DE4204008C1 - Articulated bracket for height adjustable support of equipment, e.g. computer monitor - has equipment support element coupled to wall bracket via frame contg. gas pressure spring with hinge points located at either end of frame - Google Patents

Articulated bracket for height adjustable support of equipment, e.g. computer monitor - has equipment support element coupled to wall bracket via frame contg. gas pressure spring with hinge points located at either end of frame

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Publication number
DE4204008C1
DE4204008C1 DE4204008A DE4204008A DE4204008C1 DE 4204008 C1 DE4204008 C1 DE 4204008C1 DE 4204008 A DE4204008 A DE 4204008A DE 4204008 A DE4204008 A DE 4204008A DE 4204008 C1 DE4204008 C1 DE 4204008C1
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DE
Germany
Prior art keywords
elements
cheeks
articulated arm
equipment
hinge points
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 - Fee Related
Application number
DE4204008A
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German (de)
Inventor
Guenther 2300 Kiel De Krueger
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Individual
Original Assignee
Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to DE4204008A priority Critical patent/DE4204008C1/en
Application granted granted Critical
Publication of DE4204008C1 publication Critical patent/DE4204008C1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/2092—Undercarriages with or without wheels comprising means allowing depth adjustment, i.e. forward-backward translation of the head relatively to the undercarriage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/04—Balancing means
    • F16M2200/044—Balancing means for balancing rotational movement of the undercarriage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/06—Arms
    • F16M2200/063—Parallelogram arms

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)

Abstract

The bracket has a holding element (10), so that the equipment can be fastened to a working surface on a bar or post, and an element (12) carrying a supporting platform on a swivelling arm. A parallel frame with bars (14, 16, 18, 20) links the two elements and is provided with a gas pressure spring (22) that is coupled to both elements. The parallel frame consists of a pair of side pieces (14, 16) on the outside fixed at a hinge point (24, 26) in the upper or lower region of the elements, and at least one strut (18, 20) running adjacent to the side pieces, at second hinge points (28, 30) in the lower or upper region of the elements. ADVANTAGE - Improvement in rigidity of support, without hampering degree of adjustment.

Description

Die Erfindung betrifft einen Gelenkarm zur höhenver­ stellbaren Aufnahme insbesondere eines Computermonitors, mit den Merkmalen des Oberbegriffs des An­ spruchs 1, wie er aus der DE-87 04 632 U1 bekannt ist. Eine ähnliche Anordnung zeigt die DE- 36 42 956 A1.The invention relates to an articulated arm for vertically adjustable recording especially a computer monitor, with the features of the preamble of claim 1, as is known from DE-87 04 632 U1. A similar arrangement is shown in DE- 36 42 956 A1.

Derartige insbesondere im Büros eingesetzte Gelenkarme müssen verschiedene Anforderungen erfüllen: Obwohl sie - insbesondere bei Vorsehung eines Schwenkarms - sehr hohe Kräfte verwindungssteif aufnehmen müssen, soll die Bau­ höhe gering sein. Als in großen Stückzahlen gefertigtes Produkt sollen sie weiter einfach zu montieren sein. Schließlich müssen sie den im Bürobereich gestellten äs­ thetischen Anforderungen genügen.Such articulated arms used in particular in the office have to meet different requirements: Although they - especially if a swivel arm is provided - very high The construction is expected to absorb torsion-resistant forces height be low. As manufactured in large numbers Product, they should continue to be easy to assemble. Finally, you have to use the äs in the office area theoretical requirements are sufficient.

Der Erfindung liegt damit die Aufgabe zugrunde, den vor­ bekannten Gelenkarm bezüglich der Verwindungssteifigkeit zu verbessern.The invention is therefore based on the task known articulated arm with regard to torsional rigidity to improve.

Erfindungsgemäß wird diese Aufgabe bei einem gattungsgemäßen Gelenkarm durch die im kenn­ zeichnenden Teil des Anspruchs 1 angegebenen Merkmale gelöst. Die Unteransprüche geben vorteilhafte Ausgestal­ tungen der Erfindung nach Anspruch 1 an.According to the invention, this object is achieved in a generic articulated arm by the in Drawing part of claim 1 specified features solved. The sub-claims give advantageous Ausgestal tion of the invention according to claim 1.

Die Erfindung wird im folgenden anhand einer Zeichnung erläutert: Dabei zeigt:The invention is described below with reference to a drawing explained:

Fig. 1 eine Draufsicht auf den Gelenkarm bei Abnahme einer ggf. vorgesehenen oberen Ab­ deckung, Fig. 1 cover a top view of the articulated arm in a decrease possibly provided upper Ab,

Fig. 2 eine Seitenansicht des in Fig. 1 gezeigten Arms bei Fehlen der vorderen Wange, Fig. 2 is a side view of the arm shown in Fig. 1 in the absence of the front cheek,

Fig. 3 eine Fig. 2 entsprechende Darstellung, in der der Gelenkarm angehoben ist, und Fig. 3 is a Fig. 2 corresponding representation, in which the articulated arm is raised, and

Fig. 4 Ansichten der Versteifungs­ wände. Fig. 4 views of the stiffening walls.

Der Gelenkarm besteht aus einem Halteelement 10, das über - eine nicht gezeigte - Klemme oder dgl. vorzugs­ weise um eine vertikale Achse verschwenkbar an einer Ar­ beitsplatte zu befestigen ist, einem Tragelement 12, das - ggf. über einen (nicht gezeigten) Schwenkarm - eine (nicht gezeigte) Tragplatte, die beispielsweise einen Computer-Monitor aufnehmen kann, trägt, einem sich zwi­ schen den beiden Elementen 10, 12 erstreckenden Paral­ lelgestänge 14, 18, 20 und einer sich zwischen den beiden Elementen 10, 12 erstreckenden Gasdruckfeder 22.The articulated arm consists of a holding element 10 , which is to be fastened to a work plate via a clamp or the like, preferably about a vertical axis, a support element 12 which - possibly via a (not shown) swivel arm - a (not shown) support plate, which can accommodate, for example, a computer monitor, carries a rule between the two elements 10 , 12 extending parallel rod 14 , 18 , 20 and a gas spring 22 extending between the two elements 10 , 12th

Das Parallelgestänge 14, 16, 18, 20 wird aus seitlich an die Elemente 10, 12 angesetzten, sich im wesentlichen über deren vol­ le Höhe erstreckende Wangen 14, 16 und benachbart zu den Wangen 14, 16 von diesen abgedeckt, also innen verlau­ fenden, Streben 18, 20 gebildet. Die Wangen 14, 16 sind in oberen, einander zugewandten Bereichen der Elemente 10, 12 angeordneten ersten Gelenkpunkten 24, 26 mit den Elementen 19, 12 verbunden. Die Streben 18, 20 sind da­ gegen in unteren einander zugewandten Bereichen der Halteelemente 10, 12 mit den Elementen 10, 12 verbunden. Der Abstand der Gelenkpunkte 24, 26 voneinander ent­ spricht dem Abstand der zweiten Gelenkpunkte 28, 30 von­ einander ebenso, wie der Abstand zwischen den ersten Gelenkpunkten 24, 26 und der zweiten Gelenkpunkte 28, 30 voneinander einander entspricht.The parallel linkage 14, 16, 18, 20 is laterally attached to the elements 10 , 12 , substantially over their full height cheeks 14 , 16 and adjacent to the cheeks 14 , 16 covered by these, so inside expire, Struts 18 , 20 formed. The cheeks 14 , 16 are connected to the elements 19 , 12 in upper, mutually facing regions of the elements 10 , 12 arranged first articulation points 24 , 26 . The struts 18 , 20 are there connected to the elements 10 , 12 in lower, mutually facing regions of the holding elements 10 , 12 . The distance between the articulation points 24 , 26 corresponds to the distance of the second articulation points 28 , 30 from one another, just as the distance between the first articulation points 24 , 26 and the second articulation points 28 , 30 corresponds to one another.

Die Gasdruckfeder 22 verläuft entlang der Längsmittel­ achse des Gelenkarms, sie ist mittig mit den beiden Ele­ menten 10, 12 verbunden. Zeichnerisch nur angedeutet ist eine - bekannte - Schraubverbindung in dem Halteelement 10, die eine Verstellung des Anlenkpunkts der Gasdruck­ feder 22 in dem Halteelement 10 und damit eine Einstellung deren Vorspannung ermöglicht.The gas pressure spring 22 runs along the longitudinal central axis of the articulated arm, it is connected centrally to the two elements 10 , 12 . In the drawing, only a - known - screw connection in the holding element 10 , which allows an adjustment of the articulation point of the gas pressure spring 22 in the holding element 10 and thus an adjustment of the pretension thereof.

Zwischen den Wangen 14, 16 verlaufen Versteifungswän­ de 38, 40, 42, die mit Ausnehmungen 32, 34 und einer Durchbrechung 36 versehen sind. Die Ausnehmungen 32, 34 in den Versteifungswänden 38, 40, 42 liegen etwa symme­ trisch zu gedachten Längsmittellinien der Wangen 14, 16 in deren den Wangen 14, 16 zugewandten Bereich, so daß die Stärke der Versteifungswände 38, 40, 42 durch die Ausnehmungen 32, 34 nur unwesentlich gemindert wird. Between the cheeks 14 , 16 run Versteifungswän de 38 , 40 , 42 , which are provided with recesses 32 , 34 and an opening 36 . The recesses 32 , 34 in the stiffening walls 38 , 40 , 42 are approximately symmetrical to imaginary longitudinal center lines of the cheeks 14 , 16 in which the cheeks 14 , 16 facing area, so that the strength of the stiffening walls 38 , 40 , 42 through the recesses 32nd , 34 is only slightly reduced.

Diese Ausnehmungen 32, 34 dienen zur Durchführung der Streben 18, 20, die entsprechend zur gedachten Längsmit­ tellinie der Wangen 14, 16 hin gekröpft ausgebildet sind.These recesses 32 , 34 are used to carry out the struts 18 , 20 , which are cranked corresponding to the imaginary longitudinal center line of the cheeks 14 , 16 .

Die Wangen 14, 16 sind gleichartig und einstückig mit den Versteifungswänden 38, 40, 42 ausgebildet, wobei die Durchbrechungen 36 von den Wangen 14, 16 wegweisend of­ fen ausgebildet sind.The cheeks 14 , 16 are of the same type and are formed in one piece with the stiffening walls 38 , 40 , 42 , the openings 36 of the cheeks 14 , 16 pointing away from fen.

Zur Montage des Gelenkarms wird zunächst die Gasdruckfe­ der 22 mit dem Halteelement 10 und dem Tragelement 12 verbunden. Sodann werden die beiden Wangen 14, 16 derart anein­ ander angelegt, daß in den Versteifungswänden 38, 40, 42 vorgesehene Bohrungen miteinander fluchten, so daß Schraubbolzen 44 durch diese hindurchgeführt werden kön­ nen. Auf diese Weise werden die beiden Wangen 14, 16 fest miteinander und - über nicht gezeigte - Gelenkstif­ te in den Gelenkpunkten 24, 26, 28, 30 mit den Halteele­ menten 10 und 12 fest verbunden.To assemble the articulated arm, the Gasdruckfe 22 is first connected to the holding member 10 and the support member 12 . Then the two cheeks 14 , 16 are laid against one another in such a way that bores provided in the stiffening walls 38 , 40 , 42 are aligned with one another so that bolts 44 can be passed through them. In this way, the two cheeks 14 , 16 are firmly connected to one another and - via not shown - articulated pins in the articulation points 24 , 26 , 28 , 30 with the holding elements 10 and 12 are firmly connected.

Bei einer einstückigen Ausbildung von Wangen 14, 16 und Versteifungswänden 38, 40, 42 besteht der Gelenkarm nur aus den Elementen 10, 12, den Wangen 14, 16, den Streben 18, 20 und dem Schraubbolzen 44. Die einen Teil des Par­ allelgestänges bildenden Wangen 14, 16 werden zugleich als optische Abdeckung des Gelenkarms verwendet. Die Montage ist damit einfach.In the case of a one-piece construction of cheeks 14 , 16 and stiffening walls 38 , 40 , 42 , the articulated arm consists only of the elements 10 , 12 , the cheeks 14 , 16 , the struts 18 , 20 and the screw bolt 44 . The cheeks 14 , 16 forming part of the par allel linkage are also used as an optical cover for the articulated arm. Installation is therefore easy.

Die Versteifungswände 38, 40, 42 stellen eine hohe Ver­ windungssteifigkeit auch bei Verwendung eines relativ dünnen Materials für die Wangen 14, 16 sicher.The stiffening walls 38 , 40 , 42 ensure high torsional rigidity even when using a relatively thin material for the cheeks 14 , 16 .

Claims (5)

1. Gelenkarm zur höhenverstellbaren Aufnahme insbeson­ dere eines Computer-Monitors, mit einem über eine Klem­ me oder dgl. an einer Arbeitsplatte zu befestigenden Halteelement (10), einem - ggf. über einen Schwenkarm - eine Tragplatte tragendes Tragelement (12), einem sich zwischen den beiden Elementen (10, 12) erstreckenden Parallelgestänge (14, 16, 18, 20) und einem sich zwi­ schen den beiden Elementen erstreckenden Federmittel (22), wobei das Parallelgestänge aus einem Paar von in ersten Gelenkpunkten (24, 26) im oberen (oder unteren) Bereich dar Elemente (10, 12) außen an diese angesetzte Wangen (14, 16) und wenigstens einer innen benachbart zu den Wangen (14, 16) von diesen verdeckt verlaufen­ den, in zweiten Gelenkpunkten (28, 30) im unteren (bzw. oberen) Bereich der Elemente (10, 12) an diese ange­ setzte Strebe (18, 20) besteht, wobei einerseits der Abstand der ersten Gelenkpunkte (24, 26) voneinander dem Abstand der zweiten Gelenkpunkte (28, 30) voneinan­ der und andererseits der Abstand zwischen den ersten und den zweiten Gelenkpunkten (24, 28; 26, 30) vonein­ ander an den beiden Elementen (10, 12) einander ent­ sprechen und das Federmittel (22) in dem Raum zwischen den Streben (18, 20) verläuft, dadurch gekennzeichnet, daß bei Vorhandensein eines Paares von Streben (18, 20) sich zwischen den Wänden (14, 16) erstreckende, mit Ausnehmungen (32, 34) zur Durchführung der Streben (18, 20) und Durchbrechungen (36) zur Durchführung des Federmittels (22) versehene Versteifungswände (38, 40, 42) vorgesehen sind, wobei die Streben (18, 20) gekröpft ausgebildet sind und die Ausnehmungen (32, 34) in den Versteifungswänden (38, 40, 42) etwa symmetrisch zu gedachten Längsmittellinien der Wangen (14, 16) verlaufen.1. Articulated arm for height-adjustable recording, in particular a computer monitor, with a holding element ( 10 ) to be fastened to a worktop via a clamp or the like, a supporting element ( 12 ), possibly via a swivel arm, a supporting plate ( 12 ), one between the two elements ( 10 , 12 ) extending parallel linkage ( 14 , 16 , 18 , 20 ) and between the two elements extending spring means ( 22 ), the parallel linkage consisting of a pair of in first hinge points ( 24 , 26 ) in Upper (or lower) area of the elements ( 10 , 12 ) on the outside of these cheeks ( 14 , 16 ) and at least one inside adjacent to the cheeks ( 14 , 16 ), concealed by them, in the second articulation points ( 28 , 30 ) In the lower (or upper) area of the elements ( 10 , 12 ) to this strut ( 18 , 20 ) is set, on the one hand the distance of the first hinge points ( 24 , 26 ) from each other the distance of the second hinge points ( 28 , 30 ) from each other and on the other hand the distance between the first and the second articulation points ( 24 , 28 ; 26 , 30 ) from each other on the two elements ( 10 , 12 ) speak to each other ent and the spring means ( 22 ) runs in the space between the struts ( 18 , 20 ), characterized in that in the presence of a pair of struts ( 18 , 20 ) stiffening walls ( 38 , 40 , 42 ) extending between the walls ( 14 , 16 ) and provided with recesses ( 32 , 34 ) for the passage of the struts ( 18 , 20 ) and openings ( 36 ) for the passage of the spring means ( 22 ). The struts ( 18 , 20 ) are cranked and the recesses ( 32 , 34 ) in the stiffening walls ( 38 , 40 , 42 ) run approximately symmetrically to imaginary longitudinal center lines of the cheeks ( 14 , 16 ). 2. Gelenkarm nach Anspruch 1, dadurch gekenn­ zeichnet, daß die Versteifungswände (38, 40, 42) ein­ stückig mit wenigstens einer der Wangen (14, 16) ausge­ bildet sind.2. Articulated arm according to claim 1, characterized in that the stiffening walls ( 38 , 40 , 42 ) are integrally formed with at least one of the cheeks ( 14 , 16 ). 3. Gelenkarm nach Anspruch 2, dadurch gekennzeichnet, daß beide Wangen (14, 16) gleichartig und einstückig mit den Versteifungswänden (38, 40, 42) ausgebildet sind, wobei die Durchbrechungen (36) von den Wange (14, 16) weg weisend offen ausgebildet ist.3. Articulated arm according to claim 2, characterized in that both cheeks ( 14 , 16 ) are of the same type and in one piece with the stiffening walls ( 38 , 40 , 42 ), the openings ( 36 ) pointing away from the cheek ( 14 , 16 ) is open. 4. Gelenkarm nach Anspruch 3, dadurch gekennzeichnet, daß die Versteifungswände (38, 40, 42) mit in montier­ ten Zustand miteinander fluchtenden Bohrungen versehen sind, durch die bei der Montage des Gelenkarms Schraub­ bolzen (44) geführt werden.4. Articulated arm according to claim 3, characterized in that the stiffening walls ( 38 , 40 , 42 ) are provided with mutually aligned holes in the assembled state, through which screw bolts ( 44 ) are guided during the assembly of the articulated arm. 5. Gelenkarm nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß das Federmittel (22) eine Gas­ druckfeder ist.5. Articulated arm according to one of the preceding claims, characterized in that the spring means ( 22 ) is a gas pressure spring.
DE4204008A 1992-02-12 1992-02-12 Articulated bracket for height adjustable support of equipment, e.g. computer monitor - has equipment support element coupled to wall bracket via frame contg. gas pressure spring with hinge points located at either end of frame Expired - Fee Related DE4204008C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4204008A DE4204008C1 (en) 1992-02-12 1992-02-12 Articulated bracket for height adjustable support of equipment, e.g. computer monitor - has equipment support element coupled to wall bracket via frame contg. gas pressure spring with hinge points located at either end of frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4204008A DE4204008C1 (en) 1992-02-12 1992-02-12 Articulated bracket for height adjustable support of equipment, e.g. computer monitor - has equipment support element coupled to wall bracket via frame contg. gas pressure spring with hinge points located at either end of frame

Publications (1)

Publication Number Publication Date
DE4204008C1 true DE4204008C1 (en) 1993-05-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE4204008A Expired - Fee Related DE4204008C1 (en) 1992-02-12 1992-02-12 Articulated bracket for height adjustable support of equipment, e.g. computer monitor - has equipment support element coupled to wall bracket via frame contg. gas pressure spring with hinge points located at either end of frame

Country Status (1)

Country Link
DE (1) DE4204008C1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8704632U1 (en) * 1987-03-28 1987-05-14 Wigra Medizinisch-Technische Geraete- Und Maschinenbau Gmbh, 5100 Aachen, De
DE3642956A1 (en) * 1986-12-16 1988-06-23 Kreuzer Friedhelm Gmbh TRIPOD WITH A COLUMN AND AN EXTENSION JOINTED THROUGH A JOINT

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3642956A1 (en) * 1986-12-16 1988-06-23 Kreuzer Friedhelm Gmbh TRIPOD WITH A COLUMN AND AN EXTENSION JOINTED THROUGH A JOINT
DE8704632U1 (en) * 1987-03-28 1987-05-14 Wigra Medizinisch-Technische Geraete- Und Maschinenbau Gmbh, 5100 Aachen, De

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