EP1604589B1 - Dispositif de réglage de la hauteur d'une table - Google Patents

Dispositif de réglage de la hauteur d'une table Download PDF

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Publication number
EP1604589B1
EP1604589B1 EP04405361A EP04405361A EP1604589B1 EP 1604589 B1 EP1604589 B1 EP 1604589B1 EP 04405361 A EP04405361 A EP 04405361A EP 04405361 A EP04405361 A EP 04405361A EP 1604589 B1 EP1604589 B1 EP 1604589B1
Authority
EP
European Patent Office
Prior art keywords
table legs
coupling means
legs
adjusting
spindles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP04405361A
Other languages
German (de)
English (en)
Other versions
EP1604589A1 (fr
Inventor
Kurt Scherrer
Alexander Schärer
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.)
USM Holding AG
Original Assignee
USM Holding AG
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
Priority to ES04405361T priority Critical patent/ES2309480T3/es
Priority to AT04405361T priority patent/ATE399488T1/de
Priority to SI200430787T priority patent/SI1604589T1/sl
Application filed by USM Holding AG filed Critical USM Holding AG
Priority to DE502004007486T priority patent/DE502004007486D1/de
Priority to PL04405361T priority patent/PL1604589T3/pl
Priority to PT04405361T priority patent/PT1604589E/pt
Priority to EP04405361A priority patent/EP1604589B1/fr
Priority to DK04405361T priority patent/DK1604589T3/da
Priority to US11/127,275 priority patent/US7574965B2/en
Priority to JP2005172692A priority patent/JP4410727B2/ja
Publication of EP1604589A1 publication Critical patent/EP1604589A1/fr
Priority to HK06106252A priority patent/HK1085104A1/xx
Application granted granted Critical
Publication of EP1604589B1 publication Critical patent/EP1604589B1/fr
Priority to CY20081101075T priority patent/CY1110404T1/el
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
    • 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 adjusting the height of a table with three or more arranged in an edge region of the table legs, each adjacent legs are connected by a horizontal, hollow profile-like connecting element.
  • Each of the table legs comprises a telescopic mechanism for changing its length, which is adjustable by turning a rotatably mounted adjusting element, wherein the adjusting elements are vertical spindles and wherein a drive member is rotatably connected to each of the spindles.
  • the invention further relates to a table with a device for height adjustment and a method for retrofitting a table with a device for height adjustment.
  • the US 5,088,421 shows, for example, a work desk with a vertically adjustable worktop, which has at its corners four legs, which are connected laterally and on the back by plates. On the legs is a rectangular extending table frame, which carries the table top. The four table legs each have a spindle drive for height adjustment. In the corners of the frame triangular frames are fixed, each with a bearing for one of the spindles. All spindles are through a single circumferential chain, which runs along the Zargeninnenseite synchronized with each other. The chain is driven by a motor via a drive pinion.
  • the EP 0 283 103 A1 (Technical bottles Adviesbureau) relates to a table leg for a height-adjustable table with at least two, substantially juxtaposed L-shaped table legs.
  • the table legs comprise two mutually adjustable sections, of which the upper is fixed to the table top and the lower comprises a spindle bush which cooperates with a spindle in the upper portion.
  • An electric drive is rotatably in the lower portion of the table leg, but held displaceable and freely suspended at the lower free end of the spindle.
  • the spindles of several other, non-powered legs can be coupled to the driven spindle.
  • toothed disks are arranged on the driven spindle, via which the toothed belt transmits the spindle movement to the spindles of the other legs.
  • timing belt is arranged open: compared to a chain contamination by lubricant can indeed be avoided, but there is still a risk of injury and the arrangement of the timing belt is aesthetically unsatisfactory.
  • a protective element in which the chain is received From the FR 2 747 280 (BI 2 S SA) is for example a height-adjustable frame for furniture in the hospital known, for example, for beds or tubs.
  • the frame is formed by a rectangular frame with two longitudinal tubes and transverse tubes arranged between them, wherein at the corners in each case a vertical, height-adjustable three-part Teleskopfuss is fixed with rollers.
  • a motor is arranged which drives a pinion, which cooperates with a drive chain which is guided in channels in the longitudinal and transverse tubes of the frame (page 3, lines 28-35).
  • the drive chain interacts in the telescopic feet with a spindle at the top End of a pinion is arranged rotationally fixed. About the external thread of the spindle of the three-part Teleskopfuss is retracted or retracted.
  • Chains are relatively heavy and expensive and require regular maintenance. Wedge or timing belt are lighter, cheaper and virtually maintenance-free, but prone to length changes.
  • the circulating in the furniture frame belts are quite long, so that even a small relative change in length is sufficient so that the contact between the belt and the corresponding pulleys is no longer guaranteed or that due to the forces occurring the table frame is warped.
  • a circulating belt can also be used in the production or retrofitting of the table only in the surrounding table frame, if the frame is designed accordingly, so can share accordingly or, for example, has a continuous longitudinal slot, or if the belt can be divided and reconnected , The longitudinal slot is not desirable for aesthetic and safety reasons, a division makes the belt more expensive and less durable.
  • the object of the invention is to provide a the aforementioned technical field associated device for height adjustment, which is reliable, aesthetically unobtrusive and easy to manufacture and assemble.
  • the device for height adjustment comprises a plurality of endless coupling means, which are received within the connecting elements and each mechanically synchronize two actuating elements, wherein the coupling means are arranged such that they rotate around the drive parts of the spindles of the adjacent table legs and cooperate therewith, guides are provided for the endless coupling means, which have an outer cross-section which substantially corresponds to an inner cross section of the table legs and which comprise a longitudinally oriented receptacle for the drive part and laterally arranged openings for carrying out the coupling means.
  • a single one of the coupling means which synchronizes two of the adjusting elements with each other, has a smaller spatial extent than a single coupling means, which must synchronize all the adjusting elements with each other. Length changes are therefore made to a lesser extent, so that a reliable operation is ensured.
  • the separate coupling means can also be arranged so that an installation in the Connecting elements is also easily possible if the elements are closed, that is, for example, substantially tubular.
  • a table for which the device according to the invention for height adjustment is suitable for example, comprises a rectangular, horizontally oriented table top, in each of whose four corners a table leg is arranged.
  • hollow profile-like frames run as connecting elements between the legs of the table.
  • the frames and table legs can together form a mechanically stable table frame, on which the tabletop is merely placed.
  • the table top can also be screwed to the frames.
  • the table legs be directly connected to the table top, and the fasteners provide additional stabilization or serve in addition to the inclusion of the coupling means mainly aesthetic purposes.
  • a separate coupling means is accommodated, by which the adjusting elements of the table legs adjacent to the connecting element are synchronized.
  • Telescope mechanisms for changing the length of table legs are known per se. They may comprise two or more telescoping telescopic elements which are adjustable relative to each other.
  • the telescopic elements may for example have a cylindrical or another prismatic shape. From top to bottom, the telescoping elements may have a stepwise increasing or a stepwise decreasing cross section, such that the inside wall of one element can be slidably mounted on the outside wall of the corresponding adjacent element.
  • the adjusting elements are vertical spindles, which interact via a thread with a telescopic element of the telescopic mechanism.
  • Such a mechanism is stable and structurally simple, by the transmitted to the actuator rotational movement is used directly for vertical displacement of the spindle or the cooperating telescopic element.
  • the spindles can be designed both as hollow spindles with internal and / or external thread as well as full spindles with external thread.
  • the coupling means are endless, and with each of the spindles a drive member is rotatably connected.
  • the coupling means are arranged so that they rotate around the drive parts of the spindles of the adjacent table legs and cooperate therewith. In this way, a purely mechanical synchronization of the telescopic mechanisms of adjacent legs is realized, which is simple, inexpensive, low maintenance and easy.
  • the drive member may be integrally formed on the spindle, or it is screwed to the spindle, for example, riveted, welded, glued or positively attached to the spindle.
  • the endless coupling means are preferably belts, in particular toothed belts, or chains.
  • Belts are lightweight, cost-effective, maintenance-free and low-maintenance.
  • Form-fitting belts, such as toothed belts also ensure that the synchronization between the spindles is always ensured by the positive connection with the drive parts.
  • timing belt and V-belt or flat belt can be used, optionally together with corresponding belt tensioners, which are arranged for example in the connecting elements.
  • the synchronization between The spindles also ensured, the risk of length change is also minimized compared to other endless coupling means.
  • Spacers are preferably arranged in the connecting elements for guiding the two opposite sections of the endless coupling means in the connecting elements.
  • the spacers avoid wedging the two parallel, opposing portions of the endless coupling means, which are guided in a connecting element.
  • Any clamping device for the coupling means is advantageously also formed on the spacers or attached thereto.
  • two spacers can be arranged at the two outer ends of the connecting element, a plurality of spacers spaced along the connecting element, or a spacer can be substantially over the entire length of the Extend connecting element. With sufficient spacing of the portions of the endless coupling means, two spacers arranged at the ends are preferred because they are easily mountable in the connector and contribute little additional weight, especially when made of a lightweight material such as plastic.
  • the device comprises guides for the endless coupling means, wherein the guides have an outer cross section which substantially corresponds to an inner cross section of the table legs.
  • the guides comprise a longitudinally oriented receptacle for the drive part and laterally arranged openings for passing through the coupling means. Due to its shape and dimensions, the guide can be conveniently received in the table leg so that it can be easily fixed without spacers or other fixtures.
  • Each coupling means which cooperates with the spindle, enters through the laterally arranged opening, runs around the drive part and exits through the same or another lateral opening parallel to the incoming section.
  • the shape of the guide is chosen so that the endless coupling means is guided exactly around the drive part.
  • the arrangement and size of the openings in the bearings may be freely selected depending on the dimensions of the coupling means, the guide and the drive member, for example, a plurality of coupling means may be passed through a single large aperture or through a plurality of smaller apertures.
  • the openings may be shaped so that their outer edges form guides through which the coupling means is guided at the transition between the table leg and the frames.
  • the opening can still be subdivided into two partial openings by an additional piece, with the additional piece simultaneously serving as spacers or being able to be formed on a spacer.
  • each of the guides is formed by at least three guide bushes arranged longitudinally one behind the other, wherein two openings for the coupling means are formed at two different longitudinal ends of the guide bushes.
  • the coupling means so are each an opening formed at the transition between the first and the second sleeve and at the transition between the second and the third socket, wherein meh rere configurations are possible by the openings can be made either in the outer socket or in the middle socket or in both sockets.
  • the openings are each axially closed by the adjacent bush, so that the coupling agent is securely guided by the guide and held laterally.
  • each of the guides is formed by exactly three identical guide bushes, which are plugged into each other with different orientation.
  • guide bushes made in a compression molding or molding process (e.g., injection molding)
  • the pluggability allows easy assembly and ensures that the sockets are fixed in their orientation to each other.
  • the guide bushes preferably have an opening for the coupling means at one of their longitudinal ends. Two of the guide bushes are now arranged so that the corresponding openings are aligned with the male coupling means, in a rectangular table, the two openings, for example, at an angle of 90 ° to each other.
  • the opening of the third guide bush is not used.
  • two or three different types of guide bushes may be provided, for example those without and those with an opening.
  • the bushes can also be welded, glued or screwed together, or their relative orientation is secured by a longitudinally through all bushes pushable bolt.
  • the telescopic mechanism of the table legs is designed such that an actuating means for the user for height adjustment of the table is directly rotatably coupled to the actuator.
  • a manual adjustment of the table height is made possible in a simple manner.
  • By synchronizing the telescopic mechanisms of the other legs a uniform height adjustment of the table height is guaranteed.
  • the device for table height adjustment may also comprise an electric drive, which either to the adjusting means of one of the telescopic mechanisms or coupled to a coupling means.
  • an additional, manually operable drive part which interacts with a coupling means away from the table legs, is also possible.
  • the telescopic mechanism of each of the table legs has a coupling for selectively coupling the actuating means.
  • the coupling can be designed in particular as a plug-in connection, to which a crank can be plugged as an actuating means.
  • the plug-in connection can be designed as a recess, e.g. be formed as hexagon socket, or as a projection in a final part of the table leg, which is rotatably mounted in the table leg and rotatably connected to the actuator. Because each of the table legs has said coupling, care must not be taken when actuating the height adjustment, where the actuating means is recognized.
  • a recess as a plug-in connection is also particularly advantageous because when not in use the height adjustment in a simple manner, a flat lid can be placed on the final part of the leg of the table, which has, for example, a resilient projection which engages in the recess and holds the lid on the end part.
  • the coupling is provided only on one or on some of the table legs.
  • the actuating means may also be permanently coupled to the actuating element and executed depending on the required torque, for example, as a handwheel or fold-out lever.
  • the connecting elements extend between the table legs, and in the table legs side openings for passing the coupling means are provided in the connecting elements.
  • Each coupling means which cooperates with the adjusting element, thus passes out of the connecting element through an end-side opening of the connecting element and the corresponding lateral opening in the table leg and is mechanically coupled behind it with the adjusting element.
  • the arrangement and the size of the openings can be chosen freely depending on the type and dimensions of the coupling means and the adjusting element, it can be provided in a table leg and a plurality of side openings for the same coupling means.
  • the connecting elements can be arranged at the upper end of the table legs and, for example, with their upper side aligned with the upper end of the table legs, so that a circumferential Frame is formed. Such a configuration allows the tabletop to be placed on or fastened to the connectors.
  • the connecting elements can also be arranged further below, spaced from the table top, in which case the table top is supported by the table legs.
  • the connecting elements can be placed on top of the table legs, i. H. the table legs are attached to the bottom of the connecting elements, which are assembled in the manner of a frame.
  • the coupling elements extend completely within the connecting elements. Either mechanical connections are created to the adjusting elements of the telescopic mechanisms, or the adjusting elements pass through an opening formed at the bottom in the corner regions of the connecting elements and are thus also positioned within the connecting elements after assembly.
  • FIG. 1 shows a schematic representation of a table with an inventive device for height adjustment in a plan view of the table top.
  • a table leg 3.1, 3.2, 3.3, 3.4 is arranged in each of the four corners of the substantially rectangular table top 2 of the table 1.
  • the table legs 3.1 ... 3.4 have a circular cross section and are aligned with the two adjacent edges of the table top 2.
  • the table top 2 to the cross section of the table legs 3.1 ... 3.4 adapted cutouts, so that the table top. 2 between the upper ends of the table legs 3.1 ... 3.4 can be inserted.
  • the table top 2 is mounted on hollow profile-like frames 4.1, 4.2, 4.3, 4.4 with a rectangular cross-section, which are between the table legs 3.1 ... 3.4, with respect to the outer edges of the table top 2 slightly set back.
  • the two frames 4.1. 4.4 adjoining one of the table legs 3.1... 3.4 each are connected to each other and to the respective table leg 3.1... 3.4 by a respective corner element 5.1, 5.2, 5.3, 5.4.
  • the corner elements 5.1 ... 5.4 are adjacent to the frames 4.1 ... 4.4 and the respective table leg 3.1 ... 3.4 arranged on the Zargeninnenseite below the table top 2.
  • For attachment of the corner elements 5.1 ... 5.4 are provided on the inner side of the frames 4.1 ... 4.4, adjacent to the table legs 3.1 ... 3.4 openings in which at the corner elements 5.1 ... 5.4 trained claws and cams can intervene ,
  • Each of the table legs 3.1 ... 3.4 has a vertical spindle 7.1, 7.2, 7.3, 7.4, which is coupled to a telescopic mechanism for height adjustment of the table leg, which further below, in connection with the FIGS. 2 and 3 , is described in more detail.
  • each spindle 7.1 ... 7.4 has a recess 8.1, 8.2, 8.3, 8.4 in the shape of a hexagon socket.
  • an Allen wrench or a crank with a hexagon socket connection can be used to rotate the spindle 7.1 ... 7.4 and thus adjust the height of the table leg 3.1 ... 3.4 as desired.
  • the spindles 7.1 ... 7.4 respectively adjacent table legs 3.1 ... 3.4 are synchronized by four endless timing belt 9.1, 9.2, 9.3, 9.4.
  • the toothed belts 9.1 ... 9.4 are made of a flexurally elastic material, for example based on polyurethane or Neoprene, and have to reinforce and limit the elongation on a steel core.
  • Each of the toothed belt 9.1 ... 9.4 runs in one of the frames 4.1 ... 4.4: So runs a first toothed belt 9.1 in the frame 4.1 between the first table leg 3.1 and the second table leg 3.2 and runs around the spindles 7.1, 7.2 of the two table legs 3.1, 3.2.
  • the teeth of the belt 9.1 are directed inward and cooperate with a corresponding toothed pulley on the spindle 7.1.
  • a second toothed belt 9.2 runs correspondingly in the frame 4.2 between the second table leg 3.2 and the third table leg 3.3 and rotates the corresponding two spindles 7.2, 7.3.
  • the third table leg 3.3 with the fourth table leg 3.4 and the fourth table leg 3.4 are in turn synchronized with the first table leg 3.1 by corresponding, running in the frames 4.3, 4.4 timing belt 9.3, 9.4.
  • a load of at least 50-75 kg can be raised.
  • Conventional height-adjustable meeting and work desks offer stepless adjustability between 680 and 760 mm as standard.
  • the table legs are dimensioned so that a height adjustment in the range of approx. 680-860 mm is possible.
  • the FIG. 2 shows an oblique view of a cut table leg for the inventive device for height adjustment.
  • the FIG. 3 shows a corresponding cross section along a vertical plane which extends through the longitudinal axis of the table leg and a frame.
  • the table leg 3 is essentially formed by two telescoping, hollow cylindrical telescopic tubes 10, 11.
  • the outer telescopic tube 10 is visible from the outside over its entire length, and two horizontal frames 4 are fixed at its upper end portion at right angles to each other (in the FIGS. 2, 3 one of them is visible).
  • the inner telescopic tube 11 has an outer diameter which substantially corresponds to the inner diameter of the outer telescopic tube 10, and is slidably guided in a lower portion of the outer telescopic tube 10.
  • the inner telescopic tube 11 is connected to a foot 12, which has an outwardly directed flange portion 12 a below the inner telescopic tube 11, the outer diameter of which corresponds to the outer diameter of the outer telescopic tube 10.
  • the table leg 3 thus has a closed cylindrical outer shape.
  • the spindle 7 is formed by a spindle part 13 and a drive part 14, wherein the drive part 14 is rotatably mounted at its lower end at the upper end of the spindle part 13.
  • the two parts have matching recesses and projections;
  • the drive part 14 is screwed to the spindle part 13 by means of a radial screw (not shown).
  • the spindle part 13 has an external thread and is arranged centrally in the interior of the upper section of the inner telescopic tube 11.
  • the spindle part 13 is rotatably but non-displaceably mounted in a first, upper bearing 15 and at its lower end in a second, lower bearing 16.
  • the first bearing 15 is above the inner telescopic tube 11 fixedly attached to the outer telescopic tube 10.
  • the second bearing 16 slides within the inner telescopic tube 11 and prevents bending or tilting of the spindle part 13.
  • an end piece 17 is arranged non-rotatably and immovably.
  • the end piece 17 has an internal thread which cooperates with the external thread of the spindle part 13.
  • An anti-rotation between the inner telescopic tube 11 and the outer telescopic tube 10 is not provided in this embodiment.
  • a rotation of the inner telescopic tube 11 but is prevented by the friction between the foot 12, which is rotatably mounted on the inner telescopic tube 10, and the ground.
  • the friction is readily sufficient, because the foot 12 is pressed onto the ground with a considerable weight, namely a quarter of the table weight. It can be further increased by providing the underside of the foot 12 with a high coefficient of friction material.
  • the rotatability of the inner telescoping tube 11 with respect to the outer telescoping tube 10 also allows easy leveling of the table leg length, e.g. on uneven ground. Once set length differences between the legs remain through the synchronization of the legs 3 in the common height adjustment of the legs 3 obtained.
  • a known anti-rotation between the telescopic tubes 10, 11 may be provided.
  • the leveling can be done by appropriately adjustable feet.
  • the upper end of the table leg 3 is in the FIG. 4 in an oblique view as well as in the FIG. 5 shown in more detail in a vertical cross-section.
  • the drive part 14 points in Longitudinal multiple teeth 14a, which cooperate with the teeth of two toothed belts 9.1, 9.2, which rotate the drive member 14 at different heights.
  • the drive member 14 is rotatably mounted at its upper end in a bearing 18 and extends to the upper end of the table leg 3.
  • the bearing 18 is disposed inside a hollow cylindrical end piece 19, which closes the table leg 3 at its upper end and the jacket exactly in the inner tube 10a of the table leg 3 fits.
  • the lid of the end piece 19 has a central opening for the upper end of the drive part 14.
  • the upper end surface of the drive member 14 is aligned with the lid of the end piece 19 and has the recess 8 in the form of a hexagon socket for operating the spindle 7 by means of a crank or Allen key.
  • the guide bushes 20.1... 20.3 each have a continuous cylindrical opening along their longitudinal axes, such that the three guide bushes 20.1... 20.3 arranged one above the other form a receptacle for the drive part 14 and the sections of the toothed belts 9.1, 9.2 revolving around it.
  • Each of the guide bushes 20.1 ... 20.3 also has at its lower end a lateral opening 20.1a ...
  • the lateral opening 20.1a of the bottom guide bushing 20.1 is not used.
  • the lateral openings 20.1 a ... 20.3a of the guide bushes 20.1 ... 20.3 have the shape of a circular ring section, wherein the outer ends of this section are formed so that they serve as guides for the smooth outer side of the timing belt 9.1, 9.2.
  • the open angle of the openings 20.1a... 20.3a is selected such that the two sections of a toothed belt 9.1, 9.2 after the drive part 14 has been rotated be brought together again so far that they can be performed in parallel to each other within the frame 4 to the next table leg 3.
  • the mutual orientation of the three guide bushes 20.1 ... 20.3 is maintained, these have on their upper side pins and on its underside corresponding recesses (not shown).
  • the pins and recesses allow both a parallel positioning of adjacent guide bushings 20.1... 20.3 as well as positions rotated by 90 °, 180 ° or 270 ° relative to each other about the longitudinal axis.
  • a spacer 21 is provided in the frame 4, which guides the sections of the toothed belt 9.2 and prevents its internal teeth wedge each other, which would lead to a blocking of the synchronization mechanism.
  • the outer shape of the spacer 21 largely corresponds to the inner cross section of the frame 4, so that the spacer 21 is displaceable only along the longitudinal axis of the frame 4.
  • the spacer 21 has at its outer, the table leg 3 end facing a shoulder through which it is supported at the end of the frame 4 and thus precisely positioned.
  • channel-like guides 21a are provided parallel to its longitudinal axis on both sides of the axis and on both sides of the plane of symmetry for receiving in each case a portion of the toothed belt 9.2. In each case 4 only two opposing guides 21a are used, while the others remain empty.
  • the spacer 21 has at its inner, adjacent to the table leg 3 end also two cams 21 b, which are guided through matching openings in the outer telescopic tube 10, in the inner tube 10a and in the guide bushes 20.1 ... 20.3.
  • the cams 21 b prevent together with the pins and recesses on the guide bushes 20.1 ... 20.3 a rotation of the three guide bushes 20.1 ... 20.3 within the table leg 3.
  • the adjacent to a table leg 3 frames 4 are characterized by in the FIG. 1 shown corner element 5 on the table leg 3 and held together.
  • the corner element 5 has claws and cams which engage through openings (not visible in the figures) on the inside of the frames 4. Together with the (above-mentioned) screwing of the corner element 5 with the table leg 3, the claws and cams ensure secure attachment of the adjacent frames 4 with each other and on the table leg 3.
  • the screw sleeve 22 for screwing the table top, wherein the screw sleeve 22 is inserted through an opening 4a on the upper side of the frames 4 and extends through a receptacle 21c in the spacer 21.
  • the assembly of the table 1 with the inventive device for height adjustment can take place as follows. First, in the frames 4.1 ... 4.4 suitable timing belt 9.1 ... 9.4 and each at both ends a spacer 21 introduced. The frames 4.1 ... 4.4 are then attached to the table top 2, for example, screwed it.
  • the table legs 3.1 ... 3.4 are ready pre-assembled, with the exception of the drive parts 14, the end piece 19 and the bearing 18.
  • the guide bushes 20.1 ... 20.3 are already aligned with each other oriented in the table leg 3.1 ... 3.4 used.
  • the table legs 3.1 ... 3.4 with the help of the corner pieces 5.1 ... 5.4 can be attached to the table top 2 with the frames 4.1 ... 4.4, the ends of the timing belt 9.1 ... 9.4 through the openings of the table legs 3.1. ..3.4 and the guide bushes 20.1 ... 20.3 are introduced.
  • the drive parts 14 can be inserted into the guide bushings 20.1 ...
  • an existing table can be converted.
  • the existing table legs with fixed length are made by table legs with telescopic mechanism replaced, in the existing frames straps and spacers are inserted, and the table is reassembled accordingly.
  • the invention is not limited to the described embodiment of a height-adjustable table.
  • the aesthetic design of the table can be changed in various ways.
  • the frames can enclose the tabletop outside, and their top can be aligned with the top of the table top.
  • the frames may also be set back further with respect to the edge of the table top, wherein the legs are also spaced from the edge of the table top.
  • the telescopic mechanism may also be designed differently, for example, it may include additional concentrically arranged telescopic tubes when the maximum stroke is to be increased.
  • the mechanism may include end stops to prevent overwinding of the spindle.
  • the drive member may be stored only at its lower and its upper end, while it is free, in the table leg, at the contact points with the drive means.
  • its cross section is dimensioned larger in this case, or another material is selected.
  • the spacers in the frames may be omitted depending on the available space or provided in other sections of the frames.
  • the synchronization of the telescopic mechanisms can be realized differently, for example by friction or V-belts or chains.
  • a device for height adjustment is provided by the invention, which is reliable, aesthetically inconspicuous and easy to manufacture and assemble.

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  • Legs For Furniture In General (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)
  • Vending Machines For Individual Products (AREA)
  • Details Of Measuring And Other Instruments (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Toys (AREA)

Claims (11)

  1. Dispositif destiné au réglage de hauteur pour une table (1) qui comprend trois ou plusieurs pieds de table (3.1, ..., 3.4) agencés dans une zone de bordure de la table, des pieds de table respectivement voisins (3.1, ..., 3.4) étant relié les uns aux autres par un élément de liaison horizontal (4.1, ..., 4.4) similaire à un profilé creux, qui comprend un mécanisme télescopique (7, 10, 11) pour chaque pied de table (3.1, ..., 3.4) afin de modifier une longueur du pied de table (3.1, ..., 3.4), ledit mécanisme étant réglable par rotation d'un élément de positionnement (7.1, ..., 7.4) monté en rotation, lesdits éléments de positionnement étant des broches verticales (13) et à chacune des broches (13) est reliée une pièce d'entraînement (14) solidaire en rotation, caractérisé par une pluralité d'organes d'accouplement sans fin (9.1, ..., 9.4) qui sont reçus à l'intérieur des éléments de liaison (4.1, ..., 4.4) et synchronisent à chaque fois deux éléments de positionnement (7.1, ..., 7.4) sur le plan mécanique, lesdits organes d'accouplement (9.1, ..., 9.4) étant agencés de telle manière qu'ils circulent autour des pièces d'entraînement (14) des broches (13) des pieds de table (3.1, ..., 3.4) voisins et coopèrent ainsi avec lesdites pièces, dans lequel sont prévus des guidages (20) pour les organes d'accouplement sans fin, qui présentent une section transversale extérieure correspondant essentiellement à une section transversale intérieure des pieds de table (3.1, ..., 3.4), et qui comprennent un logement, orienté longitudinalement, pour la pièce d'entraînement (14) et des ouvertures agencées latéralement (20.1a, ..., 20.3a) pour la traversée des organes d'accouplement (9.1, ..., 9.4).
  2. Dispositif selon la revendication 1, caractérisé en ce que les éléments de positionnement coopèrent au moyen d'un pas de vis avec un élément télescopique (11) du mécanisme télescopique (7, 10, 11).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les organes d'accouplement sont des courroies (9.1, ..., 9.4), en particulier des courroies crantées, ou des chaînes.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé par des éléments d'écartement (20) agencés dans les éléments de liaison (4.1, ..., 4.4) pour le guidage des deux tronçons opposés des organes d'accouplement sans fin (9.1, ..., 9.4) dans les éléments de liaison (4.1, ..., 4.4).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que chacun des guidages (20) est formé par au moins trois douilles de guidage (20.1, ..., 20.3) agencées longitudinalement les unes derrière les autres, deux ouvertures (20.2a, 20.3a) pour les organes d'accouplement (9.1, ..., 9.4) étant formées à deux extrémités longitudinales différentes des douilles de guidages (20.1, ..., 20.3).
  6. Dispositif selon la revendication 5, caractérisé en ce que chacun des guidages est formé par exactement trois douilles de guidages (20.1, ..., 20.3) identiques, qui peuvent être enfichées les unes dans les autres avec des orientations différentes.
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que le mécanisme télescopique (7, 10, 11) de l'un des pieds de table (3.1, ..., 3.4) est formé de telle manière qu'un organe d'actionnement pour le réglage en hauteur de la table (1) par un utilisateur peut être accouplé directement et solidairement en rotation à l'élément de positionnement (7).
  8. Dispositif selon la revendication 7, caractérisé en ce que le mécanisme télescopique (7, 10, 11) de chacun des pieds de table (3.1, ..., 3.4) comprend un accouplement (8.1, ..., 8.4) pour accoupler au choix l'organe d'actionnement, en particulier un raccordement à enfichage pour une manivelle.
  9. Dispositif selon la l'une des revendications 1 à 8, caractérisé en ce que les éléments de liaison (4.1, ..., 4.4) s'étendent entre les pieds de table (3.1, ..., 3.4), et en ce que des ouvertures latérales sont prévues dans les pieds de table (3.1, ..., 3.4) pour la traversée des organes d'accouplement (9.1, ..., 9.4) jusque dans les éléments de liaison (4.1, ..., 4.4).
  10. Table (1) comprenant trois ou plusieurs pieds de table (3.1, ..., 3.4) agencés dans une zone de bordure de la table, des pieds de table voisin (3.1, ..., 3.4) étant reliés les uns aux autres par un élément de liaison horizontal (4.1, ..., 4.4) semblable à un profilé creux, caractérisé par un dispositif de réglage en hauteur selon l'une des revendications 1 à 9.
  11. Procédé pour le rééquipement d'une table qui comprend trois ou plusieurs pieds de table agencés dans une zone de bordure de la table, dans lequel des pieds de table respectivement voisins sont reliés les uns aux autres par un élément de liaison horizontal semblable à un profilé creux, au moyen d'un dispositif de réglage en hauteur selon l'une des revendications 1 à 10, caractérisé par les étapes suivantes :
    a) on remplace les pieds de table par des pieds de table réglables en hauteur avec un mécanisme télescopique pour modifier une longueur du pied de table, ledit mécanisme télescopique étant réglable par rotation d'un élément de positionnement monté en rotation, les éléments de positionnement étant des broches verticales (13) et une pièce d'entraînement est reliée solidairement en rotation à chacune des broches, et il est prévu des guidages pour des organes d'accouplement sans fin, qui présentent une section transversale extérieure qui correspond sensiblement à une section transversale intérieure des pieds de table et qui comprennent un logement orienté longitudinalement pour la pièce d'entraînement et des ouvertures agencées latéralement pour la traversée des organes d'accouplement ;
    b) pour deux pieds de table respectifs voisins, introduction d'un organe d'accouplement sans fin pour la synchronisation mécanique des éléments de positionnement des pieds de table voisins dans l'élément de liaison qui relie les pieds de table, les organes d'accouplement étant agencés de telle façon qu'ils circulent autour des pièces d'entraînement des broches des pieds de table voisins et coopèrent avec lesdites pièces ; et
    c) couplage des organes d'accouplement avec les éléments de positionnement.
EP04405361A 2004-06-11 2004-06-11 Dispositif de réglage de la hauteur d'une table Expired - Lifetime EP1604589B1 (fr)

Priority Applications (12)

Application Number Priority Date Filing Date Title
AT04405361T ATE399488T1 (de) 2004-06-11 2004-06-11 Einrichtung zur höhenverstellung für einen tisch
DK04405361T DK1604589T3 (da) 2004-06-11 2004-06-11 Indretning til justering af höjden på et bord
DE502004007486T DE502004007486D1 (de) 2004-06-11 2004-06-11 Einrichtung zur Höhenverstellung für einen Tisch
PL04405361T PL1604589T3 (pl) 2004-06-11 2004-06-11 Mechanizm do ustawiania wysokości stołu
PT04405361T PT1604589E (pt) 2004-06-11 2004-06-11 Dispositivo para regulação da altura de uma mesa
EP04405361A EP1604589B1 (fr) 2004-06-11 2004-06-11 Dispositif de réglage de la hauteur d'une table
ES04405361T ES2309480T3 (es) 2004-06-11 2004-06-11 Dispositivo para el ajuste de altura de una mesa.
SI200430787T SI1604589T1 (sl) 2004-06-11 2004-06-11 Naprava za nastavitev višine mize
US11/127,275 US7574965B2 (en) 2004-06-11 2005-05-12 Height-adjustment device
JP2005172692A JP4410727B2 (ja) 2004-06-11 2005-06-13 高さ調節装置
HK06106252A HK1085104A1 (en) 2004-06-11 2006-05-30 Device for adjusting the height of a table
CY20081101075T CY1110404T1 (el) 2004-06-11 2008-09-30 Διαταξη ρυθμισης υψους για τραπεζι

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04405361A EP1604589B1 (fr) 2004-06-11 2004-06-11 Dispositif de réglage de la hauteur d'une table

Publications (2)

Publication Number Publication Date
EP1604589A1 EP1604589A1 (fr) 2005-12-14
EP1604589B1 true EP1604589B1 (fr) 2008-07-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04405361A Expired - Lifetime EP1604589B1 (fr) 2004-06-11 2004-06-11 Dispositif de réglage de la hauteur d'une table

Country Status (12)

Country Link
US (1) US7574965B2 (fr)
EP (1) EP1604589B1 (fr)
JP (1) JP4410727B2 (fr)
AT (1) ATE399488T1 (fr)
CY (1) CY1110404T1 (fr)
DE (1) DE502004007486D1 (fr)
DK (1) DK1604589T3 (fr)
ES (1) ES2309480T3 (fr)
HK (1) HK1085104A1 (fr)
PL (1) PL1604589T3 (fr)
PT (1) PT1604589E (fr)
SI (1) SI1604589T1 (fr)

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DE102010012408A1 (de) * 2010-03-23 2011-09-29 Powerwind Gmbh Trägeranordnung für eine Windenergieanlage, Windenergieanlage mit einer Trägeranordnung und Verfahren zum Errichten einer Windenergieanlage

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CN102204753A (zh) * 2011-05-28 2011-10-05 开平市三埠区尊爵全自动麻雀台总汇 一种可升降的麻将桌底座
CN104433486B (zh) 2014-10-29 2018-03-06 嘉兴赛诺机械有限公司 电驱动机构和电动家具
USD802405S1 (en) 2016-10-28 2017-11-14 Varidesk, Llc Leg extender
US11076704B2 (en) 2016-11-16 2021-08-03 Sino International Group Limited Motorized bed
US20180271731A1 (en) * 2017-03-21 2018-09-27 Jiaxing Sino Hardware Manufacturing Company Limited Bed lifting frame
US20190059572A1 (en) * 2017-08-25 2019-02-28 John Chappelle Moody Welding Table Elevating and Rolling
CN113203679A (zh) * 2021-04-21 2021-08-03 重庆中岛工程建设管理有限公司 一种监理用防水卷材空鼓检测装置
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DE102010012408A1 (de) * 2010-03-23 2011-09-29 Powerwind Gmbh Trägeranordnung für eine Windenergieanlage, Windenergieanlage mit einer Trägeranordnung und Verfahren zum Errichten einer Windenergieanlage

Also Published As

Publication number Publication date
CY1110404T1 (el) 2015-04-29
PL1604589T3 (pl) 2008-12-31
JP2006006929A (ja) 2006-01-12
JP4410727B2 (ja) 2010-02-03
ES2309480T3 (es) 2008-12-16
DK1604589T3 (da) 2008-10-20
EP1604589A1 (fr) 2005-12-14
SI1604589T1 (sl) 2008-12-31
DE502004007486D1 (de) 2008-08-14
ATE399488T1 (de) 2008-07-15
HK1085104A1 (en) 2006-08-18
PT1604589E (pt) 2008-08-27
US7574965B2 (en) 2009-08-18
US20050274303A1 (en) 2005-12-15

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