EP0826328B1 - A brake device for a movable part of a piece of furniture, particularly of upholstered furniture - Google Patents

A brake device for a movable part of a piece of furniture, particularly of upholstered furniture Download PDF

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Publication number
EP0826328B1
EP0826328B1 EP97112803A EP97112803A EP0826328B1 EP 0826328 B1 EP0826328 B1 EP 0826328B1 EP 97112803 A EP97112803 A EP 97112803A EP 97112803 A EP97112803 A EP 97112803A EP 0826328 B1 EP0826328 B1 EP 0826328B1
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EP
European Patent Office
Prior art keywords
brake
bearing block
sliding rail
crossbar
support frame
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
Application number
EP97112803A
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German (de)
French (fr)
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EP0826328A2 (en
EP0826328A3 (en
Inventor
Helge Fedderke
Christoph Hartmann
Reiner Moll
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Individual
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Individual
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03294Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03205Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/0325Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by means of clamps or friction locking members

Definitions

  • the invention relates to a braking device for a movable component of a furniture element, in particular a upholstered furniture element, with the features of Oberbegriffes of claim 1.
  • a furniture element in this sense are Wegund Reclining furniture with correspondingly movable components (armchair, upholstered chair, Easy chair, bus, train and airplane seats, reclining furniture).
  • a furniture element to which a braking device of the type in question realized can be is in particular a upholstered furniture element, namely a upholstered chair.
  • a furniture element is known in various embodiments (WO-A-95/25452).
  • a coupled backrest and seat adjustment realized with a connection mechanism between the Support frame, backrest and seat synchronous adjustment of backrest and seat from a highest, upright position, the sitting position, in one lowest, preferably also extended position, the lying position.
  • the seat performs a minor Motion that is a relevant translational component (shift component) - having.
  • a braking device between the seat and the support frame arranged, the one on the moving component, on the seat or possibly on the support frame mounted, usually made of metal slide rail and one of these associated Brake bearing block on the opposite component, ie on the support frame, or on the movable component, has.
  • An adjustment device on the brake bearing block is used to adjust the pressure exerted by the brake block on the slide rail Braking force (DE - U - 86 09 844).
  • the braking effect without an adjustment on the brake bearing block by one of in the beginning structurally given sliding friction between the bearing surfaces of Slide rail and brake block is realized (DE - U - 85 34 420).
  • the applied braking force can be up to blocking, possibly also to a form-fitting Blocking lead (DE - U - 86 09 844).
  • the invention is based on the object, the braking device in question To improve the way to solve the problems explained above.
  • the above-indicated object is in a first alternative in a braking device with the features of the preamble of claim 1 by the features of characterizing part of claim 1.
  • a systematic worked other braking device namely with a braking device with brake rollers.
  • sliding friction is replaced by rolling friction.
  • the object indicated above is in a second alternative in a braking device solved, in the invention, although with a similar braking device in principle Worked with braking surfaces, but this is particularly clever in the cross-beam on the support frame (or on the moving component) are integrated.
  • the braking devices shown in the drawing are intended and suitable for a movable component of a furniture element, in particular for a movable Component of a seating furniture element and in particular, as shown here namely. for the movable seat of a upholstered furniture element, in which a coupled backrest and seat adjustment is realized.
  • FIGS. 1 and 2 initially shows on the support frame. 1 of the here executed as upholstered chair furniture element a backrest 2 and a seat 3.
  • the backrest 2 is on the support frame 1 to a pivot bearing. 4 pivoted.
  • the backrest 2 is connected to the seat 3 at an angle over Swivel joint 5 pivotally connected.
  • a cross-beam 6, which carries the seat 3 there.
  • a slide rail 7. located at the front edge of the seat 3 in the area of Crossbar 6 on each side of the support frame 1 each have a slide 7. In the However, representation is only a slide 7 to see due to the direction of the shown view.
  • the seat 3 is a movable component of a furniture element, here just a upholstered chair
  • a brake pad block 8 is attached on the support frame 1, on the cross-beam 6, a brake pad block 8 is attached.
  • the brake bearing block 8 forms a sliding guide for the slide rail 7. Die Slide rail 7 thus slides in the transition from the sitting position in the lying position in Brake bearing block 8 with a given sliding friction.
  • the illustrated and insofar preferred embodiment shows this dashed lines on the brake bearing block 8 indicated a gag, the adjustment means 9 for setting the from Brake bearing block 8 forms on the slide rail 7 exerted braking force.
  • the slide bearing in the brake bearing block 8 for the slide 7 is stronger or less tense, so that the sliding resistance changes accordingly.
  • the movable component of the furniture element so the seat 3 of the Upholstered armchairs, adjust against a preselected force effect and with appropriate Design of the braking device from slide rail 7 and brake pad block 8 also fix or lock in certain positions.
  • FIG. 3 now shows a braking device for such a movable component 3 of a Furniture element, wherein the brake bearing block 8 two opposite each other Braking surfaces 10 of the slide rail 7 rolling brake rollers 11 has.
  • the braking the slide 7 with brake rollers 11 has the in the general part of the description explained advantages over the braking with flat superimposed Braking surfaces as realized in the prior art. Not only the adjustability of the Braking power is particularly sensitive, but also and in particular the star truck is greatly reduced. This makes high comfort demands when using a furniture element met with such a braking device.
  • This braking device can not only be used for seating furniture elements, although they are used there with particular expediency, especially for the seat becomes.
  • Such a braking device can also be used for other movable components of furniture elements, for example for a daybed with a movable headboard or a movable footboard.
  • the embodiment shows that the brake rollers 11, the slide rail 7 between lead yourself.
  • the brake rollers 11 not only as flat rollers, but for example also as wedge rolls, ie with a wedge-shaped or U-shaped circumferential Run groove. then with a correspondingly shaped slide 7 interact.
  • the slide 7 is U-shaped and the brake rollers 11 are adjustable from the inside to the U-legs.
  • the embodiment also shows that the brake rollers 11 in the brake bearing block. 8 ball bearings are.
  • a ball bearing of the brake rollers 11 has the advantage lower Friction resistance, which leads to an optimization of the Startruckes.
  • the brake rollers 11 coated with an elastomeric layer or of elastomeric material, in particular as Solid rubber rollers are executed.
  • these are elastically deformed in the support area - pressed - what the rolling resistance of the brake rollers 11 on the slide rail 7 depending on the pressing force increased or reduced. This is a particularly convenient, sensitive Setting the braking force guaranteed.
  • FIGS. 1 and 2 A second embodiment of a braking device will now be described with reference to FIG. 1, 2, 4 and 5 explained. The comments on FIGS. 1 and 2 may initially be referred to become.
  • this braking device is on the support frame 1 (or on the moving component) attached, designed as a hollow profile or as a pipe cross-beam 6 for integration used the braking device.
  • FIG. 4 shows two on the right aligned passage openings 12, of which here because of the representation Of course, only the front passage opening 12 can be seen, for the right-most Slide rail 7 and the left corresponding openings 12 for the left on Support frame 1 lying slide 7.
  • the slide rails 7 themselves are not shown here.
  • Fig. 5 shows in conjunction with Fig. 4, that here the brake pad block 8 in the cross-beam 6 is integrated. He is not placed on the cross-beam 6 as in Fig. 1 and 2 shown in the prior art, but disappears in the cross-beam 6.
  • the brake bearing block 8 is arranged in the cross-beam 6 and to led into the region of the openings 12 for the slide rail 7. Is in Fig. 5 for the right-hand sliding rail 7 shown, which can be left-ent speaking be provided.
  • the adjusting device 9 is also on the cross-se 6th arranged and presses to adjust the braking force the brake bearing block 8 inside the cross-beam 6 zoom in on the slide rail 7.
  • the brake bearing block 8 is displaceable in the interior of the cross-beam 6, this shift is realized by the adjusting device 9.
  • the embodiment is characterized by further characterized in that facing away from the brake bearing block 8 Side of the slide 7 in the crossbeam 6 a counter-bearing block 13 fixed is arranged. against the slide rail 7 can be pressed by the brake bearing block 8. at Tightening the adjuster 9 so the slide 7 is practically between clamped the braking surfaces of brake bearing block 8 and thrust block 13. ever friction coefficient then gives the desired braking effect.
  • the slide 7 could be designed as a flat rail and, so to speak be arranged "upright". Then would be relatively large braking surfaces the slide 7 result. A more sensitive setting is then possible.
  • the construction of the illustrated embodiment is designed so that the slide rail 7 designed as a flat rail and with its plane parallel to the longitudinal axis the cross-beam 6 is arranged. so that the brake bearing block 8 and, here so present, the counter-bearing block 13 on the narrow sides of the slide 7 attack.
  • the slide rail 7 is free from the brake bearing block 8, on the narrow sides the braking surfaces effective.
  • the embodiment shows that the adjusting device 9 in the cross-beam 6 has a wedge gear 14 coupled to the brake bearing block 8, the attached with an outside of the crossbeam 6 actuating knob 15th is pressed. It can be seen that in the cross-beam 8, an opening 16 is provided. in which the threaded rod of the wedge gear 14, the wall of the crossbeam. 6 interspersed, so that from the outside of the actuating knob 15 can be screwed. To allow the movement of the wedge gear 14 is on the opposite Side of the cross-beam 6, a further opening 16 'is provided, which is shown in FIG. 5 particularly clear.
  • Fig. 5 also shows that at the end of the cross-beam 6 a Insert body with internal thread 17 be-finds, the attachment of the cross-beam. 6 on the support frame I is used.
  • the counter bearing block 13 is connected thereto inwardly.
  • FIG. 5 shows the adjusting device 9 assigned to one end of the crossbeam 6 with the local slide 7.
  • a corresponding adjustment 9 could also be assigned at the other end of the other slide 7.
  • a uniform Brake force adjustment can be realized rather by the fact that with two slide rails 7 and brake bearing blocks 8 only one adjustment 9 on the crossbeam 6 is arranged, from which then both brake bearing blocks 8 are actuated. That is a preferred embodiment.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)
  • Braking Arrangements (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Support Devices For Sliding Doors (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Hinges (AREA)

Abstract

At least one brake bearing block (8) can be fitted on the support frame (1) or on the movable component part (3). The brake bearing block has two brake rollers (11), which roll on opposing brake surfaces (10) of the slide rail (7). The slide rail is of metal. The brake bearing block has a device (9) for the adjustment of the braking force exerted by the brake bearing block on the slide rail. The brake rollers guide the slide rail between them. The slide rail is U-shaped and the brake rollers are adjustable from the inside onto the U-arms. The brake rollers are supported on ball bearings in the brake bearing block.

Description

Die Erfindung betrifft eine Bremseinrichtung für ein bewegliches Bauteil eines Möbelelementes, insbesondere eines Polstermöbelelementes, mit den Merkmalen des Oberbegriffes von Anspruch 1. Unter einem Möbelelement in diesem Sinne sind Sitzund Liegemöbel mit entsprechend beweglichen Bauteilen zu verstehen (Sessel, Polstersessel, Ruhesessel, Bus-, Bahn- und Flugzeugsitze, Liegemöbel).The invention relates to a braking device for a movable component of a furniture element, in particular a upholstered furniture element, with the features of Oberbegriffes of claim 1. Under a furniture element in this sense are Sitzund Reclining furniture with correspondingly movable components (armchair, upholstered chair, Easy chair, bus, train and airplane seats, reclining furniture).

Ein Möbelelement, an dem eine Bremseinrichtung der in Rede stehenden Art verwirklicht werden kann, ist insbesondere ein Polstermöbelelement, nämlich ein Polstersessel. Ein solches Möbelelement ist in verschiedenen Ausführungsformen bekannt (WO - A - 95/25452). Für die hier dargestellten bekannten Polstermöbelelemente ist eine gekoppelte Rückenlehnen -und Sitzverstellung kennzeichnend. Diese Rückenlehnen - und Sitzverstellung realisiert mit einer Verbindungsmechanik zwischen dem Traggestell, der Rückenlehne und dem Sitz eine synchrone Verstellung von Rückenlehne und Sitz aus einer höchsten, aufgerichteten Position, der Sitzstellung, in eine niedrigste, vorzugsweise auch weiter gestreckte Position, die Liegestellung. Bei der Bewegung aus der Sitzstellung in die Liegestellung führt der Sitz eine geringfügige Bewegung aus, die eine maßgebliche translatorische Komponente (Verschiebe-Komponente) - aufweist.A furniture element to which a braking device of the type in question realized can be, is in particular a upholstered furniture element, namely a upholstered chair. Such a furniture element is known in various embodiments (WO-A-95/25452). For the known upholstered furniture elements shown here is featuring a coupled backrest and seat adjustment. These backrests - and seat adjustment realized with a connection mechanism between the Support frame, backrest and seat synchronous adjustment of backrest and seat from a highest, upright position, the sitting position, in one lowest, preferably also extended position, the lying position. In the Moving from the sitting position to the reclining position, the seat performs a minor Motion that is a relevant translational component (shift component) - having.

Um die Verschiebebewegung des Sitzes nicht unkontrolliert zu erlauben, sondern kontrollierbar zu machen, ist eine Bremseinrichtung zwischen Sitz und Traggestell angeordnet, die eine am beweglichen Bauteil, am Sitz. oder ggf. auch am Traggestell angebrachte, normalerweise aus Metall bestehende Gleitschiene und einen dieser zugeordneten Bremslagerblock am gegenüberliegenden Bauteil, also am Traggestell, oder auch am beweglichen Bauteil, aufweist. Eine Einstelleinrichtung am Bremslagerblock dient der Einstellung der vom Bremslagerblock auf die Gleitschiene ausgeübten Bremskraft (DE - U - 86 09 844). Gegebenenfalls ist auch vorgesehen, daß die Bremswirkung ohne eine Einstelleinrichtung am Bremslagerblock durch eine von vornherein konstruktiv vorgegebene Gleitreibung zwischen den Lagerflächen von Gleitschiene und Bremslagerblock realisiert wird (DE - U - 85 34 420). To not allow the sliding movement of the seat uncontrolled, but To make controllable, is a braking device between the seat and the support frame arranged, the one on the moving component, on the seat or possibly on the support frame mounted, usually made of metal slide rail and one of these associated Brake bearing block on the opposite component, ie on the support frame, or on the movable component, has. An adjustment device on the brake bearing block is used to adjust the pressure exerted by the brake block on the slide rail Braking force (DE - U - 86 09 844). Optionally, it is also provided that the braking effect without an adjustment on the brake bearing block by one of in the beginning structurally given sliding friction between the bearing surfaces of Slide rail and brake block is realized (DE - U - 85 34 420).

Die ausgeübte Bremskraft kann bis zur Blockierung, ggf. auch zu einer formschlüssigen Blockierung führen (DE - U - 86 09 844).The applied braking force can be up to blocking, possibly also to a form-fitting Blocking lead (DE - U - 86 09 844).

Ein Problem ist bei allen bislang bekannten Bremseinrichtungen der in Rede stehenden Art, daß die Bremskraft nicht feinfühlig genug eingestellt werden kann und, insbesondere, daß beim Beginn einer Verstellbewegung ein erheblicher Widerstand zu überwinden ist, wenn nämlich Haftreibung in Gleitreibung übergeht (Startruck). Außerdem läßt sich die Einstellung häufig nur schwierig vornehmen.A problem with all braking devices known to date is in question Kind, that the braking force can not be adjusted sensitively enough and, in particular, that at the beginning of an adjustment a considerable resistance to overcome, namely, if static friction in sliding friction passes (Startruck). In addition the adjustment can often be difficult to make.

Gerade für Sitzmöbelelemente mit einer gekoppelten Rückenlehnen- und Sitzverstellung, bei denen es auf die durch Gewichtsverlagerung leicht zu ändernde Körperstellung ankommt, stellen die zuvor erläuterten Schwierigkeiten bekannter Bremseinrichtungen einen beachtlichen Komfortnachteil dar.Especially for seating furniture elements with a coupled backrest and seat adjustment, where it is on the easy to change position by weight shift arrives, make the previously discussed difficulties known braking devices a considerable comfort disadvantage.

Der Erfindung liegt die Aufgabe zugrunde, die Bremseinrichtung der in Rede stehenden Art zur Lösung der zuvor erläuterten Probleme zu verbessern.The invention is based on the object, the braking device in question To improve the way to solve the problems explained above.

Die zuvor aufgezeigte Aufgabe ist in einer ersten Alternative bei einer Bremseinrichtung mit den Merkmalen des Oberbegriffes von Anspruch 1 durch die Merkmale des kennzeichnenden Teils von Anspruch 1 gelöst. Erfindungsgemäß wird mit einer systematisch anderen Bremseinrichtung gearbeitet, nämlich mit einer Bremseinrichtung mit Bremsrollen. Hier wird Gleitreibung durch Rollreibung ersetzt. Dies führt zu einer wesentlich feinfühligeren Einstellbarkeit der Bremskraft. Insbesondere führt dies aber dazu, daß der Startruck nachhaltig reduziert wird. Lediglich die in der Lagerung der Bremsrollen noch vorhandene Haftreibung, die aber auf ein Minimum reduziert werden kann, ist dabei zu überwinden, um anschließend nur noch Rollreibung zu realisieren.The above-indicated object is in a first alternative in a braking device with the features of the preamble of claim 1 by the features of characterizing part of claim 1. According to the invention with a systematic worked other braking device, namely with a braking device with brake rollers. Here, sliding friction is replaced by rolling friction. This leads to a much more sensitive adjustment of the braking force. In particular, however, this leads to ensure that the starter truck is sustainably reduced. Only in the storage of Brake rollers still existing static friction, which are reduced to a minimum can, must be overcome in order to then realize only rolling friction.

Die zuvor aufgezeigte Aufgabe ist in einer zweiten Alternative bei einer Bremseinrichtung gelöst, bei der erfindungsgemäß zwar mit einer im Prinzip ähnlichen Bremseinrichtung mit Bremsflächen gearbeitet wird, diese wird aber besonders geschickt in die Quertraverse am Traggestell (oder am beweglichen Bauteil) integriert werden. The object indicated above is in a second alternative in a braking device solved, in the invention, although with a similar braking device in principle Worked with braking surfaces, but this is particularly clever in the cross-beam on the support frame (or on the moving component) are integrated.

Bevorzugte Ausgestaltungen und Weiterbildungen der Lehre der vorliegenden Patentanmeldung sind Gegenstand der dem jeweiligen unabhängigen Anspruch nachgeordneten Unteransprüche.Preferred embodiments and further developments of the teaching of the present patent application are the subject of the respective independent claim subordinate Dependent claims.

Nachfolgend werden bevorzugte Ausführungsbeispiele der Erfindung anhand der Zeichnung näher erläutert. In der Zeichnung zeigt

Fig. 1
ein Ausführungsbeispiel eines aus dem Stand der Technik bekannten Sitzmöbelelementes in Sitzstellung.
Fig. 2
das Sitzmöbelelement aus Fig. 1 in Liegestellung,
Fig. 3
in vergrößerter Darstellung, schematisch die Bremseinrichtung des Sitzmöbelelementes aus Fig. 1 und Fig. 2 in der Ausführungsform mit zwischen Bremsrollen geführten Gleitschienen.
Fig. 4
schematisch, eine Quertraverse für ein Möbelelement mit einer weiteren Alternative einer Bremseinrichtung,
Fig. 5
die Bremseinrichtung in der Quertraverse aus Fig. 4, teilweise geschnitten.
Hereinafter, preferred embodiments of the invention will be explained in more detail with reference to the drawing. In the drawing shows
Fig. 1
an embodiment of a known from the prior art seating furniture element in sitting position.
Fig. 2
the seating furniture element of FIG. 1 in lying position,
Fig. 3
in an enlarged view, schematically the braking device of the seat furniture element of Fig. 1 and Fig. 2 in the embodiment with guided between brake rollers slide rails.
Fig. 4
schematically, a cross-beam for a furniture element with a further alternative of a braking device,
Fig. 5
the braking device in the cross-beam of Fig. 4, partially cut.

Die in der Zeichnung dargestellten Bremseinrichtungen sind bestimmt und geeignet für ein bewegliches Bauteil eines Möbelelementes, insbesondere für ein bewegliches Bauteil eines Sitzmöbelelementes und ganz insbesondere, wie hier nämlich dargestellt. für den beweglichen Sitz eines Polstermöbelelementes, bei dem eine gekoppelte Rükkenlehnen- und Sitzverstellung realisiert ist.The braking devices shown in the drawing are intended and suitable for a movable component of a furniture element, in particular for a movable Component of a seating furniture element and in particular, as shown here namely. for the movable seat of a upholstered furniture element, in which a coupled backrest and seat adjustment is realized.

Das in Fig. 1 und 2 dargestellte Ausführungsbeispiel zeigt zunächst am Traggestell 1 des hier als Polstersessel ausgeführten Sitzmöbelelementes eine Rückenlehne 2 und einen Sitz 3. Die Rückenlehne 2 ist am Traggestell 1 an einem Schwenklager 4 schwenkbar gelagert. Die Rückenlehne 2 ist mit dem Sitz 3 im Winkel über ein Schwenkgelenk 5 schwenkbar verbunden. Am vorderen Rand des Sitzes 3 befindet sich unter dem Sitz 3 im Traggestell 1 eine Quertraverse 6, die den Sitz 3 dort trägt. An der Unterseite des Sitzes 3 befindet sich im Bereich der Quertraverse 6 eine Gleitschiene 7. Genau gesagt befindet sich am vorderen Rand des Sitzes 3 im Bereich der Quertraverse 6 an jeder Seite des Traggestells 1 jeweils eine Gleitschiene 7. In der Darstellung ist jedoch nur eine Gleitschiene 7 zu sehen aufgrund der Richtung der gezeigten Ansicht.The embodiment shown in FIGS. 1 and 2 initially shows on the support frame. 1 of the here executed as upholstered chair furniture element a backrest 2 and a seat 3. The backrest 2 is on the support frame 1 to a pivot bearing. 4 pivoted. The backrest 2 is connected to the seat 3 at an angle over Swivel joint 5 pivotally connected. Located at the front edge of the seat 3 below the seat 3 in the support frame 1, a cross-beam 6, which carries the seat 3 there. At the bottom of the seat 3 is located in the region of the crossbeam 6, a slide rail 7. Specifically, located at the front edge of the seat 3 in the area of Crossbar 6 on each side of the support frame 1 each have a slide 7. In the However, representation is only a slide 7 to see due to the direction of the shown view.

Der Sitz 3 stellt ein bewegliches Bauteil eines Möbelelementes, hier eben eines Polstersessels dar. Am Traggestell 1, an der Quertraverse 6, ist ein Bremslagerblock 8 angebracht. Der Bremslagerblock 8 bildet eine Gleitführung für die Gleitschiene 7. Die Gleitschiene 7 gleitet also beim Übergang von der Sitzstellung in die Liegestellung im Bremslagerblock 8 mit einer vorgegebenen Gleitreibung. Das dargestellte und insoweit bevorzugte Ausführungsbeispiel zeigt dazu am Bremslagerblock 8 gestrichelt angedeutet einen Knebel, der eine Einstelleinrichtung 9 zur Einstellung der vom Bremslagerblock 8 auf die Gleitschiene 7 ausgeübten Bremskraft bildet. Mit diesem Knebel wird das Gleitlager im Bremslagerblock 8 für die Gleitschiene 7 stärker oder weniger stark gespannt, so daß sich der Gleitwiderstand entsprechend ändert. Auf diese Weise läßt sich das bewegliche Bauteil des Möbelelementes, also der Sitz 3 des Polstersessels, gegen eine vorwählbare Kraftwirkung verstellen und bei entsprechender Gestaltung der Bremseinrichtung aus Gleitschiene 7 und Bremslagerblock 8 auch in bestimmten Positionen fixieren oder arretieren.The seat 3 is a movable component of a furniture element, here just a upholstered chair On the support frame 1, on the cross-beam 6, a brake pad block 8 is attached. The brake bearing block 8 forms a sliding guide for the slide rail 7. Die Slide rail 7 thus slides in the transition from the sitting position in the lying position in Brake bearing block 8 with a given sliding friction. The illustrated and insofar preferred embodiment shows this dashed lines on the brake bearing block 8 indicated a gag, the adjustment means 9 for setting the from Brake bearing block 8 forms on the slide rail 7 exerted braking force. With this Toggle the slide bearing in the brake bearing block 8 for the slide 7 is stronger or less tense, so that the sliding resistance changes accordingly. On This way, the movable component of the furniture element, so the seat 3 of the Upholstered armchairs, adjust against a preselected force effect and with appropriate Design of the braking device from slide rail 7 and brake pad block 8 also fix or lock in certain positions.

Fig. 3 zeigt nun eine Bremseinrichtung für ein solches bewegliches Bauteil 3 eines Möbelelementes, bei der der Bremslagerblock 8 zwei aneinander gegenüberliegenden Bremsflächen 10 der Gleitschiene 7 abrollende Bremsrollen 11 aufweist. Die Bremsung der Gleitschiene 7 mit Bremsrollen 11 hat die im allgemeinen Teil der Beschreibung erläuterten Vorteile gegenüber der Bremsung mit flächig aufeinanderliegenden Bremsflächen wie im Stand der Technik realisiert. Nicht nur die Einstellbarkeit der Bremskraft ist besonders feinfühlig, sondern auch und insbesondere der Startruck ist stark reduziert. Dadurch werden hohe Komfortansprüche bei Benutzung eines Möbelelementes mit einer solchen Bremseinrichtung erfüllt.3 now shows a braking device for such a movable component 3 of a Furniture element, wherein the brake bearing block 8 two opposite each other Braking surfaces 10 of the slide rail 7 rolling brake rollers 11 has. The braking the slide 7 with brake rollers 11 has the in the general part of the description explained advantages over the braking with flat superimposed Braking surfaces as realized in the prior art. Not only the adjustability of the Braking power is particularly sensitive, but also and in particular the star truck is greatly reduced. This makes high comfort demands when using a furniture element met with such a braking device.

Diese Bremseinrichtung kann nicht nur bei Sitzmöbelelementen eingesetzt werden, wiewohl sie dort mit besonderer Zweckmäßigkeit insbesondere für den Sitz eingesetzt wird. Eine solche Bremseinrichtung läßt sich auch für andere bewegliche Bauteile von Möbelelementen, beispielsweise für eine Liege mit einem beweglichen Kopfteil oder einem beweglichen Fußteil einsetzen.This braking device can not only be used for seating furniture elements, although they are used there with particular expediency, especially for the seat becomes. Such a braking device can also be used for other movable components of furniture elements, for example for a daybed with a movable headboard or a movable footboard.

Das Ausführungsbeispiel zeigt, daß die Bremsrollen 11 die Gleitschiene 7 zwischen sich führen. Dabei können die Bremsrollen 11 nicht nur als Flachrollen, sondern beispielsweise auch als Keilrollen, also mit einer keilförmigen oder U-förmigen umlaufenden Rille ausgeführt sein. die dann mit einer entsprechend ausgeformten Gleitschiene 7 zusammenwirken. Als Alternative, die hier jedoch nicht dargestellt ist, könnte man sich auch vorstellen, daß die Gleitschiene 7 U-förmig gestaltet ist und die Bremsrollen 11 von innen an die U-Schenkel anstellbar sind.The embodiment shows that the brake rollers 11, the slide rail 7 between lead yourself. In this case, the brake rollers 11 not only as flat rollers, but for example also as wedge rolls, ie with a wedge-shaped or U-shaped circumferential Run groove. then with a correspondingly shaped slide 7 interact. As an alternative, which is not shown here, one could also imagine that the slide 7 is U-shaped and the brake rollers 11 are adjustable from the inside to the U-legs.

Das Ausführungsbeispiel zeigt ferner, daß die Bremsrollen 11 im Bremslagerblock 8 kugelgelagert sind. Eine Kugellagerung der Bremsrollen 11 hat den Vorteil niedrigeren Reibungswiderstandes, was zu einer Optimierung des Startruckes führt.The embodiment also shows that the brake rollers 11 in the brake bearing block. 8 ball bearings are. A ball bearing of the brake rollers 11 has the advantage lower Friction resistance, which leads to an optimization of the Startruckes.

Weiter ist im vorliegenden Ausführungsbeispiel vorgesehen, daß die Bremsrollen 11 mit einer Elastomerschicht beschi-chtet oder aus Elastomermaterial, insbesondere als Vollgummirollen, ausgeführt sind. Durch die Andruckkraft der Bremsrollen 11 auf der Gleitschiene 7 werden diese im Auflagebereich elastisch verformt - eingedrückt - was den Rollwiderstand der Brems-rollen 11 auf der Gleitschiene 7 abhängig von der Andruckkraft erhöht bzw. ver-ringert. Damit ist eine besonders zweckmäßige, feinfühlige Einstellung der Bremskraftwirkung gewährleistet.Further, it is provided in the present embodiment that the brake rollers 11 coated with an elastomeric layer or of elastomeric material, in particular as Solid rubber rollers are executed. By the pressing force of the brake rollers 11 on the Guide rail 7, these are elastically deformed in the support area - pressed - what the rolling resistance of the brake rollers 11 on the slide rail 7 depending on the pressing force increased or reduced. This is a particularly convenient, sensitive Setting the braking force guaranteed.

Zuvor ist schon angedeutet worden, daß es besonders zweckmäßig ist, wenn die Vorspannung der Bremsrollen 11 bezüglich der Gleitschiene 7 einstellbar ist. Dazu können die Bremsrollen 11 vorzugsweise im Bremslagerblock 8 bezüglich der Gleitschiene 7 verstellbar sein. Dies ist angedeutet durch die gestrichelt dargestellte Einstelleinrichtung 9, mit der die untere Bremsrolle 11 in dem Bremslagerblock 8 gegenüber der oberen, über der Gleitschiene 7 postierten Bremsrolle 11 verschoben werden kann. Nicht dargestellt ist dabei die Möglichkeit, die Einstelleinrichtung 9 mit einem eigenen Federelement zu versehen, das seinerseits eine elastische Koppelung innerhalb der Einstelleinrichtung 9 realisiert. Previously, it has already been suggested that it is particularly useful when the bias the brake rollers 11 with respect to the slide rail 7 is adjustable. Can do this the brake rollers 11 preferably in the brake bearing block 8 with respect to the slide rail 7 be adjustable. This is indicated by the setting device shown in dashed lines 9, with the lower brake roller 11 in the brake bearing block 8 opposite the upper, over the slide rail 7 posted brake roller 11 are moved can. Not shown is the possibility of the adjustment 9 with a own spring element to provide, in turn, an elastic coupling within realized the adjustment 9.

Möglich ist auch eine Einstellbarkeit des Rollwiderstandes der Bremsrollen 11 beispielsweise durch entsprechende Verspannung der Lager.Also possible is an adjustability of the rolling resistance of the brake rollers 11, for example by appropriate tension of the bearings.

Ein zweites Ausführungsbeispiel einer Bremseinrichtung wird nun anhand der Fig. 1, 2, 4 und 5 erläutert. Auf die Erläuterungen zu Fig. 1 und 2 darf zunächst verwiesen werden.A second embodiment of a braking device will now be described with reference to FIG. 1, 2, 4 and 5 explained. The comments on FIGS. 1 and 2 may initially be referred to become.

Bei dieser Bremseinrichtung wird die am Traggestell 1 (oder am beweglichen Bauteil) angebrachte, als Hohlprofil bzw. als Rohr ausgeführte Quertraverse 6 zur Integration der Bremseinrichtung genutzt. Dazu ist, hier in Fig. 4 besonders gut zu erkennen, zunächst vorgesehen, daß die Quertraverse 6 Durchtrittsöffnungen 12 für die Gleitschiene 7 aufweist, die so die Quertraverse 6 durchsetzt. Fig. 4 zeigt rechts zwei miteinander fluchtende Durchtrittsöffnungen 12, von denen hier wegen der Darstellung natürlich nur die vordere Durchtrittsöffnung 12 zu sehen ist, für die rechts liegende Gleitschiene 7 und links entsprechende Durchtrittsöffnungen 12 für die links am Traggestell 1 liegende Gleitschiene 7. Die Gleitschienen 7 selbst sind hier nicht dargestellt.In this braking device is on the support frame 1 (or on the moving component) attached, designed as a hollow profile or as a pipe cross-beam 6 for integration used the braking device. For this purpose, it can be seen particularly clearly here in FIG. 4, initially provided that the cross-beam 6 through openings 12 for the slide 7, which passes through the cross-beam 6 so. Fig. 4 shows two on the right aligned passage openings 12, of which here because of the representation Of course, only the front passage opening 12 can be seen, for the right-most Slide rail 7 and the left corresponding openings 12 for the left on Support frame 1 lying slide 7. The slide rails 7 themselves are not shown here.

Fig. 5 zeigt in Verbindung mit Fig. 4, daß hier der Bremslagerblock 8 in die Quertraverse 6 integriert ist. Er befindet sich nicht aufgesetzt auf die Quertraverse 6 wie in Fig. 1 und 2 aus dem Stand der Technik gezeigt, sondern verschwindet in der Quertraverse 6. Dazu ist der Bremslagerblock 8 in der Quertraverse 6 angeordnet und bis in den Bereich der Durchtrittsöffnungen 12 für die Gleitschiene 7 geführt. Das ist in Fig. 5 für die rechts befindliche Gleitschiene 7 dargestellt, das kann links ent-sprechend vorgesehen sein. Die Einstelleinrichtung 9 ist ebenfalls an der Quertraver-se 6 angeordnet und drückt zur Einstellung der Bremskraft den Bremslagerblock 8 im Inneren der Quertraverse 6 an die Gleitschiene 7 heran.Fig. 5 shows in conjunction with Fig. 4, that here the brake pad block 8 in the cross-beam 6 is integrated. He is not placed on the cross-beam 6 as in Fig. 1 and 2 shown in the prior art, but disappears in the cross-beam 6. For this purpose, the brake bearing block 8 is arranged in the cross-beam 6 and to led into the region of the openings 12 for the slide rail 7. Is in Fig. 5 for the right-hand sliding rail 7 shown, which can be left-ent speaking be provided. The adjusting device 9 is also on the cross-se 6th arranged and presses to adjust the braking force the brake bearing block 8 inside the cross-beam 6 zoom in on the slide rail 7.

Der Bremslagerblock 8 ist im Inneren der Quertraverse 6 verschiebbar, diese Verschiebung wird durch die Einstelleinrichtung 9 realisiert. Das Ausführungsbeispiel zeichnet sich dabei weiter dadurch aus, daß auf der von dem Bremslagerblock 8 abgewandten Seite der Gleitschiene 7 in der Quertraverse 6 ein Gegenlagerblock 13 fest angeordnet ist. gegen den die Gleitschiene 7 vom Bremslagerblock 8 drückbar ist. Bei Anziehen der Einstelleinrichtung 9 wird also die Gleitschiene 7 praktisch zwischen den Bremsflächen von Bremslagerblock 8 und Gegenlagerblock 13 eingespannt. Je nach Reibungszahl ergibt sich dann die gewünschte Bremswirkung.The brake bearing block 8 is displaceable in the interior of the cross-beam 6, this shift is realized by the adjusting device 9. The embodiment is characterized by further characterized in that facing away from the brake bearing block 8 Side of the slide 7 in the crossbeam 6 a counter-bearing block 13 fixed is arranged. against the slide rail 7 can be pressed by the brake bearing block 8. at Tightening the adjuster 9 so the slide 7 is practically between clamped the braking surfaces of brake bearing block 8 and thrust block 13. ever friction coefficient then gives the desired braking effect.

Im Grundsatz könnte die Gleitschiene 7 als Flachschiene ausgeführt und gewissermaßen "hochkant" angeordnet sein. Dann würden sich relativ große Bremsflächen an der Gleitschiene 7 ergeben. Eine feinfühligere Einstellung ist jedoch dann möglich. wenn die Konstruktion des dargestellten Ausführungsbeispiels so gestaltet ist, daß die Gleitschiene 7 als Flachschiene ausgeführt und mit ihrer Ebene parallel zur Längsachse der Quertraverse 6 angeordnet ist. so daß der Bremslagerblock 8 und, hier so vorhanden, der Gegenlagerblock 13 an den Schmalseiten der Gleitschiene 7 angreifen. Man erkennt das gut in Fig. 5. An den Oberseiten und Unterseiten der Gleitschiene 7 ist die Gleitschiene 7 frei vom Bremslagerblock 8, an den Schmalseiten sind die Bremsflächen wirksam.In principle, the slide 7 could be designed as a flat rail and, so to speak be arranged "upright". Then would be relatively large braking surfaces the slide 7 result. A more sensitive setting is then possible. when the construction of the illustrated embodiment is designed so that the slide rail 7 designed as a flat rail and with its plane parallel to the longitudinal axis the cross-beam 6 is arranged. so that the brake bearing block 8 and, here so present, the counter-bearing block 13 on the narrow sides of the slide 7 attack. One recognizes this well in Fig. 5. At the tops and bottoms of the slide rail 7, the slide rail 7 is free from the brake bearing block 8, on the narrow sides the braking surfaces effective.

Es ist noch nichts darüber ausgesagt worden, wie die Krafteinwirkung von der Ein-Stelleinrichtung 9 auf den Bremslagerblock 8 geschieht. Hier gibt es eine Vielzahl von Möglichkeiten. Das Ausführungsbeispiel zeigt dabei, daß die Einstelleinrichtung 9 in der Quertraverse 6 ein mit dem Bremslagerblock 8 gekuppeltes Keilgetriebe 14 aufweist, das mit einem außen an der Quertraverse 6 angebrachten Betätigungsknebel 15 betätigt wird. Man erkennt, daß in der Quertraverse 8 eine Öffnung 16 vorgesehen ist. in der die Gewindestange des Keilgetriebes 14 die Wandung der Quertraverse 6 durchsetzt, so daß von außen der Betätigungsknebel 15 aufgeschraubt werden kann. Um die Bewegung des Keilgetriebes 14 zu erlauben, ist auf der gegenüberliegenden Seite der Quertraverse 6 eine weitere Öffnung 16' vorgesehen, das zeigt Fig. 5 besonders deutlich. Fig. 5 läßt ferner erkennen, daß sich am Ende der Quertraverse 6 ein Einsatzkörper mit Innengewinde 17 be-findet, der der Befestigung der Quertraverse 6 am Traggestell I dient. Nach innen hin ist hieran der Gegenlagerblock 13 angeschlossen.Nothing has yet been said about it, such as the force from the one-stop device 9 happens to the brake bearing block 8. There are a variety of Options. The embodiment shows that the adjusting device 9 in the cross-beam 6 has a wedge gear 14 coupled to the brake bearing block 8, the attached with an outside of the crossbeam 6 actuating knob 15th is pressed. It can be seen that in the cross-beam 8, an opening 16 is provided. in which the threaded rod of the wedge gear 14, the wall of the crossbeam. 6 interspersed, so that from the outside of the actuating knob 15 can be screwed. To allow the movement of the wedge gear 14 is on the opposite Side of the cross-beam 6, a further opening 16 'is provided, which is shown in FIG. 5 particularly clear. Fig. 5 also shows that at the end of the cross-beam 6 a Insert body with internal thread 17 be-finds, the attachment of the cross-beam. 6 on the support frame I is used. The counter bearing block 13 is connected thereto inwardly.

Fig. 5 zeigt die Einstelleinrichtung 9 zugeordnet dem einen Ende der Quertraverse 6 mit der dortigen Gleitschiene 7. Ein entsprechende Einstelleinrichtung 9 könnte auch am anderen Ende der anderen Gleitschiene 7 zugeordnet sein. Eine gleichmäßige Bremskrafteinstellung läßt sich jedoch eher dadurch realisieren, daß bei zwei Gleitschienen 7 und Bremslagerblöcken 8 nur eine Einstelleinrichtung 9 an der Quertraverse 6 angeordnet ist, von der aus dann beide Bremslagerblöcke 8 betätigt werden. Das ist eine bevorzugte Ausführungsform.FIG. 5 shows the adjusting device 9 assigned to one end of the crossbeam 6 with the local slide 7. A corresponding adjustment 9 could also be assigned at the other end of the other slide 7. A uniform Brake force adjustment, however, can be realized rather by the fact that with two slide rails 7 and brake bearing blocks 8 only one adjustment 9 on the crossbeam 6 is arranged, from which then both brake bearing blocks 8 are actuated. That is a preferred embodiment.

Claims (10)

  1. Brake device for a movable part of a piece of furniture, particularly of upholstered furniture, having a support frame (1),
    having a sliding rail (7), preferably of metal attached either to the movable part (3) or to the support frame (1) and
    having a brake-bearing block (8) attached to either the support frame (1) or the movable part (3),
    wherein, preferably, an adjusting device (9) is provided on the brake-bearing block (8) for adjusting the braking force applied to the sliding rail (7) by the brake-bearing block (8),
    characterized in that the brake-bearing block (8) has two brake wheels (11) that roll in the braking areas (10) located opposite one another of the sliding rail (7).
  2. Brake device according to claim 1, characterized in that the sliding rail (7) is located between the brake wheels (11).
  3. Brake device according to claim 2, characterized in that the brake wheels (11) are formed as wedge rollers having a wedge-shaped, "U"-shaped or other tapered perimeter that roll on the sliding rail (7) having a corresponding cross-section.
  4. Brake device according to claim 1, characterized in that the sliding rail (7) is "U"-shaped and the brake wheels (11) can be placed on the "U" from the inside.
  5. Brake device according to any one of claims 1 to 3, characterized in that the brake wheels (11) have a ball bearing in the brake-bearing block (8) and/or that the brake wheels (11) are coated with an elastomer layer or are made of elastomer, in particular are completely of rubber and/or that the prestress of the brake wheels (11) is adjustable in respect to the sliding rail (7).
  6. Brake device according to any one of claims 1 to 5, characterized in that the brake wheels (11) are adjustable in the brake-bearing block (8) relative to the sliding rail (7) and/or that the roll resistance of the brake wheels (11) is adjustable and/or that only one brake wheel (11) is adjustable in the brake-bearing block (8) while the other brake wheel (11) is arranged in a fixed manner.
  7. Brake device for a movable part of a piece of furniture, particularly of upholstered furniture, having a support frame (1),
    having a crossbar (6) arranged on the support frame (1) or on the movable part (3) and designed with a continuous hollow profile or as a pipe,
    having a sliding rail (7), preferably of metal attached either to the movable part (3) or to the support frame (1) and
    having a brake-bearing block (8) attached to either the support frame (1) or the movable part (3),
    having an adjusting device (9) for adjusting the braking force applied to the sliding rail (7) by the brake-bearing block (8),
    characterized in that the crossbar (6) has passage openings (12) for the sliding rail (7), which is set through the crossbar (6),
    that the brake-bearing block (8) is integrated in the crossbar (6), namely is arranged in the crossbar (6) and reaches into the area of the passage openings (12) for the sliding rail (7) and
    that the adjusting device (9) is also arranged on the crossbar (6) and pushes on the sliding rail (7) inside the crossbar (6) in order to adjust the braking force of the brake-bearing block (8).
  8. Brake device according to claim 7, characterized in that a thrust bearing block (13) is arranged in a fixed manner on the sliding rail (7) in the crossbar (6) on the side opposite the brake-bearing block (8), wherein the sliding rail (7) can be pressed against this thrust bearing block (13) by the brake-bearing block (8).
  9. Brake device according to claim 7 or 8, characterized in that the sliding rail (7) is designed as a flat-headed rail and is arranged with its flat area parallel to the longitudinal axis of the crossbar (6), so that the brake-bearing block (8) and, possibly the thrust bearing block (13) grip(s) onto the narrow side of the sliding rail (7).
  10. Brake device according to any one of claims 7 to 9, characterized in that the adjusting device (9) has a wedge-type gearing (14) coupled with the brake-bearing block (8) in the crossbar (6), wherein the wedge-type gearing (14) is operated with an operating knob (15) located on the exterior of the crossbar (6) and/or that on the crossbar (6), there is only one adjusting device (9) that operates both brake-bearing blocks (8) when there are two sliding rails (7) and brake-bearing blocks (8).
EP97112803A 1996-08-29 1997-07-25 A brake device for a movable part of a piece of furniture, particularly of upholstered furniture Expired - Lifetime EP0826328B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19634807 1996-08-29
DE19634807 1996-08-29
DE19638075 1996-09-18
DE19638075A DE19638075C1 (en) 1996-08-29 1996-09-18 Braking device for a movable component of a furniture element, in particular upholstered furniture element

Publications (3)

Publication Number Publication Date
EP0826328A2 EP0826328A2 (en) 1998-03-04
EP0826328A3 EP0826328A3 (en) 2000-01-12
EP0826328B1 true EP0826328B1 (en) 2003-04-02

Family

ID=26028836

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97112803A Expired - Lifetime EP0826328B1 (en) 1996-08-29 1997-07-25 A brake device for a movable part of a piece of furniture, particularly of upholstered furniture

Country Status (7)

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US (1) US6039154A (en)
EP (1) EP0826328B1 (en)
JP (1) JPH10146237A (en)
CN (1) CN1119101C (en)
AT (1) ATE235849T1 (en)
CA (1) CA2211891C (en)
DE (2) DE19638075C1 (en)

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DE202005000463U1 (en) 2005-01-12 2005-03-17 Erpo Man Gmbh Braking device for a movable component of a furniture element
NZ613957A (en) * 2008-12-12 2015-03-27 Formway Furniture Ltd A chair, a support, and components
JP5510994B2 (en) * 2009-09-07 2014-06-04 シロキ工業株式会社 Perched
TWM588476U (en) * 2019-08-01 2020-01-01 林長貞 Chair seat slide locking mechanism for chairs
KR102199892B1 (en) * 2019-08-20 2021-01-08 창-첸 린 Chair seat sliding and locking mechanism

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Also Published As

Publication number Publication date
US6039154A (en) 2000-03-21
DE19638075C1 (en) 1998-02-26
CA2211891A1 (en) 1998-02-28
CA2211891C (en) 2002-01-22
MX9706553A (en) 1998-07-31
DE59709672D1 (en) 2003-05-08
ATE235849T1 (en) 2003-04-15
CN1180506A (en) 1998-05-06
JPH10146237A (en) 1998-06-02
EP0826328A2 (en) 1998-03-04
EP0826328A3 (en) 2000-01-12
CN1119101C (en) 2003-08-27

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