EP1396213B1 - Synchronmechanik für Bürostühle - Google Patents
Synchronmechanik für Bürostühle Download PDFInfo
- Publication number
- EP1396213B1 EP1396213B1 EP03020251A EP03020251A EP1396213B1 EP 1396213 B1 EP1396213 B1 EP 1396213B1 EP 03020251 A EP03020251 A EP 03020251A EP 03020251 A EP03020251 A EP 03020251A EP 1396213 B1 EP1396213 B1 EP 1396213B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bearing
- counter
- synchronizing mechanism
- mechanism according
- 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.)
- Expired - Lifetime
Links
- 230000001360 synchronised effect Effects 0.000 title claims description 26
- 230000006835 compression Effects 0.000 claims abstract description 43
- 238000007906 compression Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 230000000153 supplemental effect Effects 0.000 claims 2
- 238000010276 construction Methods 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 5
- 210000002414 leg Anatomy 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000036316 preload Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly 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
- 230000009467 reduction Effects 0.000 description 2
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Images
Classifications
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- 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
- A47C1/03294—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
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- 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
- A47C1/03266—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with adjustable elasticity
-
- 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 synchronous mechanism for office chairs with the im
- the preamble of claim 1 specified features, as described in DE 198 10 768 A 1 or based on an earlier application of the Applicant DE 101 25 994 A1 are known.
- synchronous mechanism assemblies are in the seat substructure of an office chair meant for a coupled, a certain relative movement of the seat and backrest to each other provide with bringing kinematics.
- This is on a chair column a base support placed on the one to a pivotable about a transverse axis, hingedly connected to the base support seat support and on the other also pivotable about a transverse axis, hinged to the base support connected backrest support are stored.
- On the seat carrier is the usually with a padded seat provided seat of the office chair assembled.
- the backrest support which is commonly used by the Actual synchronous mechanism extends to the rear, contributes to one after Above extending boom, the backrest of the office chair.
- Seat support and backrest support are coupled so articulated that a Pivoting movement of the backrest to the rear - as for example caused by leaning on the chair user to the backrest can be - a lowering movement of the rear edge of the seat down induced.
- This correlated seat-back movement brings one considerable comfort advantage with it and is for orthopedic reasons he wishes.
- the invention is based on the object, a synchronous mechanism for Office chairs to improve so that the spring arrangements in a constructive Simplicity particularly compact and especially in a narrower spatial To arrange proximity under the seat carrier, so that the area of the base carrier essentially free, while achieving the greatest possible freedom of design remains.
- the entire spring arrangement practically only about its front end with the remaining kinematics of Synchronous mechanism connected.
- the spring arrangement projects virtually horizontally back along the seat support. Due to the flat design it has a very low height. Furthermore, since any fasteners missing in the direction of the backrest or base wearer Below, this section can be made of other design and design parts of the chair are received in any way.
- the basic construction of the spring arrangement according to the abutment arm also allows preferred developments in which the adjustment the bias of the spring assembly in a simple manner bewerkstelligbar is. So the abutment boom needs only in the seat longitudinal direction be slidably mounted. By a longitudinal displacement changes the Position of the abutment for the rearward support of the helical compression spring, either stronger or weaker under corresponding Changing the bias voltage is compressed. Preferred dimensions becomes the displacement of the abutment arm by a control shaft with eccentric cam realized.
- a further preferred embodiment is as a spring arrangement a spring assembly of several helical compression springs provided whose Total prestress by different gradation of the individual Eccentric cam of the control shaft can be varied in narrow steps.
- abutment boom as rods in front, on which the helical compression springs are set up.
- This can be the helical compression springs supported by a support strip on the abutment of the seat support, in a Bearing recess of the abutment is pivotally mounted slide.
- the support the helical compression spring towards the seat support is improved by because due to the movement of the seat support plate back down at an actuation of the synchronous mechanism a certain tilt angle in to compensate for the support of the helical compression spring.
- Further preferred embodiments relate to the training the bearing head of the respective abutment boom in the form of a frame, on the one hand for the storage of the abutment boom on the base support and on the other hand as an attack surface for the eccentric cam of the control shaft is used.
- At least one Abutment boom provided at the rear end of an additional abutment which is adjustable in the seat longitudinal direction. So that can be on this abutment boom seated helical compression spring in its basic bias be varied, so that together with the adjustability the abutment boom itself at least two different drag ranges for adapting the synchronous mechanism to light or heavyweight persons are provided. Within this Areas can then about the actual adjustment of the abutment boom a fine adjustment be made.
- the at least one Abstützausleger designed as a control shaft on the one hand by a Actuator on the base support rotatably driven and on the other hand with her provided at the rear end with an adjustable abutment stop is.
- This is spindle-shaped by a shaft rotation in the direction of the spring force the helical compression spring adjustable so that only by the Actuation of the actuator, the bias of the helical compression springs is easily adjustable over wide ranges.
- the actuator is controlled by a manually operable actuating shaft formed in the front area of the base, which has a Deflection gear is coupled to the front end of the control shafts.
- a manually operable actuating shaft formed in the front area of the base, which has a Deflection gear is coupled to the front end of the control shafts.
- a structurally simple storage of the adjusting waves results from that in a seated on a Umlenkgetriebewelle bearing bracket are rotatably mounted with their front end.
- the reversing gear is for Achieving a compact design as a bevel gear between each a control shaft and one driven by the actuating shaft Transmission shaft formed.
- a base support 1 is provided as the supporting part, in the area of its rear end with a cone seat 2 for attaching the synchronizing mechanism to the upper end of a (not shown) is provided chair column.
- Other basic components of the synchronous mechanism are the backrest support 3 and the seat support 4.
- the backrest support 3 is shortly before the cone seat 2 via a transverse axis. 5 pivotally mounted on the base support 1. It consists of two obliquely Rear top extending side struts 6, 7, the rear end in a only schematically indicated Lehnenbasis 8 open.
- the substantially plate-shaped seat support 4 has in the region of his at the front two downwardly projecting, lateral cheeks 13, 14 on, the with a SL in the seat longitudinal direction to the rear slightly sloping slot 15, 16 are provided. With these slots 15, 16 sits the seat carrier 4 on the control shaft 11, whereby by the engagement of these two components a rotary-sliding joint 17 between base and seat support 1, 4 is formed is, d. H. the seat support 4 can pivot about the control shaft 11 and simultaneously relative to move in the direction of the slots 15, 16.
- helical compression spring 24 For acting on the synchronous mechanism against the synchronous adjustment from the basic position shown in Figs. 1 to 4 out is designated as a whole with 23 spring arrangement, the four parallel to each other, on both sides of the central longitudinal plane M in a common horizontal plane arranged helical compression springs 24.1 to 24.4 (hereinafter referred to by the common reference numeral 24, unless a single helical compression spring is a separate discussion required).
- helical compression spring 24 is in each case an abutment arm 25.1 to 25.4 provided, the front end pivotable relative to the base support 1 via a bearing head 26.1 to 26.4 is articulated.
- the rod-shaped shaft of the abutment boom 25th protrudes freely to the rear and is there with an abutment projection 27 provided. At this the rear end of the Helical compression springs 24 from.
- the abutment boom 25 pass with their rod-shaped shaft Support strip 28 in the rest via feedthrough openings 32nd
- the bearing head 26 at the front end of the abutment arm 25 is as formed at least frame or box-shaped part, whose parallel to the seat longitudinal direction SL extending side frame walls 33 respectively are provided with a slot 34, with which the abutment boom 25th pivotable on the control shaft 11 and in the seat longitudinal direction SL relative thereto is slidably mounted.
- Eccentric cam 35.1 to 35.4 rotatably connected to the control shaft 11, at the respective forward facing eccentric edge 36 each the front frame wall 37 of the bearing head 26 is supported.
- the contact between the frame wall 37 and 36 Exzenterflanke is through Compressive force of the helical compression springs 24 secured.
- an adjustable additional-Wider-camp 38 is provided. This is primarily about one transversely to the seat longitudinal direction SL vertically arranged, plate-shaped Slider 39, with two bearing holes 40 on the two inner abutment arms 25.2, 25.3 slidably guided in the seat longitudinal direction SL is.
- This slider 39 is between the two helical compression springs 24.2, 24.3 and their abutment projection 27.2, 27.3 used. It acts with another eccentric cam shaft 41 together, the eccentric cam 42 is located centrally in the central longitudinal plane M and the slide 39 of applied to the rear.
- these bearing struts 43 four upright standing bearing plates 44.1 to 44.4, which are aligned with each other Bearing eyes 45 are provided. In these sits the eccentric camshaft 41, which is actuated by a lateral knob 46.
- the operation of the synchronous mechanism can be with reference to FIGS. 9 to 11 in conjunction with FIGS. 1 to 4 explain. This is how it works when pushing back pivoted the backrest of the backrest support 3 to the rear, the thus the seat support 4 back down around the turn-slide joint 17 pivots.
- the support bar 28 moves closer to the end of the Ablagerausleger 25 out, so that the helical compression springs 24 stronger be compressed and thus build up a higher counterforce.
- the Rotary sliding movement can be performed until the control shaft 11 at the rear end of the slots 15, 16 hit the seat support.
- FIGS. 12 to 14 A second embodiment of a synchronous mechanism according to the invention is shown in FIGS. 12 to 14. To avoid repetition it should be noted in this context that the basic elements of the Synchronous mechanism, such as base support 1, backrest support 3 and seat support 4 with their mutual coupling via transverse axes 5, 22 and the Rotary sliding joint 17 with the embodiment according to FIGS. 1 to 11 to match. In this respect, for such constructive and functional matching elements in the embodiment of FIG. 12 to 14 matching reference numerals used and it will become an explanation related to the corresponding statements refer to Figs. 1 to 11.
- the actuating shaft 52 with a gear 54 of a reduction gear 55 provided, the output-side gear 56 on a also mounted in the base support 1 intermediate shaft 57 is seated.
- This intermediate shaft 57 is completed by coaxial attachable stub shaft 58, on each of which cone gears 59 sit.
- the control shafts 51 are at their rear end respectively with threads 62 provided with which spindle nuts 63 are engaged. These spindle nuts 63 are by a common, transverse to the extension direction the adjusting shafts 51 extending abutment bar connected to the each helical compression springs 24 are supported with their rear end. Whose front end is - as in the embodiment of FIG. 1 - to one on the seat support 4 in a semicircular bearing shell (in FIGS. 12 to 14 not visible) pivotally mounted support bar 28 supported.
- the support bar 28 sweeping the front Ends of the adjusting shafts 51 in bearing brackets 65 rotatably mounted in pairs are, in turn, with bearing extensions 66 on the intermediate shaft 57th are pivotally mounted.
- the control shafts 51 are not just theirs Rotatable longitudinal axis, but also about the intermediate shaft 57 pivotally stored, so that the adjusting shafts 51, the slight tilting movement of the seat support 4 can perform at the bottom. In this movement is the seat support 4 with the support bar 28 against the force of the helical compression springs 24 shifted to the rear. This drag is through a Adjustment of the rear abutment bar 64 variable.
- Figs. 12 to 14 components, such as two Stellwellen 51 on the left half of Figs. 12 and 14 and there located parts of the deflection gear 49, the left leg of the Backrest support 3 and the seat support 4 for better clarity the construction were omitted.
Description
- die Federanordnung mindestens eine im wesentlichen parallel zur Schieberichtung des Sitzträgers flach unter diesem angeordnete Schraubendruckfeder aufweist, wobei
- für jede Schraubendruckfeder ein Widerlagerausleger vorgesehen ist, dessen vorderes Ende am Basisträger angelenkt ist und dessen rückwärtiges Ende frei auskragend ein Widerlager für die rückwärtige Abstützung der Schaubendruckfeder bildet, und
- sich die mindestens eine Schraubendruckfeder jeweils mit ihrem vorderen Ende an einem am Sitzträger gebildeten Widerlager abstützt.
- Fig. 1 und 2
- eine Seiten- und Frontansicht einer Synchronmechanik in einer ersten Ausführungsform,
- Fig. 3
- einen im wesentlichen horizontalen Schnitt durch die Synchronmechanik entlang der Schnittlinie III-III nach Fig. 1,
- Fig. 4
- ein Vertikalschnitt entlang der Schnittlinie IV-IV nach Fig. 3,
- Fig. 5 und 6
- Schnitte analog Fig. 3 und 4 mit veränderter Federvorspannung,
- Fig. 7 und 8
- zentral gelegte Vertikalschnitte durch die Synchronmechanik gemäß der Schnittlinie VII-VII nach Fig. 3 mit unterschiedlichen Stellungen des Zusatz-Widerlagers,
- Fig. 9, 10 und 11
- Schnitte analog den Fig. 1, 3 und 7 in nach hinten verschwenkter Stellung der Synchronmechanik,
- Fig. 12
- eine perspektivische, ausschnittsweise Darstellung einer Synchronmechanik in einer zweiten Ausführungsform von schräg hinten, sowie
- Fig. 13 und 14
- eine Draufsicht bzw. Seitenansicht der Synchronmechanik gemäß Fig. 12.
Claims (15)
- Synchronmechanik für Bürostühle umfassendeinen auf einer Stuhlsäule platzierbaren Basisträger (1),einen um eine Querachse (5) schwenkbar am Basisträger (1) angelenkten Rückenlehnenträger (3),einen Sitzträger (4), der im Bereich seines vorderen Endes über ein Dreh-Schiebe-Gelenk (17) um eine Querachse (11) schwenkbar und in Sitzlängsrichtung (SL) verschiebbar mit dem Basisträger (1) und im Bereich seines rückwärtigen Endes um eine Querachse (22) schwenkbar mit dem Rückenlehnenträger (4) gekoppelt ist, sowieeine Federanordnung (23) zur Beaufschlagung der Synchronmechanik entgegen deren Synchron-Verstellbewegung von Sitz- (4) und Rückenlehnenträger (3),die Federanordnung (23) mindestens eine im wesentlichen parallel zur Schieberichtung des Sitzträgers (4) angeordnete Schraubendruckfeder (24) aufweist, wobeifür jede Schraubendruckfeder (24) ein Widerlagerausleger (25) vorgesehen ist, dessen vorderes Ende am Basisträger (1) angelenkt ist und dessen rückwärtiges Ende frei auskragend ein Widerlager (27) für die rückwärtige Abstützung der Schaubendruckfeder (24) bildet, undsich die mindestens eine Schraubendruckfeder (24) jeweils mit ihrem vorderen Ende an einem am Sitzträger (4) gebildeten Widerlager (28) abstützt.
- Synchronmechanik nach Anspruch 1, dadurch gekennzeichnet, dass zur Verstellung der Vorspannung der mindestens einen Schraubendruckfeder (24) der zugehörige Widerlagerausleger (25) in Sitzlängsrichtung (SL) verschiebbar am Basisträger (1) gelagert ist.
- Synchronmechanik nach Anspruch 2, dadurch gekennzeichnet, dass der Widerlagerausleger (25) mit einem Lagerkopf (26) auf einer die Querachse des Dreh-Schiebe-Gelenks (17) bildenden Stellwelle (11) am Sitzträger (4) verschiebbar gelagert ist, wobei die Stellwelle (11) jeweils einen Exzenternocken (35) zur Verstellung des zugehörigen Widerlagerauslegers (25) trägt.
- Synchronmechanik nach Anspruch 3, dadurch gekennzeichnet, dass ein Federpaket aus mehreren Schraubendruckfedern (24) vorgesehen ist, dessen Gesamtvorspannung durch unterschiedliche Abstufung der einzelnen Exzenternocken (35) der Stellwelle (11) in engen Schritten variierbar ist.
- Synchronmechanik nach einem der vorgenannten Ansprüche, dadurch gekennzeichnet, dass die Widerlagerausleger (25) als Stangen ausgeführt sind, auf denen die Schraubendruckfedern (24) aufgesetzt sind.
- Synchronmechanik nach einem der vorgenannten Ansprüche, dadurch gekennzeichnet, dass sich die mindestens eine Schraubendruckfeder (24) über eine quer zur Sitzlängsrichtung (SL) erstreckende Stützleiste (28) als Widerlager des Sitzträgers (4) abstützt, die in einer Lagerausnehmung (29) schwenkbar gleitgelagert ist.
- Synchronmechanik mindestens nach Anspruch 3, dadurch gekennzeichnet, dass der Lagerkopf (26) der jeweiligen Widerlagerausleger (25) als Rahmen ausgebildet ist, dessen parallel zur Sitzlängsrichtung (SL) verlaufenden Rahmenwände (33) jeweils eine langlochförmige Lagerausnehmung (34) aufweisen, mittels denen der Widerlagerausleger (25) in Sitzlängsrichtung (SL) auf der Stellwelle (11) verschiebbar gelagert ist.
- Synchronmechanik nach Anspruch 7, dadurch gekennzeichnet, dass die vorderseitigen Rahmenwand (37) des jeweiligen Lagerkopf-Rahmens (26) von dem zugehörigen Exzenternocken (35) beaufschlagt ist.
- Synchronmechanik nach einem der vorgenannten Ansprüche, dadurch gekennzeichnet, dass mindestens ein Widerlagerausleger (25) am rückwärtigen Ende mit einem in Sitzlängsrichtung (SL) verstellbaren Zusatz-Widerlager (38) versehen ist.
- Synchronmechanik nach Anspruch 9, dadurch gekennzeichnet, dass das verstellbare Zusatz-Widerlager durch einen auf dem Widerlagerausleger (25) verschiebbar geführten Schieber (39) gebildet ist, der von einer Exzenternockenwelle (41) betätigbar ist.
- Synchronmechanik nach Anspruch 10, dadurch gekennzeichnet, dass die Exzenternockenwelle (41) an einer Lagerstrebe (43) angebracht ist, die sich vom vorderen Ende des Widerlagerauslegers (25) aus nach hinten erstreckt.
- Synchronmechanik nach Anspruch 1, dadurch gekennzeichnet, dass der mindestens eine Widerlagerausleger (25) als von einem Stellantrieb (50) am Basisträger (1) drehantreibbare Stellwelle (51) ausgebildet ist, auf deren rückwärtigem Ende ein durch eine Wellendrehung spindelartig in Richtung der Federkraft der Schraubendruckfeder (24) verstellbarer Widerlageranschlag (64) gelagert ist.
- Synchronmechanik nach Anspruch 12, dadurch gekennzeichnet, dass der Stellantrieb (50) eine im vorderen Bereich des Basisträgers (1) quer zur Erstreckungsrichtung der Stellwelle(n) (51) angeordnete Betätigungswelle (52) aufweist, die über ein Umlenkgetriebe (49) mit dem vorderen Ende der Stellwelle(n) (51) gekoppelt ist.
- Synchronmechanik nach Anspruch 13, dadurch gekennzeichnet, dass mindestens zwei Stellwellen (51 ) in einem auf einer Umlenkgetriebewelle (49) sitzenden Lagerbügel (65) mit ihrem vorderen Ende drehbar gelagert sind.
- Synchronmechanik nach Anspruch 12, dadurch gekennzeichnet, dass das Umlenkgetriebe (49) ein Kegelradgetriebe (61 ) zwischen der mindestens einen Stellwelle (51) und einer Getriebewelle (57) aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10241562 | 2002-09-07 | ||
DE10241562A DE10241562A1 (de) | 2002-09-07 | 2002-09-07 | Synchronmechanik für Bürostühle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1396213A1 EP1396213A1 (de) | 2004-03-10 |
EP1396213B1 true EP1396213B1 (de) | 2005-02-09 |
Family
ID=31502482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03020251A Expired - Lifetime EP1396213B1 (de) | 2002-09-07 | 2003-09-08 | Synchronmechanik für Bürostühle |
Country Status (6)
Country | Link |
---|---|
US (1) | US6796611B2 (de) |
EP (1) | EP1396213B1 (de) |
AT (1) | ATE288694T1 (de) |
DE (2) | DE10241562A1 (de) |
DK (1) | DK1396213T3 (de) |
ES (1) | ES2236656T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3903642A1 (de) * | 2016-06-10 | 2021-11-03 | CO.FE.MO. Industrie S.R.L. | Gelenksystem für stühle |
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DE20319455U1 (de) * | 2002-12-31 | 2004-04-22 | Metalseat S.R.L., Galliera Veneta | Vorrichtung zur Einstellung der Federdruckkraft in einem Gelenk für Sitze |
DE10357165A1 (de) * | 2003-12-06 | 2005-06-30 | Bock-1 Gmbh & Co. | Synchronmechanik für Bürostühle |
US7147285B2 (en) * | 2004-01-20 | 2006-12-12 | Tung Yu Oa Co., Ltd. | Reclining apparatus for chair |
EP1758484A1 (de) | 2004-06-14 | 2007-03-07 | Vitra Patente AG | Stuhl mit einer synchronmechanik |
ITMI20050116U1 (it) * | 2005-04-06 | 2006-10-07 | Donati Spa | Meccanismo di sincronizzazione per sedie o poltrone |
ITMI20060808A1 (it) * | 2006-04-21 | 2007-10-22 | Donati Spa | Dispositivo per regolare la forza elastica esercitata da una pluralita' di molle |
EP2010027A2 (de) * | 2006-04-27 | 2009-01-07 | Vitra Patente AG | Mechanik für einen stuhl |
WO2008049435A1 (en) * | 2006-10-23 | 2008-05-02 | Ideassociates (Iom) Ltd | A synchronizing device for an office chair |
BRPI0807127A2 (pt) | 2007-01-29 | 2011-09-13 | Miller Herman Inc | estrutura de assento e métodos para uso da mesma |
ITMI20070718A1 (it) * | 2007-04-06 | 2008-10-07 | L & P Property Management Co | Dispositivo di regolazione per sedie regolabili e simili. |
ITMI20070719A1 (it) * | 2007-04-06 | 2008-10-07 | L & P Property Management Co | Dispositivo di inclinazione per un sedile reclinabile. |
DE102007040175B3 (de) * | 2007-05-07 | 2008-06-05 | Bock 1 Gmbh & Co. Kg | Synchronmechanik für Bürostühle |
WO2009057168A1 (en) | 2007-10-30 | 2009-05-07 | Donati S.P.A. | A mechanism for adjusting the pre-load of a stiffening spring for seats |
US8172324B2 (en) * | 2008-06-06 | 2012-05-08 | Knoll, Inc. | Preference control mechanism |
KR100951999B1 (ko) * | 2009-01-15 | 2010-04-08 | 곽수만 | 디스플레이 틸팅장치 |
DE102009009287A1 (de) * | 2009-02-17 | 2010-09-09 | Uhlenbrock, Christel | Sitzmöbel, insbesondere Bürodrehstuhl |
BR112012021407B1 (pt) | 2010-02-26 | 2020-06-09 | Donati Spa | dispositivo para sincronizar a inclinação do encosto e do assento de uma cadeira |
WO2012048863A1 (de) * | 2010-10-15 | 2012-04-19 | Bock 1 Gmbh & Co. Kg | Synchronmechanik |
JP5724063B2 (ja) * | 2010-12-27 | 2015-05-27 | コクヨ株式会社 | 椅子 |
JP2012135398A (ja) | 2010-12-27 | 2012-07-19 | Kokuyo Co Ltd | 椅子 |
USD697726S1 (en) * | 2012-09-20 | 2014-01-21 | Steelcase Inc. | Chair |
DE202013102059U1 (de) * | 2013-05-11 | 2014-08-12 | Bock 1 Gmbh & Co. Kg | Synchronmechanik |
PL2886015T3 (pl) | 2013-12-17 | 2017-01-31 | Donati S.P.A. | Fotel z regulowanym oparciem |
DE102014104870A1 (de) * | 2014-04-04 | 2015-10-08 | Bock 1 Gmbh & Co. Kg | Mechanik für einen Bürostuhl |
CA2852691A1 (en) * | 2014-05-27 | 2015-11-27 | Keilhauer Ltd. | Seat pan-based spring tilt mechanism |
ES2596510B1 (es) * | 2016-08-02 | 2017-04-18 | Actiu Berbegal Y Formas S.A. | Dispositivo para la basculación del respaldo de sillas de oficina |
IT201700112144A1 (it) * | 2017-10-06 | 2019-04-06 | Co Fe Mo Ind S R L | Sistema di oscillazione per sedie |
US10383448B1 (en) | 2018-03-28 | 2019-08-20 | Haworth, Inc. | Forward tilt assembly for chair seat |
DE102020101033A1 (de) | 2020-01-17 | 2021-07-22 | Bock 1 Gmbh & Co. Kg | Träger für ein Sitzmöbel |
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US2650646A (en) * | 1949-08-23 | 1953-09-01 | Bassick Co | Resiliently mounted tiltable seat and back rest |
US4013258A (en) * | 1974-12-24 | 1977-03-22 | Frank Doerner | Chair control for tiltable chairs |
DE8401000U1 (de) * | 1984-01-14 | 1984-04-05 | Mauser Waldeck AG, 3544 Waldeck | Drehsessel |
US5026117A (en) * | 1987-11-10 | 1991-06-25 | Steelcase Inc. | Controller for seating and the like |
JPH0716457B2 (ja) * | 1991-06-26 | 1995-03-01 | 株式会社岡村製作所 | 椅子の背凭れの傾動緩衝装置 |
US5249839A (en) * | 1991-11-12 | 1993-10-05 | Steelcase Inc. | Split back chair |
IL103477A0 (en) * | 1992-10-20 | 1993-03-15 | Paltechnica Nitzanim | Office and like chairs |
DE4324543C2 (de) * | 1993-07-22 | 2003-06-26 | Dauphin Friedrich W Gmbh | Stuhl, insbesondere Bürostuhl |
AT402602B (de) * | 1995-02-28 | 1997-07-25 | Eckhard Hansen Dipl Ing | Stuhl stuhl |
DE19810768B4 (de) | 1998-03-06 | 2009-09-24 | Drabert Gmbh | Bürostuhl |
DE19823632C1 (de) * | 1998-05-27 | 1999-09-30 | Roeder Peter | Stuhl, insbesondere Bürostuhl |
DE29819143U1 (de) * | 1998-10-21 | 1999-02-11 | Drabert Gmbh | Bürostuhl mit einer nachführbaren Rückenlehne |
DE19922442A1 (de) * | 1999-05-07 | 2000-11-30 | Sdm Hansen Ag St Margrethen | Stuhl |
DE10008453C2 (de) * | 2000-02-23 | 2002-07-18 | Koenig & Neurath Ag | Federeinheit zur Gewichtseinstellung eines Stuhls |
AU2002224783A1 (en) * | 2000-10-18 | 2002-04-29 | Roder Haworth Buro-Sitzmobel Gmbh | Office chair |
DE10125994A1 (de) | 2001-05-18 | 2002-11-21 | Bock 1 Gmbh & Co | Synchronmechanik für eine korrelierte Sitz-Rückenlehnen-Bewegung eines Bürostuhles |
-
2002
- 2002-09-07 DE DE10241562A patent/DE10241562A1/de not_active Withdrawn
-
2003
- 2003-09-08 DE DE50300310T patent/DE50300310D1/de not_active Expired - Lifetime
- 2003-09-08 US US10/656,101 patent/US6796611B2/en not_active Expired - Lifetime
- 2003-09-08 EP EP03020251A patent/EP1396213B1/de not_active Expired - Lifetime
- 2003-09-08 AT AT03020251T patent/ATE288694T1/de not_active IP Right Cessation
- 2003-09-08 ES ES03020251T patent/ES2236656T3/es not_active Expired - Lifetime
- 2003-09-08 DK DK03020251T patent/DK1396213T3/da active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3903642A1 (de) * | 2016-06-10 | 2021-11-03 | CO.FE.MO. Industrie S.R.L. | Gelenksystem für stühle |
Also Published As
Publication number | Publication date |
---|---|
US6796611B2 (en) | 2004-09-28 |
DK1396213T3 (da) | 2005-05-02 |
ES2236656T3 (es) | 2005-07-16 |
US20040140703A1 (en) | 2004-07-22 |
DE50300310D1 (de) | 2005-03-17 |
DE10241562A1 (de) | 2004-03-18 |
EP1396213A1 (de) | 2004-03-10 |
ATE288694T1 (de) | 2005-02-15 |
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