experience and are therefore particularly used in office chairs where a person is expected to sit for a long time.
  • the at least one armrest is designed in one piece with the armrest support.
  • the armrest support and the seat support are connected to one another via a third connecting device. In this way, an armrest can be integrally connected to the seat in a modular manner.
  • the third connection device has third connection means which are designed and arranged in relation to one another in such a way as to form a third connection which can be connected and released without tools to build. This means that the armrest can also be easily attached to the chair.
  • the third connection device is designed to form a positive connection.
  • the third connection device is designed to form a snap connection, tongue and groove connection, feather key connection or dovetail connection.
  • the third connection device can be structurally identical to or different from the first and second connection device. Armrests can be reliably and easily connected to the seat with such a connection.
  • the seat support is designed for connection to the armrest support at a transition area between the seat shell and the backrest.
  • the transition area is typically a rounded area of the seat support, which connects the more vertically oriented backrest with the more horizontally oriented seat shell.
  • the armrest support has a first and second armrest, which are arranged on both sides and are connected to one another via an assembly section of the armrest support.
  • the seat support and the mounting portion of the armrest support are connected to each other via the third connecting device. Both armrests can be connected to the seat support with just a single connection device, which simplifies assembly.
  • the seat structure has a seat cushion, which is provided as a seat surface.
  • the seat pad is designed to increase the comfort of a person sitting on the chair.
  • the seat cushion can in particular have an elastic material, with the degree of elasticity also being able to be adjusted according to the user's wishes.
  • the frame is designed as a cantilever frame.
  • a cantilever chair is particularly popular with office chairs because of its appealing design and comfortable seating experience.
  • the frame is designed as a tubular frame and has tubular elements.
  • the tube elements can be round tubes or tubes with a rectangular cross-section or other cross-section. Combinations of different tube types can also be provided.
  • the dimensioning and material design of each tube element of the tubes can be adapted to an expected weight load on the corresponding tube element.
  • the frame has a seat base on which the seat support is accommodated. The seat is thus securely held on the frame, so that a weight force can be reliably transmitted from the seat support to the frame.
  • the frame can also have a backrest base for accommodating the backrest of the seat carrier.
  • Transverse tubes, into which corresponding connecting means of the seat support can be accommodated, are suitable as the first connecting means on a frame designed as a tubular frame. Tubes aligned differently from transverse tubes are also conceivable as connecting means.
  • the first connection device is designed as a first snap connection.
  • a snap connection represents a connection which is easy to form and which is therefore well suited for the chair according to the invention.
  • the seat support has receiving areas on an underside of the seat support, which are designed to be fastened to the frame in a translatory manner along a predetermined direction in order to form the first snap connection.
  • the connecting means of the frame for example cross tubes, engage in the receiving areas on the underside of the seat support during assembly. In this way, a simple translational movement is sufficient to form the first connection, which simplifies the assembly of the chair.
  • the predetermined direction for forming the first snap connection is inclined downwardly and rearwardly relative to the seat and frame.
  • Down is to be understood as a rule in a more vertical direction to the ground, while “to the rear” is to be understood in a generally more horizontal direction from the seat surface or the seat structure or the seat shell towards the backrest.
  • Oblique is to be understood as meaning a mixture of the two directions, that is to say a direction which generally contains horizontal and vertical components. It may be, but is not limited to, a 45° downward direction.
  • the direction “diagonally downwards and backwards” is to be understood as meaning the direction which usually also describes the "sitting direction" when a user sits down on the chair.
  • the seat support is designed to accommodate a backrest structure on the backrest is.
  • the seat can be flexibly equipped, for example with a back pad, which can be designed to be soft or hard as required to give a desired shape.
  • the seat support and the backrest structure are connected to one another via a fourth connecting device.
  • the fourth connecting device has connecting means which are designed and arranged in relation to one another in such a way as to form a fourth connection which can be connected and released without tools.
  • the backrest structure like the seat structure, for example, can be modularly integrated into the chair.
  • the additional step of connecting an armrest support to the seat support via a third connection is provided.
  • the armrest support has at least one armrest, but preferably two armrests connected via a mounting section.
  • the armrest support is connected to a transition area of the seat support between the backrest and the seat shell.
  • this connection enables an attractive and modern design of the armrests, which is particularly advantageous for use as an office chair.
  • Fig. 1a -1b show schematic cross-sectional views of an embodiment of a chair 1.
  • Figure 1a shows schematically individual components before assembling the chair 1
  • Figure 1b shows the chair 1 in assembled form.
  • the chair 1 includes a frame 2 and a seat 3.
  • the frame 2 has support members 31, such as chair legs 31 in this embodiment, for contact with the floor and can therefore be regarded as a connecting piece between the seat 3 and the (floor) floor.
  • the seat 3 has a seat structure 5 and a seat support 4, which in turn has a seat shell 6 and a backrest 7, the seat shell 6 and the backrest 7 being connected to one another in one piece.
  • the seat support 4 and the frame 2 are to be connected to one another via a first connecting device 8 (by the arrow drawn in Figure 1a indicated) or connected ( Figure 1b ).
  • a first connecting device 8 by the arrow drawn in Figure 1a indicated
  • Figure 1b the seat structure 5 and the seat support 4 are connected to one another via a second connecting device 9 .
  • the latter connection forms the seat 3 of the chair 1.
  • the first connecting device 8 and the second connecting device 9 each have first connecting means 10 and second connecting means 11, which are designed and arranged in relation to one another in such a way as to form a first connection 12 that can be connected and released without tools and a second connection 13 that can be connected and released without tools .
  • the connecting means 10, 11 are shown schematically as projections or recesses in the corresponding components which are arranged at a distance from one another and correspond in size.
  • the first connecting device 8 and the second connecting device 9 are designed to form a positive connection in each case. In further exemplary embodiments, the first connecting device 8 and the second connecting device 9 are designed to form a non-positive connection in each case.
  • first connecting device 8 and the second connecting device 9 are both designed to form a snap connection.
  • first connecting device 8 and the second connecting device 9 are designed as a tongue and groove connection, feather key connection or dovetail connection.
  • first connecting device 8 and the second connecting device 9 are formed from different positive connections 12, 13 mentioned above. Combinations of positive and non-positive connections are also possible, for example in the form of a positive first connection 12 and a non-positive second connection 13, or vice versa, as well as within a connection 12, 13 formed from non-positive and positive locking.
  • Figures 2a-2b show schematic cross-sectional views of a further exemplary embodiment of a chair 1.
  • FIG. 2a shows schematically the individual components before assembling the chair 1
  • Figure 2b shows the chair 1 of this embodiment in assembled form.
  • the armrest support 14 has at least one armrest 15, 16.
  • the armrest support 14 has a first armrest 15 and a second armrest 16 (in the view of Figures 2a and 2b hidden behind the first armrest 15), which are arranged on both sides and are connected to one another via a mounting section 21 of the armrest support 14.
  • the armrest support 14 enables the armrests 15, 16 to be integrated into the seat 3 in a modular manner. Armrests 15 and 16 considerably increase the comfort and user experience of the chair 1 and are therefore particularly suitable for use with the office chair 1.
  • the armrest support 14 and the seat support 4 are connected to one another via a third connecting device 17 .
  • the seat support 4 and the mounting section 21 of the armrest support 14 are connected to one another via the third connecting device 17 .
  • the third connection device 17 has third connection means 18 which are designed and arranged in relation to one another in such a way as to form a third connection 19 which can be connected and released without tools.
  • the connecting means 18 form a form-fitting snap connection.
  • the third connection means 18 are designed to form a form-fitting tongue and groove connection, keyway connection, dovetail connection, or to form a non-positive connection 19 .
  • the armrests 15, 16 can also be connected to the chair 1 in a simple manner.
  • the seat support 4 is designed to be connected to the armrest support 14 at a transition area 20 between the seat shell 6 and the backrest 7 .
  • the transition area forms an area inclined at approximately 45° to the horizontal or vertical direction, or to the backrest 7 and seat shell 6 Section of the seat support 4.
  • the first connection device 8 is designed as a first snap connection 8 .
  • the seat support 4 has on an underside 4a of the seat support 4 receiving regions 26 which are designed to be fastenable to the frame 2 translationally along a predetermined direction T in order to form the first snap connection.
  • a simple translational movement is sufficient to form the first connection 12, which simplifies the assembly of the chair 1.
  • the frame 2 is designed as a cantilever frame in that the frame 2 has vertical elements on only one side (the front) of the chair 1, so that the chair 1 can “swing” backwards.
  • a cantilever chair is particularly popular with office chairs because of its appealing design and comfortable seating experience.
  • Figures 3a-3b show schematic cross-sectional views of a further exemplary embodiment of a chair 1.
  • the chair 1 of the Figures 3a and 3b embodiment shown is based on the previously in the Figures 1a and 1b or 2a and 2b chairs 1 shown Figures 3a and 3b However, the chair 1 shown has an additional backrest support 27, but no armrest support 14 is provided for this. In other exemplary embodiments, both a backrest support 27 and an armrest support 14 are provided.
  • Figure 3a shows schematically the individual components before assembling the chair 1, and Figure 3b indicates the chair 1 of this embodiment in assembled form.
  • the seat support 4 is designed to accommodate a backrest structure 17 on the backrest 7 .
  • the backrest structure 17 is provided with a back pad, which can be made soft or hard to a desired shape as needed.
  • the seat support 4 and the backrest structure 17 are connected to one another via a fourth connecting device 28 .
  • the fourth connecting device 28 has fourth connecting means 29 which are designed and arranged relative to one another in such a way as to form a fourth connection 30 which can be connected and released without tools.
  • the third connecting means 18 are also drawn in and indicated here as spaced-apart projections and recesses. In this way, the backrest structure 27 can be integrated into the chair 1 in a modular manner, analogously to the seat structure 5 and the seat support 4 .
  • FIG. 4 shows a perspective exploded view of another embodiment of a chair 1.
  • the Indian figure 4 The chair 1 shown is structurally based on that in the previous ones Figures 1a to 3b , especially the one in the Figures 2a and 2b , shown chair 1.
  • the seat structure 5 has a seat cushion 22 which is provided as a seat surface 23 .
  • the seat cushion 22 is intended to increase the comfort for a user of the chair 1 and can be easily adjusted due to the easy interchangeability of the seat structure 5 .
  • the seat cushion 22 contains a elastic material, the degree or the strength of the elasticity can be adjusted according to the user's wishes.
  • the frame 2 is designed as a tubular frame 2 and has a multiplicity of tubular elements 24 .
  • the tube elements 24 are designed here as round tubes.
  • the tubes are formed with a rectangular cross-section or other cross-section, or as a combination of different types of tubes.
  • the frame 2 has a seat base 25 on which the seat support 4 is accommodated.
  • the seat base contains transverse tubes 10 which serve as first connecting means 10 .
  • the frame 2 and its tubular elements 24 are designed in terms of material and dimensioning to absorb the weight of a person sitting on the chair 1 .
  • the frame 2 is designed as a cantilever frame.
  • the first connecting device 8 is designed as a first snap connection 8 .
  • the seat support 4 has on an underside 4a of the seat support 4 (shown in FIG figure 5 ) Receiving areas 26, which is designed to be fastened to the frame 2 translationally along a predetermined direction T to form the first snap connection.
  • an arrow is drawn in, which shows the predetermined direction T for forming the first snap connection. It can be seen that the arrow is relative to seat 3 and frame 2 of chair 1 "diagonally downwards and backwards". “Down” is to be understood as meaning a more vertical direction to the ground, while “to the rear” is to be understood as meaning a more horizontal direction from the seat surface or the seat structure 5 or the seat shell 6 to the backrest 7 . “Oblique” is to be understood as meaning a mixture of the two directions, that is to say a direction which generally contains horizontal and vertical components. In this exemplary embodiment, it is a direction T pointing downwards at approximately 45°.
  • the direction T can deviate from the value 45°, ie have larger and thus steeper angles of more than 45°, which means that the Seat support 4 corresponds to the frame 2, or even shallower angles of less than 45 °.
  • the first connecting device 8 can be provided, in which the first connection 12 can be formed by a movement T over a very large angular range. Rotatory movements can also be used for this purpose, or a translatory movement T can also be superimposed.
  • the predetermined direction T "diagonally downwards and backwards” shown here is the direction which usually also describes the "sitting direction” which is described by a person when sitting down on the chair 1 .
  • this exemplary embodiment achieves a simple and intuitive assembly of the seat support 4 on the frame 2.
  • figure 5 shows a schematic cross-sectional representation of a further exemplary embodiment of a chair 1.
  • the seat support 4 is already connected to the frame 2 .
  • the receiving areas 26 are shaped in such a way that the seat support 4 can be moved with a translatory movement according to the figure 4 already shown predetermined direction T "diagonally backwards and downwards".
  • the frame 2 is connected.
  • the receiving areas 26 have round recesses with a diameter smaller than or equal to that of the transverse tubes 10 for receiving the transverse tubes. In front of these recesses there can be a projection which deforms elastically when the transverse tube 10 is inserted and returns to its original shape when the tube passes the projection. This creates a "snap", which indicates the formation of the first connection 12 in a simple manner during assembly.
  • those skilled in the art know other forms of a snap connection that can be used here or in the other connections 12, 13, 19, 30 shown.
  • the armrest support 14 is not yet connected to the seat support 4 in this illustration.
  • the third connecting means 18 can be seen, which are arranged on the mounting section 21 of the armrest support 14 and the transition area 20 of the seat support 4 .
  • the third connecting device 7 is designed to form a positive snap connection.
  • the third connection device 17 is designed to form other positive or non-positive third connections 19 .
  • FIG. 6 shows a schematic cross-sectional representation of a further exemplary embodiment of a chair 1.
  • the chair 1 shown is connected to the armrest support 14 with the seat support 4.
  • the seat structure 5 with the seat cushion 22 is connected to the seat shell 6 of the seat support 4 .
  • the second connecting means 11 of second connecting device 9 designed in such a way to form a snap connection between the seat structure 5 and the seat shell 6 of the seat carrier 4 .
  • This is shown schematically here by corresponding projections on the underside of the seat structure 5 and receptacles on the seat support 4 .
  • FIG. 7 shows a schematic cross-sectional representation of a further exemplary embodiment of a chair 1.
  • 8 shows a perspective view of another embodiment of a chair 1.
  • the figures 7 and 8th each show exemplary embodiments of a fully assembled chair 1 according to the invention, which can be used as an office chair. Like the chairs in the Figures 2a to 6 illustrated embodiments is designed chair 1 as a cantilever.
  • FIG. 9 shows a perspective view of another embodiment of a chair 1.
  • the frame 2 chair legs 31 is otherwise structurally the same as in the Figures 4 to 8 chairs shown 1.
  • FIG. 10 shows a schematic representation of a method for manufacturing a chair 1.
  • the method for producing a chair 1 initially comprises the step of (mechanically) connecting S1 a frame 2 to a seat support 4 via a first connecting device 8.
  • the seat support 4 has a backrest 7 which is connected in one piece to a seat shell 6.
  • the first connecting device 8 has first connecting means 10 which are designed in such a way and to each other are arranged to form a first tool-free connectable and tool-free releasable connections 12.
  • the following step includes connecting S2 a seat assembly 5 to the seat support 4 via a second connecting device 9 to form a seat 3.
  • the second connecting device 9 has second connecting means 11 which are designed and arranged in relation to one another in such a way that a second connection means can be connected without tools and without tools to form a detachable connection 13 .
  • the seat structure 5 is preferably connected to the seat shell 6 of the seat support 4 .
  • the method includes the additional step of connecting S3 an armrest support 14 to the seat support 4 via a third connection 19.
  • the armrest support 14 has at least one armrest 15,16, but preferably two armrests 15, 16 connected via a mounting section 21.
  • the armrest support 14 is preferably connected to a transition area 20 of the seat support 4 between the backrest 7 and the seat shell 6 .
  • steps S1 to S3 are not necessarily in the in 10 shown order (S1 before S2 before S3).
  • the step of connecting S3 of the armrest support 14 to the seat support 4 takes place before the step of connecting S2 of the seat structure 5 to the seat support 4.
  • the armrest support 14 can also be connected directly to the seat shell 6 or the backrest 7 of the seat support 4, the frame 2 or the seat structure 5 via a third connection device.

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
EP21194950.8A 2020-10-26 2021-09-06 Chaise et son procédé de montage Active EP3987978B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020213445.6A DE102020213445B4 (de) 2020-10-26 2020-10-26 Stuhl und verfahren zu dessen montage

Publications (2)

Publication Number Publication Date
EP3987978A1 true EP3987978A1 (fr) 2022-04-27
EP3987978B1 EP3987978B1 (fr) 2024-04-10

Family

ID=77640533

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21194950.8A Active EP3987978B1 (fr) 2020-10-26 2021-09-06 Chaise et son procédé de montage

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EP (1) EP3987978B1 (fr)
DE (1) DE102020213445B4 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987005479A1 (fr) 1986-03-21 1987-09-24 Samsonite Furniture Co. Construction de chaise
EP0473028A1 (fr) * 1990-08-25 1992-03-04 KÖNIG & NEURATH KG Cadre de chaise
CN201160674Y (zh) * 2008-01-29 2008-12-10 张广亮 一种带椅垫的椅子
DE202009003927U1 (de) * 2009-03-23 2009-06-10 Oranje Meubel B.V. Stuhl mit Rastmitteln
WO2009151233A2 (fr) * 2008-06-13 2009-12-17 주식회사 시디즈 Plateau d'assise
WO2016106169A1 (fr) * 2014-12-22 2016-06-30 Innovations Us Llc Appareil de siège et ses procédés d'utilisation
CN205923488U (zh) * 2016-04-08 2017-02-08 宁波卫生职业技术学院 一种适用于老年人的餐椅

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3942836A (en) 1974-04-22 1976-03-09 Steelcase Inc. Chair
NO744171L (fr) 1974-11-20 1976-05-21 Staal & Stil As

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987005479A1 (fr) 1986-03-21 1987-09-24 Samsonite Furniture Co. Construction de chaise
EP0473028A1 (fr) * 1990-08-25 1992-03-04 KÖNIG & NEURATH KG Cadre de chaise
CN201160674Y (zh) * 2008-01-29 2008-12-10 张广亮 一种带椅垫的椅子
WO2009151233A2 (fr) * 2008-06-13 2009-12-17 주식회사 시디즈 Plateau d'assise
DE202009003927U1 (de) * 2009-03-23 2009-06-10 Oranje Meubel B.V. Stuhl mit Rastmitteln
WO2016106169A1 (fr) * 2014-12-22 2016-06-30 Innovations Us Llc Appareil de siège et ses procédés d'utilisation
CN205923488U (zh) * 2016-04-08 2017-02-08 宁波卫生职业技术学院 一种适用于老年人的餐椅

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Publication number Publication date
DE102020213445A1 (de) 2022-04-28
EP3987978B1 (fr) 2024-04-10
DE102020213445B4 (de) 2023-08-31

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