EP1454569B1 - Stuhl, insbesondere Bürostuhl - Google Patents

Stuhl, insbesondere Bürostuhl Download PDF

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Publication number
EP1454569B1
EP1454569B1 EP04004813A EP04004813A EP1454569B1 EP 1454569 B1 EP1454569 B1 EP 1454569B1 EP 04004813 A EP04004813 A EP 04004813A EP 04004813 A EP04004813 A EP 04004813A EP 1454569 B1 EP1454569 B1 EP 1454569B1
Authority
EP
European Patent Office
Prior art keywords
seat support
support part
chair
adjusting
axis
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
Application number
EP04004813A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1454569A1 (de
Inventor
Manfred Elzenbeck
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.)
Friedrich W Dauphin GmbH and Co
Dauphin Entwicklungs und Beteiligungs GmbH
Original Assignee
Friedrich W Dauphin GmbH and Co
Dauphin Entwicklungs und Beteiligungs GmbH
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 Friedrich W Dauphin GmbH and Co, Dauphin Entwicklungs und Beteiligungs GmbH filed Critical Friedrich W Dauphin GmbH and Co
Publication of EP1454569A1 publication Critical patent/EP1454569A1/de
Application granted granted Critical
Publication of EP1454569B1 publication Critical patent/EP1454569B1/de
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
    • 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
    • A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/03233—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 a rack-and-pinion or like gearing 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
    • A47C1/03205—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
    • A47C1/03261—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 chair, in particular an office chair, after Preamble of claim 1.
  • Such a chair is known from DE 43 24 545 A1.
  • a so-called synchronous mechanism at the backrest and seat in a certain predetermined ratio to be pivoted simultaneously.
  • a power storage in the form of a helical compression spring arranged, by means of between the front seat support part and the rear seat support part is generated a force which the backrest in its front end position and the rear area of the seat in his upper position presses.
  • a so-called seesaw mechanism is given, that is, the user can against the restoring force of the backrest bobbing with your back.
  • the restoring force of the energy storage device can by means of a set screw from below the front seat support part ago Changing the distance of the support of the energy storage of the Swivel axis to be changed. To change the restoring force must the user of the chair get off this and press the knob.
  • the invention is based on the object, a chair of the generic Form such a way that an adjustment of the restoring force of the Force accumulator is possible in a simpler manner.
  • the essence of the invention lies in between the adjusting element and the Actuating rotary handle to provide a coupling element which the Transmission of torque from the actuating knob on the actuator permits, without it being necessary that the axis of rotation of the adjusting element aligned with that of the actuating knob. This leads to a greater freedom in the design of the actuating knob, so that this is more accessible to the user, especially when sitting can be executed.
  • the coupling element can be in particular designed so that actuator element arrangements already existing Chair designs are added in a structurally simple way can.
  • Coupling elements according to claim 2 or 3 also allow the safe Transmission of relatively large transmission forces.
  • a coupling element with a flexible shaft according to claim 5 is particularly easy to set up.
  • An actuating rotary handle according to claim 6 is also accessible while sitting.
  • a control element according to claim 7 is structurally inexpensive.
  • a backrest height adjustment device 16 is provided.
  • the described embodiment of the seat support 5 with the arrangement of Seat 10 and the backrest 15 forms a so-called synchronous mechanism.
  • a total provided with 17 designated force variation device that still will be explained in detail.
  • Part of the force changing device 17 is a over the front seat support member 6 downwardly projecting adjusting nut 18, of which in Fig. 1, a freely rotatable cap 19 is visible.
  • the chair column 4 has the height adjustment of the seat support 5 with the seat 10 and the backrest 15 a known length-adjustable gas spring 21st on, which is shown in Fig. 3 in plan view.
  • the gas spring 21 is in a Cone formed clamping device 22 of the front seat support part. 6 held clamped. From the gas spring 21 projects upwards a valve actuating pin 23 out, when it is inserted into the gas spring 21 a there existing valve is opened, causing length adjustments of the gas spring 21 become possible.
  • Such gas springs are for example in the DE 18 12 282 C2 (corresponding to US Pat. No. 3,656,593).
  • Valve operating lever 24 To actuate the valve actuating pin 23 is a two-armed Valve operating lever 24 is provided, which pivotally against the Swivel axis 8 is supported, as described for example in DE 43 24 545 A1 is. A first lever arm 25 of the valve operating lever 24 is located against the valve actuating pin 23, while the second lever arm 26th be operated via a known from DE 43 24 545 A1 lever mechanism can.
  • a biased Screw compression spring 28 is.
  • the energy storage 27 th a helical compression spring 28 passing through the guide rod 30.
  • the compression coil spring 28 is supported against a shoe 31 of the force changing device 17 from.
  • the sliding shoe 31 in turn abuts against a sliding surface 32, which at a first, short lever arm 33 of the rear seat support part 7 is formed.
  • the lever arm 33 is integrally formed with the rear seat support member 7 and extends from the pivot axis 8 from substantially downwards. Geometric In this respect, the rear seat support part 7 is designed as an angle lever.
  • the guide rod 30 of the slide shoe 31 along the helical compression spring 28 movable. At one of the abutment 29 opposite Adjustment section 34 of the guide rod 30 engages the force changing device 17 on.
  • a adjoining the adjusting portion 34 connecting portion 35 of the guide rod 30 passes through the first lever arm 33 of the rear seat support member 7.
  • the screw compression spring 28 penetrating portion of the guide rod 30 is the Connecting portion 35 toward the rear seat support member 7 angled.
  • the adjusting portion 34 of the guide rod 30 is therefore on the bent back seat support part 7 to and the seat support 5 adjacent arranged.
  • Part of the force changing device 17 is an adjusting screw 36, the on the adjusting portion 34 of the guide rod 30 via a pivot joint with Swivel axis 37 is pivotally articulated.
  • the distance between the pivot axis 8 between the seat support parts 6, 7 on the one hand and the central axis of the helical compression spring 28 on the other is designated in Fig. 5 with a.
  • the adjusting screw 36 engages in the adjusting nut 18, which in a lower Wall 38 of the front seat support member 6 rotatably, but in the direction of the screw 36 is mounted immovably.
  • the adjusting nut 18 On the cap 19 opposite End, the adjusting nut 18 has a straight toothed conical section 39 on. In the sprocket of this engages a likewise straight toothed Cone portion 40 of an end portion 41 of an actuating rotary handle 42 on.
  • the two cone sections 39, 40 thus form a straight-toothed Bevel gear.
  • a rotation axis 43 of the adjusting screw 36 and an axis of rotation 44 of the actuating rotary handle 42 are not aligned with each other, but intersect and close a right one with each other Angle.
  • the end portion 41 is in a side wall 45 of the front Seat support part 6 rotatably, but axially to the axis of rotation 44 of the actuating rotary handle 42 immovably stored.
  • the free end of the actuating rotary handle 42 is as an oval handle 46th formed with recessed grips 47.
  • the handle 46 has a central bore 48, which at the free end of the handle 46 by a depressed Cap 49 is closed. Introduced into the hole is a Connecting screw 50, which the handle 46 at the end portion 41 of Actuator rotary handle 42 holds.
  • the of the helical compression spring 28 on the first lever arm 33 of the rear Seat support part 7 acting force is therefore not changed; it will merely by changing the distance a between the axis of Force accumulator 27 and the pivot axis 8 of the effective lever arm, the Overall, that is from the helical compression spring 28 on the rear Seat support part 7 and thus on the seat 10 and the backrest 15 acting Torque, changed.
  • This torque is smaller, the smaller the smaller the distance is a and vice versa.
  • the on the actuating handle 42nd applied adjusting forces over the entire adjustment of the shoe 31 can be kept constant, as frictional forces between the shoe 31 and the sliding surface 32 and also the actuating forces the mechanical coupling between the guide rod 30 and the actuating knob 42 practically do not change.
  • Locking device 50 To the joint pivoting of the seat 10 and the backrest 15 in the synchronous mechanism against the force of the coil compression spring To be able to switch off 28 is one shown in FIGS. 6 to 8 Locking device 50 is provided.
  • the locking device 50 comprises a latch 51, which on the front seat support part 6 about a pivot joint is articulated pivotably with pivot axis 52.
  • the pivot axis 52 substantially coincides with that of the abutment 29.
  • At its free, facing away from the pivot axis 52 end has the bolt 51 a horizontally disposed locking bolt 53, the on Latch 51 is fixed and this passes through so that it is on both sides beyond the bolt 51 in the horizontal direction.
  • Part of the locking device 50 is a cooperating with the latch 51 Counter body 54. This is on the front seat support part 6 to a Swivel joint with pivot axis 55 pivotally articulated.
  • the Swivel axes 52, 55 are spaced apart and parallel.
  • the counterbody 54 has two spaced apart, parallel, vertical and Plates 56 arranged perpendicular to the pivot axis 55. These have in rough approximation, a triangular shape, wherein the pivot axis 55 opposite side as a bar-peripheral portion 57 approximated is located on a circular arc section whose center through the Swivel axis 55 is formed.
  • each substantially semi-circular latch receptacles 58 formed, wherein in each case two bolt receptacles in each one of the plates 56 in pairs with each other aligned.
  • the width of the bolt receptacles 58 is complementary to Lock bolt 53 of the bolt 51 dimensioned such that the locking bolt 53rd engage substantially free of play in a pair of bolt receptacles 58 can.
  • This engagement of the locking bolt 53 takes place in the bolt receptacles 58 such that in each case one of the two free ends of the locking bolt 53 in one of the two bolt receptacles 58 of the corresponding pair of Lock receptacles 58 engages.
  • a pivot joint with pivot axis 59 is on the counter body 54 as Coupling element articulated a connecting member 60.
  • the pivot axes 55 and 59 are spaced apart and parallel.
  • about another Swivel joint with pivot axis 61 is the connecting member 60 at the first, short lever arm 33 of the rear seat support part 7 hinged.
  • the Pivot axis 61 is in this case parallel to the pivot axes 8 and 59 and spaced apart from these.
  • Fig. 7 shows the locking device 50 in a position in which the Lock bolt 53 in the side view of Figs. 7 and 8 furthest Left illustrated latch receptacle 58 is assigned. In this position is the rear seat support member 7 with the backrest support 14 in the furthest upright position.
  • Fig. 8 shows the locking device 50 in a position in which the Latch bolt 53 of FIGS. 7 and 8 furthest to the right Latch receptacle 58 is assigned. In this position, the rear seat support part 7 with the backrest support 14 furthest back in a lying position inclined.
  • the connecting member 60 therefore acts as mechanical translation member, which is the pivoting of the counter body 54 in relation to the pivoting of the rear seat support part. 7 translated.
  • the locking device 50 is disabled, so that a synchronous relative movement between the seat support parts 6, 7 allows is. If the user overrides the synchronous mechanism, ie the seat support parts 6, 7 wants to lock against each other, he brings first by appropriate pressure on the backrest 15 and thus on the Backrest support 14 on the rear seat support part 7 latter in one desired relative position to the front seat support part 6. In connection the user actuates the operating handle 63 and moves the locking bolt 53 in the direction of the bolt peripheral portion 57 to.
  • the connecting member 60 ensures by its translation function here, that despite the not too small Distance of the bolt receptacles 58 in the circumferential direction of the bolt peripheral portion 57 to each other a fine gradation of discrete relative positions the seat support parts 6, 7 is given.
  • Figs. 5 to 8 and Figs. 10 and 11 show details of the seat tilt adjusting device 13.
  • the support axis 12 is for this purpose by a first lever arm 70 of a Ne Trentsverstellhebels 71, which is parallel to the pivot axis 8 Swivel axis 72 is pivotable.
  • a second lever arm 73 is via a pivot joint with also to the pivot axis 8 parallel Swivel axis 74 a tilt adjustment screw 75 hinged. This is axial slidably and non-rotatably mounted.
  • the tilt adjustment screw 75 engages in a tilt adjusting nut 76, which in a lower wall 77 of the rear Seat support part 7 rotatable, but in the direction of the tilt adjustment screw 75 is mounted immovably.
  • the tilt adjusting nut 76 has a spur gear Cone section 78 on.
  • a likewise straight-toothed conical portion 79 of an end portion 80 of a tilt-actuated rotary handle 81 In the sprocket of this attacks a likewise straight-toothed conical portion 79 of an end portion 80 of a tilt-actuated rotary handle 81.
  • the two cone sections 78, 79 form thus a straight bevel gear.
  • An axis of rotation 82 of the screw 75 and an axis of rotation 83 of the tilt actuation rotary handle 81 do not curse with each other, but intersect and close together a right angle.
  • the end portion 80 is in a side wall 84 of a housing 85 which is attached to the rear seat support part 7 is rotatable, but axially to the axis of rotation 83 of the tilt-actuated rotary handle 81 immovably stored.
  • the free end of the actuating knob 81 is like that of the actuating knob 42 designed as an oval handle 46, so that on the related description of the actuating rotary handle 42 referenced can be.
  • a flexible Wave in particular a spring shaft.
  • Such flexible waves for Power transmission are known.
  • With such a flexible shaft can also a mechanical coupling of the rotational movements of the tilt actuation rotary handle 81 about the axis of rotation 83 on the one hand and the set screw 75 take place about the axis of rotation 82 on the other.

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  • 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)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Hydrogenated Pyridines (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Plural Heterocyclic Compounds (AREA)
EP04004813A 2003-03-07 2004-03-02 Stuhl, insbesondere Bürostuhl Expired - Lifetime EP1454569B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10309921A DE10309921A1 (de) 2003-03-07 2003-03-07 Stuhl, insbesondere Bürostuhl
DE10309922A DE10309922A1 (de) 2003-03-07 2003-03-07 Stuhl, insbesondere Bürostuhl
DE10309921 2003-03-07
DE10309920A DE10309920A1 (de) 2003-03-07 2003-03-07 Stuhl, insbesondere Bürostuhl

Publications (2)

Publication Number Publication Date
EP1454569A1 EP1454569A1 (de) 2004-09-08
EP1454569B1 true EP1454569B1 (de) 2005-11-16

Family

ID=42315213

Family Applications (3)

Application Number Title Priority Date Filing Date
EP04004813A Expired - Lifetime EP1454569B1 (de) 2003-03-07 2004-03-02 Stuhl, insbesondere Bürostuhl
EP04004812A Expired - Lifetime EP1454566B1 (de) 2003-03-07 2004-03-02 Stuhl, insbesondere Bürostuhl
EP04004811A Expired - Lifetime EP1454568B1 (de) 2003-03-07 2004-03-02 Stuhl, insbesondere Bürostuhl

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP04004812A Expired - Lifetime EP1454566B1 (de) 2003-03-07 2004-03-02 Stuhl, insbesondere Bürostuhl
EP04004811A Expired - Lifetime EP1454568B1 (de) 2003-03-07 2004-03-02 Stuhl, insbesondere Bürostuhl

Country Status (10)

Country Link
US (3) US6945603B2 (es)
EP (3) EP1454569B1 (es)
CN (3) CN100486482C (es)
AT (3) ATE399490T1 (es)
DE (6) DE10309920A1 (es)
DK (3) DK1454566T3 (es)
ES (3) ES2273107T3 (es)
HK (2) HK1069296A1 (es)
PL (2) PL1454568T3 (es)
ZA (3) ZA200401855B (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9004597B2 (en) 2012-09-20 2015-04-14 Steelcase Inc. Chair back mechanism and control assembly

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO317791B1 (no) * 2002-01-04 2004-12-13 Stokke As Bevegelig ledd
ITVE20030014A1 (it) * 2003-04-10 2004-10-11 Imarc Spa Dispositivo di regolazione del grado di precarica delle molle in meccanismi di sedie da ufficio.
US7500718B2 (en) * 2004-05-14 2009-03-10 Haworth, Inc. Tilt tension mechanism for chair
US20060220431A1 (en) * 2005-03-17 2006-10-05 Kwa Ing C Chair control device
US7261368B1 (en) * 2006-02-27 2007-08-28 Todd Clausnitzer Ergonomic chair
MX2008012255A (es) * 2006-03-24 2008-10-07 Miller Herman Inc Pieza de mobiliario.
EP2010027A2 (de) * 2006-04-27 2009-01-07 Vitra Patente AG Mechanik für einen stuhl
DE102006023982A1 (de) * 2006-05-22 2007-12-06 Wilkhahn Wilkening + Hahne Gmbh & Co. Kg Stuhl
DE102006023981A1 (de) * 2006-05-22 2007-12-06 Wilkhahn Wilkening + Hahne Gmbh & Co. Kg Stuhl
US20070290537A1 (en) * 2006-06-13 2007-12-20 Tung Yu Oa Co., Ltd. Recliner
US7922630B1 (en) * 2006-06-15 2011-04-12 Roger Batca Adjustable bicep curl support pads
DE102006049676B4 (de) * 2006-10-18 2008-12-11 Sedus Stoll Ag Stuhl mit neigbarem Sitz
DE502007002330D1 (de) * 2007-01-22 2010-01-28 Stoll Sedus Ag Stuhl mit neigbarem Sitz
US7922248B2 (en) 2007-01-29 2011-04-12 Herman Miller, Inc. Seating structure and methods for the use thereof
ITMI20070719A1 (it) * 2007-04-06 2008-10-07 L & P Property Management Co Dispositivo di inclinazione per un sedile reclinabile.
ITMI20070718A1 (it) * 2007-04-06 2008-10-07 L & P Property Management Co Dispositivo di regolazione per sedie regolabili e simili.
US7467826B1 (en) * 2007-08-14 2008-12-23 Hurng Taih Plastic Master Batch Co., Ltd. Resilience tilt-adjusted device of backrest
US8015981B2 (en) * 2007-08-19 2011-09-13 Anastasia Soare Stencils and gauging device for aesthetically pleasing eyebrow shaping
CA2700254C (en) * 2007-09-20 2013-12-17 Herman Miller, Inc. Body support structure
ATE499862T1 (de) * 2007-10-30 2011-03-15 Donati Spa Mechanismus zum verstellen der vorspannung einer versteifungsfeder für sitze
WO2009079696A1 (en) * 2007-12-20 2009-07-02 Comfort Concepts Pty Limited Seating systems incorporating self-inflating adjustable supports
US7530637B1 (en) * 2008-03-18 2009-05-12 Yao-Chuan Wu Chair assembly
KR101564800B1 (ko) * 2009-02-25 2015-10-30 도나티 에스.피.에이. 의자의 등받이와 시트의 경사를 동조화하기 위한 장치
ES2333768B1 (es) * 2009-07-21 2010-10-13 Actiu Berbegal Y Formas, S.A. Silla de oficina.
KR101009490B1 (ko) * 2010-04-28 2011-01-21 주식회사 토치 앉는 위치가 조절되는 좌판부의 이동구조를 갖는 의자
US9962307B2 (en) 2010-12-20 2018-05-08 Restoration Robotics, Inc. Adjustable hair transplantation chair
WO2013004253A1 (en) * 2011-07-01 2013-01-10 L&P Property Management Company Tilt mechanism for a chair and chair
TW201311188A (zh) * 2011-07-15 2013-03-16 Itoki Corp 搖椅及使用於其之彈簧單元
DE202012002288U1 (de) * 2012-03-08 2012-05-11 Walter Knoll Ag & Co. Kg Funktionsstuhl
CN102846067B (zh) * 2012-09-18 2014-10-15 浙江永艺家具股份有限公司 一种转椅靠背锁定机构
MX2015003446A (es) * 2012-09-20 2015-06-04 Steelcase Inc Montaje de brazo de silla.
US11304528B2 (en) 2012-09-20 2022-04-19 Steelcase Inc. Chair assembly with upholstery covering
NO335007B1 (no) * 2012-12-19 2014-08-25 Scandinavian Business Seating AS Anordning ved vippebeslag for stol
US8939509B2 (en) * 2013-04-11 2015-01-27 Hangzhou Zhongtai Industrial Group Co., Ltd. Chair chassis
CN103330403B (zh) * 2013-07-19 2016-02-10 湖州奥圣家具有限公司 一种转椅的调节装置
CN103330404B (zh) * 2013-07-19 2016-06-08 湖州奥圣家具有限公司 一种设有多功能调节装置的转椅
CN105266431B (zh) * 2014-06-02 2018-06-22 大河精工有限公司 椅子组件
DE102016104638A1 (de) * 2016-03-14 2017-09-14 Burkhard Schmitz Stuhl
CN106617848A (zh) * 2016-11-08 2017-05-10 安吉恒林科技发展有限公司 椅子倾仰调节装置及带有该装置的椅子
FI128663B (en) * 2018-10-31 2020-09-30 Easydoing Oy Bridge support device for a saddle chair with split seat
US11246417B2 (en) * 2019-08-07 2022-02-15 Chen Raizman Tilt-swivel mechanism chair
CN113729426A (zh) * 2021-05-27 2021-12-03 广东联友办公家具有限公司 一种座椅底盘及座椅

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE23360C (de) * E. CALIX in Zürich, Schweiz Mechanismus zum Verstellen von Stühlen und Tischen in vertikaler Richtung
US1730252A (en) * 1927-04-25 1929-10-01 Adjustable piajsto ok obgast bektch
US2015138A (en) * 1934-02-17 1935-09-24 Benjamin H Drake Chair
US2272980A (en) * 1939-02-11 1942-02-10 Mclellan Chair construction
US2224543A (en) * 1939-03-22 1940-12-10 Frank B Harman Swivel chair
DE1812282C3 (de) * 1968-12-03 1981-07-30 Fritz Bauer + Söhne oHG, 8503 Altdorf Hubvorrichtung zum stufenlosen Höhenverstellen von Tischplatten, Stuhlsitzen u.dgl.
ATE30835T1 (de) * 1983-08-09 1987-12-15 Pledge Office Chairs Neigungsverstellmechanismus fuer einen stuhl.
US4652050A (en) * 1984-01-11 1987-03-24 Herman Miller, Inc. Chair tilt mechanism
DE8401000U1 (de) * 1984-01-14 1984-04-05 Mauser Waldeck AG, 3544 Waldeck Drehsessel
CH668541A5 (de) * 1986-01-07 1989-01-13 Provenda Marketing Ag Arbeitsstuhl, insbesondere zur verwendung als buerostuhl.
US4709963A (en) * 1986-12-12 1987-12-01 Milsco Manufacturing Company Adjustable office chair
JPH0511791Y2 (es) * 1987-08-24 1993-03-24
DE3741472A1 (de) * 1987-12-08 1989-06-22 Simon Desanta Stuhl
US5106157A (en) * 1989-03-01 1992-04-21 Herman Miller, Inc. Chair height and tilt adjustment mechanisms
EP0489961B1 (de) * 1990-12-13 1993-10-13 Christof Stoll GmbH & Co KG Neigungsvorrichtung für ein Sitzmöbel
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
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
US5556163A (en) * 1994-08-17 1996-09-17 Eac Corporation Automatically adjustable office and task chairs
DE4436145A1 (de) * 1994-10-11 1996-04-18 Kusch Co Sitzmoebel Sitzmöbel
US5725276A (en) * 1995-06-07 1998-03-10 Ginat; Jonathan Tilt back chair and control
US5765914A (en) * 1995-06-07 1998-06-16 Herman Miller, Inc. Chair with a tilt control mechanism
ES2182017T3 (es) * 1996-10-14 2003-03-01 Vitra Patente Ag Mecanismo para sillas.
US5813726A (en) * 1997-02-18 1998-09-29 Hoover Universal, Inc. Inertia locking device for a vehicle seat adjustment mechanism
TW414040U (en) * 1997-09-10 2000-12-01 Takano Co Ltd Device for tilting, swaying and fastening
US6250715B1 (en) * 1998-01-21 2001-06-26 Herman Miller, Inc. Chair
WO2000022959A1 (de) * 1998-10-20 2000-04-27 Protoned B.V. Stuhlmechanik
DE19922446B8 (de) * 1999-05-07 2009-02-19 Bock-1 Gmbh & Co. Synchronmechanik für eine korrelierte Sitz-Rückenlehnen-Bewegung eines Bürostuhles
IT1308074B1 (it) * 1999-06-04 2001-11-29 Pro Cord Srl Sedia con sedile e schienale oscillanti in modo sincronizzato
DE20004361U1 (de) * 2000-03-10 2001-04-12 Froli Kunststoffwerk Fromme H Sitz für eine Stehhilfe oder für einen Büro- bzw. Werkstattstuhl
CA2310349A1 (en) * 2000-05-22 2001-11-22 Todd D. Krupiczewicz Office chair
US6607244B2 (en) * 2001-04-02 2003-08-19 Edward L. Stulik Reclining chair
EP1228722B1 (en) * 2001-04-27 2002-08-14 CO.FE.MO. S.p.A. Elastic support device for inclinable portions of office chairs and the like
US6585320B2 (en) * 2001-06-15 2003-07-01 Virco Mgmt. Corporation Tilt control mechanism for a tilt back chair

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9004597B2 (en) 2012-09-20 2015-04-14 Steelcase Inc. Chair back mechanism and control assembly
US9010859B2 (en) 2012-09-20 2015-04-21 Steelcase Inc. Chair assembly
US9022476B2 (en) 2012-09-20 2015-05-05 Steelcase Inc. Control assembly for chair
US9027998B2 (en) 2012-09-20 2015-05-12 Steelcase Inc. Chair assembly
US9027999B2 (en) 2012-09-20 2015-05-12 Steelcase Inc. Control assembly for chair
US9027997B2 (en) 2012-09-20 2015-05-12 Steelcasel Inc. Chair assembly
US9049935B2 (en) 2012-09-20 2015-06-09 Steelcase Inc. Control assembly for chair
USD742677S1 (en) 2012-09-20 2015-11-10 Steelcase Inc. Chair
USD742676S1 (en) 2012-09-20 2015-11-10 Steelcase Inc. Chair
US9345328B2 (en) 2012-09-20 2016-05-24 Steelcase Inc. Chair assembly with upholstery covering
US9451826B2 (en) 2012-09-20 2016-09-27 Steelcase Inc. Chair assembly
US9462888B2 (en) 2012-09-20 2016-10-11 Steelcase Inc. Control assembly for chair
US9492013B2 (en) 2012-09-20 2016-11-15 Steelcase Inc. Chair back mechanism and control assembly

Also Published As

Publication number Publication date
HK1069296A1 (en) 2005-05-20
DE10309920A1 (de) 2004-09-16
US20040212235A1 (en) 2004-10-28
DE502004001375D1 (de) 2006-10-19
US6945603B2 (en) 2005-09-20
CN1526345A (zh) 2004-09-08
PL1454568T3 (pl) 2008-12-31
DK1454568T3 (da) 2008-10-27
EP1454568A3 (de) 2005-01-19
US20040174057A1 (en) 2004-09-09
CN100486482C (zh) 2009-05-13
EP1454568A2 (de) 2004-09-08
EP1454568B1 (de) 2008-07-02
DE502004007465D1 (de) 2008-08-14
ATE338492T1 (de) 2006-09-15
ATE309721T1 (de) 2005-12-15
DK1454569T3 (da) 2006-03-20
ES2255691T3 (es) 2006-07-01
ES2273107T3 (es) 2007-05-01
DK1454566T3 (da) 2007-01-15
EP1454566B1 (de) 2006-09-06
PL1454566T3 (pl) 2007-01-31
DE10309921A1 (de) 2004-09-16
HK1069298A1 (en) 2005-05-20
ZA200401855B (en) 2004-09-08
ATE399490T1 (de) 2008-07-15
DE502004000132D1 (de) 2005-12-22
EP1454569A1 (de) 2004-09-08
CN1526347A (zh) 2004-09-08
ZA200401854B (en) 2004-09-08
US20040174059A1 (en) 2004-09-09
CN100486483C (zh) 2009-05-13
CN1526346A (zh) 2004-09-08
ES2309407T3 (es) 2008-12-16
DE10309922A1 (de) 2004-09-16
EP1454566A1 (de) 2004-09-08
US7036882B2 (en) 2006-05-02
ZA200401853B (en) 2004-09-08

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