EP0975249A2 - Device for height adjustment of panels - Google Patents

Device for height adjustment of panels

Info

Publication number
EP0975249A2
EP0975249A2 EP98965616A EP98965616A EP0975249A2 EP 0975249 A2 EP0975249 A2 EP 0975249A2 EP 98965616 A EP98965616 A EP 98965616A EP 98965616 A EP98965616 A EP 98965616A EP 0975249 A2 EP0975249 A2 EP 0975249A2
Authority
EP
European Patent Office
Prior art keywords
lifting elements
console
lifting
bracket
guided
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98965616A
Other languages
German (de)
French (fr)
Other versions
EP0975249B1 (en
Inventor
Joachim Niehaus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Niehaus Joachim
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0975249A2 publication Critical patent/EP0975249A2/en
Application granted granted Critical
Publication of EP0975249B1 publication Critical patent/EP0975249B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B17/00—Writing-tables
    • A47B17/02—Writing-tables with vertically-adjustable parts
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height
    • A47B9/04—Tables with tops of variable height with vertical spindle

Definitions

  • the invention relates to a device for height adjustment of panels, in particular worktops, with at least one console which is attached to a frame and is provided with at least two vertically translatable lifting elements.
  • the known height adjustments (see DE 297 06 520 U1) engage directly in the worktop to be adjusted.
  • Two height adjustment devices are attached under the plate so that they can be moved parallel in the vertical axis.
  • the known devices are usually equipped with a housing in which the lifting elements are provided. The housing is screwed to the frame of the table. For this purpose, special mounting options are attached to the frame and the housing.
  • the known devices have the disadvantage that they can only be arranged at the locations which are defined by the receptacles provided on the frames. In addition, the known devices are expensive to manufacture due to the special receptacles on the housings and on the frames.
  • the invention seeks to remedy this.
  • the invention has for its object to provide a device for height adjustment of plates, which is simple in construction and can be attached at any point on the frame. According to the invention, this object is achieved in that a cover is screwed onto the console, that an opening is formed between the console and cover, that the lifting elements are received in the console from holes, and that the lifting elements are rotatably inserted into the holes.
  • the inventive design makes it possible to arrange the device at any location on the frame.
  • the attachment to the frame takes place through a profile which penetrates the opening between the cover and the console. After screwing the lid onto the console, the device is held clamped to the profile.
  • a safe arrangement of the lifting elements in the console is created in a simple manner through the bores. The assembly is also considerably simplified.
  • At least one nooke is formed on the lifting elements and is guided in slots in the console. This provides a high level of operational reliability of the device according to the invention in a simple manner.
  • the lifting elements are supported in the console on bank cards which have a hole in their center. This ensures simple assembly of the device. In addition, this training leads to the safe functioning of the lifting elements.
  • a recess is provided in the console between the lifting elements. This makes it possible to pass profiles with larger dimensions between the console and the cover.
  • the lifting elements have a support element which is designed in the form of a bolt and is received by a receptacle.
  • a support element which is designed in the form of a bolt and is received by a receptacle.
  • the bolts are guided in a hole or an elongated hole at their ends facing away from the lifting element.
  • the lifting elements are preferably provided with a scale. This makes it easy to determine the respective height of the lifting element.
  • Figure 1 shows a device for height adjustment
  • FIG. 2 shows a longitudinal section through the device shown in FIG. 1;
  • Figure 3 shows a transmission with a drive spindle and bearing for the device of FIG. 1;
  • Figure 4 shows the transmission of Fig. 3;
  • 5 shows the gear with drive spindle and bearing according to FIG. 3 in
  • FIG. 5 shows the exploded view of FIG. 5 from below.
  • the device selected as an exemplary embodiment consists of two brackets 1 2, which are fastened at a distance from one another on a truss profile.
  • One of the consoles 1 2 is attached on the right, the other on the left under a table top.
  • Each console 1 2 is fastened by screwing a cover 1 3 onto the console 1 2.
  • the cross member profile 1 6 passes through an opening formed between the console 1 2 and the cover 1 3.
  • the device is thereby held clamped to the truss profile 1 6.
  • the attachment with a worktop can be formed, for example, via a square tubular frame.
  • Console 1 2 and cover 1 3 are designed as aluminum / magnesium die-cast parts.
  • the two brackets are connected with a synchronous drive rod in the form of a hexagonal shaft.
  • the brackets also allow the height and inclination of the table to which they are attached.
  • Several table tops can be linked with their height drive.
  • the synchronous drive rods are guided via a connecting gear with an operator hand crank, which thus enables the connected shafts to be adjusted in height and angle in a simple manner.
  • Holes 1 21 are provided in the console 1 2.
  • the bores 1 21 accommodate the lifting elements 14.
  • a recess 1 23 is formed in the bracket 1 2 between the bores 1 21.
  • the cover 1 3 has two openings 1 31. In the exemplary embodiment, the cover 1 3 is shown in two parts. The two lifting elements 14 are rotatably inserted into the console 1 2.
  • the lifting elements 14 each consist of a piston 22, a sleeve 20, a hexagon nut 26 provided with an internal thread and a spindle 28 which engages in the internal thread of the nut and which is provided with an external thread.
  • the piston 22 has an insertion compartment 221 for the nut 26 at its lower end.
  • the piston 22 is provided with a central bore 222. It is thereby achieved that only the nut 26 has to be provided with an internal thread and no internal thread has to be provided in the central bore 222. This facilitates the manufacture of the lifting elements 14.
  • the device for height adjustment has a gear 30 with a gear mount 40 and the spindle 28.
  • the lifting element 14 is provided with a scale 23 on which the adjustment path is visible to the user. This is particularly useful if the individual lifting elements 14 can be set independently of one another. This makes it possible to adjust the height adjustments of the individual lifting elements 14 to the other in order to enable a parallel displacement of the plate.
  • the scale 23 has a reading mark 231 in the area of its upper edge.
  • a recess 1 25 is provided in the adjacent cover cap for the console 1 24.
  • the cutout 1 25 is penetrated by the scale 23.
  • an immersion slot 1 26 is provided for the scale 23.
  • the scale 23 is provided symmetrically for the purpose of being interchangeable.
  • a plate frame support bolt 1 27 is arranged transversely to the scale 23.
  • cams 24 are formed at its lower end. These are in the assembled state of the device in
  • a receptacle 223 is provided at the end of the piston 22 facing the plate.
  • a support element 1 8 is received by the receptacle 223 in the assembled state of the device.
  • the support element 1 8 consists of a bolt which is arranged at right angles to the central bore 222.
  • the bolt is made of V2A steel. It has in its area facing the piston 22 a groove 81 in which a pin (not shown) engages to secure the bolt against falling out and shifting. Furthermore, are in the area facing away from the piston 22 the bolt two ring grooves 1 82 are provided, in which the square tubular frame is held.
  • a hole is provided in the frame on the side of the frame facing the user of the plate. On the side facing away from the user, the hole in the frame is designed as an elongated hole.
  • the spindle 28 has an external polygon 281, which serves to actuate the spindle 28.
  • a central threaded bore 282 is provided in the spindle 28 in the area of the outer polygon 281 for securing.
  • a groove 283 is formed into which check cards 284 engage as an abutment. To do this, instruct them in the middle
  • the check cards 284 are made in two parts.
  • the check cards 284 are supported in the console 1 2.
  • the spindle 28 passes through an inner bearing plate 286 and an outer bearing plate 287, which are held against each other in a hole formed between them.
  • a bevel gear 41, a thrust washer 42 and a collar bushing 43 are arranged, which are supported on the gearbox receptacle 40.
  • the transmission mount 40 is also provided with a thrust washer 42 and a bush 43.
  • a hexagonal hollow shaft 44, a bevel gear 45 and again a thrust washer 42 and a collar bushing 43 are provided in the axial direction of the last-mentioned thrust washer 42 and the associated bushing 43.
  • the hexagonal hollow shaft 44 serves the synchronous drive of the right and the left table console.
  • an adapter shaft 46 with driving surfaces 461 and one
  • Driving polygon 462 provided.
  • the adapter shaft 46 engages in a spur gear 47, which is provided on the transmission side.
  • Another thrust washer 42 is provided between the adapter shaft 46 and the spur gear 47.
  • a fastening screw 48 is inserted into the spur gear 47.
  • the spur gear 43 meshes with a spur gear 49 on the
  • This spur gear 49 is also held by a fastening screw 48. Both the gear 47 and the spur gear 49 each have a bearing groove 471 and 491.
  • the spur gears 47 and 49 are screwed together with movement, ie the gearbox can float, so compensate for tolerance errors:
  • the gearbox mount is therefore not screwed into the console, but movable.
  • the bearing rings achieve a bridge bearing that serves to balance the radial forces.
  • the device can be driven via a bevel gear and a hexagonal shaft connecting the lifting elements 1 4 in such a way that the respectively combined lifting elements 14 can be driven in rotation together. It is also conceivable that a plurality of brackets 1 2 or lifting elements 1 4 of adjacent pieces of furniture are connected to one another via a shaft, so that they can be driven together.

Landscapes

  • Transmission Devices (AREA)
  • Casings For Electric Apparatus (AREA)
  • Paper (AREA)
  • Bay Windows, Entrances, And Structural Adjustments Related Thereto (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)
  • Floor Finish (AREA)
  • Patch Boards (AREA)

Abstract

A device to adjust the height of panels, more particularly, the height of working tables includes at least one console (12) which is mounted to a stand and fitted with at least two vertical translational lifting elements (14). A lid or cover (13) is screwed on the console (12). An opening is formed between the console (12) and the lid or cover (13) which is adapted to receive a profile section of a frame. The profile section is clamped between the lid and the console when the lid is screwed to the console. The lifting elements (14) are located in holes (121) in the console (12). The lifting elements (14) are inserted in the holes (121) in such a way that they can not rotate.

Description

Vorrichtung zur Höhenverstellung von Platten Device for height adjustment of plates
Die Erfindung betrifft eine Vorrichtung zur Höhenverstellung von Platten, insbesondere Arbeitsplatten, mit mindestens einer Konsole, die an einem Gestell angebracht und mit mindestens zwei vertikal translatierbaren Hubelementen versehen ist.The invention relates to a device for height adjustment of panels, in particular worktops, with at least one console which is attached to a frame and is provided with at least two vertically translatable lifting elements.
Vorrichtungen der genannten Art sind als Höhenverstellungen von Tischen, insbesondere Arbeitstischen, Konferenztischen oder Zeichentischen etc., bekannt. Die bekannten Höhenverstellungen (vgl DE 297 06 520 U1 ) greifen dabei direkt in die zu verstellende Arbeitsplatte ein. Dabei werden zwei Höhenverstellungseinrichtungen unter der Platte so befestigt, daß diese parallel in vertikaler Achse verschoben werden können. Die bekannten Vorrichtungen sind in der Regel mit einem Gehäuse ausgestattet, in dem die Hubelemente vorgesehen sind. Das Gehäuse ist mit dem Gestell des Tisches verschraubt. Hierzu sind an dem Gestell und an dem Gehäuse besondere Befestigungsmöglichkeiten angebracht. Die bekannten Vorrichtungen weisen den Nachteil auf, daß sie nur an den Orten anzuordnen sind, die durch die an den Gestellen vorgesehenen Aufnahmen definiert sind. Darüber hinaus sind die bekannten Vorrichtungen aufgrund der besonderen Aufnahmen an den Gehäusen und an den Gestellen in der Fertigung aufwendig.Devices of the type mentioned are known as height adjustments of tables, in particular work tables, conference tables or drawing tables etc. The known height adjustments (see DE 297 06 520 U1) engage directly in the worktop to be adjusted. Two height adjustment devices are attached under the plate so that they can be moved parallel in the vertical axis. The known devices are usually equipped with a housing in which the lifting elements are provided. The housing is screwed to the frame of the table. For this purpose, special mounting options are attached to the frame and the housing. The known devices have the disadvantage that they can only be arranged at the locations which are defined by the receptacles provided on the frames. In addition, the known devices are expensive to manufacture due to the special receptacles on the housings and on the frames.
Hier will die Erfindung Abhilfe schaffen. Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zur Höhenverstellung von Platten zu schaffen, die einfach aufgebaut ist und an beliebigen Stellen des Gestells zu befestigen ist. Gemäß der Erfindung wird diese Aufgabe dadurch gelöst, daß auf die Konsole ein Deckel aufgeschraubt ist, daß zwischen Konsole und Deckel eine Öffnung ausgebildet ist, daß die Hubelemente in der Konsole von Bohrungen aufgenommen sind, und daß die Hubelemente drehfest in die Bohrungen eingesetzt sind.The invention seeks to remedy this. The invention has for its object to provide a device for height adjustment of plates, which is simple in construction and can be attached at any point on the frame. According to the invention, this object is achieved in that a cover is screwed onto the console, that an opening is formed between the console and cover, that the lifting elements are received in the console from holes, and that the lifting elements are rotatably inserted into the holes.
Durch die erfindungsgemäße Ausbildung ist es möglich, die Vorrichtung an beliebigen Orten des Gestells anzuordnen. Hierbei erfolgt die Befestigung mit dem Gestell durch ein die Öffnung zwischen Deckel und Konsole durchsetzendes Profil. Nach Aufschrauben des Deckels auf die Konsole ist die Vorrichtung an dem Profil geklemmt gehalten. Durch die Bohrungen ist auf einfache Weise eine sichere Anordnung der Hubelemente in der Konsole geschaffen. Die Montage ist darüber hinaus erheblich vereinfacht.The inventive design makes it possible to arrange the device at any location on the frame. In this case, the attachment to the frame takes place through a profile which penetrates the opening between the cover and the console. After screwing the lid onto the console, the device is held clamped to the profile. A safe arrangement of the lifting elements in the console is created in a simple manner through the bores. The assembly is also considerably simplified.
In Ausgestaltung der Erfindung sind an den Hubelementen mindestens eine Nooke ausgebildet, die in Schlitzen der Konsole geführt ist. Dadurch ist auf einfache Weise eine hohe Betriebssicherheit der erfindungsgemäßen Vorrichtung geschaffen.In an embodiment of the invention, at least one nooke is formed on the lifting elements and is guided in slots in the console. This provides a high level of operational reliability of the device according to the invention in a simple manner.
In Weiterbildung der Erfindung sind die Hubelemente in der Konsole auf Scheckkarten abgestützt, die in ihrer Mitte ein Loch aufweisen. Hierdurch ist eine einfache Montage der Vorrichtung gewährleistet. Darüber hinaus führt diese Weiterbildung zur sicheren Funktion der Hubelemente. In Weiterbildung der Erfindung ist in der Konsole zwischen den Hubelementen eine Aussparung vorgesehen. Dadurch besteht die Möglichkeit, Profile mit größeren Abmessungen zwischen Konsole und Deckel hindurchzuführen.In a further development of the invention, the lifting elements are supported in the console on bank cards which have a hole in their center. This ensures simple assembly of the device. In addition, this training leads to the safe functioning of the lifting elements. In a development of the invention, a recess is provided in the console between the lifting elements. This makes it possible to pass profiles with larger dimensions between the console and the cover.
In vorteilhafter Ausgestaltung der Erfindung weisen die Hubelemente ein Tragelement auf, das in Form eines Bolzens ausgebildet und von einer Aufnahme aufgenommen ist. Durch das Vorsehen von Tragelementen besteht die Möglichkeit, auch unter schwierigen Einbaubedingungen an der Platte die Funktion der Höhenverstellung zu gewährleisten. Die Form des Bolzens ist aufgrund der Stabilitätseigenschaften besonders geeignet. Darüber hinaus ist seine Fertigung preiswert.In an advantageous embodiment of the invention, the lifting elements have a support element which is designed in the form of a bolt and is received by a receptacle. By providing support elements, it is possible to ensure the height adjustment function even under difficult installation conditions on the plate. The shape of the bolt is particularly suitable due to its stability properties. In addition, its manufacture is inexpensive.
In vorteilhafter Weiterbildung der Erfindung sind die Bolzen an ihren dem Hubelement abgewandten Enden in einem Loch oder einem Langloch geführt. Durch die Verwendung von Löchern sowie Langlöchern ist es möglich, bei einer gewünschten Neigung der Platte die auftretende Streckenlängung auszugleichen.In an advantageous development of the invention, the bolts are guided in a hole or an elongated hole at their ends facing away from the lifting element. Through the use of holes and elongated holes, it is possible to compensate for the lengthening of the route when the plate is inclined.
Bevorzugt sind die Hubelemente mit einem Maßstab versehen. Dadurch ist es auf einfache Weise möglich, die jeweilige Höhe des Hubelementes zu ermitteln.The lifting elements are preferably provided with a scale. This makes it easy to determine the respective height of the lifting element.
Weiterbildungen und Ausgestaltungen der Erfindung sind in den übrigenFurther developments and refinements of the invention are in the rest
Unteransprüchen angegeben. Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird nachfolgend im einzelnen beschrieben. Es zeigen jeweils in perspektivischer Darstellung:Subclaims specified. An embodiment of the invention is shown in the drawing and is described in detail below. They each show in perspective:
Figur 1 eine Vorrichtung zur Höhenverstellung;Figure 1 shows a device for height adjustment;
Figur 2 einen Längsschnitt durch die in Fig. 1 dargestellte Vorrichtung; Figur 3 ein Getriebe mit Antriebsspindel und Lagerung zu der Vorrichtung nach Fig. 1 ; Figur 4 das Getriebe aus Fig. 3; Figur 5 das Getriebe mit Antriebsspindel und Lagerung nach Fig. 3 inFIG. 2 shows a longitudinal section through the device shown in FIG. 1; Figure 3 shows a transmission with a drive spindle and bearing for the device of FIG. 1; Figure 4 shows the transmission of Fig. 3; 5 shows the gear with drive spindle and bearing according to FIG. 3 in
Explosionsdarstellung von oben; Figur 6 die Explosionsdarstellung nach Fig. 5 von unten. Die als Ausführungsbeispiel gewählte Vorrichtung besteht aus zwei Konsolen 1 2, die voneinander im Abstand an einem Traversenprofil befestigt sind. Eine der Konsolen 1 2 ist jeweils rechts, die andere jeweils links unter einer Tischplatte befestigt. Die Befestigung jeder Konsole 1 2 erfolgt durch Aufschrauben eines Deckels 1 3 auf die Konsole 1 2. Das Traversenprofil 1 6 durchsetzt dabei eine zwischen Konsole 1 2 und Deckel 1 3 ausgebildete Öffnung. Die Vorrichtung ist dadurch an dem Traversenprofil 1 6 geklemmt gehalten. Die Befestigung mit einer Arbeitsplatte kann beispielsweise über einen Vierkantrohrrahmen gebildet sein. Konsole 1 2 und Deckel 1 3 sind als Aluminium/Magnesium-Druckgußteile ausgebildet.Exploded view from above; Figure 6 shows the exploded view of FIG. 5 from below. The device selected as an exemplary embodiment consists of two brackets 1 2, which are fastened at a distance from one another on a truss profile. One of the consoles 1 2 is attached on the right, the other on the left under a table top. Each console 1 2 is fastened by screwing a cover 1 3 onto the console 1 2. The cross member profile 1 6 passes through an opening formed between the console 1 2 and the cover 1 3. The device is thereby held clamped to the truss profile 1 6. The attachment with a worktop can be formed, for example, via a square tubular frame. Console 1 2 and cover 1 3 are designed as aluminum / magnesium die-cast parts.
Die Verbindung der beiden Konsolen erfolgt mit einer Synchron-Antriebsstange in der Form einer Sechskantwelle. Die Konsolen ermöglichen gleichzeitig die Höhen- und Schrägverstellung des Tisches, an dem sie befestigt sind. Mehrere Tischplatten sind mit ihren Höhenantrieb verkettbar. Die Synchron-Antriebsstangen sind über ein Verbindungsgetriebe mit einer Bediener-Handkurbel geführt, die somit auf einfache Weise die Höhen- und Schrägverstellung der verbundenen Wellen ermöglicht.The two brackets are connected with a synchronous drive rod in the form of a hexagonal shaft. The brackets also allow the height and inclination of the table to which they are attached. Several table tops can be linked with their height drive. The synchronous drive rods are guided via a connecting gear with an operator hand crank, which thus enables the connected shafts to be adjusted in height and angle in a simple manner.
In der Konsole 1 2 sind Bohrungen 1 21 vorgesehen. Die Bohrungen 1 21 nehmen die Hubelemente 14 auf. Zwischen den Bohrungen 1 21 ist in der Konsole 1 2 eine Aus- sparung 1 23 ausgebildet. Zum Durchtritt der Hubelemente 14 weist der Deckel 1 3 zwei Öffnungen 1 31 auf. Im Ausführungsbeispiel ist der Deckel 1 3 zweigeteilt dargestellt. Die beiden Hubelemente 14 sind in die Konsole 1 2 drehfest eingesetzt.Holes 1 21 are provided in the console 1 2. The bores 1 21 accommodate the lifting elements 14. A recess 1 23 is formed in the bracket 1 2 between the bores 1 21. For the passage of the lifting elements 14, the cover 1 3 has two openings 1 31. In the exemplary embodiment, the cover 1 3 is shown in two parts. The two lifting elements 14 are rotatably inserted into the console 1 2.
Die Hubelemente 14 bestehen aus jeweils einem Kolben 22, einer Hülse 20, einer mit einem Innengewinde versehenen Sechskantmutter 26 und einer in das Innengewinde der Mutter eingreifenden Spindel 28, die mit einem Außengewinde versehen ist. Der Kolben weist 22 an seinem unteren Ende ein Einschubfach 221 für die Mutter 26 auf. Der Kolben 22 ist mit einer zentralen Bohrung 222 versehen. Dadurch wird erreicht, daß nur die Mutter 26 mit einem Innengewinde ausgestattet werden muß und in der zentralen Bohrung 222 kein Innengewinde vorgesehen sein muß. Damit wird eine Erleichterung der Herstellung der Hubelemente 14 erzielt. Im Ausführungsbeispiel weist die Vorrichtung zur Höhenverstellung ein Getriebe 30 mit einer Getriebeaufnahme 40 und der Spindel 28 auf.The lifting elements 14 each consist of a piston 22, a sleeve 20, a hexagon nut 26 provided with an internal thread and a spindle 28 which engages in the internal thread of the nut and which is provided with an external thread. The piston 22 has an insertion compartment 221 for the nut 26 at its lower end. The piston 22 is provided with a central bore 222. It is thereby achieved that only the nut 26 has to be provided with an internal thread and no internal thread has to be provided in the central bore 222. This facilitates the manufacture of the lifting elements 14. In the exemplary embodiment, the device for height adjustment has a gear 30 with a gear mount 40 and the spindle 28.
In der dargestellten Ausführungsform ist das Hubelement 14 jeweils mit einem Maßstab 23 versehen, an dem der Verstellweg für den Benutzer ersichtlich ist. Dies ist insbesondere dann sinnvoll, wenn die einzelnen Hubelemente 14 unabhängig voneinander eingestellt werden können. Damit ist es möglich, die Höhenverstellungen der einzelnen Hubelemente 14 an die jeweils anderen anzupassen, um eine parallele Verschiebung der Platte zu ermöglichen.In the illustrated embodiment, the lifting element 14 is provided with a scale 23 on which the adjustment path is visible to the user. This is particularly useful if the individual lifting elements 14 can be set independently of one another. This makes it possible to adjust the height adjustments of the individual lifting elements 14 to the other in order to enable a parallel displacement of the plate.
Im Bereich seiner Oberkante weist der Maßstab 23 eine Ablesemarkierung 231 auf. In der angrenzenden Abdeckkappe für die Konsole 1 24 ist eine Aussparung 1 25 vorgesehen. Die Aussparung 1 25 ist durchsetzt von dem Maßstab 23. In der Verlängerung der Aussparung 1 25 ist ein Tauchschlitz 1 26 für den Maßstab 23 vorgesehen. Der Maßstab 23 ist symmetrisch zum Zwecke seiner Austauschbarkeit vorgesehen. Quer zu dem Maßstab 23 ist ein Plattenrahmen-Tragbolzen 1 27 angeordnet.The scale 23 has a reading mark 231 in the area of its upper edge. A recess 1 25 is provided in the adjacent cover cap for the console 1 24. The cutout 1 25 is penetrated by the scale 23. In the extension of the cutout 1 25, an immersion slot 1 26 is provided for the scale 23. The scale 23 is provided symmetrically for the purpose of being interchangeable. A plate frame support bolt 1 27 is arranged transversely to the scale 23.
Für den drehfesten Sitz der Hülse 20 in der Konsole 1 2 sind an ihrem unteren Ende Nocken 24 ausgebildet. Diese sind in montiertem Zustand der Vorrichtung inFor the rotationally fixed seat of the sleeve 20 in the console 1 2 cams 24 are formed at its lower end. These are in the assembled state of the device in
Schlitzen 1 22 der Konsole 1 2 geführt. Die Schlitze 1 22 dienen im Zusammenspiel mit den Nocken 24 als Verdrehsicherung und an ihrem der Platte zugewandten Ende als Anschlag.Slits 1 22 of the console 1 2 out. In cooperation with the cams 24, the slots 1 22 serve as a means of preventing rotation and at their end facing the plate as a stop.
An dem der Platte zugewandten Ende des Kolbens 22 ist eine Aufnahme 223 vorgesehen. Von der Aufnahme 223 ist in zusammengesetztem Zustand der Vorrichtung ein Tragelement 1 8 aufgenommen. Im Ausführungsbeispiel besteht das Tragelement 1 8 aus einen Bolzen, der rechtwinklig zur zentralen Bohrung 222 angeordnet ist. Der Bolzen ist im Ausführungsbeispiel aus V2A-Stahl hergestellt. Er weist in seinem dem Kolben 22 zugewandten Bereich eine Nut 1 81 auf, in die ein - nicht dargestellter - Stift zur Sicherung des Bolzens gegen Herausfallen und Verschieben eingreift. Weiterhin sind in dem dem Kolben 22 abgewandten Bereich des Bolzens zwei Ringnuten 1 82 vorgesehen, in denen der Vierkantrohrrahmen gehalten ist. Hierzu ist auf der dem Benutzer der Platte zugewandten Seite des Rahmens jeweils ein Loch in dem Rahmen vorgesehen. Auf der dem Benutzer abgewandten Seite ist das Loch in dem Rahmen als Langloch ausgebildet.At the end of the piston 22 facing the plate, a receptacle 223 is provided. A support element 1 8 is received by the receptacle 223 in the assembled state of the device. In the exemplary embodiment, the support element 1 8 consists of a bolt which is arranged at right angles to the central bore 222. In the exemplary embodiment, the bolt is made of V2A steel. It has in its area facing the piston 22 a groove 81 in which a pin (not shown) engages to secure the bolt against falling out and shifting. Furthermore, are in the area facing away from the piston 22 the bolt two ring grooves 1 82 are provided, in which the square tubular frame is held. For this purpose, a hole is provided in the frame on the side of the frame facing the user of the plate. On the side facing away from the user, the hole in the frame is designed as an elongated hole.
Die Spindel 28 weist an ihrem der Platte abgewandten Ende einen Außenmehrkant 281 auf, der zur Betätigung der Spindel 28 dient. In der Spindel 28 ist im Bereich des Außenmehrkants 281 zur Sicherung eine zentrale Gewindebohrung 282 vorgesehen. Im Anschluß an den Mehrkant 281 ist eine Nut 283 ausgebildet, in die Scheckkarten 284 als Widerlager eingreifen. Hierzu weisen sie in ihrer Mitte einAt its end facing away from the plate, the spindle 28 has an external polygon 281, which serves to actuate the spindle 28. A central threaded bore 282 is provided in the spindle 28 in the area of the outer polygon 281 for securing. Following the polygon 281, a groove 283 is formed into which check cards 284 engage as an abutment. To do this, instruct them in the middle
Loch 285 auf. Im Ausführungsbeispiel sind die Scheckkarten 284 zweiteilig ausgeführt. Die Scheckkarten 284 stützen sich in der Konsole 1 2 ab.Hole 285 on. In the exemplary embodiment, the check cards 284 are made in two parts. The check cards 284 are supported in the console 1 2.
Die Spindel 28 durchsetzt eine innere Lagerscheibe 286 und eine äußere Lager- Scheibe 287, die gegen einander gehalten sind in einem zwischen ihnen gebildeten Loch. Auf der den Lagerscheiben 286 und 287 abgewandten Seite der Spindel 28 sind ein Kegelrad 41 , eine Anlaufscheibe 42, eine Bundbuchse 43 angeordnet, die sich an der Getriebeaufnahme 40 abstützen. Im rechten Winkel zu den Teilen 41 , 42 und 43 ist die Getriebeaufnahme 40 ebenfalls mit einer Anlaufscheibe 42 und einer Buchse 43 versehen. In Axialrichtung zu der zuletzt genannten Anlaufscheibe 42 und der zugehörigen Buchse 43 sind eine Sechskanthohlwelle 44, ein Kegelrad 45 sowie wiederum eine Anlaufscheibe 42 und eine Bundbuchse 43 vorgesehen. Die Sechskanthohlwelle 44 dient dem Synchronantrieb der rechten und der linken Tischkonsole. Rechtwinklig zu der Sechskanthohlwelle 44 - in Axialrichtung zu dem vertikalen Kegelrad 41 - sind eine Adapterwelle 46 mit Mitnahme-Flächen 461 und einemThe spindle 28 passes through an inner bearing plate 286 and an outer bearing plate 287, which are held against each other in a hole formed between them. On the side of the spindle 28 facing away from the bearing disks 286 and 287, a bevel gear 41, a thrust washer 42 and a collar bushing 43 are arranged, which are supported on the gearbox receptacle 40. At right angles to the parts 41, 42 and 43, the transmission mount 40 is also provided with a thrust washer 42 and a bush 43. In the axial direction of the last-mentioned thrust washer 42 and the associated bushing 43, a hexagonal hollow shaft 44, a bevel gear 45 and again a thrust washer 42 and a collar bushing 43 are provided. The hexagonal hollow shaft 44 serves the synchronous drive of the right and the left table console. At right angles to the hexagonal hollow shaft 44 - in the axial direction to the vertical bevel gear 41 - are an adapter shaft 46 with driving surfaces 461 and one
Mitnahme-Mehrkant 462 vorgesehen. Die Adapterwelle 46 greift in ein Stirnzahnrad 47, das auf der Getriebeseite vorgesehen ist. Zwischen der Adapterwelle 46 und dem Stirnzahnrad 47 ist eine weitere Anlaufscheibe 42 vorgesehen. Auf der der Adapterwelle abgewandten Seite ist in das Stirnzahnrad 47 eine Befestigungsschraube 48 eingesteckt. Das Stirnzahnrad 43 kämmt mit einem Stirnzahnrad 49, das auf derDriving polygon 462 provided. The adapter shaft 46 engages in a spur gear 47, which is provided on the transmission side. Another thrust washer 42 is provided between the adapter shaft 46 and the spur gear 47. On the side facing away from the adapter shaft, a fastening screw 48 is inserted into the spur gear 47. The spur gear 43 meshes with a spur gear 49 on the
Spindelseite vorgesehen ist. Auch dieses Stirnzahnrad 49 ist mit einer Befestigungsschraube 48 gehalten. Sowohl das Zahnrad 47 als auch das Stirnzahnrad 49 haben je eine Lagernut 471 und 491 . Die Verschraubung der Stirnzahnräder 47 und 49 erfolgt mit Bewegungsspiel, d.h. das Getriebe kann schwimmen, also Toleranzfehler ausgleichen: Die Getriebeaufnahme ist also nicht festgeschraubt in der Konsole, sondern beweglich. Durch die Lagerringe wird eine Brückenlagerung erzielt, die dem Ausgleich der Radialkräfte dient.Spindle side is provided. This spur gear 49 is also held by a fastening screw 48. Both the gear 47 and the spur gear 49 each have a bearing groove 471 and 491. The spur gears 47 and 49 are screwed together with movement, ie the gearbox can float, so compensate for tolerance errors: The gearbox mount is therefore not screwed into the console, but movable. The bearing rings achieve a bridge bearing that serves to balance the radial forces.
In einer alternativen Ausführungsform der Erfindung, die in den Zeichnungen nicht dargestellt ist, kann die Vorrichtung über ein Kegelradgetriebe und eine die Hubelemente 1 4 verbindenden Sechskantwelle so angetrieben werden, daß die jeweils zu- sammengefaßten Hubelemente 14 gemeinsam drehantreibbar sind. Ebenso ist es denkbar, daß mehrere Konsolen 1 2 oder Hubelemente 1 4 benachbarter Möbelstücke über eine Welle miteinander verbunden sind, so daß diese gemeinsam angetrieben werden können. In an alternative embodiment of the invention, which is not shown in the drawings, the device can be driven via a bevel gear and a hexagonal shaft connecting the lifting elements 1 4 in such a way that the respectively combined lifting elements 14 can be driven in rotation together. It is also conceivable that a plurality of brackets 1 2 or lifting elements 1 4 of adjacent pieces of furniture are connected to one another via a shaft, so that they can be driven together.

Claims

Patentansprücheclaims
1. Vorrichtung zur Höhenverstellung von Platten, insbesondere Arbeitsplatten, mit mindestens einer Konsole, die an einem Gestell angebracht ist und die mindestens zwei vertikal translatierbare Hubelemente aufweist, dadurch gekennzeichnet, daß auf die Konsole (12) ein Deckel (13) aufgeschraubt ist, daß zwischen Konsole (12) und Deckel (13) eine Öffnung ausgebildet ist, daß die Hubelemente (14) in der Konsole (12) von Bohrungen (121) aufgenommen sind, und daß die Hubelemente (14) drehfest in die Bohrungen (121) eingesetzt sind.1. Device for height adjustment of plates, in particular worktops, with at least one bracket which is attached to a frame and which has at least two vertically translatable lifting elements, characterized in that a cover (13) is screwed onto the bracket (12) that an opening is formed between the bracket (12) and the cover (13) such that the lifting elements (14) are accommodated in the bracket (12) by bores (121) and that the lifting elements (14) are inserted in the bores (121) in a rotationally fixed manner are.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß an den Hubelementen (14) mindestens eine Nocke (24) ausgebildet ist, die in Schlitzen (122) der Konsole (12) geführt ist.2. Device according to claim 1, characterized in that at least one cam (24) is formed on the lifting elements (14), which is guided in slots (122) of the console (12).
3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die3. Apparatus according to claim 1 or 2, characterized in that the
Hubelemente (14) in der Konsole (12) auf Scheckkarten abgestützt sind, die in ihrer Mitte ein Loch (285) aufweisen. Lifting elements (14) are supported in the console (12) on credit cards which have a hole (285) in their center.
. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß in der Konsole ( 1 2) zwischen den Hubelementen (14) eine Aussparung (1 23) vorgesehen ist.. Device according to one of claims 1 to 3, characterized in that a recess (1 23) is provided in the bracket (1 2) between the lifting elements (14).
5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Hubelemente (1 4) ein Tragelement (1 8) aufweisen, das in Form eines Bolzen ausgebildet ist und von einer Aufnahme (223) aufgenommen ist.5. Device according to one of claims 1 to 4, characterized in that the lifting elements (1 4) have a support element (1 8) which is designed in the form of a bolt and is received by a receptacle (223).
6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß das Tragelement ( 1 8) rechtwinklig zur Längsmittellinie des Hubelementes ( 14) angeordnet ist.6. The device according to claim 5, characterized in that the supporting element (1 8) is arranged at right angles to the longitudinal center line of the lifting element (14).
7. Vorrichtung nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, daß die Bolzen an ihrem dem Hubelement ( 14) abgewandten Ende in einem Loch oder Langloch geführt sind.7. Device according to one of claims 5 or 6, characterized in that the bolts are guided at their end facing away from the lifting element (14) in a hole or slot.
8. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Hubelemente (14) mit einem Maßstab (23) versehen sind.8. Device according to one of claims 1 to 7, characterized in that the lifting elements (14) are provided with a scale (23).
9. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß jedes der Hubelemente eine Abtriebspindel (28) aufweist, die über eine zweigeteilte Lagerscheibe (286, 287) an einer Getriebeaufnahme (40) befestigt ist.9. Device according to one of claims 1 to 8, characterized in that each of the lifting elements has an output spindle (28) which is fastened to a transmission receptacle (40) via a two-part bearing disc (286, 287).
10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß die Abtriebspindel (28) mit einem Außenmehrkant (281 ) und einer Gewindebohrung (282) versehen ist, von denen ein spindelseitig angeordnetes Stirnzahnrad (49) aufgenommen ist, das mit einem getriebeseitig angeordneten Stirnzahnrad (47) in Eingriff gebracht ist.10. The device according to claim 9, characterized in that the output spindle (28) is provided with an external polygon (281) and a threaded bore (282), of which a spur gear (49) arranged on the spindle side is received, which is arranged with a spur gear arranged on the transmission side ( 47) is engaged.
1 1 . Vorrichtung nach Anspruch 9 oder 1 0, dadurch gekennzeichnet, daß in der Getriebeaufnahme (40) eine Adapterwelle (46) geführt ist, deren eine Seite als1 1. Apparatus according to claim 9 or 1 0, characterized in that an adapter shaft (46) is guided in the transmission receptacle (40), one side of which as
Mitnahme-Mehrkant (462) für die Aufnahme des getriebeseitigen Stirnzahnrads (47) und deren andere Seite als Mitnahme-Fläche (461 ) für die Aufnahme eines vertikalen Kegelrads (41 ) ausgebildet ist. Driving polygon (462) for receiving the gear-side spur gear (47) and the other side of which is designed as a driving surface (461) for receiving a vertical bevel gear (41).
2. Vorrichtung nach einem der Ansprüche 9 bis 1 1 , dadurch gekennzeichnet, daß von der Getriebeaufnahme (40) quer zu der Abtriebspindel (28) eine Sechskanthohlwelle (44) geführt ist, die über ein horizontales Kegelrad (41 ) und einen Synchronantrieb von mit einer Sechskanthohlwelle des benachbarten2. Device according to one of claims 9 to 1 1, characterized in that a hexagonal hollow shaft (44) is guided by the gearbox receptacle (40) transversely to the output spindle (28), which has a horizontal bevel gear (41) and a synchronous drive with a hexagonal hollow shaft of the neighboring one
Hubelements ( 14) verbunden ist. Lifting element (14) is connected.
EP98965616A 1997-12-22 1998-12-17 Device for height adjustment of panels Expired - Lifetime EP0975249B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19757313A DE19757313C1 (en) 1997-12-22 1997-12-22 Device for height adjustment of plates
DE19757313 1997-12-22
PCT/DE1998/003711 WO1999032012A2 (en) 1997-12-22 1998-12-17 Device for height adjustment of panels

Publications (2)

Publication Number Publication Date
EP0975249A2 true EP0975249A2 (en) 2000-02-02
EP0975249B1 EP0975249B1 (en) 2003-08-20

Family

ID=7853045

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Application Number Title Priority Date Filing Date
EP98965616A Expired - Lifetime EP0975249B1 (en) 1997-12-22 1998-12-17 Device for height adjustment of panels

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US (1) US6250594B1 (en)
EP (1) EP0975249B1 (en)
AT (1) ATE247399T1 (en)
DE (2) DE19757313C1 (en)
WO (1) WO1999032012A2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017222375B4 (en) * 2017-12-11 2020-08-27 Siemens Mobility GmbH Procedure for tolerance compensation and tolerance compensation system
DE102022129572A1 (en) 2022-11-09 2024-05-16 Paul Hettich Gmbh & Co. Kg Furniture or household appliance element

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US4257569A (en) * 1979-07-26 1981-03-24 General Motors Corporation Power seat adjusting mechanism for a platform seat
DE3835436A1 (en) 1988-10-18 1990-04-19 Drabert Soehne Height-adjustment device for table tops, in particular of office furniture
US5224429A (en) * 1991-04-17 1993-07-06 Haworth, Inc. Height adjustable table
DE4227844C2 (en) 1992-08-22 1998-10-22 Fortschritt Gmbh Height adjustment device for worktops
DE9214214U1 (en) 1992-10-21 1992-12-10 RTR Büromöbelfabrik Richard Tritsch GmbH & Co KG, 7550 Rastatt Device for attaching and adjusting the height of a table top to a desk frame
US5483903A (en) * 1994-06-10 1996-01-16 Haworth, Inc. Table
DE4423402C2 (en) * 1994-07-04 1999-12-30 Maquet Ag Support column for holding a patient support surface
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Title
See references of WO9932012A2 *

Also Published As

Publication number Publication date
EP0975249B1 (en) 2003-08-20
WO1999032012A2 (en) 1999-07-01
ATE247399T1 (en) 2003-09-15
DE59809347D1 (en) 2003-09-25
DE19757313C1 (en) 1999-09-09
WO1999032012A3 (en) 1999-07-29
US6250594B1 (en) 2001-06-26

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