EP3157388A1 - Rotatable piece of seating furniture - Google Patents

Rotatable piece of seating furniture

Info

Publication number
EP3157388A1
EP3157388A1 EP15729417.4A EP15729417A EP3157388A1 EP 3157388 A1 EP3157388 A1 EP 3157388A1 EP 15729417 A EP15729417 A EP 15729417A EP 3157388 A1 EP3157388 A1 EP 3157388A1
Authority
EP
European Patent Office
Prior art keywords
base
seat
bearing
seating
profile
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
EP15729417.4A
Other languages
German (de)
French (fr)
Other versions
EP3157388B1 (en
Inventor
Andreas Hortig
Boris Besler
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.)
Kintec Solution GmbH
Original Assignee
Kintec Solution GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kintec Solution GmbH filed Critical Kintec Solution GmbH
Priority to PL15729417T priority Critical patent/PL3157388T3/en
Publication of EP3157388A1 publication Critical patent/EP3157388A1/en
Application granted granted Critical
Publication of EP3157388B1 publication Critical patent/EP3157388B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A47C3/18—Chairs or stools with rotatable seat
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/14—Standing-up or sitting-down aids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1005—Wheelchairs having brakes
    • A61G5/101—Wheelchairs having brakes of the parking brake type, e.g. holding the wheelchair

Definitions

  • the invention relates to a seat piece of furniture with a base and a seat unit, wherein between the base and the seat unit a rotary bearing comprising a base-side bearing means and a seating unit side bearing means is provided by means of which the seat unit is rotatable about a vertical axis relative to the base.
  • the rotary bearing on a switchable blocking device, by means of which the rotational mobility of the storage facilities is mutually blocked.
  • the invention also relates to a fitting for such a piece of seating furniture.
  • Generic seating furniture pieces are known from the prior art. These are seat furniture pieces whose seat unit is basically rotatable relative to a base, wherein the base can be both a foot provided for stationary installation and a base portion provided with rollers. The latter is well known in particular office seating furniture.
  • the rotational mobility of the seat unit allows the seated person to rotate the seat unit without twisting the base, thus assuming a seated position with a changed orientation.
  • the pivot bearing which is provided for this purpose between the base and the seat unit, is provided in the case of generic seating furniture pieces with a blocking device that the base and the seat unit in a given relative rotational position coupled to each other so that a rotational movement is no longer possible or strong is difficult.
  • the aforementioned blockability is particularly useful if it is a piece of seating furniture with a stand-up.
  • a stand-up aid makes it possible to raise the seat unit in particular by an electric motor, so that getting up from the piece of seating furniture is facilitated.
  • the blocking prevents when rising, that it comes to falls due to the rotational movement of the seat unit.
  • the object of the invention is therefore to develop a generic piece of seating furniture or a fitting for such a piece of seating furniture to the effect that the switchable blocking device is inexpensive and reliable and ensures easy assembly.
  • the blocking device is designed for the positive coupling of the storage facilities. It has two profiles for this purpose, which are interspersed in each case for positive coupling with each other, so that one of the profiles forms an inner profile, which is surrounded in this inserted relative position of the outer profile.
  • the inner profile and the outer profile are each rotatably connected to one of the two storage facilities, so that they are rotatably coupled in a state in which they are non-rotatably coupled to each other, the two storage facilities and thus also the base and the seat unit.
  • the outer profile and the inner profile are mutually displaceable in the direction of the vertical axis, so that they are thereby axially movable between a form-locking rotationally engaged engagement relative position and a release relative position.
  • a seating piece of furniture according to the invention is thus provided that the axial relative movement of an inner inner profile and an outer outer profile allows the change between a rotationally coupled and a released position.
  • the profiles have in each case with respect to their extent in the vertical direction over a constant and deviating from the circular cross-section, wherein the inner cross section of the outer profile and the outer cross section of the inner profile are adapted to each other such that they are in engagement prevent a rotational movement.
  • the design with profiles is also advantageous because this allows an un screwsvolles coupling. Unlike, for example, in a Hirth toothing, the rotary coupling is not only achieved in a defined axial end position, but is always given when the profiles are in engagement with each other.
  • the coordinated concrete outer contour of the inner profile and inner contour of the outer profile can be realized in many ways. Preferably, they are matched to one another such that the rotationally coupled engagement relative position is possible not only in a certain or a few rotational positions of the seat unit to the base, but in a variety of relative positions, preferably in at least 30 different relative positions. Such a multiplicity of possible engagement relative positions can be realized particularly advantageously by a spur toothing. Therefore, in a preferred embodiment, the outer profile is formed as an inner toothed outer profile and / or the inner profile as an externally toothed inner profile.
  • a switch carrier is provided on which the inner profile or the outer profile is attached.
  • This switch carrier is permanently rotatably provided on the seat unit or the base, but in particular with respect to the seat unit, but displaceable in the vertical direction relative to the seat unit or the base, in particular by means of a sliding guide acting in the vertical direction.
  • the switching operation between the engaging relative position and the release relative position can be carried out by the switch carrier relative to the component to which it is associated, in particular with respect to the seat unit, guided vertically and thereby engaged or disengaged from the other Profile arrives.
  • a spring device is preferably provided, by means of which the switch carrier is permanently subjected to a force in the direction of a first end position.
  • a force introduction surface on the switch carrier or on the associated part is provided, by means of which the switch carrier can be subjected to a force against the force of the spring device in the direction of an opposite second end position.
  • one of the end positions preferably the first end position of the shift carrier, which may be formed by a stop or the like, preferably provided such that in this end position, the outer profile and the inner profile are arranged in the rotationally coupled engagement relative position.
  • the spring device thus causes in such an embodiment that the elimination of an introduction of force to the force introduction surface produces the rotationally coupled state of the profiles, while for releasing the profiles and to achieve the release relative position, a force on the force application surface is required.
  • the piece of seating furniture has a stand-up assistance function by means of which a seating surface on the seat unit can be raised.
  • the blocking device is preferably operatively coupled with this stand-up so that it occupies its blocked state upon actuation of the stand-up aid function, so get the profiles in the rotationally coupled engagement relative position. This can be achieved in particular by activating the stand-up aid function, which causes or eliminates the application of force to the force introduction surface. It is particularly advantageous if an actuating portion on the seat unit is spaced by activating the Aufstehzz function of the force introduction surface on the switch carrier and therefore this allows the displacement due to the application of force by the spring means in the direction of the first end position.
  • the piece of seating furniture has an operating lever for manual actuation, by means of which the blocking device can be switched, in particular by an axial displacement of the switching carrier.
  • the blocking device can be switched, in particular by an axial displacement of the switching carrier.
  • FIG. 1 a and 1 b show an inventive piece of seating furniture in a perspective view and side view in a use state
  • the seat furniture piece of Fig. 1 a and 1 b in a perspective view and side view in a raised state to facilitate getting up,
  • Fig. 1 a shows a seating piece of furniture according to the invention, wherein in connection with the present invention, subordinate components are indicated only by dashed lines.
  • the seating furniture has a base 20 for the purpose of setting up the seating furniture. It also has a seating unit 10 which is disposed above the base 20 and provides a seating surface 12.
  • the seat unit 10 is rotatable relative to the base about a rotation axis 2.
  • it has a rotary bearing 30 with a seat-side bearing means 32 and a base-side bearing means 34.
  • the pivot bearing 30 is associated with a blocking device 40, through which the rotation of the seat unit 10 relative to the base 20 can be prevented, as explained below.
  • the peculiarity of the embodiment lies in particular in the fact that the piece of seating furniture has a stand-up assistance function. This is explained with reference to FIG. 2a.
  • two tabs 22a, 22b are provided which connect the segment 20a with a segment 24 on which the seat surface 12 is provided.
  • an electric motor By means of an electric motor, it is possible to bring about an introduction of force into these lugs 22a, 22b, whereby they are subjected to force in such a way that the segment 24 together with the seating surface 12 is lifted. A person sitting on the seat piece of furniture is thereby facilitated getting up.
  • the presence of the blocking device 40 is expedient, since during standing up, so in the state of Fig. 2a and 2b, a rotational mobility of the seat unit 10 relative to the base 20 about the axis 2 is not desired.
  • FIGS. 3 a, 3 b, 4 a and 4 b show how blocking device 40 is designed and is operatively coupled to the stand-up aid illustrated in FIGS. 2 a and 2 b.
  • Fig. 3a shows the pivot bearing 30 and the blocking device 40 in a front view.
  • Fig. 3b shows the components in a perspective obliquely from below.
  • the designated fitting segment 20 a On the side of the seat unit 12 is the designated fitting segment 20 a, which has a cross member connecting two lateral cheeks, which at the same time forms the seat unit side storage device 32.
  • the base 20 On the side of the base 20 corresponding to the base-side support means 34 of the pivot bearing 30 is provided.
  • an externally toothed profile section 50b is provided on the side of the base 20, which is rotatably connected to the base 20 and is thus not rotatable relative to this.
  • the columnar portion of the base 20, on which this tooth profile 50b is provided, is surrounded by a switch carrier 42.
  • This switch carrier 42 is guided by means of two sliding segments 48 relative to the cross member of the seat member side fitting segment 20a. At the opposite ends of the sliding segments mushroom-like widening are provided, the upper sides of the force introduction surfaces 46 represent. These are subjected to force from below by means of two spring means 44 in the manner of coil springs. These spring devices 44 are supported with their downwardly facing end on the cross member of the fitting segment 22a.
  • the switch carrier 42 is pressed permanently upwards.
  • the springs 44 are thus held in the state of FIGS. 3a and 3b in the compressed state.
  • the switch carrier 42 is characterized in a lower end position and an internally toothed outer profile 50a on the switch carrier 42 is consequently out of engagement with the externally toothed inner profile 50b. In the state of FIGS. 3a and 3b, the blocking device 40 is therefore not active.
  • the seat unit 10 can be rotated relative to the base 20.
  • the state of FIGS. 4a and 4b is established.
  • the force introduction surfaces 46 are pressed by the spring means 44 upwards and thus also pull the switch carrier 42 upwards.
  • Its internal toothed profile 50a thereby comes into engagement with the base-side profile 50b, which is not moved along in the vertical direction. Due to the large number of teeth of about 60 teeth, this engagement position can be achieved with minimal change in the relative rotational position of the seat unit 10 relative to the base 20 at most.
  • the teeth may be provided in each case or one of the teeth with teeth, which have bevels.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Chairs Characterized By Structure (AREA)

Abstract

The invention relates to a piece of seating furniture and and to a fitting therefor. A piece of furniture, comprising a base (20) and a seat unit (10), is known, wherein a rotary bearing (30) comprising a base-side bearing device (34) and a seat-unit-side bearing device (32) is provided between the base and the seat unit. By means of the bearing devices, the seat unit (10) can be rotated about a vertical axis (2) in relation to the base (20). The rotary bearing has a switchable blocking unit (40), by means of which the ability of the bearing devices (32, 34) to rotate in relation to each other can be blocked. For this purpose, according to the invention, a blocking device (40) is used which is designed to couple the bearing devices in a positive-locking manner and which has two profiles (50a, 50b) for this purpose, comprising an inner profile (50b), which is attached to one of the two bearing devices (32, 34) in a rotationally fixed manner, and an outer profile (50a), which is attached to the other of the two bearing devices (32, 34) in a rotationally fixed manner. The outer profile (50a) and the inner profile (50b) are movable in relation to each other in the direction of the vertical axis such that the outer profile and the inner profile can be axially moved between an engagement relative position, in which the outer profile and the inner profile are rotationally coupled in a positive-locking manner, and a release relative position.

Description

Drehbares Sitzmöbelstück  Swivel seating furniture
ANWENDUNGSGEBIET UND STAND DER TECHNIK AREA OF APPLICATION AND PRIOR ART
Die Erfindung betrifft ein Sitzmöbelstück mit einer Basis und einer Sitzeinheit, wobei zwischen der Basis und der Sitzeinheit eine Drehlagerung umfassend eine basisseitige Lagereinrichtung und eine sitzeinheitsseitige Lagereinrichtung vorgesehen ist, mittels derer die Sitzeinheit um eine Vertikalachse gegenüber der Basis verdrehbar ist. Dabei weist die Drehlagerung eine schaltbare Blockiereinrichtung auf, mittels derer die Drehbeweglichkeit der Lagereinrichtungen gegeneinander blockierbar ist. The invention relates to a seat piece of furniture with a base and a seat unit, wherein between the base and the seat unit a rotary bearing comprising a base-side bearing means and a seating unit side bearing means is provided by means of which the seat unit is rotatable about a vertical axis relative to the base. In this case, the rotary bearing on a switchable blocking device, by means of which the rotational mobility of the storage facilities is mutually blocked.
Die Erfindung betrifft darüber hinaus auch einen Beschlag für ein solches Sitzmöbelstück. The invention also relates to a fitting for such a piece of seating furniture.
Gattungsgemäße Sitzmöbelstücke sind aus dem Stand der Technik bekannt. Es handelt sich um Sitzmöbelstücke, deren Sitzeinheit grundsätzlich gegenüber einer Basis verdrehbar ist, wobei die Basis sowohl ein zur ortsfesten Aufstellung vorgesehener Fuß als auch ein mit Rollen versehener Basisabschnitt sein kann. Letzteres ist insbesondere von Bürositzmöbeln allgemein bekannt. Die Drehbeweglichkeit der Sitzeinheit gestattet es dem Sitzenden, ohne Verdrehung der Basis die Sitzeinheit zu drehen und somit eine Sitzposition mit geänderter Orientierung einzunehmen. Generic seating furniture pieces are known from the prior art. These are seat furniture pieces whose seat unit is basically rotatable relative to a base, wherein the base can be both a foot provided for stationary installation and a base portion provided with rollers. The latter is well known in particular office seating furniture. The rotational mobility of the seat unit allows the seated person to rotate the seat unit without twisting the base, thus assuming a seated position with a changed orientation.
Die Drehlagerung, die zu diesem Zweck zwischen der Basis und der Sitzeinheit vorgesehen ist, ist im Falle gattungsgemäßer Sitzmöbelstücke mit einer Blockiereinrichtung versehen, die die Basis und die Sitzeinheit in einer gegebenen Relativdrehstellung so aneinander koppelt, dass eine Drehbewegung nicht mehr möglich ist bzw. stark erschwert ist. The pivot bearing, which is provided for this purpose between the base and the seat unit, is provided in the case of generic seating furniture pieces with a blocking device that the base and the seat unit in a given relative rotational position coupled to each other so that a rotational movement is no longer possible or strong is difficult.
Die genannte Blockierbarkeit ist insbesondere dann zweckmäßig, wenn es sich um ein Sitzmöbelstück mit einer Aufstehhilfe handelt. Eine solche Aufstehhilfe gestattet es, die Sitzeinheit insbesondere elektromotorisch anzuheben, so dass das Aufstehen vom Sitzmöbelstück erleichtert ist. In der Phase des Aufstehens ist eine Drehbewegung der Sitzeinheit allgemein nicht gewünscht. Die Blockierung verhindert beim Aufstehen, dass es zu Stürzen aufgrund der Drehbeweglichkeit der Sitzeinheit kommt. The aforementioned blockability is particularly useful if it is a piece of seating furniture with a stand-up. Such a stand-up aid makes it possible to raise the seat unit in particular by an electric motor, so that getting up from the piece of seating furniture is facilitated. In the phase of getting up a rotational movement of the seat unit is generally not desired. The blocking prevents when rising, that it comes to falls due to the rotational movement of the seat unit.
Bekannte Gestaltungen zur Schaffung einer schaltbaren Blockiereinrichtung sind vergleichsweise aufwendig. So ist beispielsweise vorgeschlagen worden, eine solche Blockiereinrichtung mittels eines zusätzlichen Elektromotors zu schaffen, der ein Riegelglied in eine Stellung verlagern kann, in der dieses formschlüssig die Sitzeinheit und die Basis miteinander verkoppelt. Bei dieser und anderer bekannten Lösungen ist jedoch stets als Nachteil zu vermerken, dass diese mit recht teuren zusätzlichen Komponenten einhergehen und zum Teil nicht die gewünschte Zuverlässigkeit zur Verfügung stellen. Known designs for creating a switchable blocking device are comparatively expensive. For example, it has been proposed to provide such a blocking device by means of an additional electric motor which can displace a locking member into a position in which it positively couples the seat unit and the base to one another. In this and other known solutions, however, it is always a disadvantage to note that these are accompanied by quite expensive additional components and in some cases do not provide the desired reliability.
Aus der nachveröffentlichten DE 102014204401 A1 ist ein gattungsgemäßes Sitzmöbelstück bekannt, bei dem eine reibschlüssige Verbindung über eine Schraubenfeder realisiert wird, die schaltbar in Umfangsrichtung zusammengezogen und geweitet werden kann. Diese Lösung führt zu der gewünschten Funktionalität, ist jedoch bei der Montage mitunter schwierig zu handhaben, da die Aufweitung der Feder während der Montage Schwierigkeiten bereiten kann. From the subsequently published DE 102014204401 A1 a generic piece of seating furniture is known, in which a frictional connection is realized via a coil spring which can be contracted and contracted in the circumferential direction and expanded. This solution leads to the desired functionality, but is sometimes difficult to handle during assembly, since the expansion of the spring during assembly can cause difficulties.
Weiterhin sind gattungsgemäße Sitzmöbelstücke bekannt geworden, bei denen eine Plan- Kerbverzahnung als planseitig ausgebildete Arretierung an in Anlage miteinander kommenden Arretierscheiben zur Arretierung der Drehbeweglichkeit der Lagereinrichtungen vorgesehen ist. Furthermore, generic seating furniture pieces have become known in which a plan serration is provided as a plan-side locking on coming into abutment with each other locking discs for locking the rotational mobility of the storage facilities.
AUFGABE UND LÖSUNG TASK AND SOLUTION
Aufgabe der Erfindung ist es daher, ein gattungsgemäßes Sitzmöbelstück bzw. einen Beschlag für ein solches Sitzmöbelstück dahingehend weiterzubilden, dass die schaltbare Blockiereinrichtung kostengünstig und zuverlässig ist und eine einfache Montierbarkeit gewährleistet. The object of the invention is therefore to develop a generic piece of seating furniture or a fitting for such a piece of seating furniture to the effect that the switchable blocking device is inexpensive and reliable and ensures easy assembly.
Erfindungsgemäß wird dies dadurch erzielt, dass die Blockiereinrichtung zur formschlüssigen Kopplung der Lagereinrichtungen ausgebildet ist. Sie verfügt hierfür über zwei Profile, die fallweise ineinandergeschoben werden zur formschlüssigen Kopplung miteinander, so dass eines der Profile ein Innenprofil bildet, welches in dieser eingeschobenen Relativstellung vom Außenprofil umgeben wird. Das Innenprofil und das Außenprofil sind jeweils mit einer der zwei Lagereinrichtungen drehfest verbunden, so dass sie in einem Zustand, in dem sie auch miteinander drehfest gekoppelt sind, auch die beiden Lagereinrichtungen und somit auch die Basis und die Sitzeinheit drehfest miteinander koppeln. According to the invention this is achieved in that the blocking device is designed for the positive coupling of the storage facilities. It has two profiles for this purpose, which are interspersed in each case for positive coupling with each other, so that one of the profiles forms an inner profile, which is surrounded in this inserted relative position of the outer profile. The inner profile and the outer profile are each rotatably connected to one of the two storage facilities, so that they are rotatably coupled in a state in which they are non-rotatably coupled to each other, the two storage facilities and thus also the base and the seat unit.
Zum Zwecke der fallweisen Herstellung dieser Drehkopplung sind das Außenprofil und das Innenprofil gegeneinander in Richtung der Vertikalachse verschiebbar, so dass sie hierdurch zwischen einer formschlüssig drehgekoppelten Eingriffs-Relativstellung und einer Freigabe- Relativstellung axial beweglich sind. Bei einem erfindungsgemäßen Sitzmöbelstück ist somit vorgesehen, dass die axiale Relativbewegung eines innen liegenden Innenprofils und eines außen liegenden Außenprofils den Wechsel zwischen einer drehgekoppelten und einer freigegebenen Stellung gestattet. Die Profile verfügen jeweils bezogen auf ihre Erstreckung in Vertikalrichtung über einen gleichbleibenden und von der Kreisform abweichenden Querschnitt, wobei der Innenquerschnitt des Außenprofils und der Außenquerschnitt des Innenprofils derart aufeinander angepasst sind, dass sie im Eingriff befindlich eine Drehbewegung unterbinden. For the purpose of the case-by-case manufacture of this rotary coupling, the outer profile and the inner profile are mutually displaceable in the direction of the vertical axis, so that they are thereby axially movable between a form-locking rotationally engaged engagement relative position and a release relative position. In a seating piece of furniture according to the invention is thus provided that the axial relative movement of an inner inner profile and an outer outer profile allows the change between a rotationally coupled and a released position. The profiles have in each case with respect to their extent in the vertical direction over a constant and deviating from the circular cross-section, wherein the inner cross section of the outer profile and the outer cross section of the inner profile are adapted to each other such that they are in engagement prevent a rotational movement.
Die Gestaltung mit Profilen ist auch deshalb von Vorteil, da dies eine unanspruchsvolle Kopplung gestattet. Anders als beispielsweise bei einer Hirth-Verzahnung wird die Drehkopplung nicht nur in einer definierten axialen Endlage erreicht, sondern ist stets dann gegeben, wenn die Profile im Eingriff miteinander sind. The design with profiles is also advantageous because this allows an unanspruchsvolles coupling. Unlike, for example, in a Hirth toothing, the rotary coupling is not only achieved in a defined axial end position, but is always given when the profiles are in engagement with each other.
Die aufeinander abgestimmte konkrete Außenkontur des Innenprofils und Innenkontur des Außenprofils sind auf vielfältige Art realisierbar. Vorzugsweise sind sie derart aufeinander abgestimmt, dass die drehgekoppelte Eingriffs-Relativstellung nicht nur in einer bestimmten oder einigen wenigen Drehstellungen der Sitzeinheit zur Basis möglich ist, sondern in einer Vielzahl von Relativstellungen, vorzugsweise in mindestens 30 verschiedenen Relativstellungen. Eine solche Vielzahl möglicher Eingriffs-Relativstellungen lässt sich besonders vorteilhaft durch eine Stirnverzahnung realisieren. Daher ist bei einer bevorzugten Ausgestaltung das Außenprofil als innenverzahntes Außenprofil und/oder das Innenprofil als außenverzahntes Innenprofil ausgebildet. The coordinated concrete outer contour of the inner profile and inner contour of the outer profile can be realized in many ways. Preferably, they are matched to one another such that the rotationally coupled engagement relative position is possible not only in a certain or a few rotational positions of the seat unit to the base, but in a variety of relative positions, preferably in at least 30 different relative positions. Such a multiplicity of possible engagement relative positions can be realized particularly advantageously by a spur toothing. Therefore, in a preferred embodiment, the outer profile is formed as an inner toothed outer profile and / or the inner profile as an externally toothed inner profile.
Zum Zwecke der in Vertikalrichtung erfolgenden Relativbewegung des Außenprofils und des Innenprofils zum Zwecke der Herstellung der Eingriffs-Relativstellung und der Freigabe- Relativstellung ist vorzugsweise ein Schaltträger vorgesehen, an dem das Innenprofil oder das Außenprofil angebracht ist. Dieser Schaltträger ist an der Sitzeinheit oder der Basis, insbesondere jedoch gegenüber der Sitzeinheit, permanent drehfest vorgesehen, in Vertikalrichtung jedoch gegenüber der Sitzeinheit bzw. der Basis verschieblich, insbesondere mittels einer in Vertikalrichtung wirkenden Gleitführung. For the purpose of taking place in the vertical direction of relative movement of the outer profile and the inner profile for the purpose of producing the engagement relative position and the release relative position preferably a switch carrier is provided on which the inner profile or the outer profile is attached. This switch carrier is permanently rotatably provided on the seat unit or the base, but in particular with respect to the seat unit, but displaceable in the vertical direction relative to the seat unit or the base, in particular by means of a sliding guide acting in the vertical direction.
Durch eine solche Gestaltung kann der Schaltvorgang zwischen der Eingriffs-Relativstellung und der Freigabe-Relativstellung erfolgen, indem der Schaltträger gegenüber der Komponente, der er zugeordnet ist, insbesondere gegenüber der Sitzeinheit, geführt vertikal bewegt wird und dabei in Eingriff oder außer Eingriff mit dem anderen Profil gelangt. Um die Verlagerung des Schaltträgers besonders einfach zu gestalten, ist vorzugsweise eine Federeinrichtung vorgesehen, mittels derer der Schaltträger permanent in Richtung einer ersten Endlage kraftbeaufschlagt wird. Zum Zwecke der Bewegung in entgegengesetzte Richtung ist eine Krafteinleitungsfläche am Schaltträger oder am damit verbundenen Teil vorgesehen, mittels derer der Schaltträger gegen die Kraft der Federeinrichtung in Richtung einer gegenüberliegenden zweiten Endlage kraftbeaufschlagt werden kann. By such a configuration, the switching operation between the engaging relative position and the release relative position can be carried out by the switch carrier relative to the component to which it is associated, in particular with respect to the seat unit, guided vertically and thereby engaged or disengaged from the other Profile arrives. In order to make the displacement of the switch carrier particularly simple, a spring device is preferably provided, by means of which the switch carrier is permanently subjected to a force in the direction of a first end position. For the purpose of movement in the opposite direction, a force introduction surface on the switch carrier or on the associated part is provided, by means of which the switch carrier can be subjected to a force against the force of the spring device in the direction of an opposite second end position.
Dabei ist eine der Endlagen, vorzugsweise die erste Endlage des Schaltträgers, die durch einen Anschlag oder dergleichen gebildet sein kann, vorzugsweise derart vorgesehen, dass in dieser Endlage das Außenprofil und das Innenprofil in der drehgekoppelten Eingriffs-Relativstellung angeordnet sind. Die Federeinrichtung bewirkt somit bei einer solchen Ausgestaltung, dass der Wegfall einer Krafteinleitung an der Krafteinleitungsfläche den drehgekoppelten Zustand der Profile herstellt, während zum Lösen der Profile und zur Erzielung der Freigabe-Relativstellung eine Krafteinleitung an der Krafteinleitungsfläche erforderlich ist. In this case, one of the end positions, preferably the first end position of the shift carrier, which may be formed by a stop or the like, preferably provided such that in this end position, the outer profile and the inner profile are arranged in the rotationally coupled engagement relative position. The spring device thus causes in such an embodiment that the elimination of an introduction of force to the force introduction surface produces the rotationally coupled state of the profiles, while for releasing the profiles and to achieve the release relative position, a force on the force application surface is required.
Es ist jedoch auch eine Ausgestaltung möglich und je nach Ausgestaltung des Sitzmöbelstücks zweckmäßig, bei der es einer Krafteinleitung an der Krafteinleitungsfläche bedarf, um den drehgekoppelten Zustand herzustellen, während die Federeinrichtung bei Wegfall einer solchen Kraft selbsttätig eine Verlagerung der Profile in die Freigabe-Relativstellung bewirkt. However, it is also an embodiment possible and depending on the configuration of the seat piece of furniture expedient in which it requires a force on the force introduction surface to produce the rotationally coupled state, while the spring device automatically causes displacement of such a force displacement of the profiles in the release relative position ,
Von besonderem Vorteil ist es, wenn das Sitzmöbelstück über eine Aufstehhilfe-Funktion verfügt, durch die eine Sitzfläche an der Sitzeinheit angehoben werden kann. Dabei ist die Blockiereinrichtung vorzugsweise mit dieser Aufstehhilfe derart wirkgekoppelt, dass sie bei Betätigung der Aufstehhilfe-Funktion ihren blockierten Zustand einnimmt, also die Profile in die drehgekoppelte Eingriffs-Relativstellung gelangen. Dies kann insbesondere dadurch erzielt werden, dass durch Aktivierung der Aufstehhilfe-Funktion eine Kraftbeaufschlagung an der Krafteinleitungsfläche verursacht wird oder entfällt. Von besonderem Vorteil ist es, wenn ein Betätigungsabschnitt an der Sitzeinheit durch Aktivierung der Aufstehhilfe-Funktion von der Krafteinleitungsfläche am Schaltträger beabstandet wird und diesem daher die Verlagerung infolge der Kraftbeaufschlagung durch die Federeinrichtung in Richtung der ersten Endlage gestattet. It is particularly advantageous if the piece of seating furniture has a stand-up assistance function by means of which a seating surface on the seat unit can be raised. In this case, the blocking device is preferably operatively coupled with this stand-up so that it occupies its blocked state upon actuation of the stand-up aid function, so get the profiles in the rotationally coupled engagement relative position. This can be achieved in particular by activating the stand-up aid function, which causes or eliminates the application of force to the force introduction surface. It is particularly advantageous if an actuating portion on the seat unit is spaced by activating the Aufstehhilfe function of the force introduction surface on the switch carrier and therefore this allows the displacement due to the application of force by the spring means in the direction of the first end position.
Alternativ oder zusätzlich kann vorgesehen sein, dass das Sitzmöbelstück einen Bedienhebel zur manuellen Betätigung aufweist, mittels dessen die Blockiereinrichtung schaltbar ist, insbesondere durch eine axiale Verlagerung des Schaltträgers. Somit kann auch unabhängig von einer möglicherweise vorhandenen Aufstehhilfe-Funktion eine Arretierung der Sitzeinheit gegenüber der Basis in einer gewünschten Drehstellung erfolgen. Die Erfindung betrifft darüber hinaus auch einen Beschlag für ein Sitzmöbelstück, der die beschlagsspezifischen Merkmale gemäß dem oben beschriebenen Sitzmöbelstück und gegebenenfalls der als optional beschriebenen Aspekte aufweist. Alternatively or additionally, it can be provided that the piece of seating furniture has an operating lever for manual actuation, by means of which the blocking device can be switched, in particular by an axial displacement of the switching carrier. Thus, regardless of a possibly existing Aufstehhilfe function, a locking of the seat unit relative to the base in a desired rotational position. The invention also relates to a fitting for a piece of seating furniture which has the fitting-specific features according to the above-described seat piece of furniture and optionally the aspects described as optional.
KURZBESCHREIBUNG DER ZEICHNUNGEN BRIEF DESCRIPTION OF THE DRAWINGS
Weitere Aspekte und Vorteile der Erfindung ergeben sich aus den Ansprüchen sowie der nachfolgenden Beschreibung eines bevorzugten Ausführungsbeispiels der Erfindung, welches anhand der Figuren erläutert wird. Hierbei zeigen: Further aspects and advantages of the invention will become apparent from the claims and the following description of a preferred embodiment of the invention, which is explained with reference to the figures. Hereby show:
Fig. 1 a und 1 b ein erfindungsgemäßes Sitzmöbelstück in perspektivischer Ansicht und Seitenansicht in einem Nutzzustand, 1 a and 1 b show an inventive piece of seating furniture in a perspective view and side view in a use state,
Fig. 2a und 2b das Sitzmöbelstück der Fig. 1 a und 1 b in perspektivischer Ansicht und Seitenansicht in einem angehobenen Zustand zum erleichterten Aufstehen, 2a and 2b, the seat furniture piece of Fig. 1 a and 1 b in a perspective view and side view in a raised state to facilitate getting up,
Fig. 3a und 3b die Drehlagerung des Sitzmöbelstücks mitsamt Blockiereinrichtung im Nutzzustand, 3a and 3b, the pivot bearing of the piece of seating furniture together with blocking device in the use state,
Fig. 4a und 4b die Drehlagerung des Sitzmöbelstücks mitsamt Blockiereinrichtung bei angehobenem Zustand des Sitzmöbelstücks, und die Drehlagerung mitsamt Blockiereinrichtung in einer Explosionsdarstellung. DETAILLIERTE BESCHREIBUNG DER AUSFÜHRUNGSBEISPIELE Fig. 4a and 4b, the pivot bearing of the piece of seating furniture together with blocking device in the raised state of the seating furniture piece, and the pivot bearing together with blocking device in an exploded view. DETAILED DESCRIPTION OF THE EMBODIMENTS
Fig. 1 a zeigt ein erfindungsgemäßes Sitzmöbelstück, wobei im Zusammenhang mit der vorliegenden Erfindung nachrangige Komponenten lediglich gestrichelt angedeutet sind. Fig. 1 a shows a seating piece of furniture according to the invention, wherein in connection with the present invention, subordinate components are indicated only by dashed lines.
Das Sitzmöbelstück verfügt über eine Basis 20 zum Zwecke der Aufstellung des Sitzmöbelstücks. Es verfügt weiterhin über eine Sitzeinheit 10, die oberhalb der Basis 20 angeordnet ist und eine Sitzfläche 12 zur Verfügung stellt. Die Sitzeinheit 10 ist gegenüber der Basis um eine Drehachse 2 verdrehbar. Hierfür verfügt sie über eine Drehlagerung 30 mit einer sitzseitigen Lagereinrichtung 32 und einer basisseitigen Lagereinrichtung 34. Der Drehlagerung 30 zugeordnet ist eine Blockiereinrichtung 40, durch die die Drehbarkeit der Sitzeinheit 10 gegenüber der Basis 20 unterbunden werden kann, wie im Weiteren noch erläutert ist. Die Besonderheit des Ausführungsbeispiels liegt insbesondere darin, dass das Sitzmöbelstück über eine Aufstehhilfe-Funktion verfügt. Diese ist anhand der Fig. 2a erläutert. An einen unteren Beschlagsabschnitt 20a, der in nachfolgend noch beschriebener Weise auch die sitzeinheitssei- tige Lagereinrichtung 32 umfasst, sind zwei Laschen 22a, 22b vorgesehen, die das Segment 20a mit einem Segment 24 verbinden, an dem die Sitzfläche 12 vorgesehen ist. Durch einen Elektromotor ist es möglich, eine Krafteinleitung in diese Laschen 22a, 22b zu bewirken, wodurch diese derart gegenüber kraftbeaufschlagt werden, dass das Segment 24 mitsamt der Sitzfläche 12 angehoben wird. Einer auf dem Sitzmöbelstück sitzenden Person wird hierdurch das Aufstehen erleichtert. The seating furniture has a base 20 for the purpose of setting up the seating furniture. It also has a seating unit 10 which is disposed above the base 20 and provides a seating surface 12. The seat unit 10 is rotatable relative to the base about a rotation axis 2. For this purpose, it has a rotary bearing 30 with a seat-side bearing means 32 and a base-side bearing means 34. The pivot bearing 30 is associated with a blocking device 40, through which the rotation of the seat unit 10 relative to the base 20 can be prevented, as explained below. The peculiarity of the embodiment lies in particular in the fact that the piece of seating furniture has a stand-up assistance function. This is explained with reference to FIG. 2a. To a lower fitting portion 20a, which also in the manner described below, the seat unit-side bearing device 32, two tabs 22a, 22b are provided which connect the segment 20a with a segment 24 on which the seat surface 12 is provided. By means of an electric motor, it is possible to bring about an introduction of force into these lugs 22a, 22b, whereby they are subjected to force in such a way that the segment 24 together with the seating surface 12 is lifted. A person sitting on the seat piece of furniture is thereby facilitated getting up.
Insbesondere im Zusammenhang mit einer derartigen Funktionalität ist das Vorhandensein der Blockiereinrichtung 40 zweckmäßig, da während des Aufstehens, also im Zustand der Fig. 2a und 2b, eine Drehbeweglichkeit der Sitzeinheit 10 gegenüber der Basis 20 um die Achse 2 nicht gewünscht ist. In particular, in connection with such functionality, the presence of the blocking device 40 is expedient, since during standing up, so in the state of Fig. 2a and 2b, a rotational mobility of the seat unit 10 relative to the base 20 about the axis 2 is not desired.
Den Fig. 3a, 3b, 4a und 4b ist zu entnehmen, wie Blockiereinrichtung 40 ausgestaltet ist und mit der in den Fig. 2a und 2b verdeutlichten Aufstehhilfe wirkgekoppelt ist. FIGS. 3 a, 3 b, 4 a and 4 b show how blocking device 40 is designed and is operatively coupled to the stand-up aid illustrated in FIGS. 2 a and 2 b.
Fig. 3a zeigt die Drehlagerung 30 und die Blockiereinrichtung 40 in einer Frontalansicht. Fig. 3b zeigt die Komponenten in einer Perspektive von schräg unten. Fig. 3a shows the pivot bearing 30 and the blocking device 40 in a front view. Fig. 3b shows the components in a perspective obliquely from below.
Auf Seiten der Sitzeinheit 12 befindet sich das benannte Beschlagssegment 20a, welches über einen zwei seitliche Wangen verbindenden Querträger verfügt, der gleichzeitig die sitzein- heitsseitige Lagerungseinrichtung 32 bildet. Auf Seiten der Basis 20 ist korrespondierend hierzu die basisseitige Lagerungseinrichtung 34 der Drehlagerung 30 vorgesehen. On the side of the seat unit 12 is the designated fitting segment 20 a, which has a cross member connecting two lateral cheeks, which at the same time forms the seat unit side storage device 32. On the side of the base 20 corresponding to the base-side support means 34 of the pivot bearing 30 is provided.
Weiterhin ist auf Seiten der Basis 20 ein außenverzahnter Profilabschnitt 50b vorgesehen, der drehfest mit der Basis 20 verbunden ist und gegenüber dieser somit nicht drehbar ist. Der säulenförmige Abschnitt der Basis 20, an dem dieses Verzahnungsprofil 50b vorgesehen ist, wird von einem Schaltträger 42 umgeben. Dieser Schaltträger 42 ist mittels zweier Schiebesegmente 48 gegenüber dem Querträger des sitzelementseitigen Beschlagssegment 20a geführt. An den gegenüberliegenden Enden der Schiebesegmente sind pilzartig anmutende Aufweitungen vorgesehen, deren Oberseiten die Krafteinleitungsflächen 46 darstellen. Diese werden von unten mittels zweier Federeinrichtungen 44 in Art von Schraubenfedern kraftbeaufschlagt. Diese Federeinrichtungen 44 stützen sich mit ihrem nach unten weisenden Ende auf den Querträger des Beschlagssegments 22a ab. Hierdurch wird, sofern keine weitere Kraftbeaufschlagung an den Krafteinleitungsflächen 44 vorliegt, der Schaltträger 42 permanent nach oben gedrückt. Im Zustand der Fig. 3a und 3b liegt jedoch in nicht dargestellter Weise eine Kraftbeaufschlagung an den Krafteinleitungsflächen 46 vor. Diese wird Bezug nehmend auf Fig. 2b durch Abschnitte am Beschlagssegment 24 verursacht, vorliegend durch Ausleger 28 an einer Quertraverse 26 des Beschlagsabschnitts 24. Die Federn 44 werden somit im Zustand der Fig. 3a und 3b im komprimierten Zustand gehalten. Der Schaltträger 42 befindet sich dadurch in einer unteren Endlage und ein innenverzahntes Außenprofil 50a am Schaltträger 42 ist infolgedessen außer Eingriff mit dem außenverzahnten Innenprofil 50b. Im Zustand der Fig. 3a und 3b ist die Blockiereinrichtung 40 somit nicht aktiv. Die Sitzeinheit 10 kann gegenüber der Basis 20 gedreht werden. Furthermore, an externally toothed profile section 50b is provided on the side of the base 20, which is rotatably connected to the base 20 and is thus not rotatable relative to this. The columnar portion of the base 20, on which this tooth profile 50b is provided, is surrounded by a switch carrier 42. This switch carrier 42 is guided by means of two sliding segments 48 relative to the cross member of the seat member side fitting segment 20a. At the opposite ends of the sliding segments mushroom-like widening are provided, the upper sides of the force introduction surfaces 46 represent. These are subjected to force from below by means of two spring means 44 in the manner of coil springs. These spring devices 44 are supported with their downwardly facing end on the cross member of the fitting segment 22a. As a result, unless further force is applied to the force introduction surfaces 44, the switch carrier 42 is pressed permanently upwards. In the state of Fig. 3a and 3b, however, is in a manner not shown, a force on the force introduction surfaces 46 before. With reference to FIG. 2b, this is caused by sections on the fitting segment 24, in the present case by brackets 28 on a crosspiece 26 of the fitting section 24. The springs 44 are thus held in the state of FIGS. 3a and 3b in the compressed state. The switch carrier 42 is characterized in a lower end position and an internally toothed outer profile 50a on the switch carrier 42 is consequently out of engagement with the externally toothed inner profile 50b. In the state of FIGS. 3a and 3b, the blocking device 40 is therefore not active. The seat unit 10 can be rotated relative to the base 20.
Entfällt die Kraftbeaufschlagung an den Krafteinleitungsflächen 46, so stellt sich der Zustand der Fig. 4a und 4b ein. Durch den Wegfall der Kraftbeaufschlagung werden die Krafteinleitungsflächen 46 von den Federeinrichtungen 44 nach oben gedrückt und ziehen damit auch den Schaltträger 42 nach oben. Dessen innenverzahntes Profil 50a gerät hierdurch in Eingriff mit dem basisseitigen und in Vertikalrichtung nicht mitbewegten Profil 50b. Aufgrund der großen Zahnzahl von etwa 60 Zähnen kann diese Eingriffsstellung unter allenfalls minimaler Änderung der Relativdrehstellung der Sitzeinheit 10 gegenüber der Basis 20 erzielt werden. Um die Herstellung des Eingriffszustandes zu erleichtern, können die Verzahnungen jeweils oder eine der Verzahnungen mit Zähnen versehen sein, die über Einführschrägen verfügen. If the application of force to the force introduction surfaces 46 is omitted, the state of FIGS. 4a and 4b is established. By eliminating the application of force, the force introduction surfaces 46 are pressed by the spring means 44 upwards and thus also pull the switch carrier 42 upwards. Its internal toothed profile 50a thereby comes into engagement with the base-side profile 50b, which is not moved along in the vertical direction. Due to the large number of teeth of about 60 teeth, this engagement position can be achieved with minimal change in the relative rotational position of the seat unit 10 relative to the base 20 at most. In order to facilitate the production of the engaged state, the teeth may be provided in each case or one of the teeth with teeth, which have bevels.
Der Wegfall der Kraftbeaufschlagung an den Krafteinleitungsflächen 46 wird dadurch verursacht, dass die zuvor hierauf wirkenden Abschnitte an den Auslegern 28 in der Fig. 2b gut entnehmbaren Weise im Zuge der Aktivierung der Aufstehhilfe-Funktion angehoben wurden. Die Blockierung ergibt sich somit zwangsläufig aus der Aktivierung der Aufstehhilfe-Funktion. The elimination of the application of force to the force introduction surfaces 46 is caused by the fact that the previously acting on the sections 28 on the arms 28 in the Fig. 2b well-removed manner in the course of activation of the stand-up function have been raised. The blocking thus necessarily results from the activation of the stand-up assistance function.
Die im Erfindungskontext wesentlichsten Komponenten der Drehlagerung 30 und insbesondere der Blockiereinrichtung 40 sind in einer Explosionsdarstellung in Fig. 5 nochmals dargestellt. The most essential components of the rotary bearing 30 and in particular the blocking device 40 in the context of the invention are shown again in an exploded view in FIG.

Claims

Patentansprüche claims
Sitzmöbelstück mit Seating piece of furniture with
einer Basis (20) und  a base (20) and
einer Sitzeinheit (10),  a seat unit (10),
wobei in which
zwischen der Basis und der Sitzeinheit eine Drehlagerung (30) umfassend eine ba- sisseitige Lagereinrichtung (34) und eine sitzeinheitsseitige Lagereinrichtung (32) vorgesehen ist, mittels derer die Sitzeinheit (10) um eine Vertikalachse (2) gegenüber der Basis (20) verdrehbar ist, und  a pivot bearing (30) comprising a base-side bearing device (34) and a seating unit-side bearing device (32) is provided between the base and the seat unit, by means of which the seat unit (10) can rotate about a vertical axis (2) relative to the base (20) is and
die Drehlagerung (30) eine schaltbare Blockiereinrichtung (40) aufweist, mittels derer die Drehbeweglichkeit der Lagereinrichtungen (32, 34) gegeneinander blockierbar ist,  the rotary bearing (30) has a switchable blocking device (40) by means of which the rotational mobility of the bearing devices (32, 34) can be blocked relative to one another,
dadurch gekennzeichnet, dass characterized in that
die Blockiereinrichtung (40) zur formschlüssigen Kopplung der Lagereinrichtungen ausgebildet ist und hierfür zwei Profile (50a, 50b) aufweist, umfassend ein Innenprofil (50b), welches drehfest zur einer der zwei Lagereinrichtungen (32, 34) angebracht ist und ein Außenprofil (50a), welches drehfest zur anderen der zwei Lagereinrichtungen (32, 34) angebracht ist, und  the blocking device (40) is designed for the positive coupling of the bearing devices and for this purpose has two profiles (50a, 50b), comprising an inner profile (50b), which is mounted non-rotatably to one of the two bearing devices (32, 34) and an outer profile (50a) , which is non-rotatably mounted to the other of the two storage facilities (32, 34), and
das Außenprofil (50a) und das Innenprofil (50b) gegeneinander in Richtung der Vertikalachse verschiebbar sind, so dass sie zwischen einer formschlüssig drehgekoppelten Eingriffs-Relativstellung und einer Freigabe-Relativstellung axial beweglich sind.  the outer profile (50a) and the inner profile (50b) are mutually displaceable in the direction of the vertical axis, so that they are axially movable between a form-fitting rotationally coupled engagement relative position and a release relative position.
Sitzmöbelstück nach Anspruch 1 , Seating furniture piece according to claim 1,
dadurch gekennzeichnet, dass characterized in that
eines der Profile (50a) an einem zur Sitzeinheit (10) oder zur Basis (20) drehfesten Schaltträger (42) vorgesehen ist, der in Richtung der Vertikalachse (2) geführt gegenüber der Sitzeinheit (10) bzw. der Basis (20) verschieblich ist. one of the profiles (50a) on a seat unit (10) or the base (20) non-rotatable switch carrier (42) is provided in the direction of the vertical axis (2) guided relative to the seat unit (10) or the base (20) displaceable is.
Sitzmöbelstück nach Anspruch 2, Seating furniture piece according to claim 2,
dadurch gekennzeichnet, dass characterized in that
eine Federeinrichtung (44) vorgesehen ist, mittels derer der Schaltträger (42) permanent in Richtung einer ersten Endlage kraftbeaufschlagt wird, und  a spring device (44) is provided, by means of which the switch carrier (42) is permanently subjected to a force in the direction of a first end position, and
eine Krafteinleitungsfläche (46) am Schaltträger (42) oder einem damit verbundenen Teil vorgesehen ist, mittels derer der Schaltträger (42) gegen die Kraft der Federeinrichtung (44) in Richtung einer zweiten Endlage kraftbeaufschlagt werden kann. Sitzmöbelstück nach einem der Ansprüche 1 bis 3, a force introduction surface (46) is provided on the switch carrier (42) or an associated part, by means of which the switch carrier (42) against the force of the spring means (44) in the direction of a second end position can be subjected to force. Seating furniture piece according to one of claims 1 to 3,
dadurch gekennzeichnet, dass characterized in that
das Außenprofil (50a) und das Innenprofil (50b) in einer Mehrzahl von Relativdrehstellungen aus der axialen Freigabe-Relativstellung in die axiale Eingriffs-Relativstellung gebracht werden können, wobei hierfür vorzugsweise das Außenprofil (50a) als innenverzahntes Außenprofil und das Innenprofil (50b) als außenverzahntes Innenprofil (50b) ausgebildet ist. the outer profile (50a) and the inner profile (50b) can be brought from the axial release relative position in the axial engagement relative position in a plurality of relative rotational positions, for this purpose preferably the outer profile (50a) as an inner toothed outer profile and the inner profile (50b) as externally toothed inner profile (50b) is formed.
Sitzmöbelstück nach einem der vorstehenden Ansprüche, Seating furniture piece according to one of the preceding claims,
dadurch gekennzeichnet, dass characterized in that
das Sitzmöbelstück über eine Aufstehhilfe-Funktion verfügt, durch die eine Sitzfläche (12) angehoben werden kann, wobei die Blockiereinrichtung (40) vorzugsweise mit der Aufstehhilfefunktion derart wirkgekoppelt ist, dass sie bei Betätigung der Aufstehhilfefunktion ihren blockierten Zustand einnimmt, insbesondere indem durch Aktivierung der Aufstehhilfefunktion eine Kraftbeaufschlagung an der Krafteinleitungsfläche (46) verursacht wird oder entfällt. the seat piece of furniture has a stand-up aid function by which a seat surface (12) can be raised, wherein the blocking device (40) is preferably operatively coupled with the stand-up assistance function so that it assumes its locked state upon actuation of the stand-up assistance function, in particular by activating the Stand-up assistance function causes or eliminates the application of force at the force introduction surface (46).
Sitzmöbelstück nach einem der vorstehenden Ansprüche, Seating furniture piece according to one of the preceding claims,
dadurch gekennzeichnet, dass characterized in that
das Sitzmöbelstück einen Bedienhebel zur manuellen Betätigung aufweist, mittels dessen die Blockiereinrichtung schaltbar ist, insbesondere durch eine axiale Verlagerung des Schaltträgers. the seating piece of furniture has an operating lever for manual actuation, by means of which the blocking device can be switched, in particular by an axial displacement of the switch carrier.
Sitzmöbelstück nach einem der vorstehenden Ansprüche, Seating furniture piece according to one of the preceding claims,
dadurch gekennzeichnet, dass characterized in that
das Außenprofil (50a) drehfest zur sitzseitigen Lagereinrichtung (32) vorgesehen ist, wobei insbesondere der Schaltträger (42) drehfest zur sitzseitigen Lagereinrichtung (32) vorgesehen ist, und  the outer profile (50a) is provided in a rotationally fixed manner to the seat-side bearing device (32), wherein in particular the switch carrier (42) is provided in a rotationally fixed manner to the seat-side bearing device (32), and
das Innenprofil (50b) drehfest zur basisseitigen Lagereinrichtung (34) vorgesehen ist.  the inner profile (50b) is non-rotatably provided to the base-side bearing device (34).
Beschlag für ein Sitzmöbelstück mit Fitting for a piece of seating furniture with
einem Basisabschnitt zur Anbringung an einer Basis des Sitzmöbelstücks und einem Sitzabschnitt zur Anbringung einer Sitzeinheit des Sitzmöbelstücks, wobei  a base portion for attachment to a base of the seat furniture and a seat portion for mounting a seat unit of the seat furniture, wherein
zwischen dem Basisabschnitt und dem Sitzabschnitt eine Drehlagerung (30) umfassend eine basisseitige Lagereinrichtung (34) und eine sitzeinheitsseitige Lagerein- richtung (32) vorgesehen ist, mittels derer der Sitzabschnitt um eine Vertikalachse (2) gegenüber dem Basisabschnitt verdrehbar ist, und between the base portion and the seat portion a pivot bearing (30) comprising a base-side bearing means (34) and a seating unit side bearing unit direction (32) is provided, by means of which the seat portion about a vertical axis (2) relative to the base portion is rotatable, and
der Drehlagerung (30) eine schaltbare Blockiereinrichtung (40) vorgesehen ist, mittels derer die Drehbeweglichkeit der Lagereinrichtungen (32, 34) gegeneinander blockierbar ist,  the rotary bearing (30) is provided with a switchable blocking device (40) by means of which the rotational mobility of the bearing devices (32, 34) can be blocked relative to one another,
dadurch gekennzeichnet, dass characterized in that
die Blockiereinrichtung (40) zur formschlüssigen Kopplung der Lagereinrichtungen (32, 34) ausgebildet ist und hierfür zwei Profile (50a, 50b) aufweist, umfassend ein Innenprofil (50b), welches drehfest zur einer der zwei Lagereinrichtungen (32, 34) angebracht ist und ein Außenprofil (50a), welches drehfest zur anderen der zwei Lagereinrichtungen (32, 34) angebracht ist, und  the blocking device (40) is designed for form-locking coupling of the bearing devices (32, 34) and for this purpose has two profiles (50a, 50b), comprising an inner profile (50b), which is non-rotatably attached to one of the two bearing devices (32, 34) and an outer profile (50a) which is non-rotatably mounted to the other of the two bearing means (32, 34), and
das Außenprofil (50a) und das Innenprofil (50b) gegeneinander in Richtung der Vertikalachse verschiebbar sind, so dass sie zwischen einer drehgekoppelten Eingriffs- Relativstellung und einer Freigabe-Relativstellung axial beweglich sind.  the outer profile (50a) and the inner profile (50b) are mutually displaceable in the direction of the vertical axis, so that they are axially movable between a rotationally coupled engagement relative position and a release relative position.
EP15729417.4A 2014-06-23 2015-06-10 Rotatable piece of seating furniture Active EP3157388B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15729417T PL3157388T3 (en) 2014-06-23 2015-06-10 Rotatable piece of seating furniture

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014211962.6A DE102014211962B4 (en) 2014-06-23 2014-06-23 Swivel seating furniture
PCT/EP2015/062977 WO2015197365A1 (en) 2014-06-23 2015-06-10 Rotatable piece of seating furniture

Publications (2)

Publication Number Publication Date
EP3157388A1 true EP3157388A1 (en) 2017-04-26
EP3157388B1 EP3157388B1 (en) 2018-04-11

Family

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Application Number Title Priority Date Filing Date
EP15729417.4A Active EP3157388B1 (en) 2014-06-23 2015-06-10 Rotatable piece of seating furniture

Country Status (6)

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US (1) US9723926B2 (en)
EP (1) EP3157388B1 (en)
CN (1) CN106455822B (en)
DE (1) DE102014211962B4 (en)
PL (1) PL3157388T3 (en)
WO (1) WO2015197365A1 (en)

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CN107638257B (en) * 2017-11-08 2024-03-01 南京康尼机电股份有限公司 Rotary module of wheelchair
CN212489239U (en) * 2019-12-10 2021-02-09 锐迈机械科技（吴江）有限公司 A rotation locking aggregate unit and gesture adjustable sofa for furniture unit
CN111227546B (en) * 2020-03-07 2023-08-04 诸暨任仓智能科技有限公司 Swivel chair chassis and mounting process thereof
DE102020007392B4 (en) * 2020-12-04 2023-12-28 Sedus Stoll Aktiengesellschaft Locking device for furniture, rotating furniture and method for locking a rotating furniture
US11766126B1 (en) * 2022-03-10 2023-09-26 Xuanbin Yang Highly steady rotary chair

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Also Published As

Publication number Publication date
DE102014211962A1 (en) 2015-12-24
DE102014211962B4 (en) 2016-01-07
CN106455822A (en) 2017-02-22
EP3157388B1 (en) 2018-04-11
WO2015197365A1 (en) 2015-12-30
US20150366351A1 (en) 2015-12-24
US9723926B2 (en) 2017-08-08
CN106455822B (en) 2020-06-12
PL3157388T3 (en) 2018-09-28

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