EP0083929B1 - Device for a work table comprising a work surface of adjustable height and inclination - Google Patents

Device for a work table comprising a work surface of adjustable height and inclination Download PDF

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Publication number
EP0083929B1
EP0083929B1 EP83100056A EP83100056A EP0083929B1 EP 0083929 B1 EP0083929 B1 EP 0083929B1 EP 83100056 A EP83100056 A EP 83100056A EP 83100056 A EP83100056 A EP 83100056A EP 0083929 B1 EP0083929 B1 EP 0083929B1
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EP
European Patent Office
Prior art keywords
posts
adjustable
fact
crossarms
fitting according
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
Application number
EP83100056A
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German (de)
French (fr)
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EP0083929A3 (en
EP0083929A2 (en
Inventor
Hans Frey
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.)
Haefele KG
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Haefele KG
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Publication date
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Priority to AT83100056T priority Critical patent/ATE18502T1/en
Publication of EP0083929A2 publication Critical patent/EP0083929A2/en
Publication of EP0083929A3 publication Critical patent/EP0083929A3/en
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Publication of EP0083929B1 publication Critical patent/EP0083929B1/en
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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
    • A47B9/00—Tables with tops of variable height
    • A47B9/04—Tables with tops of variable height with vertical spindle
    • 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
    • A47B27/00—Drawing desks or tables; Carriers for drawing-boards
    • A47B27/04—Adjustable drawing-board carriers with balancing means for the board
    • 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
    • A47B5/00—Suspended or hinged panels forming a table; Wall tables
    • 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
    • A47B2009/046—Tables with tops of variable height with vertical spindle with gearbox
    • 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
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/004—Top adjustment
    • A47B2200/0042—Height and inclination adjustable desktop, either separately or simultaneously

Definitions

  • the invention relates to a fitting for a worktable with a height-adjustable worktop that is variable in inclination.
  • fittings are also known which only allow a change in the inclination of the worktop of a work table, such as show DE-U-8 025 650 and DE-U-8 108 834.
  • the uprights are designed as tubular sections
  • the cross member is a U-section section that is open at the top, the upper side of which can be closed by means of a cover plate
  • the brackets are square tubular sections.
  • the support frame is composed of two side members and two cross members, that the support frame is rotatably mounted on two mounting brackets which are connected to the free ends of the arms and that the support frame is supported on one of the brackets by means of a gas spring.
  • the pivoting movement of the worktop is then not hindered by the cantilevers if it is provided that the bearing brackets are connected to the supporting frame via the free ends of the cantilever ends and by means of screws as bearing elements and that the cantilevers in the area of the stands on the top side have corresponding support bearings for the supporting frame exhibit.
  • the rotary bearing of the adjusting spindles and the attachment of the bevel gears are solved according to one embodiment in such a way that the adjusting spindles are supported at the upper end with a bearing section in ball bearings which are supported on bearing plates fixed to the stand and that the bearing section is guided through the bearing plate and rotatably supports the bevel gear .
  • the storage, as well as the drive of the drivable shaft in the crossbeam and its coupling with the adjusting spindles take place according to an embodiment in such a way that the drivable shaft is rotatably mounted in bearing plates which are fixed in the interior of the crossbeam that the ends of the shaft are the bevel gears wear which are in engagement with the bevel gears of the adjusting spindle and that the shaft carries a further bevel gear which is in engagement with a bevel gear arranged on a drive shaft which can be rotated by means of a crank.
  • the drive shaft consists of two telescopically displaceable parts which are rotatably coupled to one another and arranged along a boom, and that a bracket is attached to the free end of this boom, which holds the drive shaft in a non-rotatable position in an inserted position.
  • the crank can be fixed in a horizontal storage position if the design is such that the crank can be fixed non-rotatably between the bracket with a connecting piece to the drive shaft in the horizontal position. The crank then does not protrude into the space under the worktop, so that there is sufficient freedom of movement for the person sitting at the worktable. In addition the set height of the worktop is also locked.
  • the adjusting nuts are fixed in the upper ends of the adjusting sleeves designed as raw sections and that the fastening angles with one leg with the lower ones protruding from the stands Ends of the adjusting sleeves are firmly connected.
  • the arms 13 and 14 are attached, which are directed perpendicular to the cross member 10 and horizontally.
  • mounting brackets 17 and 18 are attached, on which a support frame formed from the two longitudinal members 39 and 40 and the two cross members 41 and 42 is pivotally mounted. The pivot axis is formed by screws 43 which are guided through the mounting brackets 17 and 18 and screwed into the support frame.
  • the bearing brackets 17 and 18 protrude above the top of the arms 13 and 14 and in the area of the stands 11 and 12 the arms 13 and 14 carry support bearings 15 and 16 on the top, thus in the storage position the support frame, on which the worktop is attached, assumes a horizontal starting position.
  • the set inclination of the support frame is maintained by means of a gas spring 37 which is fastened to a bolt 19 and a bearing block 38.
  • the bolt 19 protrudes on the inside of the boom 13 and receives a suspension eye of the gas spring, which is attached to the cylinder of the gas spring 37.
  • the piston rod of the gas spring is suspended on the bearing block 38, which is fastened on the inside of the cross member 41, in the region of the rear longitudinal member 40.
  • the handle frame 44 can be pivoted with the handle 44, the gas spring 37 maintaining any set inclination.
  • An additional lock can also be actuated with the handle 44.
  • the stands 11 and 12 receive an adjusting spindle 57, which, as shown in FIG. 3, is rotatably supported by a bearing section 56, but is axially immovable in the stand 11 and 12, respectively is.
  • the storage takes place in the bearing plate 61 on which the ball bearing 60 is supported.
  • the part of the bearing section 56 protruding from the bearing plate 61 carries the bevel gear 55 in a rotationally fixed manner.
  • the adjusting spindle 57 is adjustable in an adjusting nut 59 which is fixed in the upper end of the adjusting sleeve 58.
  • the lower end of the adjusting sleeve 22 or 58 protrudes from the stand 11 or 12 and is fixedly connected to one leg of a mounting bracket 20 or 27, as shown in FIG. 1.
  • the fixing can take place by means of a screw 21 or 28 which is screwed into a thread receptacle in the closed end face of the adjusting sleeve 22 or 58.
  • the adjusting sleeve 22 or 58 therefore remains telescopically adjustable in the stand 11 or 12.
  • the adjustment is carried out when the adjusting spindle 57 is rotated via the bevel gear 55.
  • the bevel gear 55 is fixed in a rotationally fixed manner on the bearing section 56 by means of the screw 29.
  • the cross member 10 is a U-shaped section which receives a drivable shaft 49.
  • This shaft 49 is rotatably mounted in bearing plates 50 and 52, which are fixed in the interior of the cross member 10.
  • the ends of the shaft 49 protrude into the upper end of the stands 11 and 12 and carry non-rotatably bevel gear wheels 54 which are in engagement with the bevel gear wheels 55 of the adjusting spindles 57.
  • the open top of the cross member 10 is closed by means of a snap-on cover plate, which is removed in the top view according to FIG. 5.
  • the drivable shaft 49 carries in the area of the bearing plate 50 a further bevel gear 51 which is connected in a rotationally fixed manner to a bevel gear 53 of a drive shaft consisting of the parts 34 and 46.
  • the bearing plate 52 designed as an angle also forms a bearing for the end of the part 46 of the drive shaft which carries the bevel gear 53.
  • the part 34 of the drive shaft is axially adjustable in the hollow part 46 of the drive shaft, but is non-rotatably guided.
  • the part 46 is rotatably supported in further bearings 47 and 48 on the inside of the boom 14, as the view according to FIG. 4 shows.
  • a bracket 36 is fastened on the inside, which holds the connecting part 45 of the crank 35 non-rotatably when the part 34 is retracted.
  • the crank 35 at the end of part 34 of the drive shaft must first be set horizontally, so that there is as much freedom of movement as possible under the worktop. This means that the set height of the worktop can be locked at the same time.
  • Each guide carriage has two fastening plates 23 and 24 or 30 and 31 which run parallel to one another and which are connected to one another by means of four bearing bolts.
  • Two bearing bolts are provided along the vertical edges of the mounting plates, on which rollers 25 and 26 or 32 and 33 are rotatably mounted, which have a tread adapted to the outer contour of the stands 11 and 12.

Landscapes

  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Machine Tool Units (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

1. Fitting for a work table with vertically adjustable top, also adjustable in its inclination, characterized by the fact that two vertical posts (11, 12) are connected to each other like a portal by means of a cross rail (10), that at the upper ends of the posts (11, 12), horizontal crossarms (13, 14) are mounted vertically to the cross rail (10), that in the area of the free ends of these crossarms (13, 14) a supporting frame for the top is mounted so that it can be tilted round a horizontal axis, that in the posts (11, 12), adjusting spindles (57) are pivotally mounted, which are adjustable in adjustable bushes (22, 58) by means of adjusting nuts (59), that the adjustable bushes (22, 58), telescopically adjustable in the posts (11, 12), protrude from the bottom ends of the posts (11, 12) and connected with the cleats (20, 27), for connecting the fitting with the table frame, and that the adjusting spindles (57) are equipped with bevel gears (55) at the upper ends, which are in gear with bevel gears (54) which are mounted on a driveable shaft (49), arranged in the cross rail (10).

Description

Die Erfindung betrifft einen Beschlag für einen Arbeitstisch mit höhenverstellbarer und in ihrer Neigung veränderbaren Arbeitsplatte.The invention relates to a fitting for a worktable with a height-adjustable worktop that is variable in inclination.

Bei den bekannten Beschlägen für Arbeitstische sind Lösungen bekannt, die allein zur Höhenverstellung der Arbeitsplatte dienen, wie z.B. das DE-U-8 003 214 und das DE-U-8 104 049 zeigen.In the known fittings for work tables, solutions are known that are used solely for height adjustment of the worktop, such as show DE-U-8 003 214 and DE-U-8 104 049.

Es sind aber auch Beschläge bekannt, die nur eine Veränderung der Neigung der Arbeitsplatte eines Arbeitstisches zulassen, wie z.B. das DE-U-8 025 650 und das DE-U-8 108 834 zeigen.However, fittings are also known which only allow a change in the inclination of the worktop of a work table, such as show DE-U-8 025 650 and DE-U-8 108 834.

Schliesslich sind auch schon Arbeitstische bekannt, bei denen die Arbeitsplatte sowohl in ihrer Höhe, als auch in ihrer Neigung verstellbar ist, wie die De-A-2 846 223 zeigt. Derartige Arbeitstische erfordern aber mehrere Beschlagteile, die in aufwendiger Montagearbeit mit dem Tischgestell und der Arbeitsplatte verbunden werden müssen. Eine schnelle und einfache Montage des Arbeitstisches in dem den Arbeitstisch herstellenden Betrieb ist mit diesen Anordnungen nicht möglich.Finally, work tables are already known in which the work surface is adjustable both in height and in inclination, as shown by De-A-2 846 223. However, such work tables require several fitting parts that have to be connected to the table frame and the worktop in complex assembly work. A quick and easy assembly of the work table in the company producing the work table is not possible with these arrangements.

Es ist Aufgabe der Erfindung, einen Beschlag für einen Arbeitstisch mit höhenverstellbarer und in ihrer Neigung veränderbaren Arbeitsplatte zu schaffen, der eine fertige Einheit darstellt, die schnell und einfach mit dem Tischgestell des Arbeitstisches verbunden werden kann und an der in gleich einfacher Weise die Arbeitsplatte angebracht werden kann.It is an object of the invention to provide a fitting for a worktable with a height-adjustable worktop which is variable in inclination, which is a finished unit which can be quickly and easily connected to the worktop table frame and to which the worktop is attached in the same simple manner can be.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, dass zwei vertikale Ständer mittels eines horizontalen Querträgers portalartig miteinander verbunden sind, dass an den oberen Enden der Ständer senkrecht zum Querträger horizontale Ausleger angebracht sind, dass im Bereich der freien Enden dieser Ausleger ein Tragrahmen für die Arbeitsplatte um eine horizontale Achse schwenkbar gelagert ist, dass in den Ständern Stellspindeln drehbar gelagert sind, die in Stellhülsen mit Stellmuttern verstellbar sind, dass die Stellhülsen teleskopartig in den Ständern verstellbar, an den unteren Enden aus den Ständern herausgeführt und mit zur Befestigung des Beschlags mit dem Tischgestell dienenden Befestigungswinkeln verbunden sind und dass die Stellspindeln an den oberen Enden Kegelzahnräder tragen, die mit Kegelzahnrädern im Eingriff stehen, welche auf einer im Querträger angeordneten, antreibbaren Welle befestigt sind.This object is achieved according to the invention in that two vertical stands are connected to one another in a portal-like manner by means of a horizontal cross member, that horizontal brackets are attached to the upper ends of the stands perpendicular to the cross member, that in the area of the free ends of these brackets a support frame for the worktop is pivotally mounted about a horizontal axis, that adjusting spindles are rotatably mounted in the uprights, which are adjustable in adjusting sleeves with adjusting nuts, that the adjusting sleeves are telescopically adjustable in the uprights, guided out of the uprights at the lower ends and used to fasten the fitting with the Mounting brackets serving table frame are connected and that the adjusting spindles at the upper ends carry bevel gears which are in engagement with bevel gears which are fastened on a drivable shaft arranged in the cross member.

Bei diesem Beschlag brauchen nur die an den Stellhülsen angebrachten Befestigungswinkel mit dem Tischgestell und die Arbeitsplatte mit dem Tragrahmen verbunden zu werden. Diese Montagearbeit ist sehr einfach und kann auch von einem Laien vorgenommen werden. Darüber hinaus können das Tischgestell und die Arbeitsplatte des Arbeitstisches vorgefertigt werden und mit dem Beschlag nach der Erfindung zum Arbeitstisch zusammengebaut werden.With this fitting, only the mounting brackets attached to the adjusting sleeves need to be connected to the table frame and the worktop to the support frame. This assembly work is very simple and can also be done by a layperson. In addition, the table frame and the worktop of the worktable can be prefabricated and assembled with the fitting according to the invention to form the worktable.

Nach einer zweckmässigen Ausgestaltung ist vorgesehen, dass die Ständer als Rohrabschnitte ausgebildet sind, dass der Querträger ein nach oben offener U-Profilabschnitt ist, dessen Oberseite mittels einer Deckplatte verschliessbar ist und dass die Ausleger Vierkantrohrabschnitte sind. Bei abgenommener Deckplatte kann der Einbau der antreibbaren Welle mit den Kegelzahnrädern in den Querträger leicht vorgenommen werden.According to an expedient embodiment, it is provided that the uprights are designed as tubular sections, that the cross member is a U-section section that is open at the top, the upper side of which can be closed by means of a cover plate, and that the brackets are square tubular sections. With the cover plate removed, the drivable shaft with the bevel gears can be easily installed in the crossmember.

Damit die Arbeitsplatte mit dem Tragrahmen die eingestellte Neigung einhält, ist nach einer weiteren Ausgestaltung vorgesehen, dass der Tragrahmen aus zwei Längsträgern und zwei Querträgern zusammengesetzt ist, dass der Tragrahmen an zwei Lagerlaschen drehbar gelagert ist, die mit den freien Enden der Ausleger verbunden sind und dass der Tragrahmen sich mittels einer Gasfeder an einem der Ausleger abstützt.So that the worktop with the support frame maintains the set inclination, it is provided according to a further embodiment that the support frame is composed of two side members and two cross members, that the support frame is rotatably mounted on two mounting brackets which are connected to the free ends of the arms and that the support frame is supported on one of the brackets by means of a gas spring.

Die Schwenkbewegung der Arbeitsplatte wird dann nicht von den Auslegern behindert, wenn vorgesehen ist, dass die Lagerlaschen über den freien Enden derAuslegerenden und mittels Schrauben als Lagerelemente mit dem Tragrahmen verbunden sind und dass die Ausleger im Bereich der Ständer an der Oberseite entsprechende Stützlager für den Tragrahmen aufweisen.The pivoting movement of the worktop is then not hindered by the cantilevers if it is provided that the bearing brackets are connected to the supporting frame via the free ends of the cantilever ends and by means of screws as bearing elements and that the cantilevers in the area of the stands on the top side have corresponding support bearings for the supporting frame exhibit.

Die Führung der Ständer im Tischgestell bei der Höhenverstellung der Arbeitsplatte wird nach einer Weiterbildung dadurch verbessert, dass zwischen dem Querträger und den Befestigungswinkeln auf den Ständern zusätzlich Führungsschlitten verstellbar sind, die aus zwei parallelen Befestigungsplatten und jeweils zwei Rollenpaaren bestehen, die auf die Befestigungsplatten miteinander verbindenden Lagerachsen drehbar gelagert sind. Diese Führungsschlitten werden über eine ihrer Befestigungsplatten am Tischgestell befestigt.The guidance of the stands in the table frame when adjusting the height of the worktop is improved according to a further development in that additional guide carriages can be adjusted between the crossmember and the mounting brackets on the stands, which consist of two parallel mounting plates and two pairs of rollers that connect to the mounting plates Bearing axes are rotatably mounted. These slides are attached to the table frame using one of their mounting plates.

Die Drehlagerung der Stellspindeln und die Anbringung der Kegelzahnräder sind nach einer Ausgestaltung so gelöst, dass die Stellspindeln am oberen Ende mit einem Lagerabschnitt in Kugellagern gelagert sind, die sich an ständerfesten Lagerplatten abstützen und dass der Lagerabschnitt durch die Lagerplatte geführt ist und drehfest das Kegelzahnrad trägt.The rotary bearing of the adjusting spindles and the attachment of the bevel gears are solved according to one embodiment in such a way that the adjusting spindles are supported at the upper end with a bearing section in ball bearings which are supported on bearing plates fixed to the stand and that the bearing section is guided through the bearing plate and rotatably supports the bevel gear .

Die Lagerung, sowie der Antrieb der antreibbaren Welle in Querträger und ihre Kopplung mit den Stellspindeln erfolgen nach einer Ausgestaltung in der Weise, dass die antreibbare Welle in Lagerplatten drehbar gelagert ist, welche im Innenraum des Querträgers festgelegt sind, dass die Enden der Welle die Kegelzahnräder tragen, die mit den Kegelzahnrädern der Stellspindel im Eingriff stehen und dass die Welle ein weiteres Kegelzahnrad trägt, welches mit einem auf einer mittels Kurbel in Drehbewegung versetztbaren Antriebswelle angeordneten Kegelzahnrad im Eingriff steht.The storage, as well as the drive of the drivable shaft in the crossbeam and its coupling with the adjusting spindles take place according to an embodiment in such a way that the drivable shaft is rotatably mounted in bearing plates which are fixed in the interior of the crossbeam that the ends of the shaft are the bevel gears wear which are in engagement with the bevel gears of the adjusting spindle and that the shaft carries a further bevel gear which is in engagement with a bevel gear arranged on a drive shaft which can be rotated by means of a crank.

Dabei ist zusätzlich vorgesehen, dass die Antriebswelle aus zwei teleskpoartig ineinander verschiebbaren Teilen besteht, die drehfest miteinander gekoppelt und längs eines Auslegers angeordnet sind, und dass am freien Ende dieses Auslegers ein Bügel angebracht ist, der die Antriebswelle in einer eingeschobenen Stellung unverdrehbar festhält. Die Kurbel kann dabei in einer horizontalen Ablagestellung fixiert werden, wenn die Auslegung so ist, dass die Kurbel bei horizontaler Stellung mit einem Anschlussstück zur Antriebswelle zwischen dem Bügel unverdrehbar festlegbar ist. Die Kurbel ragt dann nicht in den Raum unter der Arbeitsplatte, so dass eine ausreichende Bewegungsfreiheit für die an dem Arbeitstisch sitzende Person gegeben ist. Zudem wird darüber auch die eingestellte Höhe der Arbeitsplatte arretiert.It is additionally provided that the drive shaft consists of two telescopically displaceable parts which are rotatably coupled to one another and arranged along a boom, and that a bracket is attached to the free end of this boom, which holds the drive shaft in a non-rotatable position in an inserted position. The crank can be fixed in a horizontal storage position if the design is such that the crank can be fixed non-rotatably between the bracket with a connecting piece to the drive shaft in the horizontal position. The crank then does not protrude into the space under the worktop, so that there is sufficient freedom of movement for the person sitting at the worktable. In addition the set height of the worktop is also locked.

Um möglich die gesamte Länge der Ständer für die Höhenverstellung der Arbeitsplatte ausnützen zu können, ist nach einer Ausgestaltung vorgesehen, dass die Stellmuttern in den oberen Enden der als Rohabschnitte ausgebildeten Stellhülsen festgelegt sind und dass die Befestigungswinkel mit einem Schenkel mit den aus den Ständern ragenden unteren Enden der Stellhülsen fest verbunden sind.In order to be able to utilize the entire length of the stand for the height adjustment of the worktop, it is provided according to one embodiment that the adjusting nuts are fixed in the upper ends of the adjusting sleeves designed as raw sections and that the fastening angles with one leg with the lower ones protruding from the stands Ends of the adjusting sleeves are firmly connected.

Die Erfindung wird anhand eines in den Zeichnungen dargestellen Ausführungsbeispiels näher erläutert. Es zeigt:

  • Fig. 1 in Vorderansicht den Beschlag nach der Erfindung mit geneigtem Tragrahmen,
  • Fig. 2 in Seitenansicht den Beschlag nach Fig. 1,
  • Fig. 3 einen Schnitt entlang der Linie 111-111 der Fig. 5 durch den Eckbereich zwischen einem Ständer und dem Querträger,
  • Fig. 4 die Ansicht in Richtung IV der Fig. 1 und
  • Fig. 5 eine Draufsicht auf den Eckbereich nach Fig. 3 bei abgenommener Deckplatte des Querträgers.
The invention is explained in more detail with reference to an embodiment shown in the drawings. It shows:
  • 1 is a front view of the fitting according to the invention with an inclined support frame,
  • 2 is a side view of the fitting of FIG. 1,
  • 3 shows a section along the line 111-111 of FIG. 5 through the corner region between a stand and the cross member,
  • Fig. 4 is the view in the direction IV of Fig. 1 and
  • Fig. 5 is a plan view of the corner area of FIG. 3 with the cover plate of the cross member removed.

Der Beschlag nach Fig. 1 besteht aus den beiden vertikalen Ständern 11 und 12, die als Rohrabschnitte ausgebildet sind und mittels des Querträgers 10 portalartig miteinander verbunden sind. An den oberen Enden der Ständer 11 und 12 sind die Ausleger 13 und 14 angebracht, die senkrecht zu dem Querträger 10 und horizontal gerichtet sind. An den freien Enden der Ausleger 13 und 14 sind Lagerlaschen 17 und 18 angebracht, an denen ein aus den beiden Längsträgern 39 und 40 und den beiden Querträgern 41 und 42 gebildeter Tragrahmen schwenkbar gelagert ist. Die Schwenkachse wird durch Schrauben 43 gebildet, die durch die Lagerlaschen 17 und 18 geführt und in den Tragrahmen eingeschraubt sind.1 consists of the two vertical stands 11 and 12, which are designed as tubular sections and are connected to one another in a portal manner by means of the cross member 10. At the upper ends of the stands 11 and 12, the arms 13 and 14 are attached, which are directed perpendicular to the cross member 10 and horizontally. At the free ends of the arms 13 and 14, mounting brackets 17 and 18 are attached, on which a support frame formed from the two longitudinal members 39 and 40 and the two cross members 41 and 42 is pivotally mounted. The pivot axis is formed by screws 43 which are guided through the mounting brackets 17 and 18 and screwed into the support frame.

Wie die Seitenansicht nach Fig. 2 zeigt, stehen die Lagerlaschen 17 und 18 über die Oberseite der Ausleger 13 und 14 vor und im Bereich der Ständer 11 und 12 tragen die Ausleger 13 und 14 auf der Oberseite Stützlager 15 und 16, damit in der Ablagestellung der Tragrahmen, auf dem die Arbeitsplatte befestigt wird, eine horizontale Ausgangsstellung einnimmt. Die eingestellte Neigung des Tragrahmens wird mittels einer Gasfeder 37 eingehalten, welche an einem Bolzen 19 und einem Lagerbock 38 befestigt ist. Der Bolzen 19 steht an der Innenseite des Auslegers 13 vor und nimmt eine Einhängeöse der Gasfeder auf, welche am Zylinder der Gasfeder 37 befestigt ist. Die Kolbenstange der Gasfeder ist an dem Lagerbock 38 eingehängt, welcher auf der Innenseite des Querträgers 41 befestigt ist und zwar im Bereich des hinteren Längsträgers 40. Mit dem Handgriff 44 kann der Tragrahmen verschwenkt werden, wobei die Gasfeder 37 jede eingestellte Neigung einhält. Mit dem Handgriff 44 kann aber auch eine zusätzliche Sperre betätigt werden.As the side view according to FIG. 2 shows, the bearing brackets 17 and 18 protrude above the top of the arms 13 and 14 and in the area of the stands 11 and 12 the arms 13 and 14 carry support bearings 15 and 16 on the top, thus in the storage position the support frame, on which the worktop is attached, assumes a horizontal starting position. The set inclination of the support frame is maintained by means of a gas spring 37 which is fastened to a bolt 19 and a bearing block 38. The bolt 19 protrudes on the inside of the boom 13 and receives a suspension eye of the gas spring, which is attached to the cylinder of the gas spring 37. The piston rod of the gas spring is suspended on the bearing block 38, which is fastened on the inside of the cross member 41, in the region of the rear longitudinal member 40. The handle frame 44 can be pivoted with the handle 44, the gas spring 37 maintaining any set inclination. An additional lock can also be actuated with the handle 44.

Damit die mit dem Tragrahmen verbundene Arbeitsplatte auch in der Höhe verstellt werden kann, nehmen die Ständer 11 und 12 eine Stellspindel 57 auf, die wie Fig. 3 zeigt, mit einem Lagerabschnitt 56 drehbar, jedoch axial unverschiebbar in dem Ständer 11 bzw. 12 gelagert ist. Die Lagerung erfolgt in der Lagerplatte 61, an der sich das Kugellager 60 abstützt. Der aus der Lagerplatte 61 ragende Teil des Lagerabschnittes 56 trägt drehfest das Kegelzahnrad 55. Die Stellspindel 57 ist in einer stellmutter 59 verstellbar, die im oberen Ende der Stellhülse 58 festgelegt ist. Das untere Ende der Stellhülse 22 bzw. 58 ragt aus dem Ständer 11 bzw. 12 und ist fest mit einem Schenkel eines Befestigungswinkels 20 bzw. 27 verbunden, wie Fig. 1 zeigt. Die Festlegung kann dabei mittels einer Schraube 21 bzw. 28 erfolgen, die in eine Gewindeaufnahme in der geschlossenen Stirnseite der Stellhülse 22 bzw. 58 eingeschraubt ist. Die Stellhülse 22 bzw. 58 bleibt daher in dem Ständer 11 bzw. 12 teleskopartig verstellbar. Die Verstellung wird ausgeführt, wenn die Stellspindel 57 über das Kegelzahnrad 55 in Drehbewegungen versetzt wird. Das Kegelzanrad 55 wird mittels der Schraube 29 drehfest auf dem Lagerabschnitt 56 festgelegt.So that the worktop connected to the support frame can also be adjusted in height, the stands 11 and 12 receive an adjusting spindle 57, which, as shown in FIG. 3, is rotatably supported by a bearing section 56, but is axially immovable in the stand 11 and 12, respectively is. The storage takes place in the bearing plate 61 on which the ball bearing 60 is supported. The part of the bearing section 56 protruding from the bearing plate 61 carries the bevel gear 55 in a rotationally fixed manner. The adjusting spindle 57 is adjustable in an adjusting nut 59 which is fixed in the upper end of the adjusting sleeve 58. The lower end of the adjusting sleeve 22 or 58 protrudes from the stand 11 or 12 and is fixedly connected to one leg of a mounting bracket 20 or 27, as shown in FIG. 1. The fixing can take place by means of a screw 21 or 28 which is screwed into a thread receptacle in the closed end face of the adjusting sleeve 22 or 58. The adjusting sleeve 22 or 58 therefore remains telescopically adjustable in the stand 11 or 12. The adjustment is carried out when the adjusting spindle 57 is rotated via the bevel gear 55. The bevel gear 55 is fixed in a rotationally fixed manner on the bearing section 56 by means of the screw 29.

Der Querträger 10 ist ein U-Profilabschnitt, der eine antreibbare Welle 49 aufnimmt. Diese Welle 49 ist in Lagerplatten 50 und 52 drehbar gelagert, welche in dem Innenraum des Querträgers 10 festgelegt sind. Die Enden der Welle 49 ragen in das obere Ende der Ständer 11 und 12 und tragen drehfest Kegelzahnräder 54, welche mit den Kegelzahnrädern 55 der Stellspindeln 57 im Eingriff stehen. Die offene Oberseite des Querträgers 10 wird mittels einer aufschnappbaren Deckplatte verschlossen, die in der Draufsicht nach Fig. 5 abgenommen ist.The cross member 10 is a U-shaped section which receives a drivable shaft 49. This shaft 49 is rotatably mounted in bearing plates 50 and 52, which are fixed in the interior of the cross member 10. The ends of the shaft 49 protrude into the upper end of the stands 11 and 12 and carry non-rotatably bevel gear wheels 54 which are in engagement with the bevel gear wheels 55 of the adjusting spindles 57. The open top of the cross member 10 is closed by means of a snap-on cover plate, which is removed in the top view according to FIG. 5.

Die antreibbare Welle 49 trägt im Bereich der Lagerplatte 50 ein weiteres Kegelzahnrad 51, das mit einem Kegelzahnrad 53 einer aus den Teilen 34 und 46 bestehenden Antriebswelle drehfest verbunden ist. Die als Winkel ausgebildete Lagerplatte 52 bildet auch ein Lager für das Ende des Teiles 46 des Antriebswelle, welches das Kegelzahnrad 53 trägt. Das Teil 34 der Antriebswelle ist in dem hohlen Teil 46 der Antriebswelle axial verstellbar, jedoch unverdrehbar geführt. Das Teil 46 ist in weiteren Lagern 47 und 48 auf der Innenseite des Auslegers 14 drehbar gelagert, wie die Ansicht nach Fig. 4 zeigt. Am Ende des Auslegers 14 ist auf der Innenseite ein Bügel 36 befestigt, der bei eingefahrenem Teil 34 das Anschlussteil 45 der Kurbel 35 unverdrehbar festhält. Dabei ist die Kurbel 35 am Ende des Teils 34 der Antriebswelle erst horizontal zu stellen, damit unter der Arbeitsplatte möglichst grosser Bewegungsspielraum gegeben ist. Damit lässt sich gleichzeitig die eingestellte Höhe der Arbeitsplatte arretieren.The drivable shaft 49 carries in the area of the bearing plate 50 a further bevel gear 51 which is connected in a rotationally fixed manner to a bevel gear 53 of a drive shaft consisting of the parts 34 and 46. The bearing plate 52 designed as an angle also forms a bearing for the end of the part 46 of the drive shaft which carries the bevel gear 53. The part 34 of the drive shaft is axially adjustable in the hollow part 46 of the drive shaft, but is non-rotatably guided. The part 46 is rotatably supported in further bearings 47 and 48 on the inside of the boom 14, as the view according to FIG. 4 shows. At the end of the boom 14, a bracket 36 is fastened on the inside, which holds the connecting part 45 of the crank 35 non-rotatably when the part 34 is retracted. The crank 35 at the end of part 34 of the drive shaft must first be set horizontally, so that there is as much freedom of movement as possible under the worktop. This means that the set height of the worktop can be locked at the same time.

Wie die in Fig. 1 und 2 zeigen, sind zwischen dem Querträger 10 und den Befestigungswinkeln 20 und 27 auf den Ständern 11 und 12 zusätzlich Führungsschlitten verstellbar. Jeder Führungsschlitten weist zwei parallel zueinander verlaufende Befestigungsplatten 23 und 24 bzw. 30 und 31 auf, welche mittels vier Lagerbolzen miteinander verbunden sind. Dabei sind jeweils zwei Lagerbolzen längs der vertikalen Kanten der Befestigungsplatten vorgesehen, auf denen Rollen 25 und 26 bzw. 32 und 33 drehbar gelagertsind, die eine an die Aussenkontur der Ständer 11 und 12 angepasste Lauffläche aufweisen.As shown in FIGS. 1 and 2, additional guide slides are adjustable between the cross member 10 and the mounting brackets 20 and 27 on the stands 11 and 12. Each guide carriage has two fastening plates 23 and 24 or 30 and 31 which run parallel to one another and which are connected to one another by means of four bearing bolts. Two bearing bolts are provided along the vertical edges of the mounting plates, on which rollers 25 and 26 or 32 and 33 are rotatably mounted, which have a tread adapted to the outer contour of the stands 11 and 12.

Der Beschlag nach Fig. 1 bis 5 wird oben von her in ein Tischgestell eingeführt, wobei die Befestigungswinkel 20 und 27 und jeweils eine Befestigungsplatte, z.B. 23 und 30 der Führungsschlitten mit einer Wand des vorgefertigten Tischgestelles, das auch als Unterschrank ausgebildet sein kann, verbunden werden. Dann braucht nur noch die vorgefertigte Arbeitsplatte mit dem Tragrahmen verbunden zu werden und der Arbeitstisch ist fertig montiert. Der Montageaufwand in dem Herstellungsbetrieb der Möbelteile ist daher sehr gering, da der Beschlag eine Einheit für sich darstellt, die schnell und leicht Tischgestell und Arbeitsplatte so vereinigt, dass die Arbeitsplatte nicht nur in ihrer Arbeitshöhe, sondern auch in ihrer Neigung verändert werden kann.1 to 5 is inserted from above into a table frame, the mounting brackets 20 and 27 and a mounting plate, for example 23 and 30 of the guide carriage with a wall of the prefabricated table frame, which is also known as Un cabinet can be formed, connected. Then only the prefabricated worktop needs to be connected to the support frame and the work table is fully assembled. The assembly effort in the manufacturing of the furniture parts is therefore very low, since the fitting is a unit in itself, which quickly and easily combines the table frame and worktop so that the worktop can be changed not only in its working height, but also in its inclination.

Claims (10)

1. Fitting for a work table with vertically adjustable top, also adjustable in its inclination, characterized by the fact
that two vertical posts (11, 12) are connected to each other like a portal by means of a cross rail (10),
that at the upper ends of the posts (11, 12), horizontal crossarms (13, 14) are mounted vertically to the cross rail (10),
that in the area of the free ends of these crossarms (13, 14) a supporting frame for the top is mounted so that it can be tilted round a horizontal axis,
that in the posts (11, 12), adjusting spindles (57) are pivotally mounted, which are adjustable in adjustable bushes (22, 58) by means of adjusting nuts (59), that the adjustable bushes (22, 58), telescopically adjustable in the posts (11, 12), protrude from the bottom ends of the posts (11, 12) and connected with the cleats (20, 27), for connecting the fitting with the table frame, and
that the adjusting spindles (57) are equipped with bevel gears (55) at the upper ends, which are in gear with bevel gears (54) which are mounted on a driveable shaft (49), arranged in the cross rail (10).
2. Fitting according to claim 1, characterized by the fact
that the posts (11, 12) have the form of tube sections, that the cross rail (10) is a U-channel, open on the upper part, the open upper side of which can be closed by means of a cover plate and
that the crossarms (13, 14) are square sections.
3. Fitting according to claims 1 or 2, characterized by the fact
that the supporting frame is assembled of two horizontal rails (39, 40) and two cross rails (41, 42), that the supporting frame is pivotally mounted on two brackets (17, 18), which are connected with the free ends of the crossarms (13, 14) and
that the supporting frame supports itself on one of the crossarms (e. g. 13) by means of a pneumatic spring (37).
4. Fitting according to claim 3, characterized by the fact
that the brackets (17, 18) end above the free ends of the crossarms (13, 14) and are connected as bearing elements with the supporting frame by means of screws (43), and
that the crossarms (13, 14) are characterized by related radial-thrust bearings (15, 16) on the upper side for the supporting frame in the area of the posts (11, 12).
5. Fitting according to one of the claims 1 to 4, characterized by the fact
that between the cross rail (10) and the cleats (20, 27) on the posts (11, 12) guiding slides are, apart from that, adjustable, which consist of two parallel mounting plates (23, 24 resply. 30, 31) and in each case two pairs of pulleys (25, 26 resply. 32, 33), which are pivotally mounted on the bearing axles, which connect the mounting plates.
6. Fitting according to one of the claims 1 to 5, characterized by the fact
that the adjusting spindles (57) are running in ball bearings (60) on the upper end with a bearing section (56), which support themselves on the bearing plates
(59), which are mounted on the posts, and that the bearing section (56) runs through the bearing plate (59) and carries the torsion-free bevel gear (55).
7. Fitting according to one of the claims 1 to 6, characterized by the fact,
that the driveable shaft (49) is pivotally mounted in bearing plates (50, 52), which are fixed in the inside of the cross rail (10),
that the ends of the shaft (49) carry the bevel gears (54), which are in gear with the bevel gears (55) of the adjusting spindles (57) and
that the shaft (49) carries a further bevel gear (51), which is in gear with a bevel gear (53), arranged on a drive shaft (34, 46), which can be rotated by means of a crank (35).
8. Fitting according to claim 7, characterized by the fact
that the drive shaft consists of two telescopic sliding parts (34, 46), which are connected torsion-free and arranged along a crossarm (e.g. 14) and
that on the free end of this crossarm (14) a support (36) is mounted, which fixes torsion-free the drive shaft in the retracted position.
9. Fitting according to claim 8, characterized by the fact,
that the crank (35), in horizontal position, can be torsion-free fixed by means of a connecting piece (45) to the drive shaft (34) between the support (36).
10. Fitting according to one of the claims 1 to 9, characterized by the fact,
that the adjusting nuts (59) are fixed in the upper parts of the adjusting spindles (22, 58) which have the form of sections, and
that a leg of the cleats (20, 27) is steadily connected with the bottom ends of the adjustable bushes (22, 58), protruding from the posts (11, 12).
EP83100056A 1982-01-13 1983-01-05 Device for a work table comprising a work surface of adjustable height and inclination Expired EP0083929B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83100056T ATE18502T1 (en) 1982-01-13 1983-01-05 FITTING FOR A WORK TABLE WITH HEIGHT-ADJUSTABLE AND ADJUSTABLE WORKTOP.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8200573U 1982-01-13
DE19828200573U DE8200573U1 (en) 1982-01-13 1982-01-13 FITTING FOR A WORK TABLE WITH HEIGHT-ADJUSTABLE AND TILTABLE WORKTOP

Publications (3)

Publication Number Publication Date
EP0083929A2 EP0083929A2 (en) 1983-07-20
EP0083929A3 EP0083929A3 (en) 1984-05-16
EP0083929B1 true EP0083929B1 (en) 1986-03-12

Family

ID=6736009

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83100056A Expired EP0083929B1 (en) 1982-01-13 1983-01-05 Device for a work table comprising a work surface of adjustable height and inclination

Country Status (3)

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EP (1) EP0083929B1 (en)
AT (1) ATE18502T1 (en)
DE (2) DE8200573U1 (en)

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DE3531251A1 (en) * 1984-09-07 1986-03-13 C. & H. Leuthäußer Inh. Hilmar Leuthäußer, 8631 Wiesenfeld Pivotable table for a data-processing printer
GB9022590D0 (en) * 1990-10-17 1990-11-28 Fitzgerald Patrick W Folding furniture
DE202012104021U1 (en) 2012-10-19 2012-12-03 Daniel Korb Fitment
DE102013002003B4 (en) 2013-02-06 2023-11-09 B. Ketterer Söhne GmbH & Co. KG Adjusting device for adjusting the height of a table or worktop of a piece of furniture
EP3565933A4 (en) 2017-05-19 2021-03-10 DIRTT Environmental Solutions, Ltd. Systems and methods for selectively positioning wall-mounted devices
DE102018126099A1 (en) 2018-10-19 2020-04-23 Kesseböhmer Produktions GmbH & Co. KG table
CN109124048A (en) * 2018-10-29 2019-01-04 陕西国防工业职业技术学院 A kind of Art Design drawing dedicated easy to remove
CN109380877B (en) * 2018-12-10 2023-10-10 西南交通大学 Portable drawing board frame for building design based on drawing fixture
WO2020191324A1 (en) * 2019-03-20 2020-09-24 Dirtt Environmental Solutions Inc. Height adjusting and leveling worksurface cantilever

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FR1079933A (en) * 1953-04-08 1954-12-03 Device for supporting and adjusting the position of any support, such as a seat, chair, table or the like
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FR1355443A (en) * 1963-05-10 1964-03-13 Skrivrit Ab Adjustable height school desk
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US3385238A (en) * 1966-09-28 1968-05-28 Jarke Corp Mobile elevating table
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DE8108834U1 (en) * 1981-03-26 1981-09-17 Moll, Hellmuth, 7341 Mühlhausen FITTING FOR A PIECE OF FURNITURE THAT INCLUDES A FURNITURE PART THAT CAN BE ADJUSTABLE ABOUT A HINGE AXLE

Also Published As

Publication number Publication date
EP0083929A3 (en) 1984-05-16
EP0083929A2 (en) 1983-07-20
ATE18502T1 (en) 1986-03-15
DE8200573U1 (en) 1982-06-16
DE3362477D1 (en) 1986-04-17

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