EP1454566B1 - Stuhl, insbesondere Bürostuhl - Google Patents
Stuhl, insbesondere Bürostuhl Download PDFInfo
- Publication number
- EP1454566B1 EP1454566B1 EP04004812A EP04004812A EP1454566B1 EP 1454566 B1 EP1454566 B1 EP 1454566B1 EP 04004812 A EP04004812 A EP 04004812A EP 04004812 A EP04004812 A EP 04004812A EP 1454566 B1 EP1454566 B1 EP 1454566B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chair
- adjusting
- axis
- seat
- 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.)
- Expired - Lifetime
Links
- 230000008878 coupling Effects 0.000 claims abstract description 17
- 238000010168 coupling process Methods 0.000 claims abstract description 17
- 238000005859 coupling reaction Methods 0.000 claims abstract description 17
- 230000000295 complement effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 230000001360 synchronised effect Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Images
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, according to the preamble of claim 1.
- the invention has the object of developing a chair of the generic type such that an adjustment of the seat angle of the chair is possible in a simpler manner.
- the gist of the invention is to provide, between the actuator and the tilt actuator handle, a clutch member which permits the transmission of torque from the actuator handle to the actuator without the need for the axis of rotation of the adjusting element is aligned with that of the actuating rotary handle.
- the coupling element can be designed in particular so that adjusting element arrangements of existing chair structures can be completed in a structurally simple manner.
- Coupling elements according to claim 2 or 3 also allow the secure transmission of relatively large transmission forces.
- a coupling element with a flexible shaft according to claim 5 is particularly simple.
- An actuating rotary handle according to claim 6 is also accessible while sitting.
- a control element according to claim 7 is structurally inexpensive.
- Fig. 1 shows an office chair with a chair frame 1. This is provided with a pedestal 2, which is supported by rollers 3 with respect to the ground. On the pedestal 2, a height-adjustable chair column 4 is attached, at whose upper end a seat support 5 is attached.
- the latter is designed in two parts; it has a front seat support part 6, which is mounted on the chair column 4, and a rear seat support part 7, which is articulated above the chair column 4 by means of a pivotable about a pivot axis 8 pivot joint on the front seat support part 6.
- a support tube 9 is fixed, which extends parallel to the pivot axis 8. On this support tube 9 is based Seat 10 shortly behind its leading edge 11 from.
- the support tube 9 therefore represents a front support section for the seat 10.
- the seat 10 is supported in its rear region on a support shaft 12, which is mounted in the rear seat support part 7.
- the support shaft 12 therefore constitutes a rear support portion for the seat 10.
- a seat tilt adjustment device 13 is further arranged at the rear seat support portion 7, arranged.
- a backrest height adjustment device 16 is provided Integral with the rear seat support member 7 . Integral with the rear seat support member 7 is a towering from this backrest support 14 is formed on which a backrest 15 is mounted. In order to adjust their height relative to the seat 10, a backrest height adjustment device 16 is provided.
- the described embodiment of the seat support 5 with the arrangement of the seat 10 and the backrest 15 forms a so-called synchronous mechanism.
- a force varying device generally designated 17, is provided, which will be explained in more detail below.
- Part of the force-changing device 17 is an 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 for adjusting the height of the seat support 5 with the seat 10 and the backrest 15 a known length-adjustable gas spring 21, which is shown in Fig. 3 in plan.
- the gas spring 21 is in a clamping device 22 formed as a cone of the front seat support part. 6 held clamped. From the gas spring 21 protrudes upwards a valve actuating pin 23, at its insertion into the gas spring 21 there existing valve is opened, whereby length adjustments of the gas spring 21 are possible.
- Such gas springs are shown and described, for example, in DE 18 12 282 C2 (corresponding to US Pat. No. 3,656,593).
- a two-armed valve actuating lever 24 is provided, which is pivotally supported against the pivot axis 8, as described for example in DE 43 24 545 A1.
- a first lever arm 25 of the valve actuating lever 24 bears against the valve actuating pin 23, while the second lever arm 26 can be actuated via a lever mechanism known from DE 43 24 545 A1.
- a pivoting of the rear seat support part 7 relative to the front seat support part 6 of the synchronous mechanism counteracts an energy storage 27, which in the illustrated embodiment is a prestressed helical compression spring 28.
- an energy storage 27 which in the illustrated embodiment is a prestressed helical compression spring 28.
- the energy accumulator 27 on a helical compression spring 28 passing through guide rod 30.
- the helical compression spring 28 is supported against a sliding block 31 of the force variation device 17.
- the sliding shoe 31 in turn abuts against a sliding surface 32 which is formed on a first, short lever arm 33 of the rear seat support part 7.
- the lever arm 33 is formed integrally with the rear seat support part 7 and extends from the pivot axis 8 from substantially downwards.
- the rear seat support part 7 is formed as an angle lever.
- An 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. Compared to the screw compression spring 28 passing portion of the guide rod 30, the connecting portion 35 is angled towards the rear seat support member 7.
- the adjusting portion 34 of the guide rod 30 is therefore bent to the rear seat support member 7 and adjacent to the seat support 5.
- Part of the force variation device 17 is an adjusting screw 36, which is pivotally connected to the adjusting section 34 of the guide rod 30 via a pivot joint with a pivot axis 37.
- 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 hand is designated in Fig. 5 with a.
- the adjusting screw 36 engages in the adjusting nut 18, which is rotatably mounted in a lower wall 38 of the front seat support member 6, but immovably in the direction of the screw 36.
- the adjusting nut 18 has a straight-toothed conical section 39.
- the two cone sections 39, 40 thus form a straight-toothed bevel gear.
- a rotation axis 43 of the adjusting screw 36 and a rotation axis 44 of the actuating rotary handle 42 are not aligned with each other, but intersect and close together a right Angle.
- the end portion 41 is rotatable in a side wall 45 of the front seat support member 6, but axially mounted to the rotational axis 44 of the actuating rotary handle 42 immovably.
- the free end of the actuating rotary handle 42 is formed as an oval handle 46 with recessed grips 47.
- the handle 46 has a central bore 48 which is closed at the free end of the handle 46 by a depressed cap 49. Inserted into the bore is a connecting screw 50 which supports the handle 46 at the end portion 41 of the actuating knob 42.
- the sliding surface 32 is at least approximately on a circular arc portion whose center is formed above the axis of the pivot joint of the abutment 29, a distance b between the pivot axis of the abutment 29 and the penetration of the axis of the energy storage device changes with a rotation of the actuating rotary handle 42 27 by the sliding surface 32 only slightly. Therefore, in such adjustments, the bias of the coil compression spring 28 practically does not change.
- the above-described slight decentering of Sliding surface 32 for the pivot joint formed by the abutment 29 is achieved that at the set screw 36 always mediated by the helical compression spring 28 traction.
- the adjusting screw 36 in the adjusting nut 18 is always guided in such a manner that the thread flanks of the thread of the adjusting screw 36 resting on top in FIG. 5 bear against the corresponding thread flanks of the internal thread of the adjusting nut 18.
- the force acting on the first lever arm 33 of the rear seat support part 7 by the helical compression spring 28 is thus not changed; it is only by changing the distance a between the axis of the energy storage 27 and the pivot axis 8 of the effective lever arm, that is, the total acting of the helical compression spring 28 on the rear seat support member 7 and thus on the seat 10 and the backrest 15 torque changed.
- This torque is the smaller, the smaller the distance a and vice versa.
- the adjusting forces to be applied to the actuating rotary handle 42 over the entire adjustment path of the sliding block 31 can be kept constant since frictional forces between the sliding block 31 and the sliding surface 32 and also the actuating forces of the mechanical coupling between the guide rod 30 and the actuating rotary handle 42 are virtually non-existent to change.
- a locking device 50 shown in Figs. 6 to 8 is provided.
- the locking device 50 comprises a bolt 51, which is articulated on the front seat support part 6 about a pivot joint with a pivot axis 52 pivotally.
- the pivot axis 52 substantially coincides with that of the abutment 29 together.
- the bolt 51 has a horizontally arranged locking bolt 53, which is secured to the bolt 51 and passes through it in such a way that it protrudes on both sides beyond the bolt 51 in the horizontal direction.
- Part of the locking device 50 is a cooperating with the bolt 51 counter-body 54. This is articulated on the front seat support member 6 about a pivot joint pivot axis 55 pivotally.
- the pivot axes 52, 55 are spaced apart and parallel.
- the counter body 54 has two mutually spaced, parallel, vertical and perpendicular to the pivot axis 55 arranged plates 56. These have a rough approximation of a triangular shape, wherein the pivot axis 55 opposite side as a bar peripheral portion 57 approximately located on a circular arc portion whose center is formed by the pivot axis 55.
- the width of the bolt receptacles 58 is complementary to the locking bolt 53 of the bolt 51 dimensioned such that the locking bolt 53 can engage substantially without play in a pair of bolt receptacles 58.
- This engagement of the locking bolt 53 in the bolt receptacles 58 takes place such that in each case one of the two free ends of the locking bolt 53 engages in one of the two bolt receptacles 58 of the corresponding pair of bolt receptacles 58.
- a connecting member 60 is articulated on the counter body 54 as a coupling element.
- the pivot axes 55 and 59 are spaced apart and parallel.
- the connecting member 60 is articulated on the first, short lever arm 33 of the rear seat support part 7.
- the pivot axis 61 is in this case parallel to the pivot axes 8 and 59 and spaced therefrom.
- the latch 51 can be actuated by means of a led out laterally from the support tube 9 operating handle 63, which is shown in Fig. 1.
- FIG. 7 shows the locking device 50 in a position in which the locking bolt 53 is associated with the bolt receptacle 58 shown farthest left in the side view of FIGS. 7 and 8. In this position, the rear seat support member 7 is with the backrest support 14 in the most upright position.
- FIGS. 7 and 8 shows the locking device 50 in a position in which the locking bolt 53 is associated with the locking receptacle 58 shown on the right-most side in FIGS. 7 and 8. In this position, the rear seat support member 7 is inclined with the backrest support 14 farthest back to a lying position.
- the connecting member 60 therefore acts as a mechanical translation member, which is the pivoting of the counter body 54 translated in relation to the pivoting of the rear seat support part 7.
- the locking device 50 is out of operation, so that a synchronous relative movement between the seat support parts 6, 7 is possible. If the user overrides the synchronous mechanism, ie, wants to lock the seat support parts 6, 7 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 a desired relative position Next, the user actuates the operating handle 63 and moves the latch bolt 53 toward the latch peripheral portion 57. The locking bolt 53 then comes either immediately with its adjacent bolt receptacle 58 into engagement or the user performs a fine adjustment of the seat support parts 6, 7 to each other by appropriate pressure on the backrest 15 until the locking bolt 53 engages in the corresponding pair of bolt receptacles 58.
- the synchronous mechanism is locked in the desired relative position of the seat support parts 6, 7 to each other.
- 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 discrete relative positions of the seat support parts 6, 7 is given.
- FIGS. 5 to 8 and FIGS. 10 and 11 show details of the seat reclining device 13.
- the height of the support shaft 12 on which the rear region of the seat is supported is adjustable for seat tilt adjustment.
- the support shaft 12 is for this purpose supported by a first lever arm 70 of a Ne Trentsverstellhebels 71, which is parallel to a pivot axis 8 Swivel axis 72 is pivotable.
- a tilting adjusting screw 75 is articulated via a pivot joint with also pivot axis 8, which is also parallel to the pivot axis 8. This is axially displaceable and rotatably mounted.
- the inclination adjusting screw 75 engages in a tilt adjusting nut 76, which is rotatably mounted in a lower wall 77 of the rear seat support member 7, but immovable in the direction of the inclination adjusting screw 75.
- the tilt adjusting nut 76 has a straight toothed conical section 78.
- the ring gear of this engages a likewise straight-toothed conical portion 79 of an end portion 80 of a tilt-actuated rotary handle 81 a.
- the two conical sections 78, 79 thus form a straight-toothed bevel gear.
- An axis of rotation 82 of the adjusting screw 75 and an axis of rotation 83 of the tilt-actuating rotary handle 81 are not aligned with each other, but intersect and enclose a right angle with each other.
- the axes of rotation 44 and 83 of the operating knobs 42 and 81, which project beyond the seat support 5 on the same side, are parallel to each other.
- the end portion 80 is rotatably supported in a side wall 84 of a housing 85 which is fixed to the rear seat support member 7, but immovably axially to the rotation axis 83 of the tilt-actuating rotary handle 81.
- the free end of the tilt-actuating rotary handle 81 is like that of the actuating rotary handle 42 configured as an oval handle 46 so that reference can be made to the relevant description of the actuating rotary handle 42.
- the conical sections 78, 79 therefore represent a coupling element, via which the inclination actuating rotary handle 81 is connected to the adjusting screw 75 as a setting element.
- the tilt-adjusting lever 71 is pivoted about the pivot axis 72 via the pivot joint with the pivot axis 74.
- the height of the support shaft 12 is adjusted above the ground and thus the inclination of the seat 10.
- a mechanical coupling of the rotational movements of the actuating rotary handle 42 about the rotation axis 44 on the one hand and the adjusting screw 36 about the rotation axis 43 on the other hand not by a bevel gear, but by a flexible shaft, in particular a spring shaft.
- Such flexible shafts for power transmission are known.
- With such a flexible shaft can also be a mechanical coupling of the rotational movements of the tilt-actuating rotary handle 81 about the axis of rotation 83 on the one hand and the adjusting screw 75 about the axis of rotation 82 on the other hand.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04004812T PL1454566T3 (pl) | 2003-03-07 | 2004-03-02 | Krzesło, zwłaszcza krzesło biurowe |
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 |
DE10309920A DE10309920A1 (de) | 2003-03-07 | 2003-03-07 | Stuhl, insbesondere Bürostuhl |
DE10309922 | 2003-03-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1454566A1 EP1454566A1 (de) | 2004-09-08 |
EP1454566B1 true EP1454566B1 (de) | 2006-09-06 |
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 |
EP04004811A Expired - Lifetime EP1454568B1 (de) | 2003-03-07 | 2004-03-02 | Stuhl, insbesondere Bürostuhl |
EP04004812A Expired - Lifetime EP1454566B1 (de) | 2003-03-07 | 2004-03-02 | Stuhl, insbesondere Bürostuhl |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04004813A Expired - Lifetime EP1454569B1 (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) | CN100486483C (es) |
AT (3) | ATE309721T1 (es) |
DE (6) | DE10309921A1 (es) |
DK (3) | DK1454568T3 (es) |
ES (3) | ES2309407T3 (es) |
HK (2) | HK1069296A1 (es) |
PL (2) | PL1454566T3 (es) |
ZA (3) | ZA200401855B (es) |
Families Citing this family (43)
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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 |
EP2001338B1 (en) * | 2006-03-24 | 2016-10-26 | Herman Miller Inc. | Body support structure |
WO2007124609A2 (de) * | 2006-04-27 | 2007-11-08 | 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 |
ATE451854T1 (de) * | 2007-01-22 | 2010-01-15 | 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 |
JP5490004B2 (ja) * | 2007-09-20 | 2014-05-14 | ハーマン、ミラー、インコーポレイテッド | 身体支持構造 |
US20100308633A1 (en) * | 2007-10-30 | 2010-12-09 | Donati S.P.A. | mechanism for adjusting the pre-load of a stiffening spring for seats |
AU2008341014B2 (en) * | 2007-12-20 | 2016-05-19 | Comfort Concepts Pty Limited | Seating systems incorporating self-inflating adjustable supports |
US7530637B1 (en) * | 2008-03-18 | 2009-05-12 | Yao-Chuan Wu | Chair assembly |
US8973995B2 (en) * | 2009-02-25 | 2015-03-10 | Donati S.P.A. | Device for synchronizing the tilt of a chair back and seat |
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 |
CA2837363C (en) | 2011-07-01 | 2016-06-14 | 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 |
CN106235713B (zh) * | 2012-09-20 | 2019-12-20 | 斯迪尔科斯公司 | 椅子臂组件 |
US11304528B2 (en) | 2012-09-20 | 2022-04-19 | Steelcase Inc. | Chair assembly with upholstery covering |
USD697726S1 (en) | 2012-09-20 | 2014-01-21 | Steelcase Inc. | Chair |
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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 |
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- 2003-03-07 DE DE10309922A patent/DE10309922A1/de not_active Withdrawn
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- 2004-03-02 DK DK04004811T patent/DK1454568T3/da active
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- 2004-03-05 US US10/792,771 patent/US20040212235A1/en not_active Abandoned
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