EP1698256B1 - Siège, notamment chaise de bureau - Google Patents
Siège, notamment chaise de bureau Download PDFInfo
- Publication number
- EP1698256B1 EP1698256B1 EP20060004195 EP06004195A EP1698256B1 EP 1698256 B1 EP1698256 B1 EP 1698256B1 EP 20060004195 EP20060004195 EP 20060004195 EP 06004195 A EP06004195 A EP 06004195A EP 1698256 B1 EP1698256 B1 EP 1698256B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- backrest
- guide
- clasp
- backrest support
- piece
- 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.)
- Not-in-force
Links
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 101100074336 Xenopus laevis ripply2.1 gene Proteins 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003716 rejuvenation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised 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
- 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
Definitions
- the present invention relates to a chair, in particular an office chair, with a height-adjustable backrest.
- a chair according to the preamble of claim 1 is known from EP 0 970 639 A known.
- An object of the present invention is to provide a height adjustment for a chair with comparatively simple structural means, which also allows a visually appealing design of the chair.
- the seat according to the invention comprises a backrest in which two side struts of a frame are connected together by a clip, wherein the backrest is connected via this clip height adjustable with a backrest support.
- a basic idea of the invention is that both the connection of the backrest to the backrest support and the height adjustment mechanism outside the actual Provide backrest.
- the backrest itself can thus be designed freely as desired, without additional space for the height adjustment mechanism must be provided. This makes it possible to design visually appealing backrests.
- connection of the backrest to the backrest support takes place exclusively via the clasp.
- no further holding, support or fastening elements are required for providing the backrest in its use position.
- structurally comparatively simple fasteners can be used. Since the height adjustment mechanism is separated from the backrest, it is finally easier for the user to access, which significantly simplifies their handling.
- the backrest is designed as a so-called mesh back, so that a particularly delicate look can be achieved.
- the present invention is particularly advantageous if no cushioning elements are provided, in which the connection of the backrest to the backrest support or the height adjustment mechanism can be accommodated. Previous mesh backs are always firmly connected to the backrest support, without a height adjustment would be possible. With the present invention For the first time, a height-adjustable mesh back is provided.
- the functional elements simultaneously required for the height adjustment and the mechanical connection of the backrest to the backrest support are advantageously provided both in the clasp and in the backrest support.
- By dividing the required functional elements on both components of each space required there is reduced to a minimum.
- the arranged in the clasp first functional elements are combined in an adapter block, which is attached as a separate component on the clasp or integrated in the clasp.
- the functional elements are concentrated in a small space, resulting in a very compact design.
- the second functional elements interacting with the first functional elements are also preferably integrated in the backrest support, so that it can have a particularly slim design. It is essential that all functional elements are outsourced from the actual backrest.
- the clip is connected to the backrest support via a guide. Grasping it provided on the clasp guide elements in the side surfaces of the backrest support, so the connection of the backrest to the backrest support can be performed optically unobtrusive.
- the leadership of the clasp designed as a play-free linear sliding guide it is with a relatively small design effort a clean, Tolerance-compensated and low-wear guidance guaranteed.
- the height adjustment takes place by means of a slotted guide.
- a slotted guide This allows a particularly precise height adjustment. If a number of adjustment positions defined by the slotted guide, in addition a height adjustment of the backrest in several stages and thus particularly user-friendly ergonomic aspects is possible in a particularly simple manner.
- a backrest 1 of an office chair is shown in different perspectives.
- the backrest 1 is a so-called mesh back, but only the frame is shown, while the mesh covering is hidden for reasons of clarity.
- the frame is constructed of a number of frame segments 2, the two side struts 3, 4 and an upper Cross strut 5 and a lower cross member 6 form, so that there is a substantially rectangular basic shape for the frame.
- fasteners 7 are provided for attachment of the mesh fabric.
- the two side struts 3, 4 are additionally interconnected in the lower frame half by a in the use position of the chair extending substantially in the horizontal direction 8 clip 9. This is connected by fasteners not shown with the side struts 3, 4.
- the clasp 9 may also be designed as a component integrally connected to the corresponding frame segments 2.
- the clasp 9 has in the center an adapter block 10 with further described below in detail first functional elements. These first functional elements cooperate with second functional elements, which are arranged on a backrest support 12 extending substantially in the vertical direction 11 in the useful position of the chair, and whose function will also be explained below.
- the first and second functional elements ensure both the mechanical connection of the backrest 1 to the backrest support 12 and the height adjustment of the backrest 1 in the vertical direction 11.
- the backrest 1 is shown in its lower use position. From this it can be transferred via a number of intermediate stages in an upper use position. As will be described in detail below, the height adjustment of the backrest 1 is done solely by moving the backrest 1 in the vertical direction 11 up or down. An unlocking button or the like does not have to be operated. It is sufficient to grab the backrest 1, for example, on the clasp 9 and to lead up or down.
- an optional rear cover of the adapter block 10. This can serve to cover the first functional elements arranged there. In addition to protection of the functional elements from contamination, the cover then also fulfills the function of a screen.
- the adapter block 10 When adjusting the height of the backrest 1, the adapter block 10 can be moved to the backrest support 12 up to the upwardly facing free end 13.
- the free end 13 of the opposite end of the backrest support 12 runs in an approximately L-shaped forward in the direction of the non-pictured seat of the office chair in two mutually parallel retaining cheeks 14, see. Fig. 3 ,
- the retaining cheeks 14 are provided with fastening elements 15 for mounting on a synchronous mechanism of an office chair or the like.
- the provided on the clasp 9 first functional elements are arranged on the rear side 16 of the adapter block 10, which faces away from the backrest 1.
- the first functional elements point toward the front 17 of the backrest support 12. They are preferably made of a plastic material and as well as the majority of the other components, such as frame segments 2, clasp 9, etc. produced in an injection molding process.
- the first functional elements comprise in detail a linear sliding guide 18 and a slide guide 19, cf. Fig. 4 ,
- the linear sliding guide 18 comprises four guide elements 20, 21, 22, 23 for guiding the backrest 1 am Backrest support 12.
- the guide elements are arranged in pairs on both sides of the approximately centrally arranged on the adapter block 10 and substantially vertically extending link guide 19.
- the arranged on one side of the slide guide 19 guide elements are formed as a substantially rectangular guide lugs 20, 21 which extend in the form of lobes out of the surface of the adapter block 10 in the direction slide guide 19.
- the arranged on the opposite side of the slide guide 19 guide elements are formed as a hollow cylinder 22, 23 and consist of an elastic material.
- the hollow cylinder 22, 23 are attached with their openings 24 to corresponding holding cylinder 25, which extend perpendicular to the plane of the adapter block 10 out.
- To the hollow cylinder 22, 23 around limiting blocks 26 are also provided, which include the hollow cylinder 22, 23 almost fully. Only on the slide guide 19 facing side of the boundary blocks 26 recesses 27 are provided, through which the hollow cylinder 22, 23 extend in the direction of slide guide 19, wherein the lateral surfaces are exposed in this area. The exposed areas also serve as the actual engagement members of these guide elements.
- both the two guide lugs 20, 21 and the two exposed areas of the hollow cylinders 22, 23 engage in two correspondingly formed guide grooves 28 on the backrest support 12.
- the dimensions of the guide lugs 20, 21 and the hollow cylinder 22, 23 are selected in view of the width of the guide grooves 28 so that they almost in these free play.
- the mounting position of the backrest support 12 accordingly Fig. 1 is in Fig. 4 indicated by broken lines 29.
- a height adjustment using the slotted guide 19 is ensured by the elastic yielding and rolling the hollow cylinder 22, 23 a clean management of the adapter block 10 to the backrest support 12.
- the guide 28 are introduced laterally in the main body of the backrest support 12, so extend in the intermediate region between the front 17 and back 30.
- the guide 28 close to the free end 13 of the backrest support 12 and are made open at the top, so that the mounting of the adapter block 10 or the backrest 1 can be done by simply inserting the guide elements 20, 21, 22, 23 of the adapter block 10 in the guide grooves 28.
- the in Fig. 5 protruding from the plane of projection, for engagement in the slotted guide 19 guide pin 31 is mounted in a sliding block 32 which can be deflected in a provided on the front 17 of the backrest support 12, forwardly open guide channel 33 on a substantially horizontal guideway.
- the guide channel 33 is limited at its two ends in each case by a guide rail 34 which is screwed onto the front side 17 of the backrest support 12 and serves as a guide surface for the adapter block 10 in the mounted state.
- the guide pin 31 is designed as a steel pin or the like.
- the sliding block 32 is forced by a connected to the sliding block 32 spring 35 forcibly in its normal position, ie held approximately centrally in the guide channel 33. However, it can be deflected in the transverse direction against the spring force of the spring 35, as indicated by arrows 36.
- the made of spring wire or the like spring 35 extends from the slide block 32 in a franking 36 in the main body of the backrest support 12 to its mounting point 37, in which they run with their L-shaped tail in a plane perpendicular to the plane, in the main body of the backrest support 12 protruding hole (not shown) is mounted. Below the mounting point 37, the spring 35 is again fixed in a tong-like taper 38 of the clearance 36, so that the spring 35 receives an additional clamping and on a further attachment, for example in the form of a screw can be dispensed with.
- the link guide 19 provided on the adapter block 10 is formed in two parts, with a first link track 39 extending in a straight line in the vertical direction 11 and ending at the bottom 40 of the adapter block 10 in an insertion opening 41.
- a further slide track 42 is provided which extends substantially parallel to the first slide track 39.
- This second slide track 42 is formed in a waveform such that a number of rest positions 43 results for the sliding in the sliding guide 42 guide pin 31, which define different adjustment positions of the backrest 1.
- the rest positions 43 are on the imaginary center line 44 of the adapter block 10.
- Both slide tracks 39, 42 are connected to each other such that the guide pin 31 can change from a slide track in the other slide track.
- the change is, however always possible only at the upper or lower tail, so that a so-called "no-touch system” results.
- This is designed in the embodiment shown here such that a height adjustment of the backrest 1 upwards over the provided with rest positions gate link 42 42 is possible, while at an adjustment of the backrest 1 down no intermediate positions are possible.
- the backrest 1 when a lower backrest position is to be adjusted, first to the highest use position and beyond to be moved, so that the guide pin 31 can change from the upwardly leading slide track 42 in the downwardly leading slide track 39.
- the backrest 1 can be moved to its lower use position, from where it can be brought up again in the desired adjustment position.
- the upper rest position 43 'and the lower rest position 43 "three further rest positions 43 are provided for the guide pin 31 in the example shown, which define the intermediate positions.
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Claims (8)
- Siège, en particulier chaise de bureau, comprenant un dossier (1) et un support de dossier (12), le dossier (1) présentant un cadre (2) pourvu de deux montants latéraux (3, 4),
caractérisé en ce que le dossier (1) présente une barre (9) reliant les deux montants latéraux (3, 4) et est connecté au support de dossier (12) de manière réglable en hauteur par le biais de cette barre (9). - Siège selon la revendication 1, caractérisé en ce que le dossier (1) est réalisé sous la forme d'un dos en filet.
- Siège selon la revendication 1 ou 2, caractérisé en ce que la barre (9) présente des premiers éléments fonctionnels (18, 19) pour le réglage en hauteur.
- Siège selon la revendication 3, caractérisé en ce que le support de dossier (12) présente des deuxièmes éléments fonctionnels (28, 31) coopérant avec les premiers éléments fonctionnels (18, 19) pour le réglage en hauteur.
- Siège selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la barre (9) est guidée dans le support de dossier (12).
- Siège selon la revendication 5, caractérisé en ce que le guidage de la barre (9) est réalisé sous la forme d'un guidage coulissant linéaire sans jeu.
- Siège selon l'une quelconque des revendications 1 à 6, caractérisé par un guidage à coulisse (19) pour le réglage en hauteur.
- Siège selon la revendication 7, caractérisé en ce que le guidage à coulisse (19) présente une pluralité de positions de réglage (43).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510010533 DE102005010533A1 (de) | 2005-03-04 | 2005-03-04 | Sitzmöbel, insbesondere Bürostuhl |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1698256A1 EP1698256A1 (fr) | 2006-09-06 |
EP1698256B1 true EP1698256B1 (fr) | 2008-09-24 |
Family
ID=36581712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20060004195 Not-in-force EP1698256B1 (fr) | 2005-03-04 | 2006-03-02 | Siège, notamment chaise de bureau |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1698256B1 (fr) |
DE (2) | DE102005010533A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2363611T3 (es) | 2007-06-20 | 2011-08-10 | Steelcase Sa | Sistema de ajuste en altura del respaldo de un asiento. |
CN106235729A (zh) * | 2016-08-29 | 2016-12-21 | 苏州奥米多家具股份有限公司 | 一种家用多功能休闲椅 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2599301A (en) * | 1951-05-07 | 1952-06-03 | Sturgis Posture Chair Company | Posture chair |
US4639039A (en) * | 1985-09-10 | 1987-01-27 | Milsco Manufacturing Company | Height adjustment mechanism for chair backrest |
US4832406A (en) * | 1987-02-06 | 1989-05-23 | Mt Design | Chair with collapsible arms |
DE19533070C2 (de) * | 1995-09-07 | 1997-07-10 | Heitlinger Karl Leo | Stuhl |
EP0970639A1 (fr) * | 1998-07-07 | 2000-01-12 | Provenda Marketing Ag | Support lombaire réglable |
US6158810A (en) * | 1998-11-17 | 2000-12-12 | Galloway; Robert | Chair back tilt apparatus |
DE10048779A1 (de) * | 2000-09-29 | 2002-04-18 | Stoll Sedus Ag | Rückenlehne |
DE10148645A1 (de) * | 2001-10-02 | 2003-04-10 | Dauphin Friedrich W Gmbh | Rückenlehne für einen Stuhl |
-
2005
- 2005-03-04 DE DE200510010533 patent/DE102005010533A1/de not_active Withdrawn
-
2006
- 2006-03-02 EP EP20060004195 patent/EP1698256B1/fr not_active Not-in-force
- 2006-03-02 DE DE200650001618 patent/DE502006001618D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE502006001618D1 (de) | 2008-11-06 |
DE102005010533A1 (de) | 2006-09-07 |
EP1698256A1 (fr) | 2006-09-06 |
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