EP1584266A1 - Chair with rocking mechanism - Google Patents

Chair with rocking mechanism Download PDF

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Publication number
EP1584266A1
EP1584266A1 EP05001107A EP05001107A EP1584266A1 EP 1584266 A1 EP1584266 A1 EP 1584266A1 EP 05001107 A EP05001107 A EP 05001107A EP 05001107 A EP05001107 A EP 05001107A EP 1584266 A1 EP1584266 A1 EP 1584266A1
Authority
EP
European Patent Office
Prior art keywords
seat
housing part
chair
pressure plate
rocking mechanism
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.)
Granted
Application number
EP05001107A
Other languages
German (de)
French (fr)
Other versions
EP1584266B1 (en
Inventor
Hans-Peter Suhr
Reinhard Weber
Uwe Krautheimer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VS Vereinigte Spezialmobelfabriken GmbH and Co KG
Original Assignee
VS Vereinigte Spezialmobelfabriken GmbH and Co KG
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Publication date
Application filed by VS Vereinigte Spezialmobelfabriken GmbH and Co KG filed Critical VS Vereinigte Spezialmobelfabriken GmbH and Co KG
Publication of EP1584266A1 publication Critical patent/EP1584266A1/en
Application granted granted Critical
Publication of EP1584266B1 publication Critical patent/EP1584266B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/026—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with central column, e.g. rocking office chairs; Tilting chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/027—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with curved rocking members between seat and base frame
    • 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
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes
    • A47C9/002—Stools for specified purposes with exercising means or having special therapeutic or ergonomic effects

Definitions

  • the present invention relates to a chair, in particular an office chair or Student chair, with a tilt mechanism according to the preamble of claim 1.
  • Fig. 1 shows a schematic side view of a conventional chair 10, in which Also, the present invention is applicable.
  • the chair 10 basically consists from a pedestal 12 and a seat 14.
  • the seat 14 is usually from a seat 16 and a backrest 18, either in one piece or can be formed separately from each other.
  • the pedestal 12 has in known One foot 20, the on castors or feet 22 movable or fixed is stored, and a chair column 24 with integrated gas spring on.
  • the seat surface 16 of the seat 14 is supported on a seat support 26, which has a Seat 28 on the gas spring of the chair column 24 height-adjustable and spring-supported is. Between the seat support 26 and the receptacle 28 for the gas spring of Chair column 24 is a rocking mechanism 30 is arranged, by means of which the seat 14 in the front / rear direction of the seat 16 can be inclined.
  • the rocking mechanism 30 has in particular first housing part 32 which is fixedly connected to the seat support 26, and a second Housing part 34 fixed with the receptacle 28 for the gas spring of the chair column 24 is connected. Between the first and the second housing part 32, 34 are a pressure plate 36 and two spring blocks 38 of an elastically deformable Material arranged.
  • the pressure plate 36 has on its upper side (or optionally Bottom) has an approximately hemispherical conicity in the front / rear direction of the Seat 16 about a pivot axis 36 a, and the spring blocks 38 are relative to the pressure plate 36 also in the front / rear direction of the seat 16th arranged.
  • the seat 14 of the chair 10 can by means of this conventional rocking mechanism 30 in the front / rear direction of the seat 16 are inclined by the first Housing part 32 which is connected via the seat support 26 fixed to the seat 14 via the conicity of the pressure plate 36 is tilted about the pivot axis 36a, wherein each after tilting of the seat 14 of the front or the rear spring block 38 through the first housing part 32 against the rigidly arranged second housing part 34th pressed together.
  • the seat 14 is characterized by the spring blocks 38 from the elastically deformable material spring mounted. Depending on the type and purpose of the chair 10 can be special materials, each with adapted characteristics be used for the spring blocks 38.
  • DE-A-101 06 791 discloses a chair on which the preamble of Patent claim 1 is based.
  • This known chair has a rocking mechanism, the a tilt of the seat relative to the horizontal both in the usual Front / rear direction of the seat as well as in addition in the right / left direction the seat allows.
  • the rocking mechanism consists in this case a triangular-shaped articulation of the seat via spring elements on a Support frame. Overall, such a tilting of the seat in about 45 ° from the Seat direction deviating directions possible.
  • the invention has for its object to provide a chair with a rocking mechanism, the improved ergonomic features of a simple design having.
  • the chair has a base, a seat with a seat and a backrest, a seat support for supporting the seat on the pedestal and a rocking mechanism, which is arranged between the seat support and the pedestal on.
  • the rocking mechanism is arranged and formed so that it has a tilt of the seat the seat relative to the horizontal in both a front / back direction of the Seat as well as in a right / left direction of the seat allows.
  • the rocking mechanism has a pressure plate with a first conicity the front / rear direction of the seat over which the seat in the front / rear direction can be inclined, and a second taper in the right / left direction the seat over which the seat is inclined in the right / left direction can be on.
  • the two conicities of the printing plate can on each other opposite surfaces of the printing plate in the up / down direction of the Be provided pressure plate. From an ergonomic point of view is for chairs besides a possible inclination of the seat in the front / rear direction also a possible inclination of the seat in the right / left direction desirable which allows the invention in a simple manner by the particular rocking mechanism is.
  • the simple structure of the rocking mechanism according to the invention is also Easy to maintain and has a long service life.
  • the pressure plate is preferred stored elastically deformable first and second spring blocks, wherein at least a first spring block of the pressure plate in the front / rear direction of the seat is assigned and at least a second spring block of the pressure plate in the right / left direction the seat is assigned.
  • the pressure plate on the one hand against the Seat support and on the other hand against a receiving part for the pedestal or for the Gas spring supported in a chair column of the pedestal.
  • the Wippmechanik a first housing part and a second housing part, wherein the first housing part to the seat support of the seat is attached and the second housing part on the first Housing part is attached.
  • the first housing part in the second Housing part fitted and the second housing part on the seat support of the seat be attached.
  • the rocking mechanism should tilt the seat surface the seat relative to the horizontal in the front / rear direction of the seat by a maximum of about 7.5 ° to about 8 ° and in the right / left direction of the seat allow a maximum of about 3.5 °.
  • the present invention is particularly advantageous in swivel chairs, such as office chairs and student chairs can be used.
  • the present invention is, for example, in a swivel chair 10 according to the above 1, without being restricted to this application to be.
  • FIGS. 3 and 4 first, a first embodiment of a rocking mechanism 30 described in more detail.
  • a rocking mechanism 30 described in more detail.
  • the rocking mechanism 30 has a first housing part 32 and a second housing part 34 of a pressure-resistant material, such as metal, between which the remaining components of the tilt mechanism 30 are received.
  • a pressure-resistant material such as metal
  • the first housing part 32 in the second housing part 34th fitted and the second housing part 34 is for example by means of screw firmly connected to the seat support 26 of the seat 14 of a chair 10.
  • first spring blocks 38 and two second spring blocks 42 Between the two housing parts 32 and 34 of the Wippmechanik 30 are two first spring blocks 38 and two second spring blocks 42, a receiving part 40 and a pressure plate 36 is arranged.
  • the first and second spring blocks 38, 42 are pairwise in the front / rear direction or the right / left direction of the seat 16 in corresponding Recesses 34a, 34b of the second housing part 34 received.
  • the first and the second spring blocks 38, 42 are made of an elastically deformable Material, such as a (cellular) polyurethane elastomer, and serve the Sprung bearing of the tilt mechanism 30.
  • Polyurethane elastomer is available in different Densities and with different spring characteristics, which in general are highly progressive, available.
  • the Spring blocks 38, 42 are therefore selected optimally adapted.
  • the first spring blocks 38 may have other properties than the second ones Be provided spring blocks 42.
  • the first and the second spring blocks 38, 42 be marked differently colored.
  • the present invention is of course, not only on spring blocks 38, 42 made of a polyurethane elastomer limited.
  • the receiving part 40 of a pressure-resistant material, such as metal or plastic with embedded metal components, set which has a plate portion 40a and a central tube portion 40b has, which are preferably integrally formed.
  • the receiving part 40 With the revolving plate section 40a, the receiving part 40 is supported on the spring blocks 38, 42, while the pipe section 40b of the recording by a corresponding Opening 34c (not shown in Figure 3) in the bottom of the second housing part 34th protruding chair column 24 and the gas spring in the chair column 24 is used.
  • the pressure plate 36 made of a pressure-resistant material, such as For example, metal or plastic with embedded metal components, set.
  • the pressure plate 36 has centrally a recess 36d, through which the upper part the tube section 40b of the receiving part 40 is guided.
  • the pressure plate 36 supports on the plate portion 40a of the receiving part 40 from.
  • the pressure plate 36 a first taper 36b and a second taper 36c.
  • the first taper 36b is provided on the underside of the pressure plate 36 and extends in the front / rear direction the seat 16, while second taper 36c on the top the pressure plate 36 is provided and in the right / left direction of the seat 16, i. rotated by 90 ° with respect to the first taper 36b.
  • the first taper 36b serves a possible Inclination of the seat 14 in the front / rear direction of the seat surface 16
  • the second taper 36c serves for a possible inclination of the seat 14 in the right / left direction the seat 16.
  • the first housing part 32 On the pressure plate 36, the first housing part 32 is set, wherein the first Housing part 32 as the other components of the rocking mechanism 30 in the second Housing part 34 is fitted.
  • the rocking mechanism 30 When the rocking mechanism 30 is assembled and is attached to the seat support 26 of the seat 14, the first and the second Spring blocks 38, 42 biased accordingly.
  • the first and second housing parts 32 and 34 In addition, in each case a recess 43 or 44 for a gas spring lever 46, with which operates in a known manner, the gas spring in the chair column 26 and the Height of the seat 14 above the pedestal 12 can be adjusted.
  • FIG. 4a, 4b and 4c are different sectional views of the together built rocking mechanism 30 of FIG. 3 to the operation of the to illustrate in more detail rocking mechanism 30 according to the invention.
  • Fig. 4a In the illustration of Fig. 4a can be seen how the seat 14 in the right / left direction the seat 16 can be inclined relative to the horizontal.
  • the seat 14 In Fig. 4a, the seat 14 is inclined by about 3.5 ° to the left, whereby the first housing part 32 and connected to this second housing part 34 are also tilted.
  • the receiving part 40 is firmly connected to the chair column 24 and stays with it vertically aligned.
  • the inclination of the seat 14 in the right / left direction of Seat 16 is by abutment of the top of the second taper 36 c of Pressure plate 36 is limited to the underside of the first housing part 32, wherein in this case, the second spring block 42 facing away from the mutual stop its inherent spring force is compressed.
  • the seat 14 can be extended forwards or backwards by up to about 7.5 ° to 8 ° tilted back, as illustrated in Fig. 4b, whereby the first housing part 32 and connected to this second housing part 34 also tilted become.
  • the receiving part 40 remains fixed vertically again.
  • the inclination the seat 14 in the front / rear direction of the seat surface 16 is through the stopper the underside of the first taper 36b of the pressure plate 36 against the top of the Plate portion 40 a of the receiving part 40 and the stop of the top of the non-conical pressure plate 36 against the underside of the first housing part 32nd limited, in which case the opposite of the mutual attacks first Spring block 38 is pressed together against its inherent spring force.
  • the friction between the spring blocks 38, 42, the receiving part 40 and the Housing parts 32, 34 is large enough so that the receiving part 40 safely and permanently can remain fixed in its position so that the individual components are not be mutually displaced and thereby cause noise and / or Show wear.
  • FIGS. 5a to 5d Wippmechanik explained according to the present invention.
  • FIGS. 5a to 5d Wippmechanik explained according to the present invention.
  • the same or similar components with the same reference numerals as in Figs. 1 to 4, and a repeated description of their structure and operation is largely dispensed with.
  • the rocking mechanism 30 of the second embodiment of FIG. 5 differs itself from the Wippmechanik of the first embodiment in particular in the two housing parts 32 and 34. While in the first embodiment described above the first housing part 32 fitted in the second housing part 34 is, and the second housing part 34 is, for example by means of screw is firmly connected to the seat support 26 of the seat 14 of a chair 10 is in the embodiment of FIG. 5, the first housing part 32 for example by means Screwed firmly connected to the seat support 26 of the seat 14 and the second housing part 34 is fixed, for example by means of screw with the first housing part 32 connected.
  • This construction of the first and the second housing part 32, 34 has the advantage that the first housing part 32, so to speak as an adapter for adaptation to the hole pattern of respective seat support 26 can be used.
  • the remaining components correspond to those of the above embodiment, and with the Wippmechanik 30 of FIG. 5 may have the same functions and advantages as can be achieved with the rocking mechanism described above.
  • the rocking mechanism 30 of the invention allows in addition to the known inclination of a Seat 14 in the front / rear direction of the seat also one of ergonomic Favorable inclination of the seat 14 in the right / left direction of the Seat 16. Due to the integration of the two inclination possibilities according to the invention in the front / rear direction of the seat 16 and in the right / left direction the seat 16 in a common rocking mechanism 30 is also an undesirable increase in the seat 14 effectively avoided.
  • the maximum inclinations of approx 3.5 ° for the right / left direction of the seat 16 and from about 7.5 ° to 8 ° for the front / back direction of the seat 16 have become ergonomic Considered to be particularly favorable.
  • the present invention is Of course, not limited to these maximum values, but also can smaller or larger maximum slopes can be selected, if desired.

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  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

The chair (10) is assembled of a base (12, 20) on rollers (22), a vertical column (24), a housing (28) accommodating a gas-pressurized spring, a seat (14, 16) and a backrest (18) resting on a carrying element (26). A tilting mechanism (30) is integrated between the seat (14, 16) and the column (24) assembled of an upper housing moving in a lower housing and acting with its lower edges on a pressure plate with convex lower sections positioned opposite each other and facilitating a back and forth tilting. A sideward tilting can be performed by moving the convex upper sections along the lower edges of the upper housing.

Description

Die vorliegende Erfindung betrifft einen Stuhl, insbesondere einen Bürostuhl oder Schülerstuhl, mit einer Wippmechanik nach dem Oberbegriff des Anspruchs 1.The present invention relates to a chair, in particular an office chair or Student chair, with a tilt mechanism according to the preamble of claim 1.

Fig. 1 zeigt in schematischer Seitenansicht einen herkömmlichen Stuhl 10, bei dem auch die vorliegenden Erfindung anwendbar ist. Der Stuhl 10 besteht im Wesentlichen aus einem Fußgestell 12 und einem Sitz 14. Der Sitz 14 besteht üblicherweise aus einer Sitzfläche 16 und einer Rückenlehne 18, die entweder einteilig oder separat zueinander ausgebildet sein können. Das Fußgestell 12 weist in bekannter Weise ein Fußkreuz 20, das auf Fußrollen oder Standfüßen 22 bewegbar oder feststehend gelagert ist, und eine Stuhlsäule 24 mit integrierter Gasfeder auf.Fig. 1 shows a schematic side view of a conventional chair 10, in which Also, the present invention is applicable. The chair 10 basically consists from a pedestal 12 and a seat 14. The seat 14 is usually from a seat 16 and a backrest 18, either in one piece or can be formed separately from each other. The pedestal 12 has in known One foot 20, the on castors or feet 22 movable or fixed is stored, and a chair column 24 with integrated gas spring on.

Die Sitzfläche 16 des Sitzes 14 ist auf einem Sitzträger 26 getragen, der über eine Aufnahme 28 auf der Gasfeder der Stuhlsäule 24 höhenverstellbar und federnd abgestützt ist. Zwischen dem Sitzträger 26 und der Aufnahme 28 für die Gasfeder der Stuhlsäule 24 ist eine Wippmechanik 30 angeordnet, mittels welcher der Sitz 14 in der Vorne/Hinten-Richtung der Sitzfläche 16 geneigt werden kann.The seat surface 16 of the seat 14 is supported on a seat support 26, which has a Seat 28 on the gas spring of the chair column 24 height-adjustable and spring-supported is. Between the seat support 26 and the receptacle 28 for the gas spring of Chair column 24 is a rocking mechanism 30 is arranged, by means of which the seat 14 in the front / rear direction of the seat 16 can be inclined.

In Fig. 2 ist der Aufbau einer herkömmlichen Wippmechanik 30 für einen in Fig. 1 dargestellten Stuhl 10 näher gezeigt. Die Wippmechanik 30 weist insbesondere ein erstes Gehäuseteil 32, das mit dem Sitzträger 26 fest verbunden ist, und ein zweites Gehäuseteil 34, das mit der Aufnahme 28 für die Gasfeder der Stuhlsäule 24 fest verbunden ist, auf. Zwischen dem ersten und dem zweiten Gehäuseteil 32, 34 sind eine Druckplatte 36 und zwei Federblöcke 38 aus einem elastisch verformbaren Material angeordnet. Die Druckplatte 36 weist an ihrer Oberseite (oder wahlweise Unterseite) eine etwa halbkugelförmige Konizität in der Vorne/Hinten Richtung der Sitzfläche 16 um eine Schwenkachse 36a auf, und die Federblöcke 38 sind bezüglich der Druckplatte 36 ebenfalls in der Vorne/Hinten-Richtung der Sitzfläche 16 angeordnet. 2, the structure of a conventional tilt mechanism 30 for a in Fig. 1 shown chair 10 shown in more detail. The rocking mechanism 30 has in particular first housing part 32 which is fixedly connected to the seat support 26, and a second Housing part 34 fixed with the receptacle 28 for the gas spring of the chair column 24 is connected. Between the first and the second housing part 32, 34 are a pressure plate 36 and two spring blocks 38 of an elastically deformable Material arranged. The pressure plate 36 has on its upper side (or optionally Bottom) has an approximately hemispherical conicity in the front / rear direction of the Seat 16 about a pivot axis 36 a, and the spring blocks 38 are relative to the pressure plate 36 also in the front / rear direction of the seat 16th arranged.

Der Sitz 14 des Stuhls 10 kann mittels dieser herkömmlichen Wippmechanik 30 in der Vorne/Hinten-Richtung der Sitzfläche 16 geneigt werden, indem das erste Gehäuseteil 32, das über den Sitzträger 26 fest mit dem Sitz 14 verbunden ist, über die Konizität der Druckplatte 36 um die Schwenkachse 36a gekippt wird, wobei je nach Kipprichtung des Sitzes 14 der vordere oder der hintere Federblock 38 durch das erste Gehäuseteil 32 gegen das starr angeordnete zweite Gehäuseteil 34 zusammen gedrückt wird. Der Sitz 14 ist dabei durch die Federblöcke 38 aus dem elastisch verformbaren Material gefedert gelagert. Je nach Art und Verwendungszweck des Stuhls 10 können spezielle Materialien mit jeweils angepassten Kennlinien für die Federblöcke 38 verwendet werden.The seat 14 of the chair 10 can by means of this conventional rocking mechanism 30 in the front / rear direction of the seat 16 are inclined by the first Housing part 32 which is connected via the seat support 26 fixed to the seat 14 via the conicity of the pressure plate 36 is tilted about the pivot axis 36a, wherein each after tilting of the seat 14 of the front or the rear spring block 38 through the first housing part 32 against the rigidly arranged second housing part 34th pressed together. The seat 14 is characterized by the spring blocks 38 from the elastically deformable material spring mounted. Depending on the type and purpose of the chair 10 can be special materials, each with adapted characteristics be used for the spring blocks 38.

Ferner offenbart die DE-A-101 06 791 einen Stuhl, auf dem der Oberbegriff des Patentanspruchs 1 beruht. Dieser bekannte Stuhl besitzt eine Wippmechanik, die eine Neigung der Sitzfläche gegenüber der Horizontalen sowohl in der üblichen Vorne/Hinten-Richtung der Sitzfläche als auch zusätzlich in der Rechts/Links-Richtung der Sitzfläche ermöglicht. Die Wippmechanik besteht in diesem Fall aus einer dreieck-förmigen Anlenkung der Sitzfläche über Federelemente an einem Tragrahmen. Insgesamt ist so ein Abkippen der Sitzfläche in um etwa 45° von der Sitzrichtung abweichenden Richtungen möglich.Furthermore, DE-A-101 06 791 discloses a chair on which the preamble of Patent claim 1 is based. This known chair has a rocking mechanism, the a tilt of the seat relative to the horizontal both in the usual Front / rear direction of the seat as well as in addition in the right / left direction the seat allows. The rocking mechanism consists in this case a triangular-shaped articulation of the seat via spring elements on a Support frame. Overall, such a tilting of the seat in about 45 ° from the Seat direction deviating directions possible.

Ausgehend von dem vorbeschriebenen Stand der Technik liegt der vorliegenden Erfindung die Aufgabe zugrunde, einen Stuhl mit einer Wippmechanik bereitzustellen, der bei einem einfachen Aufbau verbesserte ergonomische Eigenschaften aufweist.Based on the above-described prior art is the present The invention has for its object to provide a chair with a rocking mechanism, the improved ergonomic features of a simple design having.

Diese Aufgabe wird gelöst durch einen Stuhl mit den Merkmalen des Anspruchs 1. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung sind Gegenstand der abhängigen Ansprüche.This object is achieved by a chair having the features of claim 1. Advantageous embodiments and further developments of the invention are the subject the dependent claims.

Der Stuhl weist ein Fußgestell, einen Sitz mit einer Sitzfläche und einer Rückenlehne, einen Sitzträger zum Tragen des Sitzes auf dem Fußgestell und eine Wippmechanik, die zwischen dem Sitzträger und dem Fußgestell angeordnet ist, auf. Die Wippmechanik ist derart angeordnet und ausgebildet, dass sie eine Neigung der Sitzfläche des Sitzes gegenüber der Horizontalen sowohl in einer Vorne/ Hinten-Richtung der Sitzfläche als auch in einer Rechts/Links-Richtung der Sitzfläche ermöglicht. Gemäß der Erfindung weist die Wippmechanik eine Druckplatte mit einer ersten Konizität in der Vorne/Hinten-Richtung der Sitzfläche, über welche der Sitz in der Vorne/Hinten-Richtung geneigt werden kann, und eine zweite Konizität in der Rechts/Links-Richtung der Sitzfläche, über welche der Sitz in der Rechts/Links-Richtung geneigt werden kann, auf. Die beiden Konizitäten der Druckplatte können dabei auf zueinander abgewandten Oberflächen der Druckplatte in der Oben/Unten-Richtung der Druckplatte vorgesehen sein. Unter ergonomischen Gesichtspunkten ist für Stühle neben einer möglichen Neigung der Sitzfläche in der Vorne/Hinten-Richtung auch eine mögliche Neigung der Sitzfläche in der Rechts/Links-Richtung wünschenswert, was erfindungsgemäß durch die besondere Wippmechanik in einfacher Weise ermöglicht ist. Der einfache Aufbau der erfindungsgemäßen Wippmechanik ist außerdem wartungsfreundlich und zeigt eine lange Lebensdauer.The chair has a base, a seat with a seat and a backrest, a seat support for supporting the seat on the pedestal and a rocking mechanism, which is arranged between the seat support and the pedestal on. The rocking mechanism is arranged and formed so that it has a tilt of the seat the seat relative to the horizontal in both a front / back direction of the Seat as well as in a right / left direction of the seat allows. According to According to the invention, the rocking mechanism has a pressure plate with a first conicity the front / rear direction of the seat over which the seat in the front / rear direction can be inclined, and a second taper in the right / left direction the seat over which the seat is inclined in the right / left direction can be on. The two conicities of the printing plate can on each other opposite surfaces of the printing plate in the up / down direction of the Be provided pressure plate. From an ergonomic point of view is for chairs besides a possible inclination of the seat in the front / rear direction also a possible inclination of the seat in the right / left direction desirable which allows the invention in a simple manner by the particular rocking mechanism is. The simple structure of the rocking mechanism according to the invention is also Easy to maintain and has a long service life.

Zur gefederten Lagerung der Wippmechanik ist die Druckplatte bevorzugt auf elastisch verformbaren ersten und zweiten Federblöcken gelagert, wobei wenigstens ein erster Federblock der Druckplatte in der Vorne/Hinten-Richtung der Sitzfläche zugeordnet ist und wenigstens ein zweiter Federblock der Druckplatte in der Rechts/Links-Richtung der Sitzfläche zugeordnet ist.For sprung mounting the rocking mechanism, the pressure plate is preferred stored elastically deformable first and second spring blocks, wherein at least a first spring block of the pressure plate in the front / rear direction of the seat is assigned and at least a second spring block of the pressure plate in the right / left direction the seat is assigned.

In weiterer Ausgestaltung der Erfindung ist die Druckplatte einerseits gegen den Sitzträger und andererseits gegen ein Aufnahmeteil für das Fußgestell bzw. für die Gasfeder in einer Stuhlsäule des Fußgestells abgestützt.In a further embodiment of the invention, the pressure plate on the one hand against the Seat support and on the other hand against a receiving part for the pedestal or for the Gas spring supported in a chair column of the pedestal.

In einer noch weiteren Ausgestaltung der Erfindung weist die Wippmechanik ein erstes Gehäuseteil und ein zweites Gehäuseteil auf, wobei das erste Gehäuseteil an dem Sitzträger des Sitzes befestigt ist und das zweite Gehäuseteil an dem ersten Gehäuseteil befestigt ist. Alternativ kann das erste Gehäuseteil auch in das zweite Gehäuseteil eingepasst und das zweite Gehäuseteil an dem Sitzträger des Sitzes befestigt sein.In a still further embodiment of the invention, the Wippmechanik a first housing part and a second housing part, wherein the first housing part to the seat support of the seat is attached and the second housing part on the first Housing part is attached. Alternatively, the first housing part in the second Housing part fitted and the second housing part on the seat support of the seat be attached.

Aus ergonomischen Gründen sollte die Wippmechanik eine Neigung der Sitzfläche des Sitzes gegenüber der Horizontalen in der Vorne/Hinten-Richtung der Sitzfläche um maximal etwa 7,5° bis etwa 8° und in der Rechts/Links-Richtung der Sitzfläche um maximal etwa 3,5° ermöglichen.For ergonomic reasons, the rocking mechanism should tilt the seat surface the seat relative to the horizontal in the front / rear direction of the seat by a maximum of about 7.5 ° to about 8 ° and in the right / left direction of the seat allow a maximum of about 3.5 °.

Die vorliegende Erfindung ist besonders vorteilhaft bei Drehstühlen, wie Bürostühlen und Schülerstühlen einsetzbar.The present invention is particularly advantageous in swivel chairs, such as office chairs and student chairs can be used.

Obige sowie weitere Merkmale und Vorteile der Erfindung werden aus der nachfolgenden Beschreibung bevorzugter, nicht-einschränkender Beispiele unter Bezugnahme auf die beiliegenden Zeichnungen besser verständlich. Darin zeigen:

Fig. 1
eine schematische Seitenansicht eines Stuhls mit einer Wippmechanik, bei dem die vorliegende Erfindung anwendbar ist;
Fig. 2
eine schematische Schnittansicht einer herkömmlichen Wippmechanik für einen in Fig. 1 dargestellten Stuhl;
Fig. 3
eine perspektivische Explosionsdarstellung der Komponenten einer Wippmechanik gemäß einem ersten Ausführungsbeispiel der vorliegenden Erfindung;
Fig. 4a
eine schematische Schnittdarstellung der Wippmechanik von Fig. 3 gemäß dem Schnitt A-A von Fig. 4c zur Erläuterung der Neigung in der Rechts/Links-Richtung der Sitzfläche;
Fig. 4b
eine schematische Schnittdarstellung der Wippmechanik von Fig. 3 gemäß dem Schnitt B-B von Fig. 4c zur Erläuterung der Neigung in der Vorne/Hinten-Richtung der Sitzfläche;
Fig. 4c
eine schematische Schnittdarstellung der Wippmechanik von Fig. 3 gemäß dem Schnitt C-C von Fig. 4a;
Fig. 5a
eine schematische Schnittdarstellung einer Wippmechanik gemäß einem zweiten Ausführungsbeispiel der Erfindung analog der Darstellung von Fig. 4a in geneigter Stellung;
Fig. 5b
eine schematische Schnittdarstellung einer Wippmechanik gemäß dem zweiten Ausführungsbeispiel der Erfindung analog der Darstellung von Fig. 4a in Ruhestellung;
Fig. 5c
eine schematische Schnittdarstellung einer Wippmechanik gemäß dem zweiten Ausführungsbeispiel der Erfindung analog der Darstellung von Fig. 4b in geneigter Stellung; und
Fig. 5d
eine schematische Schnittdarstellung einer Wippmechanik gemäß dem zweiten Ausführungsbeispiel der Erfindung analog der Darstellung von Fig. 4b in Ruhestellung.
The above and other features and advantages of the invention will become more apparent from the following description of preferred, non-limiting examples, with reference to the accompanying drawings. Show:
Fig. 1
a schematic side view of a chair with a rocking mechanism to which the present invention is applicable;
Fig. 2
a schematic sectional view of a conventional tilt mechanism for a chair shown in Figure 1;
Fig. 3
an exploded perspective view of the components of a rocking mechanism according to a first embodiment of the present invention;
Fig. 4a
a schematic sectional view of the tilt mechanism of Figure 3 along the section AA of Figure 4c for explaining the inclination in the right / left direction of the seat.
Fig. 4b
a schematic sectional view of the tilt mechanism of Figure 3 along the section BB of Figure 4c for explaining the inclination in the front / rear direction of the seat.
Fig. 4c
a schematic sectional view of the rocking mechanism of Figure 3 according to the section CC of Fig. 4a.
Fig. 5a
a schematic sectional view of a rocking mechanism according to a second embodiment of the invention analogous to the representation of Figure 4a in an inclined position.
Fig. 5b
a schematic sectional view of a rocking mechanism according to the second embodiment of the invention analogous to the representation of Figure 4a in the rest position.
Fig. 5c
a schematic sectional view of a rocking mechanism according to the second embodiment of the invention analogous to the representation of Figure 4b in an inclined position. and
Fig. 5d
a schematic sectional view of a rocking mechanism according to the second embodiment of the invention analogous to the representation of Fig. 4b in the rest position.

Die vorliegende Erfindung ist beispielsweise bei einem Drehstuhl 10 gemäß der oben beschriebenen Darstellung von Fig. 1 einsetzbar, ohne auf diese Anwendung beschränkt zu sein.The present invention is, for example, in a swivel chair 10 according to the above 1, without being restricted to this application to be.

Anhand der Fig. 3 und 4 wird zunächst ein erstes Ausführungsbeispiel einer Wippmechanik 30 näher beschrieben. Dabei sind der Einfachheit halber für gleiche oder entsprechende Komponenten die gleichen Bezugsziffern wie in den Fig. 1 und 2 verwendet worden.With reference to FIGS. 3 and 4, first, a first embodiment of a rocking mechanism 30 described in more detail. Here are the sake of simplicity for the same or corresponding components the same reference numerals as in Figs. 1 and 2 used.

Die Wippmechanik 30 weist ein erstes Gehäuseteil 32 und ein zweites Gehäuseteil 34 aus einem druckfesten Material, wie beispielsweise Metall auf, zwischen denen die übrigen Komponenten der Wippmechanik 30 aufgenommen sind. Im ersten Ausführungsbeispiel ist dabei das erste Gehäuseteil 32 in das zweite Gehäuseteil 34 eingepasst, und das zweite Gehäuseteil 34 ist zum Beispiel mittels Schraubverbindungen fest mit dem Sitzträger 26 des Sitzes 14 eines Stuhls 10 verbindbar. Zwischen den beiden Gehäuseteilen 32 und 34 der Wippmechanik 30 sind zwei erste Federblöcke 38 und zwei zweite Federblöcke 42, ein Aufnahmeteil 40 sowie eine Druckplatte 36 angeordnet.The rocking mechanism 30 has a first housing part 32 and a second housing part 34 of a pressure-resistant material, such as metal, between which the remaining components of the tilt mechanism 30 are received. In the first embodiment is the first housing part 32 in the second housing part 34th fitted, and the second housing part 34 is for example by means of screw firmly connected to the seat support 26 of the seat 14 of a chair 10. Between the two housing parts 32 and 34 of the Wippmechanik 30 are two first spring blocks 38 and two second spring blocks 42, a receiving part 40 and a pressure plate 36 is arranged.

Die ersten und die zweiten Federblöcke 38, 42 sind paarweise in der Vorne/Hinten-Richtung bzw. der Rechts/Links-Richtung der Sitzfläche 16 in entsprechenden Ausnehmungen 34a, 34b des zweiten Gehäuseteils 34 aufgenommen. Die ersten und die zweiten Federblöcke 38, 42 bestehen aus einem elastisch verformbaren Material, wie beispielsweise einem (zelligen) Polyurethan-Elastomer, und dienen der gefederten Lagerung der Wippmechanik 30. Polyurethan-Elastomer ist in verschiedenen Dichten und mit unterschiedlichen Federkennlinien, welche im Allgemeinen stark progressiv sind, erhältlich. Je nach Art und Verwendungszweck des Stuhls 10 sowie der gewünschten maximalen Neigung des Sitzes 14 können die Federblöcke 38, 42 daher optimal angepasst ausgewählt werden. Insbesondere können die ersten Federblöcke 38 auch mit anderen Eigenschaften als die zweiten Federblöcke 42 versehen sein. In diesem Fall können zur Vereinfachung des Zusammenbaus der Wippmechanik 30 die ersten und die zweiten Federblöcke 38, 42 unterschiedlich farbig gekennzeichnet sein. Die vorliegende Erfindung ist aber selbstverständlich nicht nur auf Federblöcke 38, 42 aus einem Polyurethan-Elastomer beschränkt.The first and second spring blocks 38, 42 are pairwise in the front / rear direction or the right / left direction of the seat 16 in corresponding Recesses 34a, 34b of the second housing part 34 received. The first and the second spring blocks 38, 42 are made of an elastically deformable Material, such as a (cellular) polyurethane elastomer, and serve the Sprung bearing of the tilt mechanism 30. Polyurethane elastomer is available in different Densities and with different spring characteristics, which in general are highly progressive, available. Depending on the type and intended use of the Chair 10 and the desired maximum inclination of the seat 14, the Spring blocks 38, 42 are therefore selected optimally adapted. Especially For example, the first spring blocks 38 may have other properties than the second ones Be provided spring blocks 42. In this case, to simplify the Assembly of the rocking mechanism 30, the first and the second spring blocks 38, 42 be marked differently colored. However, the present invention is of course, not only on spring blocks 38, 42 made of a polyurethane elastomer limited.

Auf die Federblöcke 38, 42 ist das Aufnahmeteil 40 aus einem druckfesten Material, wie beispielsweise Metall oder Kunststoff mit eingelagerten Metallkomponenten, gesetzt, welches einen Plattenabschnitt 40a und einen mittigen Rohrabschnitt 40b aufweist, die bevorzugt integral ausgebildet sind. Mit dem umlaufenden Plattenabschnitt 40a stützt sich das Aufnahmeteil 40 auf den Federblöcken 38, 42 ab, während der Rohrabschnitt 40b der Aufnahme der durch eine entsprechende Öffnung 34c (in Figur 3 nicht dargestellt) im Boden des zweiten Gehäuseteils 34 ragenden Stuhlsäule 24 bzw. der Gasfeder in der Stuhlsäule 24 dient.On the spring blocks 38, 42, the receiving part 40 of a pressure-resistant material, such as metal or plastic with embedded metal components, set, which has a plate portion 40a and a central tube portion 40b has, which are preferably integrally formed. With the revolving plate section 40a, the receiving part 40 is supported on the spring blocks 38, 42, while the pipe section 40b of the recording by a corresponding Opening 34c (not shown in Figure 3) in the bottom of the second housing part 34th protruding chair column 24 and the gas spring in the chair column 24 is used.

Auf das Aufnahmeteil 40 ist die Druckplatte 36 aus einem druckfesten Material, wie beispielsweise Metall oder Kunststoff mit eingelagerten Metallkomponenten, gesetzt. Die Druckplatte 36 besitzt mittig eine Ausnehmung 36d, durch welche der obere Teil des Rohrabschnitts 40b des Aufnahmeteils 40 geführt ist. Die Druckplatte 36 stützt sich auf dem Plattenabschnitt 40a des Aufnahmeteils 40 ab.On the receiving part 40, the pressure plate 36 made of a pressure-resistant material, such as For example, metal or plastic with embedded metal components, set. The pressure plate 36 has centrally a recess 36d, through which the upper part the tube section 40b of the receiving part 40 is guided. The pressure plate 36 supports on the plate portion 40a of the receiving part 40 from.

Wie in Fig. 3 angedeutet und besser in Fig. 4 erkennbar, weist die Druckplatte 36 eine erste Konizität 36b und eine zweite Konizität 36c auf. Die erste Konizität 36b ist auf der Unterseite der Druckplatte 36 vorgesehen und verläuft in der Vorne/Hinten-Richtung der Sitzfläche 16, während zweite Konizität 36c auf der Oberseite der Druckplatte 36 vorgesehen ist und in der Rechts/Links-Richtung der Sitzfläche 16, d.h. um 90° gegenüber der ersten Konizität 36b gedreht verläuft. Wie später anhand von Figur 4 näher erläutert, dient die erste Konizität 36b einer möglichen Neigung des Sitzes 14 in der Vorne/Hinten-Richtung der Sitzfläche 16, und die zweite Konizität 36c dient einer möglichen Neigung des Sitzes 14 in der Rechts/Links-Richtung der Sitzfläche 16.As indicated in FIG. 3 and better seen in FIG. 4, the pressure plate 36 a first taper 36b and a second taper 36c. The first taper 36b is provided on the underside of the pressure plate 36 and extends in the front / rear direction the seat 16, while second taper 36c on the top the pressure plate 36 is provided and in the right / left direction of the seat 16, i. rotated by 90 ° with respect to the first taper 36b. How later explained in more detail with reference to Figure 4, the first taper 36b serves a possible Inclination of the seat 14 in the front / rear direction of the seat surface 16, and the second taper 36c serves for a possible inclination of the seat 14 in the right / left direction the seat 16.

Auf die Druckplatte 36 ist das erste Gehäuseteil 32 gesetzt, wobei das erste Gehäuseteil 32 wie die übrigen Komponenten der Wippmechanik 30 in das zweite Gehäuseteil 34 eingepasst ist. Wenn die Wippmechanik 30 zusammen gebaut und an dem Sitzträger 26 des Sitzes 14 befestigt ist, sind die ersten und die zweiten Federblöcke 38, 42 entsprechend vorgespannt.On the pressure plate 36, the first housing part 32 is set, wherein the first Housing part 32 as the other components of the rocking mechanism 30 in the second Housing part 34 is fitted. When the rocking mechanism 30 is assembled and is attached to the seat support 26 of the seat 14, the first and the second Spring blocks 38, 42 biased accordingly.

Wie in Fig. 3 dargestellt, weisen das erste und das zweite Gehäuseteil 32 und 34 außerdem jeweils eine Aussparung 43 bzw. 44 für einen Gasfederhebel 46 auf, mit welchem in bekannter Weise die Gasfeder in der Stuhlsäule 26 betätigt und die Höhe des Sitzes 14 über dem Fußgestell 12 eingestellt werden kann.As shown in FIG. 3, the first and second housing parts 32 and 34 In addition, in each case a recess 43 or 44 for a gas spring lever 46, with which operates in a known manner, the gas spring in the chair column 26 and the Height of the seat 14 above the pedestal 12 can be adjusted.

In Fig. 4a, 4b und 4c sind verschiedene Schnittdarstellungen der zusammen gebauten Wippmechanik 30 von Fig. 3 dargestellt, um die Funktionsweise der erfindungsgemäßen Wippmechanik 30 näher zu veranschaulichen.In Fig. 4a, 4b and 4c are different sectional views of the together built rocking mechanism 30 of FIG. 3 to the operation of the to illustrate in more detail rocking mechanism 30 according to the invention.

In der Darstellung von Fig. 4a ist zu erkennen, wie der Sitz 14 in der Rechts/Links-Richtung der Sitzfläche 16 gegenüber der Horizontalen geneigt werden kann. In Fig. 4a ist der Sitz 14 um etwa 3,5° nach links geneigt, wodurch das erste Gehäuseteil 32 und das mit diesem verbundene zweite Gehäuseteil 34 ebenfalls gekippt werden. Das Aufnahmeteil 40 ist fest mit der Stuhlsäule 24 verbunden und bleibt damit vertikal ausgerichtet. Die Neigung des Sitzes 14 in der Rechts/Links-Richtung der Sitzfläche 16 ist durch den Anschlag der Oberseite der zweiten Konizität 36c der Druckplatte 36 gegen die Unterseite des ersten Gehäuseteils 32 beschränkt, wobei hierbei der dem gegenseitigen Anschlag abgewandete zweite Federblock 42 gegen seine inhärente Federkraft zusammen gedrückt wird. In the illustration of Fig. 4a can be seen how the seat 14 in the right / left direction the seat 16 can be inclined relative to the horizontal. In Fig. 4a, the seat 14 is inclined by about 3.5 ° to the left, whereby the first housing part 32 and connected to this second housing part 34 are also tilted. The receiving part 40 is firmly connected to the chair column 24 and stays with it vertically aligned. The inclination of the seat 14 in the right / left direction of Seat 16 is by abutment of the top of the second taper 36 c of Pressure plate 36 is limited to the underside of the first housing part 32, wherein in this case, the second spring block 42 facing away from the mutual stop its inherent spring force is compressed.

In analoger Weise kann der Sitz 14 um bis zu etwa 7,5° bis 8° nach vorne oder hinten geneigt werden, wie in Fig. 4b veranschaulicht, wodurch das erste Gehäuseteil 32 und das mit diesem verbundene zweite Gehäuseteil 34 ebenfalls gekippt werden. Das Aufnahmeteil 40 bleibt wieder fest vertikal ausgerichtet. Die Neigung des Sitzes 14 in der Vorne/Hinten-Richtung der Sitzfläche 16 ist durch den Anschlag der Unterseite der ersten Konizität 36b der Druckplatte 36 gegen die Oberseite des Plattenabschnitts 40a des Aufnahmeteils 40 und den Anschlag der Oberseite der nicht-konischen Druckplatte 36 gegen die Unterseite des ersten Gehäuseteils 32 beschränkt, wobei hierbei der den gegenseitigen Anschlägen abgewandete erste Federblock 38 gegen seine inhärente Federkraft zusammen gedrückt wird.In a similar manner, the seat 14 can be extended forwards or backwards by up to about 7.5 ° to 8 ° tilted back, as illustrated in Fig. 4b, whereby the first housing part 32 and connected to this second housing part 34 also tilted become. The receiving part 40 remains fixed vertically again. The inclination the seat 14 in the front / rear direction of the seat surface 16 is through the stopper the underside of the first taper 36b of the pressure plate 36 against the top of the Plate portion 40 a of the receiving part 40 and the stop of the top of the non-conical pressure plate 36 against the underside of the first housing part 32nd limited, in which case the opposite of the mutual attacks first Spring block 38 is pressed together against its inherent spring force.

Die Reibung zwischen den Federblöcken 38, 42, dem Aufnahmeteil 40 und den Gehäuseteilen 32, 34 ist groß genug, damit das Aufnahmeteil 40 sicher und dauerhaft in seiner Lage fixiert bleiben kann, sodass die einzelnen Komponenten nicht gegenseitig verschoben werden und dadurch Geräusche hervorrufen und/oder Verschleiß zeigen.The friction between the spring blocks 38, 42, the receiving part 40 and the Housing parts 32, 34 is large enough so that the receiving part 40 safely and permanently can remain fixed in its position so that the individual components are not be mutually displaced and thereby cause noise and / or Show wear.

Anhand von Fig. 5a bis 5d wird nachfolgend ein zweites Ausführungsbeispiel einer Wippmechanik gemäß der vorliegenden Erfindung erläutert. Hierbei sind gleiche bzw. ähnliche Komponenten mit den gleichen Bezugsziffern wie in den Fig. 1 bis 4 versehen, und auf eine wiederholte Beschreibung deren Aufbaus und Funktionsweise wird weitgehend verzichtet.A second exemplary embodiment of the invention will be described below with reference to FIGS. 5a to 5d Wippmechanik explained according to the present invention. Here are the same or similar components with the same reference numerals as in Figs. 1 to 4, and a repeated description of their structure and operation is largely dispensed with.

Die Wippmechanik 30 des zweiten Ausführungsbeispiels von Fig. 5 unterscheidet sich von der Wippmechanik des ersten Ausführungsbeispiels insbesondere in den zwei Gehäuseteilen 32 und 34. Während im oben beschriebenen ersten Ausführungsbeispiel das erste Gehäuseteil 32 in das zweite Gehäuseteil 34 eingepasst ist, und das zweite Gehäuseteil 34 ist zum Beispiel mittels Schraubverbindungen fest mit dem Sitzträger 26 des Sitzes 14 eines Stuhls 10 verbunden wird, wird in dem Ausführungsbeispiel von Fig. 5 das erste Gehäuseteil 32 zum Beispiel mittels Schraubverbindungen fest mit dem Sitzträger 26 des Sitzes 14 verbunden und das zweite Gehäuseteil 34 wird zum Beispiel mittels Schraubverbindungen fest mit dem ersten Gehäuseteil 32 verbunden. The rocking mechanism 30 of the second embodiment of FIG. 5 differs itself from the Wippmechanik of the first embodiment in particular in the two housing parts 32 and 34. While in the first embodiment described above the first housing part 32 fitted in the second housing part 34 is, and the second housing part 34 is, for example by means of screw is firmly connected to the seat support 26 of the seat 14 of a chair 10 is in the embodiment of FIG. 5, the first housing part 32 for example by means Screwed firmly connected to the seat support 26 of the seat 14 and the second housing part 34 is fixed, for example by means of screw with the first housing part 32 connected.

Dieser Aufbau des ersten und des zweiten Gehäuseteils 32, 34 hat den Vorteil, dass das erste Gehäuseteil 32 sozusagen als Adapter zur Anpassung an das Lochbild des jeweiligen Sitzträgers 26 verwendet werden kann.This construction of the first and the second housing part 32, 34 has the advantage that the first housing part 32, so to speak as an adapter for adaptation to the hole pattern of respective seat support 26 can be used.

Die übrigen Komponenten (Federblöcke 38 und 42, Aufnahmeteil 40 und Druckplatte 36) entsprechen jenen des obigen Ausführungsbeispiels, und mit der Wippmechanik 30 gemäß Fig. 5 können die gleichen Funktionsweisen und Vorteile wie mit der oben beschriebenen Wippmechanik erzielt werden.The remaining components (spring blocks 38 and 42, receiving part 40 and pressure plate 36) correspond to those of the above embodiment, and with the Wippmechanik 30 of FIG. 5 may have the same functions and advantages as can be achieved with the rocking mechanism described above.

Die Wippmechanik 30 der Erfindung ermöglicht neben der bekannten Neigung eines Sitzes 14 in der Vorne/Hinten-Richtung der Sitzfläche zudem eine aus ergonomischen Gründen vorteilhafte Neigung des Sitzes 14 in der Rechts/Links-Richtung der Sitzfläche 16. Durch die erfindungsgemäße Integration der beiden Neigungsmöglichkeiten in die Vorne/Hinten-Richtung der Sitzfläche 16 und in die Rechts/Links-Richtung der Sitzfläche 16 in eine gemeinsame Wippmechanik 30 wird außerdem eine unerwünschte Erhöhung des Sitzes 14 effektiv vermieden.The rocking mechanism 30 of the invention allows in addition to the known inclination of a Seat 14 in the front / rear direction of the seat also one of ergonomic Favorable inclination of the seat 14 in the right / left direction of the Seat 16. Due to the integration of the two inclination possibilities according to the invention in the front / rear direction of the seat 16 and in the right / left direction the seat 16 in a common rocking mechanism 30 is also an undesirable increase in the seat 14 effectively avoided.

Die im Rahmen dieser Beschreibung angegebenen maximalen Neigungen von etwa 3,5° für die Rechts/Links-Richtung der Sitzfläche 16 bzw. von etwa 7,5° bis 8° für die Vorne/Hinten-Richtung der Sitzfläche 16 haben sich unter ergonomischen Gesichtspunkten als besonders günstig erwiesen. Die vorliegende Erfindung ist aber selbstverständlich nicht auf diese Maximalwerte beschränkt, vielmehr können auch kleinere oder größere Maximaineigungen gewählt werden, falls erwünscht. The maximum inclinations of approx 3.5 ° for the right / left direction of the seat 16 and from about 7.5 ° to 8 ° for the front / back direction of the seat 16 have become ergonomic Considered to be particularly favorable. However, the present invention is Of course, not limited to these maximum values, but also can smaller or larger maximum slopes can be selected, if desired.

BEZUGSZEICHENLISTELIST OF REFERENCE NUMBERS

1010
Stuhlchair
1212
Fußgestellpedestal
1414
SitzSeat
1616
Sitzflächeseat
1818
Rückenlehnebackrest
2020
Fußkreuzfootbase
2222
Fußrollencasters
2424
Stuhlsäule mit GasfederChair column with gas spring
2626
Sitzträgerseat support
2828
Aufnahme für GasfederRecording for gas spring
3030
Wippmechaniktilt mechanism
3232
erstes Gehäuseteilfirst housing part
3434
zweites Gehäuseteilsecond housing part
34a34a
Ausnehmungen für 38Recesses for 38
34b34b
Ausnehmungen für 42Recesses for 42
3636
Druckplatteprinting plate
36a36a
Schwenkachse von 36Pivot axis of 36
36b36b
erste Konizitätfirst conicity
36c36c
zweite Konizitätsecond conicity
3838
erste Federblöckefirst spring blocks
4040
Aufnahmeteilreceiving part
40a40a
Plattenabschnittplate section
40b40b
Rohrabschnittpipe section
4242
zweite Federblöckesecond spring blocks
4343
Aussparung für GasfederhebelRecess for gas spring lever
4444
Aussparung für GasfederhebelRecess for gas spring lever
4646
GasfederhebelGas spring lever

Claims (9)

Stuhl (10), mit
einem Fußgestell (12);
einem Sitz (14) mit einer Sitzfläche (16) und einer Rückenlehne (18);
einem Sitzträger (26) zum Tragen des Sitzes auf dem Fußgestell; und
einer zwischen dem Sitzträger und dem Fußgestell vorgesehenen Wippmechanik (30), die derart angeordnet und ausgebildet ist, dass sie eine Neigung der Sitzfläche (16) des Sitzes (14) gegenüber der Horizontalen sowohl in einer Vorne/Hinten-Richtung der Sitzfläche als auch einer Rechts/Links-Richtung der Sitzfläche ermöglicht,
dadurch gekennzeichnet, dass die Wippmechanik (30) eine Druckplatte (36) mit einer ersten Konizität (36b) in der Vorne/Hinten-Richtung der Sitzfläche (16), über welche der Sitz (14) in der Vorne/Hinten-Richtung geneigt werden kann, und eine zweite Konizität (36c) in der Rechts/Links-Richtung der Sitzfläche (16), über welche der Sitz (14) in der Rechts/Links-Richtung geneigt werden kann, aufweist.Chair (10), with
a pedestal (12);
a seat (14) having a seat surface (16) and a backrest (18);
a seat support (26) for supporting the seat on the pedestal; and
a rocking mechanism (30) provided between the seat support and the pedestal, which is arranged and adapted to incline the seat surface (16) of the seat (14) with respect to the horizontal in both a front-rear direction of the seat surface and a seat Right / left direction of the seat allows,
characterized in that the rocking mechanism (30) includes a pressure plate (36) having a first taper (36b) in the front-rear direction of the seat surface (16) over which the seat (14) is inclined in the front-rear direction and a second taper (36c) in the right / left direction of the seat surface (16) over which the seat (14) can be inclined in the right / left direction. Stuhl nach Anspruch 1,
dadurch gekennzeichnet, dass die erste und die zweite Konizität (36b, 36c) der Druckplatte (36) auf zueinander abgewandten Oberflächen der Druckplatte in der Oben/Unten-Richtung der Druckplatte vorgesehen sind.Chair according to claim 1,
characterized in that the first and second conicity (36b, 36c) of the pressure plate (36) are provided on opposite surfaces of the pressure plate in the up / down direction of the pressure plate. Stuhl nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass die Druckplatte (36) auf elastisch verformbaren ersten und zweiten Federblöcken (38, 42) gelagert ist, wobei wenigstens ein erster Federblock (38) der Druckplatte (36) in der Vorne/Hinten-Richtung der Sitzfläche (16) zugeordnet ist und wenigstens ein zweiter Federblock (42) der Druckplatte (36) in der Rechts/Links-Richtung der Sitzfläche (16) zugeordnet ist. Chair according to claim 1 or 2,
characterized in that the pressure plate (36) is mounted on elastically deformable first and second spring blocks (38, 42), wherein at least one first spring block (38) associated with the pressure plate (36) in the front / rear direction of the seat surface (16) and at least one second spring block (42) is associated with the pressure plate (36) in the right / left direction of the seat surface (16). Stuhl nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, dass die Druckplatte (36) einerseits gegen den Sitzträger (26) und andererseits gegen ein Aufnahmeteil (40) für das Fußgestell (12) abgestützt ist.Chair according to one of the preceding claims,
characterized in that the pressure plate (36) on the one hand against the seat support (26) and on the other hand against a receiving part (40) for the pedestal (12) is supported. Stuhl nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass die Wippmechanik (30) ein erstes Gehäuseteil (32) und ein zweites Gehäuseteil (34) aufweist, wobei das erste Gehäuseteil (32) an dem Sitzträger (26) des Sitzes (14) befestigt ist und das zweite Gehäuseteil (34) an dem ersten Gehäuseteil (32) befestigt ist.Chair according to one of claims 1 to 4,
characterized in that the rocking mechanism (30) comprises a first housing part (32) and a second housing part (34), wherein the first housing part (32) on the seat support (26) of the seat (14) is fixed and the second housing part (34 ) is attached to the first housing part (32). Stuhl nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass die Wippmechanik (30) ein erstes Gehäuseteil (32) und ein zweites Gehäuseteil (34) aufweist, wobei das erste Gehäuseteil (32) in das zweite Gehäuseteil (34) eingepasst ist und das zweite Gehäuseteil (34) an dem Sitzträger (26) des Sitzes (14) befestigt ist.Chair according to one of claims 1 to 4,
characterized in that the Wippmechanik (30) has a first housing part (32) and a second housing part (34), wherein the first housing part (32) in the second housing part (34) is fitted and the second housing part (34) on the seat support (26) of the seat (14) is attached. Stuhl nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, dass die Wippmechanik (30) eine Neigung der Sitzfläche (16) des Sitzes (14) gegenüber der Horizontalen in der Vorne/Hinten-Richtung der Sitzfläche um maximal etwa 8° ermöglicht.Chair according to one of the preceding claims,
characterized in that the Wippmechanik (30) allows an inclination of the seat surface (16) of the seat (14) relative to the horizontal in the front / rear direction of the seat by a maximum of about 8 °. Stuhl nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, dass die Wippmechanik (30) eine Neigung der Sitzfläche (16) des Sitzes (14) gegenüber der Horizontalen in der Rechts/Links-Richtung der Sitzfläche um maximal etwa 3,5° ermöglicht.Chair according to one of the preceding claims,
characterized in that the Wippmechanik (30) allows an inclination of the seat surface (16) of the seat (14) relative to the horizontal in the right / left direction of the seat by a maximum of about 3.5 °. Stuhl nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, dass der Stuhl (10) ein Drehstuhl ist.Chair according to one of the preceding claims,
characterized in that the chair (10) is a swivel chair.
EP05001107A 2004-04-05 2005-01-20 Chair with rocking mechanism Not-in-force EP1584266B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004005366U DE202004005366U1 (en) 2004-04-05 2004-04-05 Chair with rocker mechanism
DE202004005366U 2004-04-05

Publications (2)

Publication Number Publication Date
EP1584266A1 true EP1584266A1 (en) 2005-10-12
EP1584266B1 EP1584266B1 (en) 2010-10-13

Family

ID=32603475

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05001107A Not-in-force EP1584266B1 (en) 2004-04-05 2005-01-20 Chair with rocking mechanism

Country Status (5)

Country Link
US (1) US7396080B2 (en)
EP (1) EP1584266B1 (en)
AT (1) ATE484218T1 (en)
DE (2) DE202004005366U1 (en)
DK (1) DK1584266T3 (en)

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Also Published As

Publication number Publication date
DE502005010366D1 (en) 2010-11-25
US20050218707A1 (en) 2005-10-06
EP1584266B1 (en) 2010-10-13
US7396080B2 (en) 2008-07-08
ATE484218T1 (en) 2010-10-15
DK1584266T3 (en) 2011-02-07
DE202004005366U1 (en) 2004-06-24

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