EP0960586A2 - Chaise, notamment chaise de bureau - Google Patents

Chaise, notamment chaise de bureau Download PDF

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Publication number
EP0960586A2
EP0960586A2 EP99110065A EP99110065A EP0960586A2 EP 0960586 A2 EP0960586 A2 EP 0960586A2 EP 99110065 A EP99110065 A EP 99110065A EP 99110065 A EP99110065 A EP 99110065A EP 0960586 A2 EP0960586 A2 EP 0960586A2
Authority
EP
European Patent Office
Prior art keywords
backrest
lever
chair
support
seat support
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
EP99110065A
Other languages
German (de)
English (en)
Other versions
EP0960586B1 (fr
EP0960586A3 (fr
Inventor
Johannes Uhlenbrock
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0960586A2 publication Critical patent/EP0960586A2/fr
Publication of EP0960586A3 publication Critical patent/EP0960586A3/fr
Application granted granted Critical
Publication of EP0960586B1 publication Critical patent/EP0960586B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
    • A47C31/126—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for 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
    • A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/03238—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by means of peg-and-notch or pawl-and-ratchet mechanism
    • 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
    • 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

Definitions

  • the present invention relates to a chair, in particular Office chair, with a seat plate, from the underside at least one front seat support arm and at least protrude a rear seat support arm, with a seat support, the solid with a central chair column or more Chair legs connected, and with a backrest, the one at the back under the seat plate and then arranged upward backrest support is that on the seat support by means of a horizontally transverse running backrest swivel joint is mounted, the front seat support arm via at least one lever is articulated to the seat support, the rear seat support arm by means of a horizontally transverse rear seat joint from the backrest swivel joint articulated to the back with the backrest support is connected and wherein a spring arrangement under the seat plate is provided on the seat plate upward acting and one on the backrest forward acting preload.
  • a chair of the type mentioned is from DE 43 13 301 C2 known.
  • the spring arrangement provided for this chair consists of a compression spring between the seat support and the seat plate is arranged. Through the above arrangement of the individual parts of the chair this gives the user the option of upright or in a reclined position on the Sitting chair. Lowered in the reclined position the back of the seat plate, which also makes the Backrest pivoted backwards with the backrest support becomes.
  • Essential to the invention is the new chair in the Prior art used individual, directly on the Seat plate acting compression spring through a spring arrangement replaced, the preload via the two-armed swivel lever is changeable, the change being caused by the Weight load on the seat plate by the chair user done automatically.
  • This will result in no manual intervention causes lightweight users of the The backrest has less force on the chair Exercises the user's back and that in the case of heavyweights Users of the chair whose backrest is stronger Exerts force on the user's back so that depending on the weight of the user of the chair the back of the user always with an appropriate and appropriate Strength is supported by the backrest.
  • the mechanical effort for realizing this Adjustment of the backrest force relatively low, see above that the chair according to the invention can be produced inexpensively is stable, reliable and without great effort can be made durable.
  • Chair is at least one tension spring as a spring arrangement provided, with the front end of the tension spring connected second lever arm of the swivel lever to the rear points and wherein the connection of the rear end of the Tension spring with the backrest support from the backrest support swivel joint is shifted upwards.
  • the pivot lever as a straight line or a maximum of up to 45 ° Lever is executed.
  • This design of the pivot lever has the advantage that the lever is easy to manufacture and that a flat design of the arranged under the seat plate Parts of the chair mechanics is possible. This reduces the space required for the chair mechanics under the Seat plate and improves the visual appearance the chair, especially when viewed from the side.
  • Chair is at least one as a spring arrangement Compression spring provided, the one with the front end the compression spring connected second lever arm of the pivot lever points downwards or is angled and where the connection of the rear end of the compression spring with the Backrest support from the backrest support swivel joint downwards is offset.
  • the swivel lever of the chair as an angle lever with around between about 70 and 110 ° angled lever arms executed.
  • a swivel lever designed in this way can use the preload forces from the compression spring transfer favorable leverage to the seat plate be maintained, while maintaining a compact design remains.
  • connection point of the rear end the spring arrangement on the backrest support in its distance adjustable from the backrest swivel joint.
  • At least one screw, Leg, torsion bar, gas pressure, rubber or elastomer spring provided, such springs an inexpensive and on the market in the most varied Represent versions of components that are readily available.
  • a first embodiment of the chair with the aforementioned Lockability of the backrest support provides that at least a pivotable about a horizontal pivot axis one-armed locking lever on the backrest support in the vertical Distance articulated from the backrest swivel joint is, which is essentially in the horizontal direction
  • Seat carrier extends out and in a first, automatically occupied release position in its longitudinal direction is freely movable relative to the seat support and that in a second, by adjusting an actuating element in the locked position Engagement with at least one arranged on the seat support Locking element occurs, which is a displacement of the Locking lever prevents relative to the seat support.
  • the locking element at least one bolt is through an elongated hole runs in the locking lever, the elongated hole at least a downward recess to block Includes the bolt.
  • the bolt runs through the slot, so that the bolt and the locking lever are unobstructed can move relative to each other. If the locking lever is raised and the bolt enters the recess is, this movement is no longer possible and the seat plate and the backrest is then fixed. Doing so this locking position by the spring force of the spring arrangement and the friction between the bolt and the recess fixed so that the fixation of the seat plate and Backrest is automatically maintained. Only when the Seat plate and the backrest again by a user are loaded, the spring force is influenced so that the lock is released by the locking lever falls down about its swivel axis and again reaches its release position.
  • An alternative version of the chair provides that the locking element by several protruding, parallel to each other on a radius around the pivot axis of the Locking lever extending teeth is formed with the same Teeth attached to the locking lever can be brought in and out of engagement.
  • this version of locking element and locking lever is the same Function achieved as already described above has been; is also advantageous with this second Execution of a finer gradation of the fixing positions possible.
  • the chair can be used in a stepless spring arrangement or graduated positions lockable gas pressure spring be provided.
  • This lockable gas pressure spring brings the desired spring force and enables at the same time a fixation of the backrest support and the associated backrest in a desired Position within the total range of motion of the backrest holder can be selected. If the gas pressure spring is solved, the chair has the entrance outlined mobility of the backrest, then a Swiveling the backrest backwards in connection with a lowering of the rear end of the seat plate solely by shifting the weight of the chair user is possible.
  • the ratio of the movements of the rear end on the one hand the seat plate and on the other hand the backrest determined by the distance of the rear seat joint from the backrest swivel joint.
  • the chair can be a solid one here, for most Positioning suitable for users.
  • the rear seat joint in its position relative to the backrest support and thus in its distance of backrest swivel joint in the longitudinal direction of the backrest support is adjustable and fixable.
  • the ratio of the movements of the rear end the seat plate and the backrest specifically changed by placing the rear seat joint in its position relative to the backrest support either forward, i.e. closer towards the backrest swivel joint or backwards, i.e.
  • a chair 1 is an office swivel chair.
  • the chair 1 includes a seat plate 10 as well one behind this, i.e. arranged on the right in the drawing Backrest 20.
  • a front seat bracket 11 and rear seat support arm 12 down.
  • a backrest support 21 initially runs downward and then forward under the seat plate 10.
  • the backrest 20 is by means of a backrest bearing 22 with a horizontal and transverse to the chair 1 pivot axis articulated to the backrest support 21.
  • a seat support 30 is provided below the seat plate 10, the one at the top of a central chair column 31 is attached.
  • the chair column 31 is only in shown its upper part; closes down a common base, as is known per se, on.
  • the stool column 31 adjustable in height and sprung.
  • the seat bracket 30 extends with its predominant Part of the seat bracket 30 toward the front to the front seat support arm 11.
  • a two-armed pivot lever 40 is mounted on the seat support 30, the one running horizontally and across the chair 1 Pivot axis 43 is pivotable.
  • the front one Lever arm 41 of the pivot lever 40 is via a hinge pin 11 'with the lower end of the front seat support arm 11 articulated.
  • With the rear lever arm 42 of the pivot lever 40 is in a connection point 45 the front end of a tension spring 50, here a screw tension spring, connected.
  • the seat support 30 is by means of a backrest swivel joint 23 with the lower front end of the backrest support 21 connected.
  • This backrest swivel joint 23 also has a horizontal and swivel axis running transversely to the chair 1.
  • the rear seat support arm 12 is by means of a rear Seat joint 13 articulated to the backrest support 21, the rear seat joint 13 from the backrest swivel joint 23 spaced towards the rear is.
  • This rear seat joint 13 also has a horizontal and swivel axis extending transversely to the chair 1 on.
  • the chair 1 shows the chair 1 in a state as he does when he is loaded by a lightweight Occupies users with an upright posture, the user of the chair 1 is not shown here is.
  • one acts on the seat plate 10 relatively little force, which leads to the Swivel lever 40 only to a relatively small extent the tensile force of the spring 50 pivoted counterclockwise is by the front seat bracket 11 front lever arm 41 with a correspondingly low force pushes down.
  • the backrest support 21 lies in this position of the chair occurring at low loads 1 at a stop, not shown, which a further pivoting of the backrest 20 over the Prevents the position shown in Figure 1 to the front.
  • FIG. 2 of the drawing shows the chair 1 in the same representation like FIG. 1, but now in a position, which he is under load by a heavyweight Users in an upright sitting position.
  • the trap has a greater weight on the seat plate 10, which causes the front seat support arm 11th with a greater force on the front lever arm 41 of the pivot lever 40 acts.
  • Has this greater power as a result that the pivot lever 40 by a larger Swivel angle as counterclockwise in Figure 1 is pivoted about the pivot axis 43.
  • This bigger one Pivotal movement of the pivot lever 40 has one greater tension of the tension spring 50 result.
  • the backrest support 21 in the sense of pivoting the Backrest 20 is exercised forward. It is hereby thus causes that when using the chair 1 by a heavy users the backrest 20 with a greater forward force by the spring 50 is preloaded, which is an automatic adjustment to the represents the load that occurs.
  • Figures 3 and 4 of the drawing show the chair 1 in a state like that of a reclined posture of the user occurs, wherein Figure 3 shows the state at a lightweight user and Figure 4 the condition shows a heavy user of the chair 1.
  • the difference between the two in Figure 3 and Figure 4 shown states of the chair 1 is that in Figure 3, the pivot lever 40 by a smaller amount is pivoted counterclockwise than at the pivot lever 40 in Figure 4 is the case.
  • the different one Degree of pivoting of the pivot lever 4 again results from the different Weight force that the user places on the seat plate 10 exercises and the smaller in the case of Figure 3 is as in the case according to Figure 4.
  • the distance between the connection points 25, 45 of the two spring ends of the tension spring 50 is shown as a measure of the spring tension.
  • the spring length X 1 is smaller than the spring length X 2 .
  • the tension of the tension spring 50 is thus smaller in FIG. 1 than in the state according to FIG. 2.
  • the length of the tension spring 50 is X '/ 1 in one case and X' / 2 in the other case X '/ 1 smaller than X' / 2.
  • FIGS. 1 to 4 runs in chair 1 with the user in an upright position according to Figures 1 and 2, the seat plate 10 to the front with a slight downward slope.
  • This tendency is ergonomically favorable and desirable because of this an obstruction of blood circulation in the legs of the Chair user is avoided.
  • Figure 5 is a modification of the chair with additional Facilities shown, only a section here of the chair shown below the seat plate is.
  • a first additional feature when running the Chair according to Figure 5 is that the backrest swivel joint 23 can be set in the desired positions is.
  • Locking mechanism with a manually adjustable Locking lever 24 is provided, in one position of the locking lever 24, the backrest swivel joint 23 is freely movable and in the other position of the Locking lever 24 the backrest swivel joint 23 in locked in a previously set position and then is immobile. In this way, the user of the Chair a pivoting movement of the backrest support 21 and Prevent the backrest 20.
  • connection point 25 of the rear end of the spring 50 relative to the backrest swivel joint 23 in its position changeable and definable in a desired position is, the means for changing position and fixing here by a swiveling and lockable lever 25 'are formed.
  • the pivot axis 26 'of the adjusting lever 25' runs parallel to the swivel axis of the backrest swivel joint 23 offset to the rear by the backrest support 21.
  • a handwheel threaded spindle 26 is used for adjustment on the backrest support 21. This measure is the leverage the tension spring 50 adjustable in advance to a basic setting the one from the backrest 20 to the back To be able to make user exerted force.
  • the connection point 25 is adjusted along here an arcuate path to a radius around the Swivel axis 26 'around.
  • the rear seat joint 13 in its position relative to Backrest support 21 is adjustable in its longitudinal direction and can be locked.
  • Guide 15 is provided, along which the rear seat joint 13 adjustable in the longitudinal direction of the backrest support 21 is.
  • the rear seat joint 13 is a locking mechanism connected via a second locking lever 14 solved if necessary and after reaching the desired Position of the rear seat joint 13 again can be set. Due to this adjustability of the rear seat joint 13 becomes the gear ratio between the lowering angle of the rear end of the seat plate 10 and the pivot angle of the backrest support 21 with the backrest 20 changes, causing an adjustment to the individual needs of the chair user in a still further scope is made possible.
  • Figure 6 of the drawing shows a bottom view of a Chair, with the seat plate and the backrest not are shown.
  • the chair column 31 recognizable, on the top, here from Attached viewer facing end of the seat bracket 30 is.
  • the backrest swivel joint runs at the upper end of the seat support 30 23, by means of which two in parallel backrest supports 21 which run relative to one another and can be pivoted are connected to the seat support 30.
  • By means of the rear seat joint 13 are also parallel mutually extending rear seat support arms 12 with the Back support 21 articulated.
  • each pivot lever 40 lies a front seat support arm 11, which together with the two rear seat support arms 12 the not shown here Wear the seat plate.
  • the respective front lever arm 41 each Swivel lever 40 is connected via a hinge pin 11 'to the front seat support arm 11 articulated.
  • On each another lever arm 42 of the pivot lever 40 engages one end of a coil tension spring 50 in a spring connection point 45 on.
  • the other, rear end the spring 50 is at a spring connection point 25 at Backrest support 21 fixed.
  • FIGS. 7 and 8 show an embodiment of the chair 1 shown, in which a locking of the backrest 20th and the seat plate 10 in two predetermined positions is possible.
  • This is on the front, in the drawing left end of the backrest support 21 above the backrest support swivel joint 23 by means of a pivot axis 63 a locking lever 60 is articulated, which is parallel to the seat support 30 forward, i.e. to the left in the drawing, extends.
  • the locking lever 60 is freely pivotable around the pivot axis 63 and takes under the action of gravity his position shown in Figure 7.
  • each slot 66 runs transversely to this Locking element 36 in the form of a bolt which is fixed to the Seat support 30 is connected. Furthermore is in the seat support 30 an operating lever 62 is provided, which without exercise an actuating force in its visible in Figure 7 Position falls down.
  • Figure 9 of the drawing finally shows a modified Version of the chair 1 with a modified version the lock.
  • a pivotable locking lever 60 is used, which in the same way as in Figures 7 and 8 about the pivot axis 63 is pivotable and that by means of an operating lever 62 from its release position shown in FIG. 9 pivoted upwards into its locked position can be.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
EP99110065A 1998-05-27 1999-05-22 Chaise, notamment chaise de bureau Expired - Lifetime EP0960586B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823632A DE19823632C1 (de) 1998-05-27 1998-05-27 Stuhl, insbesondere Bürostuhl
DE19823632 1998-05-27

Publications (3)

Publication Number Publication Date
EP0960586A2 true EP0960586A2 (fr) 1999-12-01
EP0960586A3 EP0960586A3 (fr) 2001-03-28
EP0960586B1 EP0960586B1 (fr) 2004-05-12

Family

ID=7869039

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99110065A Expired - Lifetime EP0960586B1 (fr) 1998-05-27 1999-05-22 Chaise, notamment chaise de bureau

Country Status (7)

Country Link
US (1) US6234573B1 (fr)
EP (1) EP0960586B1 (fr)
JP (1) JP4141050B2 (fr)
CN (1) CN1119102C (fr)
CA (1) CA2272767C (fr)
DE (2) DE19823632C1 (fr)
TW (1) TWI238050B (fr)

Cited By (12)

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WO2002058514A1 (fr) * 2001-01-06 2002-08-01 Unit Press Limited Chaises
US6637072B2 (en) 2000-09-29 2003-10-28 Formway Furniture Limited Castored base for an office chair
US6802566B2 (en) 2000-09-28 2004-10-12 Formway Furniture Limited Arm assembly for a chair
DE10357165A1 (de) * 2003-12-06 2005-06-30 Bock-1 Gmbh & Co. Synchronmechanik für Bürostühle
DE202005011725U1 (de) * 2005-07-27 2006-12-07 Sander, Armin Stuhl, insbesondere Bürostuhl
US7281764B2 (en) * 2001-10-18 2007-10-16 Haworth, Inc. Tension control mechanism for chair
US11096497B2 (en) 2015-04-13 2021-08-24 Steelcase Inc. Seating arrangement
US11109683B2 (en) 2019-02-21 2021-09-07 Steelcase Inc. Body support assembly and method for the use and assembly thereof
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
US11324325B2 (en) 2015-04-13 2022-05-10 Steelcase Inc. Seating arrangement
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11375820B2 (en) 2018-06-01 2022-07-05 Steelcase Inc. Seating arrangement

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DE10026531C2 (de) * 2000-05-27 2002-06-13 Roeder Peter Stuhl
USD463144S1 (en) 2000-09-28 2002-09-24 Formway Furniture Limited Chair
DE10122948C1 (de) * 2001-05-11 2003-03-13 Armin Sander Stuhl, insbesondere Bürostuhl
JP4137536B2 (ja) * 2002-07-03 2008-08-20 コクヨ株式会社 椅子
DE10241562A1 (de) * 2002-09-07 2004-03-18 Bock-1 Gmbh & Co. Synchronmechanik für Bürostühle
DE10331494B4 (de) * 2003-07-11 2007-06-14 Völkle Bürostühle GmbH Stuhl
DE202005017987U1 (de) * 2005-11-17 2006-01-12 Kintec-Solution Gmbh Sessel
SI1985206T1 (sl) * 2006-02-15 2014-01-31 Perez Vicente Berbegal Pisarniĺ ki stol
US7992936B2 (en) * 2006-03-24 2011-08-09 Herman Miller, Inc. Seat
US8414073B2 (en) * 2006-03-24 2013-04-09 Herman Miller, Inc. Seating arrangement
CN101431923B (zh) * 2006-04-24 2012-03-28 休思乐公司 具有自动调节抗倾斜性能的椅子
JP2009534134A (ja) * 2006-04-27 2009-09-24 ビトラ・パテンテ・アクチエンゲゼルシヤフト 椅子用の機構
DE102006023981A1 (de) 2006-05-22 2007-12-06 Wilkhahn Wilkening + Hahne Gmbh & Co. Kg Stuhl
JP4037438B2 (ja) * 2006-06-29 2008-01-23 沖電気工業株式会社 椅子
DE102006047889B4 (de) * 2006-10-10 2008-10-23 Interstuhl Büromöbel GmbH & Co. KG Sitzmöbel, insbesondere Bürostuhl
NO326574B1 (no) * 2007-03-13 2009-01-12 Sapdesign As Anordning ved stol med justerbar vinkel mellom stolens sete og rygg
CN201123561Y (zh) * 2007-09-06 2008-10-01 陈登慧 椅子结构
MX2010003141A (es) 2007-09-20 2010-06-01 Miller Herman Inc Estructura de soporte de carga.
DE102007059986A1 (de) * 2007-12-11 2009-06-18 Sedus Stoll Ag Bürostuhl
CN102098945B (zh) 2008-05-02 2013-11-06 霍沃思公司 用于重力响应式椅子的张力机构
US8646839B2 (en) * 2008-06-17 2014-02-11 Co.Fe.Mo. Industrie S.R.L. Adjustment device for chairs
DE102009009287A1 (de) 2009-02-17 2010-09-09 Uhlenbrock, Christel Sitzmöbel, insbesondere Bürodrehstuhl
WO2010097818A1 (fr) * 2009-02-25 2010-09-02 Donati S.P.A. Dispositif pour synchroniser l'inclinaison d'un dossier de siège et d'un siège
ES2363706T1 (es) 2009-09-16 2011-08-12 Haworth Gmbh Unidad mecánica de asiento para mueble de asiento, en particular silla giratoria de oficina.
US8272692B1 (en) 2009-10-26 2012-09-25 Epperson Ronald B Office chair having tiltable seat and back
JP5643819B2 (ja) * 2010-05-26 2014-12-17 タカノ株式会社 椅子の背凭れ用反力機構及びこれを組み込んだ椅子
US20110304192A1 (en) * 2010-06-15 2011-12-15 Augustat Betty A Ergometric Chair Apparatus
DE102010033752B4 (de) * 2010-08-07 2020-04-09 Recaro Aircraft Seating Gmbh & Co. Kg Fahrzeugsitz, insbesondere Fluggastsitz
EP2630894A4 (fr) * 2010-10-19 2014-11-12 Okamura Corp Siège à accoudoir
WO2013017279A1 (fr) * 2011-08-03 2013-02-07 Haworth, Inc. Mécanisme de réglage permettant de déterminer une force de rappel qui agit sur un dossier d'une chaise, et chaise de bureau qui comporte un mécanisme de réglage de ce type
US9504326B1 (en) 2012-04-10 2016-11-29 Humanscale Corporation Reclining chair
MY192314A (en) * 2012-09-05 2022-08-17 Godrej & Boyce Mfg Co Ltd Chair with adjustable backrest and seat
CN102846068B (zh) * 2012-09-18 2015-03-04 浙江永艺家具股份有限公司 一种转椅底盘
USD697726S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
US11304528B2 (en) 2012-09-20 2022-04-19 Steelcase Inc. Chair assembly with upholstery covering
CN103054376B (zh) * 2012-12-29 2015-01-28 徐永贵 置物式食堂座椅
DE202013102059U1 (de) * 2013-05-11 2014-08-12 Bock 1 Gmbh & Co. Kg Synchronmechanik
EP2896325B1 (fr) * 2014-01-20 2018-02-28 L&P Property Management Company Mécanisme d'inclinaison pour meuble pour s'asseoir et meuble de type siège comprenant celui-ci
CN106455821A (zh) 2014-04-17 2017-02-22 Hni技术公司 椅子和椅子控制组件、系统和方法
NO339052B1 (no) 2014-10-27 2016-11-07 Sykkylven Staal As Anordning ved sittemøbel
EP3777613A1 (fr) 2015-01-16 2021-02-17 Herman Miller, Inc. Procédé de fabrication d'un élément de suspension
US9713381B2 (en) 2015-06-11 2017-07-25 Davis Furniture Industries, Inc. Chair
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US11253077B2 (en) * 2016-12-21 2022-02-22 Kokuyo Co., Ltd. Chair with return force mechanism
CN107912907A (zh) * 2017-12-20 2018-04-17 无锡优耐特能源科技有限公司 一种新型滑轮椅子
US10966531B2 (en) 2018-01-25 2021-04-06 David James France Ergonomic chair
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IT201900002723A1 (it) * 2019-02-26 2020-08-26 Brado S P A Sedia
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US6802566B2 (en) 2000-09-28 2004-10-12 Formway Furniture Limited Arm assembly for a chair
US6817667B2 (en) 2000-09-28 2004-11-16 Formway Furniture Limited Reclinable chair
US7798573B2 (en) 2000-09-28 2010-09-21 Formway Furniture Limited Reclinable chair
US6637072B2 (en) 2000-09-29 2003-10-28 Formway Furniture Limited Castored base for an office chair
WO2002058514A1 (fr) * 2001-01-06 2002-08-01 Unit Press Limited Chaises
GB2389522A (en) * 2001-01-06 2003-12-17 Unit Press Ltd Chairs
GB2389522B (en) * 2001-01-06 2004-12-08 Unit Press Ltd Spring mechanism for chair with adjustable back
US7281764B2 (en) * 2001-10-18 2007-10-16 Haworth, Inc. Tension control mechanism for chair
DE10357165A1 (de) * 2003-12-06 2005-06-30 Bock-1 Gmbh & Co. Synchronmechanik für Bürostühle
DE202005011725U1 (de) * 2005-07-27 2006-12-07 Sander, Armin Stuhl, insbesondere Bürostuhl
US11096497B2 (en) 2015-04-13 2021-08-24 Steelcase Inc. Seating arrangement
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
US11324325B2 (en) 2015-04-13 2022-05-10 Steelcase Inc. Seating arrangement
US11553797B2 (en) 2015-04-13 2023-01-17 Steelcase Inc. Seating arrangement
US11963621B2 (en) 2015-04-13 2024-04-23 Steelcase Inc. Seating arrangement
US11375820B2 (en) 2018-06-01 2022-07-05 Steelcase Inc. Seating arrangement
US11109683B2 (en) 2019-02-21 2021-09-07 Steelcase Inc. Body support assembly and method for the use and assembly thereof
US11602223B2 (en) 2019-02-21 2023-03-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11910934B2 (en) 2019-02-21 2024-02-27 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11786039B2 (en) 2019-12-13 2023-10-17 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11805913B2 (en) 2019-12-13 2023-11-07 Steelcase Inc. Body support assembly and methods for the use and assembly thereof

Also Published As

Publication number Publication date
EP0960586B1 (fr) 2004-05-12
JPH11346862A (ja) 1999-12-21
DE59909444D1 (de) 2004-06-17
US6234573B1 (en) 2001-05-22
CA2272767C (fr) 2008-04-08
CN1242178A (zh) 2000-01-26
CA2272767A1 (fr) 1999-11-27
EP0960586A3 (fr) 2001-03-28
DE19823632C1 (de) 1999-09-30
CN1119102C (zh) 2003-08-27
JP4141050B2 (ja) 2008-08-27
TWI238050B (en) 2005-08-21

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