CN101478895B - Back rest for a stool or a chair, and stool or chair provided with such a back rest - Google Patents
Back rest for a stool or a chair, and stool or chair provided with such a back rest Download PDFInfo
- Publication number
- CN101478895B CN101478895B CN2007800242193A CN200780024219A CN101478895B CN 101478895 B CN101478895 B CN 101478895B CN 2007800242193 A CN2007800242193 A CN 2007800242193A CN 200780024219 A CN200780024219 A CN 200780024219A CN 101478895 B CN101478895 B CN 101478895B
- Authority
- CN
- China
- Prior art keywords
- back support
- seat
- supporting member
- spring
- backrest
- 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 - Fee Related
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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
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/448—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with resilient blocks
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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
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/402—Support for the head or the back for the back adjustable in height
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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
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/405—Support for the head or the back for the back with double backrests
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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
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/441—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with adjustable elasticity
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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
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
Landscapes
- Chairs Characterized By Structure (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention relates to a back rest for a stool or a chair, comprising two adjacent, spring-mounted back supports (3.1), each of which is fixed to a separate carrier part (4.1). Said back rest is characterized in that each carrier part (4.1) forms the first limb of an essentially L-shaped carrier (4), and the second limb (4.2) of each carrier (4) is fixed beneath the stool or chair seat in such a way that it can be pivoted about a horizontal axis against an elastic force.
Description
Technical field
The present invention relates to a kind of backrest that is used for stool or chair; This backrest has two back support; These two back support edges are laterally located adjacent to each other and are supported with elastic type; Wherein each back support is connected to independent supporting part, and wherein each supporting part forms first shank of roughly L shaped supporting member, and second shank of each supporting member is can overcome spring force is installed in said stool or chair around the mode of horizontal axis pivot seat support below.
Background technology
In the disclosed this backrest of KR 2,005 0,023 593 A, each back support can only be moved along with the motion that is sitting in the personnel on stool or the chair and the attitude of taking one's seat within the specific limits.In normal NOR-function position, said two back support are positioned at common plane basically.Yet if upper body part upright axis line is rotated motion, back support can move by this way, and promptly they no longer remain in the common plane, thereby between two back support, produces " ladder " or misalignment.
In the disclosed this backrest of DE 90 06 316 U1, each back support all is arranged on the independent supporting part.Supporting part is located forming V-shape each other, and the lower end of these supporting parts is installed to the rear portion of the seat support on the seat frame.Even said back support is owing to the elasticity of their two supporting parts provides activity to a certain degree; The position thereby the difference that can regulate the personnel that take one's seat is taken one's seat; But have been found that; This structure can not be taken one's seat the position and make that in the time period of taking one's seat for a long time the personnel's that take one's seat vertebra loosens through change, can not make physique have the vertebra of the individuality of a great difference to loosen.
Summary of the invention
The objective of the invention is to; Be designed for the backrest of seat support or chair by this way; Promptly; Make in the zone of back or vertebra, to obtain best support the take one's seat personnel of position of difference, even and guarantee transverse movement or laterally and backward in the motion of orientation the personnel that take one's seat still obtain best support.
As the solution that realizes the object of the invention; According to first aspect present invention, supporting member to be arranged to interconnect through guide rod, the orientation of this guide rod when non-working position is approximately perpendicular to said supporting member; Wherein said guide rod supports is in the seat bottom structure or on the seat bottom structure; And be connected to said supporting member, make that when a back support moved forward or backward, another back support is motion in the opposite direction correspondingly.Like this, can guarantee that each back support can both be according to the personnel's of taking one's seat different motion or the position and best along with moving backward of taking one's seat, and can not lose their support function.
Said guide rod preferably utilizes its end to be pivotally attached to said supporting member, and said guide rod pivotally is being supported on seat support or the seat bottom structure between the pivotal point on the said supporting member at it.
Of the present invention other preferred embodiments are disclosed in the dependent claims.
Description of drawings
Hereinafter with reference to the open the present invention of accompanying drawing.
Fig. 1 is for illustrating the view of the backrest on the pillar that is fastened to chair or stool (yet not shown);
Fig. 2 is the view that the modification embodiment of backrest is shown;
Fig. 3 is the view that another modification embodiment of backrest is shown;
Fig. 4 shows the embodiment of the Setup Type of backrest on its supporting part;
Fig. 5 is the exploded view that shows according to the embodiment of Fig. 4;
Fig. 6 shows the embodiment of the Setup Type of supporting member on the pillar of chair or stool of back support member;
Fig. 7 shows the stereogram of stool;
Fig. 8 is at length showing the stereogram of the pillar of the chair that chair base frame is installed, and the supporting member that is used for back support is pivotably mounted on this chair base frame;
Fig. 9 is illustrated in the structural top perspective view of the seat bottom that is connected on the chair base frame;
Figure 10 is used to explain partial schematic diagram shown in the inventive principle and the back structure seat bottom structurally associated.
The specific embodiment
Fig. 7 shows the stereogram of chair; It comprises the five-pointed star shape pedestal 1.1 that is provided with castor (coaster), the backrest 3 that is supported on pillar 1, the seat support 100 on this five-pointed star shape pedestal and has two back support 3.1; These two back support are along the layout that laterally is spaced apart from each other; And being connected to L shaped supporting member 4, each supporting member is made up of the supporting part 4.2 of supporting part that roughly vertically is provided with 4.1 and approximate horizontal setting.Each back support 3.1 is installed to fixed component 7, and this fixed component 7 can be regulated along relevant supporting part 4.1, thereby takes the different height adjusting position.Each fixed component 7 all comprises rubber element, and each back support can be with respect to supporting part 4.1 motions like this.Supporting part 4.1 interconnects through the transverse bar 9 of elastically deformable, and the spring rate of this transverse bar is designed to the freely-movable property of each back support with respect to another back support remained in the limited range.
According to Fig. 1 to Fig. 3, supporting part 4.2 is supported for and can be pivoted around horizontal pivot axis line 5 by support unit 2.The supporting part 4.2 of supporting member 4 is embodied as two-part bar, and the spring element 6 that wherein roughly is vertically oriented acts on the free rod end 4.3 of bar, and can change the power that acts on the spring element on the supporting member.Spring element 6 can be extension spring, pneumatic or hydraulic spring grease cup element etc.
The interior engaging opening 8 in zone that is arranged on support component 4.1 shows that clearly fixed component 7 is installed on the supporting part 4.1 with Height Adjustable mode.According to Fig. 2; Back support 3.1 roughly links to each other at their transverse bar 3.2 of central authorities through elastically deformable; The Intensity Design of this transverse bar 3.2 becomes to make back support 3.1 keep their functions as single support member; Wherein, back support is maintained in the limited range with respect to the freely-movable property of another back support.
According to Fig. 3, said two back support 3.1 also are installed in respectively on the supporting part 4.1 of their supporting members 4 separately, thereby are rubber-likes separately.In this embodiment of backrest, fixed component 7 is designed so that the upper end of support component 4.1 extends upwardly out above fixed component 7.The free end of supporting part 4.1 interconnects through the transverse bar 9 of elastically deformable.
Fig. 6 shows the modification embodiment of supporting member, and this supporting member can pivot around horizontal axis.In support unit 2 or on support unit 2, be provided with trunnion axis 20, this trunnion axis 20 has reverse thread; On this trunnion axis, be supported with second shank 4.2 of supporting member 4 pivotly.Each shank 4.2 all is embodied as the caliper bar, and the free rod end 4.4 of this caliper bar is bent upwards, and the extension spring 22 of approximate horizontal orientation is installed.In order to change the power that acts on the supporting member, extension spring 22 is installed on the adjustment means 23 through their end, and this adjustment means 23 can be adjusted to different spacings with respect to horizontal axis; This adjustment means is holding nut 24 for example, this nut with can engage through the threaded 25 that knurled wheel 26 rotates.Each shank 4.2 is supporting screw-thread bush 27 in it is supported on the zone at the supporting position of axle on 20; Like this; When axle 20 rotations; Two shanks 4.2 are regulated owing to this reverse thread portion of 20 in the horizontal relative to each other, thereby can regulate according to the spacing between the back support 3.1 of Fig. 1 and Fig. 3.
Fig. 8 and Fig. 9 show the details of the chair base frame 38 of the upper end that is installed to pillar 1; Wherein, Said two supporting members 4 are installed on the pillar 1 in the zone of the free end of supporting part 4.2, thereby supporting member 4 can pivot around the pivot axis that schematically shows 39.On chair base frame 38 for example through screw 41 fastening roughly be the seat bottom structure 40 of box-like, these screws 41 are by guiding the slotted eye 42 that is arranged at seat bottom structure 40 places in, feasiblely can move forward and backward seat bottom structure 40 with respect to chair base frame 38.
The inventive principle of this structure below will be described by means of the indicative icon of Fig. 9.
The main thought of instruction of the present invention is that basically said two back support 3.1 are coupled to each other, thereby the people on being sitting in chair (stool) changes when taking one's seat the position, and back support for example backward motion forces another back support to travel forward.Because the resilient suspension of back support on supporting member 4; Said two back support 3.1 can be in a kind of like this position; That is, form roughly evenly continuous backrest, at this moment; The user of stool or chair when lateral inclination, will compare a back support more effectively against or promote another back support 3.1 (in Figure 10, being a back support on the right).The pressure that realizes said two back support 3.1 through guide rod 43 connects, thereby carries out motion in the opposite direction, and this guide rod 43 is approximately perpendicular to supporting member 4 orientations when active position not; This guide rod supports is in seat bottom structure 40 or be supported on the seat bottom structure 40, and is connected to support component 4.2, thereby when a back support 3.1 is moved backward, another back support will promptly travel forward round about.In Figure 10, show the deflection angle of guide rod 43 with exaggerative mode with respect to the center for the illustration principle.In fact, this deflection angle is very little, makes that the very little motion in ten/several millimeters scopes is only carried out in the end of guide rod 43 when pivoting, and like this, these motions will be by the tolerance compensating of structure.
The end of guide rod 43 for example is connected to corresponding supporting part 4.2 through the ball-and-socket joint 44 that schematically shows among Fig. 8 b, and said ball-and-socket joint preferably is supported in the axle sleeve 44.1 of elastically deformable.Guide rod 43 also preferred by the ball-and-socket joint 45 shown in Fig. 9 a in the longitudinal bracing spare 40.2 that pivotally is supported on seat bottom structure 40 in its middle section between the tie point of supporting part 4.2 or on it.
Supporting part 4.2 is supported by the helical spring 46 that is arranged on the seat bottom structure 40, thereby said two back support 3.1 are identical apart from the distance of seat bottom structure 40 at the non-working position that does not load, thereby guide rod 43 is in non-effect or centre position.
According to Fig. 9, supporting part 4.2 has the projection 47 towards the top, and guide rod 43 pivotally is connected on the said projection 47.Pressing plate 48 links to each other with projection 47, and the connector 49 of the framework 40.1 of these projections through passing box-like seat bottom structure 40 is supported on the helical spring 46, and these helical springs 46 are arranged in the seat bottom structure 40 with the mode perpendicular to pivot axis 39.Helical spring 46 is supported on can be along on the slide block 50 of the longitudinal sliding motion of spring, and slide block 50 is placed in again on the cam 52 of camshaft 51, and this camshaft can rotate under the effect of handle 53, thereby can change the pretension of spring 46 through the rotation of cam 52.
Be directed in the arc guide recess 54 of guide rod 43 in the framework 40.1 of seat bottom structure 40, the imaginary axis line parallel of guide recess 54 is in the pivot axis 39 of supporting member 4, and crooked towards the bottom and towards the rear portion from the top with respect to the place ahead of chair.
Guide recess 54 makes guide rod 43 in the zone of ball-and-socket joint 45, to do to pivot or banking motion, and like this, when supporting part 4.2 rearward pivoted, this supporting part was also by downward pivot, and simultaneously, relative support component 4.2 pivots with opposite motion.
Fig. 8 shows the situation that said two supporting parts 4.2 are in middle position, and at this middle position, two supporting parts 4.2 roughly are parallel to each other, and this moment, said two back support 3.1 did not receive to load or receive uniform loading.
When the user recedes under the situation that two back support 3.1 are evenly loaded; Guide rod 43 moves backward and moves along with this; Thereby because in the longitudinal bracing spare 40.2 or the pivoted supporting role of the guide rod on it 43; Whole seat bottom structure 40 is pulled rearward moving on the one hand, and its Background Region pivots downwards simultaneously or descends on the other hand; This is to realize according to disclosed part seat support support part with lazy-tongs among DE 299 08 599 U1 because this structure is known, from rather than theme of the present invention.
This lazy-tongs are used for when backrest is pivoted forward or backward, making seat support to pivot with predetermined angle ratio.
The power that the motion towards the rear of seat bottom structure 40 has overcome stage clip 60 realizes; Said stage clip is supported between gripper shoe 61 and the stayed surface as the part of movable seat support polycrystalline substance 40; This gripper shoe 61 is static, and forms the part of chair base frame 38.
Fig. 4 and Fig. 5 show for back support 3.1 can be pivoted around vertical axis and horizontal axis with respect to fixed component 7, and fixed component 7 is how to be installed on the back support.Be box-like and upwards be provided with two wall parts 10.1 at place, end, these two wall parts be spaced apart from each other location and preferred shape triangular in shape towards fixed component 7 with the main body 10 of downward direction upper shed; These two wall parts have relative bearing opening 10.11.The bearing insert 11 of horizontal alignment is installed on fixed component 7, and like this, after pivot pin 12 was passed the bearing insert 11 that aligns with bearing opening 10.11, main body 10 just was pivotally attached to fixed component 7.According to Fig. 5, the location has rubber stopper 14, this retainer to be provided with the recess 14.1 suitable with the shape of bearing insert 11 in the space between main body 10 and fixed component 7.The spring rate of rubber stopper is designed so that to such an extent that main body 10 can be wound the horizontal axis that is limited pivot pin 12 and carried out controlled pivoting action.
Claims (22)
1. backrest; This backrest is used for the seat of stool or chair, and this backrest has two back support (3.1), and these two back support are along laterally locating adjacent to each other and being fixed with elastic type; Wherein each back support all is connected to independent supporting part; Each supporting part forms first shank (4.1) of roughly L shaped supporting member (4), and second shank (4.2) of each supporting member (4) is installed in the under-seat of said stool or chair with the mode that can overcome spring force and pivot around horizontal axis (5 or 39), it is characterized in that; Said supporting member (4) links to each other through guide rod (43); The orientation of this guide rod when non-working position is approximately perpendicular to said supporting member (4), and said guide rod supports is in seat bottom structure (40) or be supported in this seat bottom mechanism (40), and is connected to said supporting member (4); Make in a back support (3.1) when moving forwards or backwards that another back support (3.1) is motion in the opposite direction correspondingly.
2. backrest according to claim 1 is characterized in that, the end of said guide rod (43) is pivotally attached to said supporting member (4) through the ball-and-socket joint (44) in the axle sleeve (44.1) that is supported on elastically deformable.
3. backrest according to claim 1 and 2 is characterized in that, said guide rod (43) pivotally is being supported between the tie point on the said supporting member (4) on said seat support or the seat bottom structure (40) at it.
4. backrest according to claim 2; It is characterized in that; Said guide rod (43) is directed in arc guide recess (44,54), and said guide recess is arranged in the said seat bottom structure (40) or on the said seat bottom structure (40); And the imaginary axis line parallel of said guide recess extends in the said pivot axis (39) of said supporting member (4), and with respect to the front end of said chair from the top backward and downwarping.
5. backrest according to claim 2; It is characterized in that; Said second shank (4.2) all has the upwards projection (47) of orientation, and said projection (47) supports by spring (46), and said spring (46) receives uniform pressure loading at the non-working position of said roughly L shaped supporting member (4).
6. backrest according to claim 5; It is characterized in that; Said spring (46) is a helical spring, and said helical spring longitudinal axis is perpendicular to the said pivot axis (39) of said supporting member (4), and is arranged in the zone of said seat bottom structure (40).
7. backrest according to claim 6 is characterized in that, pressing plate (48) is installed on said projection (47), and said pressing plate is supported on the said spring (46) through connector (49).
8. backrest according to claim 5 is characterized in that, the pretension of said spring (46) is changeable.
9. backrest according to claim 7; It is characterized in that; Said spring (46) can be on the slide block that vertically moves (50) of said spring through leaning against with the relative end of said pressing plate (48) of they, and these slide blocks are supported on can be from the cam (52) of the camshaft (51) of external rotating.
10. backrest according to claim 1; It is characterized in that; Said guide rod (43) is installed on the seat bottom structure (40) that is supported by stage clip (60) by this way; That is: when pivoting said supporting member (4), said seat bottom structure (40) can move forwards or backwards with respect to said seat frame (48).
11. backrest according to claim 1 is characterized in that, each said back support (3.1) is installed on the said supporting part with elastic type.
12. backrest according to claim 1 is characterized in that, each said back support (3.1) is installed to can be on the fixed component (7) of said first shank (4.1) slip.
13. backrest according to claim 1; It is characterized in that; Said two back support (3.1) interconnect through the transverse bar (9) of elastically deformable; The intensity of said transverse bar is chosen as and makes said two back support (3.1) keep their functions as single support member, and back support is maintained in the limited extent with respect to the mobility of another back support.
14. backrest according to claim 13 is characterized in that, can change the spring force that acts on the said supporting member (4) together.
15. backrest according to claim 1 is characterized in that, said two supporting members (4) can be fixedly secured with mutual different spacing on their public horizontal pivot axis line.
16., it is characterized in that each back support (3.1) can pivot around horizontal axis with respect to its supporting part according to claim 14 or 15 described backrests.
17. backrest according to claim 16; It is characterized in that; Each back support (3.1) is positioned between this back support (3.1) and its fixed component (7) through the spring element with at least one elastically deformable and is installed on this fixed component (7), and this fixed component can be fixed on the different height position along relevant supporting part.
18. backrest according to claim 17; It is characterized in that; On each fixed component (7), be equipped with and overcome the main body (10) that spring force pivots around horizontal axis (12); Wherein, this main body (10) is installed on the back support (3.1) around the mode that vertical axis (14) pivots can overcome spring force again.
19. backrest according to claim 14; It is characterized in that; Said two back support (3.1) interconnect through the transverse bar (9) of elastically deformable; The intensity of this transverse bar is chosen as and makes said two back support (3.1) keep their functions as single support member, and back support is maintained in the limited extent with respect to the mobility of another back support.
20. one kind is taking one's seat of stool or chair form and uses furniture; This is taken one's seat and disposes according to each described backrest (3) in the claim 15 to 19 with furniture; This seat support of taking one's seat with furniture is installed on the pillar (1) through support unit (2); Said taking one's seat is characterised in that with furniture second shank (4.2) connecting around the mode that horizontal axis pivots of each supporting member (4) is configured to double armed lever, and wherein spring force acts on the free rod end (4.3 or 4.4) of said bar.
21. according to claim 20 taking one's seat used furniture; It is characterized in that; Said second shank (4.2) has upwards orientation or the sweep (4.4) of orientation downwards in the zone of its free rod end, wherein, another spring element (22) of approximate horizontal orientation acts on the said sweep.
22. according to claim 21 taking one's seat used furniture; It is characterized in that; Said sweep (4.4) is orientation upwards, and said another spring element is extension spring (22), and the end of the said extension spring (22) of two supporting members is mounted to adjustment means (23); This adjustment means can be fixed under the different spacing with respect to said horizontal axis, acts on the power on the said supporting member with change.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006030018A DE102006030018A1 (en) | 2006-06-29 | 2006-06-29 | Backrest for a chair or armchair and chair or armchair equipped with such a backrest |
| DE102006030018.1 | 2006-06-29 | ||
| PCT/DE2007/000954 WO2008000207A1 (en) | 2006-06-29 | 2007-05-26 | Back rest for a stool or a chair, and stool or chair provided with such a back rest |
| DE202007007524U DE202007007524U1 (en) | 2006-06-29 | 2007-05-26 | Backrest for a chair or armchair and chair or armchair equipped with such a backrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101478895A CN101478895A (en) | 2009-07-08 |
| CN101478895B true CN101478895B (en) | 2012-04-04 |
Family
ID=41078738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800242193A Expired - Fee Related CN101478895B (en) | 2006-06-29 | 2007-05-26 | Back rest for a stool or a chair, and stool or chair provided with such a back rest |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20100301652A1 (en) |
| EP (1) | EP2040582B1 (en) |
| JP (1) | JP2009540970A (en) |
| KR (1) | KR20090034352A (en) |
| CN (1) | CN101478895B (en) |
| AT (1) | ATE516726T1 (en) |
| AU (1) | AU2007264236A1 (en) |
| CA (2) | CA2653912A1 (en) |
| DE (2) | DE102006030018A1 (en) |
| ES (1) | ES2367869T3 (en) |
| RU (1) | RU2009102813A (en) |
| WO (1) | WO2008000207A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009058461C5 (en) * | 2009-12-16 | 2015-07-09 | Egon Märtens | Backrest for a chair, armchair or the like. |
| DE102010047285A1 (en) | 2010-09-23 | 2012-03-29 | Viasit Bürositzmöbel Gmbh | Chair, in particular work chair |
| DE102011051966B8 (en) * | 2011-07-20 | 2013-06-13 | Interstuhl Büromöbel GmbH & Co. KG | chair |
| US9060610B2 (en) * | 2011-11-11 | 2015-06-23 | Flexsteel Industries, Inc. | Spring back hinge with or without spring lock mechanism |
| JP2013123453A (en) * | 2011-12-13 | 2013-06-24 | Takano Co Ltd | Curvature changing mechanism of body support structure for chair |
| DE102012107778B4 (en) | 2012-08-23 | 2018-08-16 | Haworth Gmbh | Chair, especially office chair |
| DE102012109997A1 (en) | 2012-10-19 | 2014-04-24 | Rohde & Grahl Gmbh | Backrest for chair used in office, has supporting surface portions that are arranged laterally at specific distance from each other and are directed upwards to subsequent region |
| DE102012219206B4 (en) * | 2012-10-22 | 2017-10-26 | Sedus Stoll Ag | Dorsokinetic backrest of a chair, seating |
| ITMI20122236A1 (en) * | 2012-12-27 | 2014-06-28 | Amedeo Maffei | VIBRATING SYSTEM AND METHOD FOR BODY STIMULATION WITH PROPRIOCEPTIVE RESONANCE |
| US9173492B1 (en) * | 2014-06-06 | 2015-11-03 | Jacques Fortin | Self-reclining chair |
| DE102014220695A1 (en) | 2014-10-13 | 2016-04-28 | Haworth Gmbh | Chair, especially office chair |
| CN104605654B (en) * | 2015-02-13 | 2017-06-13 | 杭州护童科技有限公司 | The backrest structure of adjustable seat depth seat |
| CN104840031A (en) * | 2015-05-07 | 2015-08-19 | 袁静 | Office chair |
| CH711692A2 (en) * | 2015-10-28 | 2017-04-28 | Iii Solutions Gmbh | Phoronomic backrest for a chair or seat. |
| CN110430787B (en) * | 2017-02-03 | 2023-09-12 | 浙江圣奥家具制造有限公司 | Chair |
| KR102098904B1 (en) * | 2017-10-31 | 2020-04-09 | 최우진 | Sitting posture correction chair |
| KR102098953B1 (en) * | 2019-02-21 | 2020-04-09 | 주식회사 다원체어스 | Chair with twistable backrest |
| KR20200116251A (en) | 2019-04-01 | 2020-10-12 | (주) 파트라 | Chair having tiltable backrest |
| DE102020124975A1 (en) * | 2020-09-24 | 2022-03-24 | Bock 1 Gmbh & Co. Kg | Mechanism for a chair |
| CN112622964A (en) * | 2020-12-30 | 2021-04-09 | 江苏理工学院 | Practical comfortable subway row seat |
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| CN2476225Y (en) * | 2001-05-13 | 2002-02-13 | 李振东 | Connecting device of back |
| EP1486140A1 (en) * | 2002-02-14 | 2004-12-15 | Alexei Alexeevich Bykov | Sitting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1067390A (en) * | 1977-03-31 | 1979-12-04 | Frank Doerner | Chair control for a tiltable stenographer's chair |
| KR930010033B1 (en) * | 1988-07-19 | 1993-10-14 | "아우라"헤르베르트 데. 슈톨레 게엠베하 앤드 콤파니 | Back-rest |
| DE9006316U1 (en) * | 1990-06-05 | 1990-08-16 | "Aura" Herbert D. Stolle GmbH & Co, 2000 Hamburg | backrest |
| DE9313946U1 (en) * | 1993-09-10 | 1993-11-18 | Eron Objekteinrichtungen GmbH, 31582 Nienburg | Height-adjustable, split backrest, especially for office chairs |
| US5810439A (en) * | 1996-05-09 | 1998-09-22 | Haworth, Inc. | Forward-rearward tilt control for chair |
| DE29908599U1 (en) | 1999-05-14 | 1999-08-05 | Frese, Walter, 82152 Planegg | Seat part storage with synchronous mechanism |
| GB0114581D0 (en) * | 2001-06-14 | 2001-08-08 | White Adam | Twister seat |
| KR100428434B1 (en) * | 2001-08-16 | 2004-04-29 | 정관영 | Chair back supporter of which width being adjustable |
| US6565155B1 (en) * | 2002-01-22 | 2003-05-20 | Norstar Office Products, Inc. | Chair |
| KR20030080837A (en) * | 2002-04-11 | 2003-10-17 | 박영숙 | Double back of chair |
| KR100526444B1 (en) * | 2003-08-28 | 2005-11-08 | 듀오백코리아 주식회사 | Structure for elastic coupling of a backrest and a seat board |
| KR20060102925A (en) * | 2005-03-25 | 2006-09-28 | 듀오백코리아 주식회사 | Tilting structure of backrest |
-
2006
- 2006-06-29 DE DE102006030018A patent/DE102006030018A1/en not_active Withdrawn
-
2007
- 2007-05-26 CA CA002653912A patent/CA2653912A1/en not_active Abandoned
- 2007-05-26 AT AT07722472T patent/ATE516726T1/en active
- 2007-05-26 WO PCT/DE2007/000954 patent/WO2008000207A1/en active Application Filing
- 2007-05-26 US US12/306,738 patent/US20100301652A1/en not_active Abandoned
- 2007-05-26 EP EP07722472A patent/EP2040582B1/en not_active Not-in-force
- 2007-05-26 JP JP2009516867A patent/JP2009540970A/en active Pending
- 2007-05-26 KR KR1020097001471A patent/KR20090034352A/en not_active Application Discontinuation
- 2007-05-26 AU AU2007264236A patent/AU2007264236A1/en not_active Abandoned
- 2007-05-26 ES ES07722472T patent/ES2367869T3/en active Active
- 2007-05-26 CA CA2724761A patent/CA2724761A1/en not_active Abandoned
- 2007-05-26 RU RU2009102813/12A patent/RU2009102813A/en unknown
- 2007-05-26 CN CN2007800242193A patent/CN101478895B/en not_active Expired - Fee Related
- 2007-05-26 DE DE202007007524U patent/DE202007007524U1/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2476225Y (en) * | 2001-05-13 | 2002-02-13 | 李振东 | Connecting device of back |
| EP1486140A1 (en) * | 2002-02-14 | 2004-12-15 | Alexei Alexeevich Bykov | Sitting device |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2009102813A (en) | 2010-08-10 |
| DE102006030018A1 (en) | 2008-01-03 |
| CA2724761A1 (en) | 2008-01-03 |
| WO2008000207A1 (en) | 2008-01-03 |
| EP2040582B1 (en) | 2011-07-20 |
| AU2007264236A1 (en) | 2008-01-03 |
| ES2367869T3 (en) | 2011-11-10 |
| KR20090034352A (en) | 2009-04-07 |
| ATE516726T1 (en) | 2011-08-15 |
| CN101478895A (en) | 2009-07-08 |
| US20100301652A1 (en) | 2010-12-02 |
| CA2653912A1 (en) | 2008-01-03 |
| EP2040582A1 (en) | 2009-04-01 |
| DE202007007524U1 (en) | 2008-10-09 |
| JP2009540970A (en) | 2009-11-26 |
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Granted publication date: 20120404 Termination date: 20120526 |