EP2787860A1 - Sitzmöbel mit einem federnd ausgebildeten verbindungselement - Google Patents
Sitzmöbel mit einem federnd ausgebildeten verbindungselementInfo
- Publication number
- EP2787860A1 EP2787860A1 EP12801526.0A EP12801526A EP2787860A1 EP 2787860 A1 EP2787860 A1 EP 2787860A1 EP 12801526 A EP12801526 A EP 12801526A EP 2787860 A1 EP2787860 A1 EP 2787860A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- seat
- backrest
- leg
- leaf spring
- connecting element
- 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
Links
- 210000002414 leg Anatomy 0.000 claims description 199
- 210000004394 hip joint Anatomy 0.000 claims description 2
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
- A47C1/03277—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with bar or leaf springs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
- A47C1/03272—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs
Definitions
- the invention relates to a chair, in particular an office chair.
- the chair has a backrest and a seat.
- the seat is operatively connected to the backrest.
- the connecting element is connected to the backrest and the seat surface and designed to resiliently counteract a pivoting movement of the backrest.
- the connecting element is formed, the seat with a predetermined ratio to the pivoting movement of the
- the seating furniture can be advantageously provided low cost.
- the connecting element is formed integrally with the backrest.
- Injection molding in particular plastic injection molding produced.
- the connecting element has at least one preferably U-shaped seat leaf spring and at least one preferably U-shaped
- the seat leaf spring has a seat leg and a base leg.
- the backrest leaf spring has a backrest leg and a base leg. The seat leg of the seat leaf spring is connected to the seat and the back legs of the back leaf spring is connected to the backrest.
- Backrest leaf spring connected to a connecting portion, wherein the seat leg is connected to the backrest leg by means of a pivot joint.
- the base leg is the
- Connecting element advantageous - for example, by punching from a spring steel sheet - are provided particularly cost-effective.
- an effective pivot axis of the backrest leaf spring extends parallel to the effective pivot axis of the seat leaf spring
- Backrest and the seat can be generated.
- the pivot axis of the seat leg and the backrest leg runs
- a turning portion connecting the legs of the seat leaf spring extends from
- the seemssseiement is formed so that the seat and the backrest during pivoting back of the backrest each other about a common pivot axis pivoting open with the predetermined ratio.
- the seating is designed such that the common effective pivot axis when pivoting back the backrest with a hip pivot axis of a particular adult
- the turning portion of the seat leaf spring on an intermediate portion.
- the intermediate portion forms a seat leg and the base leg of the seat leaf spring a
- the intermediate leg can advantageously be formed another effective pivot joint, which is formed, a pivoting of the seat opposite to the pivoting direction of the seat during
- the seat leg is rigidly connected to the seat surface, wherein the connecting element is formed, that the seat leg in a pressure load, in particular by a
- the seat leg extends parallel to the seat.
- the connecting element is formed such that upon compression of the seat leg by the pressure load of the intermediate leg can pivot against the seat leg in the opposite direction of pivoting than the base leg against the intermediate leg.
- a kind of scissors joint is advantageously formed by means of the intermediate portion, whereby a movement course during compression by the pressure load
- the connecting element comprises two backrest leaf springs, wherein the two backrest leaf springs, the seat leaf spring between them. This can do that
- the legs of the seat leaf spring extend in mutually opposite directions.
- Connecting element can be formed so advantageous particularly flat.
- Connecting element formed such that a hinge axis of the
- Swivel joint for changing a leg length of the seat leg and the backrest leg up to the connecting pivot joint - preferably transversely to a longitudinal extension of the hinge axis - can be moved lockable.
- Seat leg and the back leg up to the connecting Swivel joint can be advantageously changed a spring stiffness of the spring back of the backrest and the opening angle between the backrest and the seat during pivoting back of the backrest.
- the base leg of the seat leaf spring via a turning section with the base leg of
- Connecting element may be connected to the seat leg
- the seat can be sprung in accordance with the pressure load.
- the seat preferably has a seat plate, wherein the seat plate is formed for example of wood, metal or plastic.
- the backrest preferably has a plate, which is formed for example of wood, metal or plastic.
- Figure 1 shows an embodiment of a chair with a
- connecting element wherein the connecting element comprises a U-shaped seat leaf spring and a backrest leaf spring, wherein the seat leaf spring and the backrest leaf spring are coupled together via a pivot joint;
- Figure 2 shows the connecting element shown in Figure 1 in detail in a lateral plan view
- Figure 3 shows the connecting element shown in Figure 2 in the loaded state during spring back one with the connecting element
- FIG. 4 shows the connecting element shown in FIG.
- Figure 5 shows the connecting element shown in Figure 2 in a plan view
- FIG. 6 shows a variant for a connecting element with an S-shaped spring section, one connected to the seat surface
- Sitting seat connects with a backrest connected to the backrest legs;
- FIG. 7 shows an exemplary embodiment of a connecting element, in which a backrest leg of a backrest leaf spring connected to a backrest extends in the opposite direction to the base leg of the backrest leaf spring;
- FIG. 8 shows a variant of that shown in FIG.
- Back leaf spring and the seat leaf spring connects is formed displaceable by moving an axis in a slot, so that a formed by means of the pivot joint crosspoint
- FIG. 9 shows a variant of a seat produced by means of casting, in particular injection molding, with a connecting section which corresponds to the connecting element shown in FIG. 1 shows an embodiment of a seating 1.
- the seating 1 has a backrest 3, a seat 5 and a connecting element 10.
- the chair 1 also has a frame 7, which in this embodiment has a base with a lift, in particular a gas lift. Through the frame 7 extends an axis 20, wherein the axis 20 extends perpendicular to the seat surface 5 in this embodiment.
- the backrest 3 is connected to the seat 5 via the
- the connecting element 10 is formed in response to a pivoting back of the backrest 3 a
- the connecting element 10 is connected to the frame 7. The operation of the connecting element 10,
- FIG. 2 shows the seating furniture already shown in FIG. 1
- Partial representation Shown is the backrest 3 and the seat surface 5, which are connected by means of the connecting element 10 resiliently.
- the connecting element 10 has a seat leg 12, which is connected to the seat surface 5.
- the seat 5 is, for example, by means of a screw or a rivet connection with the seat! 12 of the connecting element 10 - for example
- a slot can be formed in the seat leaf spring 12, so that one connected to the seat surface 5
- Screwed lock in the slot lockable pushed back and forth , - can be.
- the connecting element 10 is in this
- Embodiment of a leaf spring material in particular
- connection element 10 can also have carbon fibers, which are connected to one another, for example, by means of epoxy resin.
- the connecting element 10 has a seat leaf spring, which in
- Connecting element 10 comprises in this embodiment, the already-mentioned seat leg 12 and a base leg 14, wherein the seat leg 12 and the base leg 14 are connected to each other via a turning portion 19 of the seat leaf spring.
- the turning portion 19 comprises in this embodiment, an intermediate portion 13, wherein the intermediate portion 13 in sufficiently rigid to form a
- Intermediate leg is formed.
- the intermediate portion 13 is straight in longitudinal section.
- section 13 is connected via a curved longitudinal section joint portion 17 with the seat leg 12.
- Joint portion 17 is transverse to the illustrated view of the
- the intermediate portion 13 is connected via a hinge portion 15 with the base leg 14 of the seat leaf spring.
- the hinge portion 15 is curved in longitudinal section and forms transverse to
- Base leg 14 is in its further extension of the turning portion 19 away in a connecting portion 22, wherein the base leg 14 is connected in the region of the connecting portion 22 with a base leg 18 of a backrest leaf spring.
- the backrest leaf spring comprises in addition to the base leg 18 a
- Backrest leg 16 which is connected via a turning section 23 with the base leg 18.
- the turning section 23 forms both a spring and a pivot joint of the backrest leaf spring.
- Backrest leg 16 is connected to a backrest support 34, wherein the backrest support 34 is formed in this embodiment by a particular angled metal support.
- the backrest support 34 is connected to the backrest 3, which in this embodiment a
- Backrest support 34 is connected at right angles to the backrest leg 16.
- the connecting element 10 is in this case
- Embodiment connected to a base support 33, which is designed to connect the connecting element 10 supporting the frame 7.
- the base support 33 is at least partially received between the base leg 14 and the seat leg 12 in this embodiment.
- the base support 33 has an opening in which an end portion of the aforementioned gas spring of the frame 7 projects through and is received longitudinally. Shown is also a castle nut 35, with the base support 33 and the frame 7 is held together separable.
- the seat leg 12 and the backrest leg 16 are - each spaced from the turning portion 19 and the turning portion 23 - connected by means of a pivot joint 30.
- a tab is integrally formed on the seat leg 12, which is transverse to the
- Backrest leg 16 is shown in this embodiment, together with the turning portion 23 - in a projection of the shown in a plan - -
- the seat leg 12 is supported in the region of an end facing away from the turning portion 19 against a
- the pivot joint 30 has a hinge axis, which extends through an opening of the aforementioned integrally formed on the seat leg 12 tab.
- the backrest leg 16 is operatively connected to a further tab, wherein the further tab has an opening through which the aforementioned hinge axis extends. That's one
- Lehnenschenkei 16 are pivotally connected to each other by means of the pivot joint.
- Pivot axis of a hip joint of the person 25 runs coaxially.
- the intermediate section 13 forms an end face of the connecting element 10 in this embodiment.
- Figure 3 shows the already partially shown in Figure 2 seating 1.
- the frame 7 remains unchanged in its position. Shown is the
- the seat 5 in Figure 2 takes in the pivoted position, the position 5 'in the tilted seat plane 21' one.
- the base leg of the seat leaf spring is shown in position 14 ', the intermediate section is shown in the pivoted position 13 Y and the seat leg is shown in the pivoted position 12'.
- the backrest leaf spring is also shown in Figure 3 in a pivoted position, wherein the backrest leg in the position 16 and the
- Leg of the backrest leaf spring is spaced parallel to each other.
- FIG. 4 shows a part of the elements of the seat 1 already shown in FIGS. 2 and 3. Shown is the connecting element 10, wherein the connecting element 10 is pivoted in the direction of the axis 20 into a position 10 "by a pressure load in the front region of the seat leaf spring 12 The intermediate portion of the turning portion is shown in position 13 "and the base leg in position 14".
- a spring deflection of the connecting element 10 is limited by a spring stop 34.
- the spring stop 34 is formed in this embodiment by a hollow cylindrical rubber buffer, through which a connecting bolt is guided, which with one end positively against the rubber buffer and with a thereto
- the backrest leg 16 is in Figure 4 in the seat plane 21st
- the seat plane 21 "pivoted down in comparison with the seat plane 21 is also shown.
- the turning portion with the intermediate portion 13 of the seat leg 12 in the pivoted position 12 "maintain its shape without significantly deflect.
- FIG. 5 shows that already shown in FIGS. 2, 3 and 4
- Backrest leg 16a includes.
- the seat leg 12 extends in its width dimension transverse to the longitudinal extent of the seat leg 12 between the back legs 16 and 16 a, so that the seat leg 12 during compression between the
- Back legs 16 and 16a can spring through.
- Embodiment is designed as a fork, with a fork arm with the backrest leg 16 and another fork arm with the
- the backrest support 34 has an angled portion in this embodiment and is
- FIG. 6 shows an exemplary embodiment of a connecting element 11. Like the connecting element 10 already shown in FIGS. 2 and 3, the connecting element 11 has a seat leaf spring with a
- the connecting element 11 has a turning section 36 of the seat leaf spring, which connects the longitudinal leg with a predominant directional component in the same direction as the seat leg 12 extending base leg 14 of the seat leaf spring with the base leg 18 of the back leaf spring.
- the base leg 14 and the base leg 18 can thus pivot to each other by means of the turning section 36 forming both a spring and a pivot joint.
- an S-shape is formed in the longitudinal section of the spring element 11.
- the frame 7 is by means of a base support 50 with the
- the seat leg 12 and the backrest leg 16 are - each spaced from the turn portions 31 and 23 - connected by means of a pivot joint 30.
- the spring element 11 is a pressure load in the front area - for example, by a person sitting on the front edge of the seat 5 person - shown in a pivoted position 1.
- the pivoting down into the position 11 ' is performed by the pivot leaf spring, formed by the base leg 18, the turning portion 36 and the base leg 14 resiliently.
- the intermediate section 13 forms an end face of the connecting element 11.
- Figure 7 shows a variant for a partially illustrated seating furniture with a connecting element 40.
- the connecting element 40 has a seat leaf springs comprising a seat leg 12 and a base leg 14, wherein the seat leg 12 by means of a
- the intermediate portion 13 and the seat leg 12 are in this case
- Embodiment just formed wherein the intermediate portion 13 of the turning portion 37 is angled to the seat leg 12, so that extends between the intermediate portion 13 and the seat leg 12 has an edge.
- the intermediate portion 13 forms in the embodiment of the connecting element in Figure 7 is a front side of the
- the base leg 14 extends in this perennialsbeispiei in the same direction as the seat leg 12, in particular parallel to the seat leg 12, so that in the illustrated in Figure 7
- the base leg 14 is connected in this embodiment in the further course by means of a base support 52 with the frame 7. _ _
- a base leg 18 of a back leaf spring is formed, which is in the opposite direction to a
- the back leaf spring of the connecting element 14 thus has - unlike the back leaf spring of the connecting elements 10 and 11 - no turning section between the base leg 18 and the back leg 16, so that the
- Back leaf spring of the connecting element 40 does not form a U-shape.
- the seat leg 12 is spaced from the turning portion 37 by means of a pivot joint 30 connected to the backrest leg 16.
- the backrest leg 16 a transversely to the backrest leg 16 extending tab 43 with an opening, which on the
- the seat leg 12 has an integrally formed thereon and angled from this tab 42 with a corresponding breakthrough.
- the pivot joint 30 comprises a hinge axis which extends through the openings of the tabs 42 and 43.
- the seat leg 12 and the backrest leg 16 are pivotally connected to each other by means of the pivot joint 30.
- Back leg 16 is connected in the region of one end to the backrest 3 via a backrest support 34.
- the intermediate section 13 forms an end face of the connecting element 40.
- FIG. 8 shows an exemplary embodiment of a connecting element 41, in which the swivel joint 30 already shown in FIG. 2 is designed to be displaceable. This is in the molded on the seat leg 12
- Lug a slot formed in the backrest leg 16 - - operatively connected, in this embodiment, the backrest support 34 molded tab is also a corresponding slot
- Locking nut the axis can be detected, for example.
- the locking nut may, for example, be connected to a pivoting lever that is tangibly formed by a particular adult hand of a human being.
- Ratio of the opening angle 28 in Figure 2 to the opening angle 29 are set in Figure 3.
- Figure 9 shows a seat 2 in a plan view.
- the chair 2 has a backrest 3 formed by a frame.
- the backrest 3 is formed on a resiliently formed connecting portion, which is formed, the backrest 3 with a - not in Figure 9
- the connecting portion has a seat leaf spring and a backrest leaf spring.
- the seat leaf spring is U-shaped and has a seat leg 12 and a
- the seat leg 12 is connected to the base leg 14 via a turning portion, wherein the turning portion has a particular planar formed intermediate portion 13.
- the intermediate portion 13 is connected to the seat leg 12 via a
- Joint portion 15 is connected, so that the seat leg 12 forms with the intermediate portion 13 a spring-loaded pivot joint.
- Intermediate section 13 is connected to the backrest leg 14 via a Joint portion 17 is connected, so that the backrest leg 14 with the intermediate portion 13 forms a spring-loaded pivot joint.
- a base leg 18 of the backrest leaf spring is formed, which has a turning section 23 with a
- Back leg 16 is connected.
- a pivot joint 30 connects the backrest leg 16 with the seat leg 12 spaced from the turning portion 23 and the intermediate portion 13.
- Swivel joint 30 has an integrally formed on the backrest leg 16 receptacle for a hinge axis.
- the seat leg 12 has a transverse to the longitudinal extension of the seat leg through the seat leg opening, through which the hinge axis extends.
- the hinge axis opens into a further backrest leg 16 a of
- Backrest leaf spring which is connected via a further turning section 23a with the base leg 18.
- the backrest legs 16 and 16 a form in each case against the base leg 18 a spring-loaded pivot joint through which the angled formed on the back legs 16 and 16a backrest experiences a restoring force when pivoting back.
- the seat leg is pivoted by the pivot joint 30 with a predetermined ratio, so that when pivoting back the
- the plastic is fiber reinforced, especially with glass fibers or carbon fibers.
- the kausseiement of Figure 2 corresponding connecting portion of - -
- Seating furniture 2 is for example produced together with the backrest in a casting process, in particular injection molding.
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs Characterized By Structure (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011120753A DE102011120753A1 (de) | 2011-12-05 | 2011-12-05 | Sitzmöbel mit einem federnd ausgebildeten Verbindungselement |
PCT/EP2012/074360 WO2013083562A1 (de) | 2011-12-05 | 2012-12-04 | Sitzmöbel mit einem federnd ausgebildeten verbindungselement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2787860A1 true EP2787860A1 (de) | 2014-10-15 |
EP2787860B1 EP2787860B1 (de) | 2018-01-10 |
Family
ID=47358147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12801526.0A Active EP2787860B1 (de) | 2011-12-05 | 2012-12-04 | Sitzmöbel mit einem federnd ausgebildeten verbindungselement |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2787860B1 (de) |
DE (1) | DE102011120753A1 (de) |
DK (1) | DK2787860T3 (de) |
ES (1) | ES2663604T3 (de) |
HU (1) | HUE036791T2 (de) |
PT (1) | PT2787860T (de) |
WO (1) | WO2013083562A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11324325B2 (en) | 2015-04-13 | 2022-05-10 | Steelcase Inc. | Seating arrangement |
DE102022125681A1 (de) | 2022-10-05 | 2024-04-11 | Amir Anvarovich Fatkullin | Stuhl |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2529659B (en) * | 2014-08-28 | 2017-07-12 | Wu Yao-Chuan | Bottom plate structure of a chair |
US10194750B2 (en) | 2015-04-13 | 2019-02-05 | Steelcase Inc. | Seating arrangement |
DE102016102557A1 (de) | 2016-02-15 | 2017-08-17 | Interstuhl Büromöbel GmbH & Co. KG | Sitzmöbel mit einem Rückneigeanschlag |
DE102016102556A1 (de) | 2016-02-15 | 2017-08-17 | Interstuhl Büromöbel GmbH & Co. KG | Rückenlehne für einen Bürostuhl |
US10820703B2 (en) | 2018-09-17 | 2020-11-03 | Sedus Stoll Ag | Chair, particularly conference or office chair, and method for manufacturing a chair |
EP3927215A4 (de) | 2019-02-21 | 2023-03-15 | Steelcase Inc. | Körperstützanordnung und verfahren zur verwendung und montage davon |
US11357329B2 (en) | 2019-12-13 | 2022-06-14 | Steelcase Inc. | Body support assembly and methods for the use and assembly thereof |
WO2021178206A1 (en) | 2020-03-02 | 2021-09-10 | Steelcase Inc. | Body support assembly and methods for the use and assembly thereof |
US11812870B2 (en) | 2021-02-10 | 2023-11-14 | Steelcase Inc. | Body support structure |
WO2023234807A1 (ru) * | 2022-06-01 | 2023-12-07 | Амир ФАТКУЛЛИН | Кресло |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4889385A (en) * | 1988-03-09 | 1989-12-26 | American Seating Company | Chair seat-and-back support |
DE29704906U1 (de) * | 1997-03-18 | 1997-05-22 | Interstuhl Bueromoebel Gmbh | Stuhl, insbesondere Bürostuhl |
DE10106792A1 (de) * | 2001-02-12 | 2002-08-14 | Interstuhl Bueromoebel Gmbh | Sitzmöbel |
CH700928B1 (de) * | 2007-10-12 | 2010-11-15 | Sitag Ag | Personensitz mit einer Wippfeder. |
-
2011
- 2011-12-05 DE DE102011120753A patent/DE102011120753A1/de not_active Ceased
-
2012
- 2012-12-04 PT PT128015260T patent/PT2787860T/pt unknown
- 2012-12-04 WO PCT/EP2012/074360 patent/WO2013083562A1/de unknown
- 2012-12-04 ES ES12801526.0T patent/ES2663604T3/es active Active
- 2012-12-04 HU HUE12801526A patent/HUE036791T2/hu unknown
- 2012-12-04 DK DK12801526.0T patent/DK2787860T3/en active
- 2012-12-04 EP EP12801526.0A patent/EP2787860B1/de active Active
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2013083562A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11324325B2 (en) | 2015-04-13 | 2022-05-10 | Steelcase Inc. | Seating arrangement |
DE102022125681A1 (de) | 2022-10-05 | 2024-04-11 | Amir Anvarovich Fatkullin | Stuhl |
Also Published As
Publication number | Publication date |
---|---|
DK2787860T3 (en) | 2018-04-16 |
PT2787860T (pt) | 2018-02-23 |
DE102011120753A1 (de) | 2013-06-06 |
ES2663604T3 (es) | 2018-04-16 |
EP2787860B1 (de) | 2018-01-10 |
HUE036791T2 (hu) | 2018-07-30 |
WO2013083562A1 (de) | 2013-06-13 |
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