EP0954232B1 - Adaptable frame carrier with freedom of movement along three axes for couches or seats - Google Patents

Adaptable frame carrier with freedom of movement along three axes for couches or seats Download PDF

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Publication number
EP0954232B1
EP0954232B1 EP97952701A EP97952701A EP0954232B1 EP 0954232 B1 EP0954232 B1 EP 0954232B1 EP 97952701 A EP97952701 A EP 97952701A EP 97952701 A EP97952701 A EP 97952701A EP 0954232 B1 EP0954232 B1 EP 0954232B1
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EP
European Patent Office
Prior art keywords
frame
frame support
cup
rolling
freedom
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP97952701A
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German (de)
French (fr)
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EP0954232A1 (en
Inventor
Ulrich Huber
Thomas Götze
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Individual
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Individual
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders or bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/006—Oscillating, balancing or vibrating mechanisms connected to the bedstead

Definitions

  • the invention relates to an adaptable frame carrier with three-axis freedom of movement, preferably several frame supports a structurally stiffened swing frame wear and the frame supports executed with mutually movable elements to allow movement in the horizontal plane X-Y and in the vertical axis are designed by a linearly determined spring bearing so that by the intervention of Coupling element a dependence of the swing deflection between the horizontal plane and the Vetikat axis is generated so that only definable vibratory forces occur.
  • free-swinging vibration systems are designed as swing beds, which are essentially carried by so-called vibration stands.
  • the main bearing point between the horizontal plane and the vertical axis is designed in this embodiment by a so-called sliding cushion.
  • a complicated lever mechanism is used to achieve a proportionality of the vibrating forces.
  • the bearing interface of the slide cushion makes the functionality dependent on the flexible material of this slide cushion, which is supposed to represent a friction-free bearing point.
  • the invention was therefore based on the object of a frame carrier with three axes To create freedom of movement, an improvement in low-friction bearings achieved and with the heavy construction of the embodiment described above simplified and the functionality is increased.
  • dome-shaped rolling bodies 3 and 8 which can roll on low-pressure rolling plates 2 with low friction.
  • the rolling plate 2 rests on a carrier plate 1.
  • This dome-shaped roller bearing is characterized in that the deflection of the frame carrier in the X or Y direction of the frame carrier in the Z-axis executes a stroke path H1 if the rolling radius R1 of the dome-shaped bearing point is chosen to be much larger than the semicircular radius R2 of the complete inner one Rolling element.
  • the stroke H1 can therefore be represented as a function of the deflection in the X and Y directions as a function of the size ratio of the radii R1 and R2.
  • the guide in the Z-axis is designed as a linear guide by two cylinders 6, 7 sliding one inside the other and is characterized in that a spring element 4 (FIG. 1) enables the movement stroke in this axis, the cylinders 6, 7 having a small bearing Friction resistance are performed.
  • a damping ring 15 is provided for damping with maximum deflection in the Z axis.
  • the lower carrier plate 1 is connected to the lower dome-shaped rolling body 3 by a spring-supported plate support 5. As a result, the freedom of movement is preserved in this bearing.
  • a vibration damping ring 14 is inserted into the carrier plate 1.
  • a simple coupling assembly 12 consisting of spring elements 9, each on the frame connection 10 or are articulated at an adjustable articulation point the vibration forces between the horizontal deflection and the vibration stroke in the Z-axis in dependence on each other.
  • This coupling group 12 is designed so that a Adjustment (e.g. changing the spring tension) is given and thus the Frame supports a function that can be adapted to the entire vibration system receives that the vibration forces can be changed by adjusting.
  • a stop 11 is provided which the mechanically limited maximum possible vibration stroke.
  • the arrangement described solves the problem of a low-friction bearing according to the invention and thus combines the technical effect of a vibration energy coupling by lifting the frame supports in the horizontal Z-axis, which is intended to contribute to vibration stabilization by the force impulse generated.
  • the production-oriented design of the elements of the Z-axis bearing and the simple coupling group 12 fulfill the required functionality with regard to minimizing the frictional force in the bearing points while maintaining the mechanical-technical functionality and the desired vibration stability. It is not necessary to use technical elements that are difficult to manufacture, which would make it more difficult to convert the design into a marketable product. According to the embodiment according to FIG.
  • a gimbal mounting 16 is provided which, together with a centrally located coupling group 17, essentially results in the described functions of the embodiment according to FIG.
  • an embodiment corresponding to FIG. 3 is possible, which has an internal spring element 4 in the Z-axis and also enables the described functions of the embodiment according to FIG. 1.

Landscapes

  • Vibration Prevention Devices (AREA)
  • Springs (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Chairs Characterized By Structure (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Details Of Measuring And Other Instruments (AREA)

Abstract

An adaptable frame carrier with triaxial freedom of movement for couches and seats, in which the freedom of movement is achieved in the X-, Y- and Z-direction by a system of elements which can be moved relative to one another and are spring loaded, a connecting element making the moveability between the X-, Y- and Z-direction interdependent. The frame carrier having at least one dome-shaped rolling body (3, 8) which rolls along a pressure-resistant rolling plate (2) in the X- and Y-direction, and two cylinders (6, 7) which slide one into the other and are supported against each other in the Z-direction by a compression spring (4). One of the cylinders (7) which slide one into the other being connected in a spring-loaded and hinged manner to the frame (18) of the couch or seat via a frame connection plate (13).

Description

Die Erfindung betrifft einen anpaßbaren Rahmenträger mit dreiachsiger Bewegungsfreiheit, wobei vorzugsweise mehrere Rahmenträger einen konstruktiv ausgesteiften Schwingrahmen tragen und die Rahmenträger mit zueinander beweglichen Elementen ausgeführt sind, um die Bewegung in der Horizontalebene X-Y zuzulassen, und in der Vertikalachse durch eine linear bestimmte Federlagerung so ausgeführt sind, daß durch den Eingriff eines Kopplungselementes eine Abhängigkeit der Schwingauslenkung zwischen der Honzontalebene und der Vetikatachse so erzeugt wird, daß nur definierbare Schwingkräfte auftreten.The invention relates to an adaptable frame carrier with three-axis freedom of movement, preferably several frame supports a structurally stiffened swing frame wear and the frame supports executed with mutually movable elements to allow movement in the horizontal plane X-Y and in the vertical axis are designed by a linearly determined spring bearing so that by the intervention of Coupling element a dependence of the swing deflection between the horizontal plane and the Vetikat axis is generated so that only definable vibratory forces occur.

Es sind nach DE 43 00 425 C2 frei schwingende Schwingsysteme als Schwingliegen ausgebildet, welche im wesentlichen durch sogenannte Schwingständer getragen werden. Die Hauptlagerstelle zwischen der Horizontalebene und der Vertikalachse ist in dieser Ausführung durch ein sogenanntes Gleitkissen ausgeführt. Es wird ein komplizierter Hebelmechanismus eingesetzt, um eine Proportionalität der Schwingkräfte zu erreichen. Besonders die Lagerschnittstelle des Gleitkissens macht die Funktionalität abhägnig vom flexiblen Material dieses Gleitkissens, welches eine reibungsfreie Lagerstelle darstellen soll. Hier treten schwierige Probleme bei der Verbindung der dort beschriebenen Grundplatte und der Stützplatte des Schwingträgers und dem Gleitkissenelement auf, da die Lagerstelle zudem als dynamisch starre Verbindung innerhalb des Schwingsystems ausgebildet sein soll, und so das Element Gleitkissen sehr vielfältige und schwierige Einzelfunktionen aufnehmen muß und damit als ein technisch höchst schwieriges Bauteil angesehen werden muß.
Die zusätzlichen Schnittstellen zwischen den Einzelelementen des Hebelmechanismus und den beweglichen Achsenteilen nach DE 43 00 425 lassen zusätzliche Reibkräfte entstehen, welche das Schwingsystem erheblich negativ beeinflussen.
Es sind andere Ausbildungen freier Schwingsysteme bekannt, die jedoch nicht gleichwertige Lösungen für einen Schwingträger mit dreiachsiger Bewegungsfreiheit unter den funktionalen Aspekten eines reibungsarmen Gesamtschwingsystems anbieten (z.B. US 25 29 639).According to DE 43 00 425 C2, free-swinging vibration systems are designed as swing beds, which are essentially carried by so-called vibration stands. The main bearing point between the horizontal plane and the vertical axis is designed in this embodiment by a so-called sliding cushion. A complicated lever mechanism is used to achieve a proportionality of the vibrating forces. In particular, the bearing interface of the slide cushion makes the functionality dependent on the flexible material of this slide cushion, which is supposed to represent a friction-free bearing point. Difficult problems arise here when connecting the base plate described there and the support plate of the vibrating support and the sliding pad element, since the bearing point should also be designed as a dynamically rigid connection within the vibrating system, and so the sliding pad element must accommodate very diverse and difficult individual functions and thus must be regarded as a technically extremely difficult component.
The additional interfaces between the individual elements of the lever mechanism and the movable axle parts according to DE 43 00 425 give rise to additional frictional forces which have a considerably negative influence on the vibration system.
Other designs of free vibration systems are known, but they do not offer equivalent solutions for a vibration carrier with three-axis freedom of movement under the functional aspects of a low-friction overall vibration system (eg US 25 29 639).

Der Erfindung lag deshalb die Aufgabe zugrunde, einen Rahmenträger mit dreiachsiger Bewegungsfreiheit zu schaffen, der eine Verbesserung der reibungsarmen Lagerstellen erreicht und mit dem die schwerige Konstruktion der oben beschriebenen Ausführungsform vereinfacht und dabei die Funktionalität erhöht wird.The invention was therefore based on the object of a frame carrier with three axes To create freedom of movement, an improvement in low-friction bearings achieved and with the heavy construction of the embodiment described above simplified and the functionality is increased.

Die Lösung der Aufgabe erfolgt gemäß den Merkmalen des Anspruchs 1.
Die Ansprüche 2 bis 5 stellen zweckmäßige Weiterbildungen dar.The problem is solved according to the features of claim 1.
Claims 2 to 5 represent expedient further developments.

Die Erfindung soll an drei Ausführungsbeispielen anhand von Zeichnungen erläutert werden. In den Zeichnungen bedeuten:

Fig.1
Anpaßbarer Rahmenträger mit dreiachsiger Bewegungsfreiheit und außenliegender Federung in der Z-Achse,
Fig.2
Rahmenträger in der Ausgestaltung mit einer Kardanlagerung,
Fig.3
Rahmenträger mit innenliegender Federung in der Z-Achse.
The invention will be explained using three exemplary embodiments with reference to drawings. In the drawings:
Fig. 1
Adaptable frame carrier with three-axis freedom of movement and external suspension in the Z-axis,
Fig. 2
Frame girder designed with a gimbal,
Fig. 3
Frame support with internal suspension in the Z axis.

Nach Fig. 1 ist in der maßgeblichen horizontalen Bewegungsebene X-Y die Beweglichkeit durch kalottenförmige Abrollkörper 3 und 8 gegeben, die auf druckfesten Abrollplatten 2 reibungsarm abrollen können. Die Abrollplatte 2 ruht auf einer Trägerplatte 1.
Diese kalottenförmige Abrolllagerung ist dadurch gekennzeichnet, daß durch die Auslenkung der Rahmenträger in X- oder Y-Richtung der Rahmenträger in der Z-Achse einen Hubweg H1 ausführt, wenn der Abrollradius R1 der kalottenförmigen Lagerstelle viel größer gewählt wird als der Halbkreisradius R2 des kompletten inneren Abrollelements. Der Hubweg H1 läßt sich demnach als Funktion der Auslenkung in X- und Y-Richtung in Abhängigkeit vom Größenverhältnis der Radien R1 und R2 darstellen. Diese Gestaltung führt zu dem kinematisch dynamischen Effekt, daß durch die Auslenkung in der Horizontalebene potentielle Energie durch das Anheben der Schwingrahmenkonstruktion 18 durch den Hubweg H1 entsteht, welche als Schwingungsimpuls in dem Gesamtschwingsystem die harmonische Schwingauslegung positiv beeinflußt.
Die Führung in der Z-Achse wird als Linearführung durch zwei ineinander gleitende Zylinder 6, 7 gestaltet und ist dadurch gekennzeichnet, daß ein Federelement 4 (Fig.1) den Bewegungshub in dieser Achse ermöglicht, wobei die Zylinder 6, 7 durch Gleitlager mit geringem Reibwiderstand geführt werden. Zur Dämpfung bei maximaler Auslenkung in der Z-Achse ist ein Dämpfungsring 15 vorgesehen.
Die untere Trägerplatte 1 ist durch eine federgelagerte Plattenstütze 5 mit dem unteren kalottenförmigen Abrollkörper 3 verbunden. Dadurch bleibt die Bewegungsfreiheit in dieser Lagerstelle erhalten. In die Trägerplatte 1 ist ein Schwingungsdämpfungsring 14 eingelegt. 1 in the relevant horizontal plane of movement XY the mobility is given by dome-shaped rolling bodies 3 and 8, which can roll on low-pressure rolling plates 2 with low friction. The rolling plate 2 rests on a carrier plate 1.
This dome-shaped roller bearing is characterized in that the deflection of the frame carrier in the X or Y direction of the frame carrier in the Z-axis executes a stroke path H1 if the rolling radius R1 of the dome-shaped bearing point is chosen to be much larger than the semicircular radius R2 of the complete inner one Rolling element. The stroke H1 can therefore be represented as a function of the deflection in the X and Y directions as a function of the size ratio of the radii R1 and R2. This design leads to the kinematic dynamic effect that potential energy arises from the deflection in the horizontal plane by lifting the oscillating frame construction 18 through the stroke path H1, which, as an oscillation pulse in the overall oscillation system, has a positive influence on the harmonic oscillation design.
The guide in the Z-axis is designed as a linear guide by two cylinders 6, 7 sliding one inside the other and is characterized in that a spring element 4 (FIG. 1) enables the movement stroke in this axis, the cylinders 6, 7 having a small bearing Friction resistance are performed. A damping ring 15 is provided for damping with maximum deflection in the Z axis.
The lower carrier plate 1 is connected to the lower dome-shaped rolling body 3 by a spring-supported plate support 5. As a result, the freedom of movement is preserved in this bearing. A vibration damping ring 14 is inserted into the carrier plate 1.

Eine einfache Kopplungsbaugruppe 12, bestehend aus Federelementen 9, die jeweils an dem Rahmenanschluß 10 bzw. an einem verstellbaren Anlenkpunkt angelenkt sind, bringt die Schwingkräfte zwischen der Horizontalauslenkung und dem Schwingungshub in der Z-Achse in eine Abhängigkeit zueinander. Damit wird ermöglicht, daß keine zu starken Schwingungen in dem Gesamtschwingungssystem aus mehreren einzelnen Rahmen, trägern, die mit einem konstruktiv ausgesteiften Trägerrahmenl 18 durch die Rahmenabschiußplatte 13 fest verbunden sind, entstehen, da eine Auslenkung von der Nullage eine Dämpfung durch die Koppiungsbaugruppe 12 bewirkt, die damit gleichzeitig zur Schwingungsstabilisierung beiträgt. Diese Kopplungsgruppe 12 ist so ausgestaltet, daß eine Verstellmöglichkeit (z.B. Änderung der Federspannung) gegeben ist und somit der Rahmenträger eine an das gesamte Schwingungssystem anpaßbare Funktion dadurch erhält, daß durch das Verstellen die Schwingkräfte verändert werden können.A simple coupling assembly 12, consisting of spring elements 9, each on the frame connection 10 or are articulated at an adjustable articulation point the vibration forces between the horizontal deflection and the vibration stroke in the Z-axis in dependence on each other. This enables none to be too strong Vibrations in the overall vibration system from several individual frames, carriers with a structurally stiffened support frame 18 through the frame end plate 13 are firmly connected, arise because a deflection from the zero position Damping caused by the coupling assembly 12, which at the same time for vibration stabilization contributes. This coupling group 12 is designed so that a Adjustment (e.g. changing the spring tension) is given and thus the Frame supports a function that can be adapted to the entire vibration system receives that the vibration forces can be changed by adjusting.

An dem oberen kalottenformigen Abrollkörper 8 ist ein Anschlag 11 vorgesehen, der den maximal möglichen Schwingungshub mechanisch begrenzt.On the upper dome-shaped rolling body 8, a stop 11 is provided which the mechanically limited maximum possible vibration stroke.

Die beschriebene Anordnung löst erfindungsgemäß das Problem einer reibungsarmen Lagerstelle und verbindet damit den technischen Effekt einer Schwingungsenergiekopplung durch das Anheben der Rahmenträger in der horizontalen Z-Achse, der durch den entstehenden Kraftimpuls zur Schwingstabilisierung beitragen soll. Die fertigungsgerechte Ausgestaltung der Elemente der Z-Achsenlagerung und der einfachen Kopplungsgruppe 12 erfüllen die geforderte Funktionalität hinsichtlich der Reibkraftminimierung in den Lagerstellen bei Erhaltung der mechanisch-technischen Funktionalität und der gewünschten Schwingungsstabilität. Es müssen keine schwierig zu fertigenden technischen Elemente verwendet werden, welche die Umsetzung der Konstruktion zu einem marktgerechten Produkt erschweren würden.
Nach der Ausführungsform gemäß Fig.2 ist neben der beschriebenen kalottenförmigen Lagerung 3 eine Kardanlagerung 16 vorgesehen, die zusammen mit einer zentrisch liegenden Kopplungsgruppe 17 im wesentlichen die beschriebenen Funktionen der Ausführungsform nach Fig.1 ergibt.
Weiterhin ist eine Ausführungsform entsprechend Fig. 3 möglich, welche ein innenliegendes Federelement 4 in der Z-Achse aufweist und ebenfalls die beschriebenen Funktionen der Ausführung nach Fig.1 ermöglicht.The arrangement described solves the problem of a low-friction bearing according to the invention and thus combines the technical effect of a vibration energy coupling by lifting the frame supports in the horizontal Z-axis, which is intended to contribute to vibration stabilization by the force impulse generated. The production-oriented design of the elements of the Z-axis bearing and the simple coupling group 12 fulfill the required functionality with regard to minimizing the frictional force in the bearing points while maintaining the mechanical-technical functionality and the desired vibration stability. It is not necessary to use technical elements that are difficult to manufacture, which would make it more difficult to convert the design into a marketable product.
According to the embodiment according to FIG. 2, in addition to the dome-shaped mounting 3 described, a gimbal mounting 16 is provided which, together with a centrally located coupling group 17, essentially results in the described functions of the embodiment according to FIG.
Furthermore, an embodiment corresponding to FIG. 3 is possible, which has an internal spring element 4 in the Z-axis and also enables the described functions of the embodiment according to FIG. 1.

Claims (6)

  1. An adaptable frame support with triaxial freedom of movement for reclining or seating furniture, in which the freedom of movement in the X, Y and Z directions is achieved by a system of elements which are resilient or can be moved relative to each other, with a coupling element effecting dependency of the mobility between X-Y and Z directions,
    characterised in that
    that the frame support has at least one cup-shaped rolling element (3, 8) which rolls in the X and Y directions on a pressure-proof rolling plate (2), that the frame support has two cylinders (6, 7) which slide within each other, which are supported against each other in the Z direction by means of a pressure spring (4), that one of the cylinders (7) which slide within each other are connected in resilient and articulated manner to the frame (18) of the item of reclining or seating furniture via a frame connection plate (13), and that the rolling radius (R1) of the cup-shaped rolling members) (3, 8) is much greater than the semicircular radius (R2) of the entire inner rolling element (3, 6, 7, 8).
  2. A frame support according to Claim 1, characterised in that the frame support is provided with a cup-shaped rolling member (3, 8) at each of the two outer ends of the cylinders (6, 7) which slide within each other.
  3. A frame support according to Claim 1, characterised in that only the cylinder (6) remote from the frame (18) of the item of seating or reclining furniture has a cup-shaped rolling member (3) and the other cylinder (7) is movably connected to the frame connection plate (13) via a universal-joint suspension (16) and via a coupling group (17) provided with springs (9).
  4. A frame support according to one of Claims 1 to 3, characterised in that the cup-shaped rolling members (3, 8) are mounted movably and/or under spring pressure on the rolling plate (2).
  5. A frame support according to one of Claims 1 to 4, characterised in that the connection between the upper cylinder (7) of the frame support and the frame connection plate (13) is effected by means of a coupling group (12, 17) provided with springs (9), with one articulation point of the springs (9) being adjustable.
  6. A frame support according to one of Claims 1 to 5, characterised in that the rolling movement of the cup-shaped rolling member (8) is limited by a stop element (11).
EP97952701A 1996-12-18 1997-11-25 Adaptable frame carrier with freedom of movement along three axes for couches or seats Expired - Lifetime EP0954232B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19654500A DE19654500C1 (en) 1996-12-18 1996-12-18 Adjustable furniture frame with triple axis movement for lying and sitting
DE19654500 1996-12-18
PCT/DE1997/002823 WO1998026694A1 (en) 1996-12-18 1997-11-25 Adaptable frame carrier with freedom of movement along three axes for couches or seats

Publications (2)

Publication Number Publication Date
EP0954232A1 EP0954232A1 (en) 1999-11-10
EP0954232B1 true EP0954232B1 (en) 2001-10-10

Family

ID=7816308

Family Applications (1)

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EP97952701A Expired - Lifetime EP0954232B1 (en) 1996-12-18 1997-11-25 Adaptable frame carrier with freedom of movement along three axes for couches or seats

Country Status (10)

Country Link
US (1) US6206335B1 (en)
EP (1) EP0954232B1 (en)
JP (1) JP2001506149A (en)
AT (1) ATE206593T1 (en)
AU (1) AU747799B2 (en)
CA (1) CA2275395A1 (en)
DE (2) DE19654500C1 (en)
IL (1) IL130358A (en)
NZ (1) NZ335734A (en)
WO (1) WO1998026694A1 (en)

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DE4244657C2 (en) * 1992-03-27 1998-11-26 Josef Gloeckl Active dynamic seat device
DE4210097C2 (en) * 1992-03-27 2000-05-31 Josef Gloeckl Active dynamic seat device
DE4300425C2 (en) * 1993-01-09 1995-10-26 Ulrich Dipl Ing Huber Customizable swing table
DE19533558C1 (en) * 1995-09-11 1996-11-07 Walter Frese Active-dynamic seat apparatus
DE29709558U1 (en) * 1997-06-02 1997-09-18 Gloeckl Josef barstool

Also Published As

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JP2001506149A (en) 2001-05-15
DE19654500C1 (en) 1998-03-12
WO1998026694A1 (en) 1998-06-25
ATE206593T1 (en) 2001-10-15
AU5650198A (en) 1998-07-15
IL130358A0 (en) 2000-06-01
NZ335734A (en) 2001-04-27
DE59704903D1 (en) 2001-11-15
US6206335B1 (en) 2001-03-27
IL130358A (en) 2002-03-10
AU747799B2 (en) 2002-05-23
EP0954232A1 (en) 1999-11-10
CA2275395A1 (en) 1998-06-25

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