CN100569144C - The lazy-tongs that are used for office seating - Google Patents
The lazy-tongs that are used for office seating Download PDFInfo
- Publication number
- CN100569144C CN100569144C CNB2004100969420A CN200410096942A CN100569144C CN 100569144 C CN100569144 C CN 100569144C CN B2004100969420 A CNB2004100969420 A CN B2004100969420A CN 200410096942 A CN200410096942 A CN 200410096942A CN 100569144 C CN100569144 C CN 100569144C
- Authority
- CN
- China
- Prior art keywords
- supporting member
- lazy
- tongs
- eccentric wheel
- extension spring
- 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
- 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
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03261—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
- A47C1/03294—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
Abstract
The present invention relates to a kind of lazy-tongs that are used for office seating, it comprises: one can be arranged on the bottom bearing member on the seat post; One can swingingly be hinged on backrest support on the bottom bearing member around a transverse axis; A seat portion supporting member, this supporting member can swingingly also can be connected with bottom bearing member along seat portion around a transverse axis basically by a rotation-translation-articulated section in its front end area with vertically moving, can swingingly be connected with backrest support around a transverse axis in the zone in its back-end; With one be used for and the adjustment reverse movement ground of seat portion supporting member and backrest support spring structure the lazy-tongs loading, wherein, spring structure has at least one and is arranged essentially parallel to a moving direction of the portion's supporting member extension spring of side-lower disposed thereon flatly, and extension spring is arranged on a support on the bottom bearing member and the backrest support or preferably between the support on the seat portion supporting member.
Description
Technical field
The present invention relates to a kind of lazy-tongs that are used for office seating, as known by DE 19810768 A1 or DE 10125994 A1.
Background technology
Title " lazy-tongs " is interpreted as the construction package in the seat subordinate portion structure of an office seating, and the relative motion that this structure makes one between a portion and the backrest be mutually related, determine has an intrinsic kinematics process.One bottom bearing member is set on a seat post for this reason, on this bottom bearing member, support on the one hand one can around transverse axis swing and with the seat portion supporting member that described bottom bearing member hingedly is connected, support can swing around an a transverse axis equally and backrest support that hingedly be connected with described bottom bearing member on the other hand.The seat portion of office seating that the seat surface of cushion is housed that is typically provided with is installed on the present portion supporting member.Usually the backrest support that extends back from lazy-tongs originally is at the backrest of a upwardly extending cantilever upper support office seating.
Seat portion supporting member so hingedly is connected with backrest support, so that for example may be leaned on backrest and the backrest that causes oscillating motion backward can cause a downward descending motion of portion's back edge by the seat user.A this portion-backrest-the athletic meeting that is mutually related brings the advantage on the tangible comfortableness, and owing to orthopaedic reason is wished.
In order in the simple swing of backrest support and bottom bearing member and the supporting of seat portion is related, to make backrest and the seat portion can be to the deflection of the back lower place, must introduce one degree of freedom in described mechanism, the present portion of this free degree supporting member can make that in the time of its front end deflection seat portion supporting member can move backward.A kind of rotation-mobile/translation-articulated section between bottom bearing member and seat portion supporting member front end is disclosed in described two documents as prior art of beginning for this reason.Do to move according to present portion supporting member-whether wish portion's front end lifting during swing-motion, and the degree of wishing lifting how, be used for a long hole shape of portion's supporting member and move guide portion and can as at DE19810768A1, be provided with suddenlyer, or as among the DE10125994A1, being provided with more flatly.
Another essential characteristic of lazy-tongs is that the spring of its opposing deflection backward loads.For this reason from a large amount of spring structure known in the state of the art.Be provided with the combining structure of air pressure and helical compression spring in the lazy-tongs according to DE19810768A1, this combining structure is extended as the higher present portion in the unit supporting member below of structure.An application point of this spring structure is the preceding supported end of portion's supporting member, in the bearing of spring structure with the taper receptacle front of the present portion of its rear end supporting supporting member.
Be arranged on the spring structure that is provided with in the structure according to DE10125994A1 based on two disk springs (Schenkelfeder) that are installed in the bottom bearing member.A branch of described spring is installed in the adjusting device in the bottom bearing member, in contrast, second branch stretches out to the direction of upper edge seat portion supporting member, described seat portion supporting member, and is loaded with its swaying direction backward in this branch thus on the contrary by a corresponding bearing support.
In bottom bearing member, all occupied big part in the operational structure space according to two spring structures of prior art, thus its freely configuration will be limited in the narrower boundary.Particularly when adopting this known synchronization structure, bottom bearing member is owing to the reason of visual appearance has the ladle cover that takes up space, so that described spring structure and connected adjustment element are stashed basically.
For the adjustability problem of the pretightning force of spring structure, can be with reference to DE10008453C2, the document discloses a kind ofly has the spring unit that can insert and disconnect to change initial tension of spring and to change the spring assembly of the reaction force of opposing deflection thus.But spring structure described here itself is arranged between the seat portion-backrest-supporting member of combination of a bottom bearing member and an one, and the supporting member of described one can integrally be swung backward.This is not a kind of lazy-tongs in itself.
Summary of the invention
The objective of the invention is, improve a kind of lazy-tongs that are used for office seating in this wise, so that spring structure is also compact especially when having simple structure, and the below of present portion supporting member can spatially more closely be set, thereby under the situation that realizes big as far as possible design freedom, make the scope of bottom bearing member keep idle basically.
Described purpose realizes that by a kind of like this lazy-tongs that are used for office seating it comprises :-one can be arranged on the bottom bearing member on the seat post; One can swingingly be hinged on backrest support on the described bottom bearing member around a transverse axis; A seat portion supporting member, described seat portion supporting member can be around a transverse axis swingingly and can be connected with described bottom bearing member along seat portion basically by a rotation-move-articulated section in its front end area with vertically moving, and described seat portion supporting member can swingingly be connected with backrest support around a transverse axis in regional in its back-end; And one be used for the spring structure that the synchronous adjustment reverse movement ground of described seat portion's supporting member and described backrest support loaded described lazy-tongs with described lazy-tongs, wherein, spring structure has at least one and is arranged essentially parallel to a moving direction of the portion's supporting member extension spring of side-lower disposed thereon flatly, described extension spring be arranged on one be fixed on support and on the bottom bearing member be fixed on the backrest support or preferably fixing present portion supporting member on support between.
By described version, the cost at first structurally of whole spring structure is less, utilizes simple in structure and can utilize less constructional device to be connected extension spring work on the lazy-tongs because at first be.Described extension spring only need for example be suspended on the support of the corresponding hook-type on two bottom bearing members and seat portion or the backrest support.By the below of present portion supporting member upside flatly is set, can guarantee to realize spring structure one special space and the compact form of saving in addition." being positioned at side-lower on it " at this form of presentation should understand like this, be that described extension spring can be arranged on the covering subordinate side that a capping that passes through seat portion support forms, also can be arranged in the receptacle of upward opening of such seat portion supporting member, described seat portion supporting member is made of the compound ground of a compression casting part (komplex) usually and is provided with the structure member that is formed on it, for example ribs, axle receptacle etc.Important should be that described extension spring is parallel to the inside that portion's face flatly is positioned at the height profile of the seat portion supporting member that is essentially plate shape.Spring structure in fact flatly extends along seat portion supporting member backward thus, but and other structure and the design part of the zone abutment chair of reservation spring structure below use.
Spring structure also can be realized preferred improvement project so that the basic structure of extension spring is feasible, in described improvement project, can realize the adjustment to the pretightning force of spring structure simply.
According to an aspect of the present invention, described extension spring with four extension springs of even numbers-preferably-in couples and with respect to described lazy-tongs vertically in face be arranged on bottom bearing member and backrest support symmetrically or preferably between the seat portion supporting member.
According to another aspect of the present invention, in order to regulate the pretightning force of described at least one extension spring, at least one in described two supports is that the position is adjustable, to improve the length of spring.
According to a further aspect of the invention, the adjustable support in each position all is hinged on the receive hook part formation on the eccentric wheel rotationally by one.Wherein, described at least one eccentric wheel can be rotated by a worm-drive portion by an adjusting drive unit.
According to a further aspect of the invention, described worm-drive portion drives two with respect to the symmetrically arranged eccentric wheel structure that is used for the extension spring structure of two symmetries of face in vertically by reverse thread worm section.
According to a further aspect of the invention, each described eccentric wheel structure has the eccentric wheel that has a receive hook part and extension spring respectively that two side direction are arranged side by side, the Nei Ce eccentric wheel gear drive of conjugation in thread worm portion by worm-drive portion respectively wherein, and the eccentric wheel in the outside drives with the engaging gear of described gear engagement effect by one respectively.
According to a further aspect of the invention, described two receive hook parts are hinged on its eccentric wheel in the angle position of 90 ° of deflections mutually.
According to a further aspect of the invention, the adjustable support of described extension spring is provided with the rear end of present portion supporting member.
According to a further aspect of the invention, form by the receive hook part that is hinged on the bottom bearing member in the front area of the present portion of the nonadjustable support of described extension spring supporting member.
Description of drawings
The present invention will be described in detail in one embodiment with reference to the accompanying drawings.Wherein:
Fig. 1 illustrates the upward view of a synchronous mechanism,
Fig. 2 illustrate described lazy-tongs side view and
Fig. 3 illustrates the rearview of described lazy-tongs.
The specific embodiment
The basic structure of lazy-tongs should at first be described below.One bottom bearing member 1 is set as support unit, is provided with a taper receptacle 2 in this bottom bearing member zone in its back-end, so that described lazy-tongs cover is inserted on the upper end of a seat post (not shown).Other basic structural components of described lazy-tongs is backrest support 3 and seat portion supporting member 4.Described backrest support 3 nearby is being bearing on the bottom bearing member 1 by a transverse axis 5 before the taper receptacle 2 swingably.Backrest support has two sidepiece pillars 6,7 that extend to the back upper place arcly, and unshowned backrest is installed on the described sidepiece pillar.
In its side view (Fig. 2), bottom bearing member 1 is admitted the arch portion of backrest support 3 and is extended to the front upper place, has formed a crossbeam 8 here in its front end region.Transverse axis 9 of this beam supporting, this transverse axis can be finished a plurality of functions, promptly is used on the one hand rotating-supporting base portion supporting member 4 movably, on the other hand as the bearing of the extension spring structure 10 that has adjusting device 12 that is used for describing in detail.
Consider the supporting that will turn-move seat portion supporting member 4, described seat portion supporting member has two sidepiece walls that stretch out 13,14 downwards in the scope of its front end, described wall is respectively equipped with the slotted hole 15,16 that slightly descends backward on the vertical SL of present portion.Utilize 15,16 portion's supporting members 4 of described slotted hole on transverse axis 9, can and can move around this rotation along the direction of slotted hole 15,16.Promptly the conjugation by described these structure members forms a rotation-mobile-articulated section 17 between bottom bearing member 1 and seat portion supporting member 4.
Inherent its sidepiece wall 13,14 of seat portion supporting member 4 scope in its back-end is provided with the axle journal 18,19 that inwardly stretches out, and described axle journal is from the supporting extension that protrude upward 20,21 of outside conjugation on backrest support 3.Backrest support 3 and seat portion supporting member 4 hingedly interconnect swingably around a horizontal cross shaft thus.
For lazy-tongs being loaded with the adjusted in concert reverse movement ground that carries out that sets out by the home position shown in Fig. 1 and 2, be provided with illustrated generally with the 10 extension spring structures of representing, this extension spring structure has four in parallel to each other, the both sides of face M are arranged on an extension spring 22.1 to 22.4 (below when not needing to illustrate specially a single extension spring, represent with a common reference number 22) in the common horizontal plane from vertically.Described extension spring 22 hangs on the receive hook part 24 with its anterior link 23 respectively, and described receive hook part is hinged on again on the transverse axis 9 of crossbeam 8 of bottom bearing member 1 swingably.
Described extension spring 22 is gone up to have equally and reversed 90 ° link 25 with respect to anterior link 23 in its back-end.Utilize described link 25 extension springs 22 to hang again in the receive hook part 26 of the rear portion, described rear portion receive hook part with will be in the following detailed description of mode with the adjustable support in position of the adjusting device 12 that acts on the pretightning force of adjusting extension spring 22.Receive hook part 26 is hinged on the eccentric wheel 29 with the hinged end 28 that it deviates from hook end 27 for this reason.Described for this reason hinged end 28 has a bearing sleeve 30, and described eccentric wheel 29 corresponding axle journal 31 conjugations are in described bearing sleeve.This swaying direction that is articulated and connected is vertical.Described four eccentric wheels 29 are respectively equipped with gear disposed thereon coaxially, and wherein so-called engaging gear 32.1,32.4 sets the eccentric wheel 29.1,29.4 to two outsides.Gear 33.2,33.3 conjugations that described engaging gear 32.1,32.4 is provided with side within it respectively with being adjacent, eccentric wheel 29.2,29.3 rotational engagement of described inboard gear and two inboards.For example along clockwise and anticlockwise rotation, drive engaging gear 32.1,32.4 with opposite rotation direction by gear 33.2,33.3 respectively.
Realize the main of being made up of eccentric wheel 29 of eccentric wheel structure driven by an adjusting drive unit 34, described adjusting drive unit has in the present portion supporting member 4 transverse to vertical SL of seat portion and the horizontally extending control lever shaft that extends laterally 35, and described control lever shaft can rotate with hand by a control handle that is not shown specifically on the end.Described control lever shaft 35 has a thread worm portion 36 at the middle part, this thread worm portion and gear 33.2,33.3 conjugations also form a worm-drive portion 37.Thread worm described here portion 36 is divided into the opposite thread segment of both direction 38.2,38.3, thereby, always rotate along opposite rotation direction D1, D2 with the gear 33.2,33.3 of thread segment 38.2,38.3 conjugations by the rotation of control lever shaft 35 and worm-drive portion 37.
As shown in Figure 1, in the home position of adjustable eccentric wheel construction 12 shown here, the turned position of the eccentric wheel 29.1,29.4 in two outsides is such, and promptly receive hook part 26.1,26.4 is in its anterior dead-centre position.Relative therewith, inboard eccentric wheel 29.2,29.3 at its turned position upper deflecting 90 °, and be in admittance hook portion 26.2,26.3 under making thus to bias internal position farthest.The pretension degree of extension spring structure 10 is minimum in described position, and promptly the oscillating motion to the back lower place produces minimum resistance to backrest support 3 and seat portion supporting member 4.Present portion supporting member 4 is along in the motion process of rotation-mobile-articulated section 17 slips, and the distance between anterior receive hook part 24 and the rear portion receive hook part 26 becomes greatly, forms a corresponding reaction force thereby described extension spring 22 extends.In addition, in eccentric this set,, do not have tangible power to be delivered to and regulate on the drive unit 34 by gear 33.2,33.3 because outside spring 22.1,22.4 is in anterior stop.In addition, because the opposite thread segment 38.2,38.3 of thread worm portion 36, the axial force in this thread worm portion is cancelled out each other, and described axial force is acted in the described worm screw portion by inboard gear 33.2,33.3 by the pulling force of spring 22 with causing.Promptly do not have tangible power generally because the reaction of spring 22 is delivered on the control lever shaft 35, thereby guaranteed light manipulation.
Rotation thread worm portion 36 by control lever shaft 35 rotates in this wise, so that inboard gear 33.2,33.3 is along above-mentioned opposite rotation direction D1, D2 rotation, and the engaging gear 32.1,32.4 in the outside is rotated along opposite rotation direction D3, D4.Make inboard receive hook part 26.2,26.3 move to the dead-centre position at rear portion thus, and the receive hook part 26.1,26.4 in the outside from shown in anterior dead-centre position move to position to 90 ° of extrinsic deflections.All four extension springs 22 elongation backward generally owing to the skew of receive hook part 26, and be applied in bigger pretightning force thus.In being provided with of aforementioned pretightning force maximum, such as described, inboard spring is in the rear portion stop, thus the automatic revolution of the worm-drive portion 37 that causes of the loading of the extension spring 22 that extends strongly because the self-locking in the worm-drive portion 37 has prevented.
Claims (8)
1. be used for the lazy-tongs of office seating, comprise
-one can be arranged on the bottom bearing member (1) on the seat post,
-one can swingingly be hinged on backrest support (3) on the described bottom bearing member (1) around a transverse axis (5),
-one seat portion supporting member (4), described seat portion supporting member can be around a transverse axis (9) swingingly and can be connected with described bottom bearing member (1) movably along seat portion vertical (SL) basically by a rotation-translation-articulated section (17) in its front end area, and described seat portion supporting member can swingingly be connected with backrest support (3) around a transverse axis (18,19) in the zone in its back-end, and
-one is used for the spring structure (10) that the synchronous adjustment reverse movement ground of described seat portion's supporting member (4) and described backrest support (3) loaded described lazy-tongs with described lazy-tongs,
Wherein,
-described spring structure (10) has at least one and is arranged essentially parallel to the extension spring (22) that a moving direction of portion's supporting member (4) flatly is provided with the last side-lower of present portion supporting member, each described extension spring be arranged on one be fixed on that support (24) and on the bottom bearing member is fixed on that backrest support (3) goes up or seat portion supporting member (4) on support (26) between, and
In order to regulate the pretightning force of described at least one extension spring (22), at least one (26) in described two supports are that the position is adjustable, with the length of raising spring,
It is characterized in that,
The support that each position is adjustable all forms by a receive hook part (26) that is hinged on rotationally on the eccentric wheel (29), and
At least one eccentric wheel (29) can be rotated by a worm-drive portion (37) by an adjusting drive unit (34).
2. according to the lazy-tongs of claim 1, it is characterized in that, described extension spring (22) with even numbers in couples and with respect to described lazy-tongs vertically in face (M) be arranged on symmetrically between bottom bearing member (1) and backrest support (3) or the seat portion supporting member (4).
3. according to the lazy-tongs of claim 2, it is characterized in that described extension spring (22) comprises four extension springs (22.1-22.4).
4. according to each lazy-tongs among the claim 1-3, it is characterized in that, four extension springs (22) form two with respect to the described vertically middle symmetrically arranged extension spring structure (22.1 of face (M), 22.2 and 22.3,22.4), two of four eccentric wheels (29) formation are symmetrically arranged with respect to vertically middle face (M), be used for described two symmetrically arranged extension spring structures (22.1,22.2 and 22.3,22.4) eccentric wheel structure (29.1,29.2 and 29.3,29.4), and described worm-drive portion (37) is by reverse thread worm section (38.2,38.3) described two eccentric wheel structures (29.1 of driving, 29.2 and 29.3,29.4).
5. according to the lazy-tongs of claim 4, it is characterized in that, each described eccentric wheel structure (29.1,29.2 and 29.3,29.4) have an eccentric wheel (29) that two side direction are arranged side by side, the eccentric wheel (29) that described two side direction are arranged side by side all engages with a described receive hook part (26) and a described extension spring (22), the inboard eccentric wheel (29.2 of the eccentric wheel (29) that wherein said two side direction are arranged side by side, 29.3) the gear (33.2 of conjugation in thread worm portion (36) by worm-drive portion (37), 33.3) drive, and the outside eccentric wheel of the eccentric wheel (29) that described two side direction are arranged side by side (29.1,29.4) by with described gear (33.2,33.3) engaging gear (32.1 of conjugation, 32.4) drive.
6. according to the lazy-tongs of claim 5, it is characterized in that two the receive hook parts (26.1,26.2 and 26.3,26.4) that engage with eccentric wheel (29) that two side direction in each eccentric wheel structure (29.1,29.2 and 29.3,29.4) are arranged side by side are hinged on its eccentric wheel (29) in the angle position of 90 ° of deflections mutually.
7. according to each lazy-tongs among the claim 1-3, it is characterized in that the support (26) that the position of described extension spring (22) is adjustable is provided with the rear end of present portion's supporting member (4).
8. according to each lazy-tongs among the claim 1-3, it is characterized in that, the position of another (24) in described two supports is nonadjustable, is formed by the receive hook part (24) that is hinged on the bottom bearing member (1) in the front area of the present portion's supporting member (4) of the nonadjustable support of described extension spring (22).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10357165.5 | 2003-12-06 | ||
| DE10357165A DE10357165A1 (en) | 2003-12-06 | 2003-12-06 | Synchronous mechanism for office chairs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1623471A CN1623471A (en) | 2005-06-08 |
| CN100569144C true CN100569144C (en) | 2009-12-16 |
Family
ID=34442488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100969420A Expired - Fee Related CN100569144C (en) | 2003-12-06 | 2004-12-06 | The lazy-tongs that are used for office seating |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1537804B1 (en) |
| CN (1) | CN100569144C (en) |
| AT (1) | ATE354992T1 (en) |
| DE (2) | DE10357165A1 (en) |
| DK (1) | DK1537804T3 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007040175B3 (en) | 2007-05-07 | 2008-06-05 | Bock 1 Gmbh & Co. Kg | Synchronism mechanism for office chair, has spring arrangement with helical spring locked in area of winding channel against spring deformation, where channel acts on latch of adjusting arrangement, and has variable engagement depths |
| DE102007021782B3 (en) | 2007-05-07 | 2008-09-18 | Bock 1 Gmbh & Co. Kg | Synchronous mechanism for office chairs |
| WO2010028412A1 (en) * | 2008-09-15 | 2010-03-18 | Bene Ag | Device for adjusting the pivoting resistance of a backrest |
| DE102009010234A1 (en) * | 2009-02-24 | 2010-09-02 | Klöber GmbH | Synchronization mechanism for office chair, has spring lever with rotation point that is arranged in lower region of plate, where front pivotable part of spring lever is directly pressed on pressure spring |
| JP5724063B2 (en) * | 2010-12-27 | 2015-05-27 | コクヨ株式会社 | Chair |
| US9277821B2 (en) | 2011-07-01 | 2016-03-08 | L&P Property Management Company | Tilt mechanism for a chair and chair |
| CN102813392A (en) * | 2012-08-16 | 2012-12-12 | 中山凯美日用品有限公司 | Angle adjusting and positioning device for chair back |
| DE102014104870A1 (en) | 2014-04-04 | 2015-10-08 | Bock 1 Gmbh & Co. Kg | Mechanics for an office chair |
| DE102015214297B4 (en) * | 2015-07-28 | 2023-03-23 | Stabilus Gmbh | Electrically adjustable office chair |
| CN105361484B (en) * | 2015-12-01 | 2017-11-24 | 中原工学院 | A kind of timing adjustable seating |
| DE102018115925A1 (en) * | 2018-07-02 | 2020-01-02 | König + Neurath AG | chair |
| DE102020101033A1 (en) | 2020-01-17 | 2021-07-22 | Bock 1 Gmbh & Co. Kg | Carrier for a chair |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4653806A (en) * | 1984-01-14 | 1987-03-31 | Mauser-Waldeck Ag | Pivotally and slidably connected cantilevered swivel seat |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5106157A (en) * | 1989-03-01 | 1992-04-21 | Herman Miller, Inc. | Chair height and tilt adjustment mechanisms |
| FR2674414B1 (en) * | 1991-03-26 | 1995-05-05 | Lingranotto Ets | SYNCHRONIZED BACK SEAT AND SEAT. |
| DE19640564A1 (en) * | 1996-10-01 | 1998-04-02 | Stoll Sedus Ag | Seating with reclining seat and backrest |
| DE19810768B4 (en) | 1998-03-06 | 2009-09-24 | Drabert Gmbh | office chair |
| DE19823632C1 (en) * | 1998-05-27 | 1999-09-30 | Roeder Peter | Office chair |
| DE19922442A1 (en) * | 1999-05-07 | 2000-11-30 | Sdm Hansen Ag St Margrethen | Seat with backrest has gas compression spring with main spring and one or more additional springs selectively supporting same for biasing front bearing point of seat plate |
| DE20003313U1 (en) | 2000-02-23 | 2001-07-05 | Koenig & Neurath Ag | Spring unit for weight adjustment of a chair |
| CA2525902A1 (en) * | 2001-01-25 | 2002-07-25 | Jsj Seating Company Texas, L.P. | Office chair |
| DE10125994A1 (en) | 2001-05-18 | 2002-11-21 | Bock 1 Gmbh & Co | Synchronous mechanism for a correlated movement of the seat backrest of an office chair |
| DE10241562A1 (en) * | 2002-09-07 | 2004-03-18 | Bock-1 Gmbh & Co. | Synchronous mechanism for office chairs |
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2003
- 2003-12-06 DE DE10357165A patent/DE10357165A1/en not_active Withdrawn
-
2004
- 2004-10-21 AT AT04025029T patent/ATE354992T1/en not_active IP Right Cessation
- 2004-10-21 DE DE502004003024T patent/DE502004003024D1/en active Active
- 2004-10-21 EP EP04025029A patent/EP1537804B1/en not_active Not-in-force
- 2004-10-21 DK DK04025029T patent/DK1537804T3/en active
- 2004-12-06 CN CNB2004100969420A patent/CN100569144C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4653806A (en) * | 1984-01-14 | 1987-03-31 | Mauser-Waldeck Ag | Pivotally and slidably connected cantilevered swivel seat |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE354992T1 (en) | 2006-03-15 |
| CN1623471A (en) | 2005-06-08 |
| DE10357165A1 (en) | 2005-06-30 |
| DK1537804T3 (en) | 2007-06-25 |
| EP1537804A1 (en) | 2005-06-08 |
| EP1537804B1 (en) | 2007-02-28 |
| DE502004003024D1 (en) | 2007-04-12 |
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