EP0561136B1 - Dispositif de réglage pour table réglable en hauteur - Google Patents

Dispositif de réglage pour table réglable en hauteur Download PDF

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Publication number
EP0561136B1
EP0561136B1 EP93101646A EP93101646A EP0561136B1 EP 0561136 B1 EP0561136 B1 EP 0561136B1 EP 93101646 A EP93101646 A EP 93101646A EP 93101646 A EP93101646 A EP 93101646A EP 0561136 B1 EP0561136 B1 EP 0561136B1
Authority
EP
European Patent Office
Prior art keywords
frame part
adjusting
adjusting device
support element
movable frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93101646A
Other languages
German (de)
English (en)
Other versions
EP0561136A1 (fr
Inventor
Walter Waibel
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.)
Individual
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 EP0561136A1 publication Critical patent/EP0561136A1/fr
Application granted granted Critical
Publication of EP0561136B1 publication Critical patent/EP0561136B1/fr
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
    • A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
    • A47B21/06—Tables or desks for office equipment, e.g. typewriters, keyboards characterised by means for holding, fastening or concealing cables
    • 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
    • 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
    • A47B9/20—Telescopic guides
    • 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
    • A47B2200/005—Leg adjustment
    • A47B2200/0051—Telescopic
    • A47B2200/0052—Telescopic with two telescopic parts
    • A47B2200/0053—Flat lifting device for desks with two telescopic sections

Definitions

  • the present invention relates to an adjustment device for a height-adjustable table, in particular for an office, laboratory or work table, according to the preamble of claim 1.
  • Modern office, laboratory or work tables are usually designed to be height-adjustable, that is to say they have a generally fixed base part on the base side and a movable base part on the base side of the movable base part.
  • An example of such a table base frame is known from the generic DE-U-91 02 471 by the same applicant.
  • an adjustment device is additionally provided, which is attached to the fixed frame part and engages on the movable frame part. The adjusting device then serves to generate or inhibit a vertical relative movement between the movable frame part and the stationary frame part in order to be able to set the optimum height of the table or worktop in each case.
  • DE-A-39 04 510 shows an adjusting device consisting of a plate-shaped component in the stationary frame part, the plate-shaped component having a vertically running row of several bores.
  • One of these holes in the plate-shaped component can be axially aligned in succession with a further hole on the movable frame part and the two holes are then penetrated by a pin or bolt, so that stationary and movable frame part are fixed in position relative to one another.
  • the bolt or pin is pulled out of the two bores, after which the movable frame part is moved by hand relative to the stationary frame part becomes.
  • the hole in the plate-shaped component which is immediately adjacent to the desired height is then brought into alignment again with the hole in the movable frame part and the height position of the movable frame part is again secured with the bolt or pin.
  • a disadvantage of the adjusting device according to DE-A-39 04 510 is essentially the - depending on the spacing of the holes in the plate-shaped component - more or less coarsely screened height adjustment on the one hand and the complexity of the operation on the other hand, especially when considering that a Table usually has at least two pairs of movable and stationary frame part.
  • Additional adjustment devices for height-adjustable tables work with adjusting spindles. Examples of such adjustment devices are described in DE-C-23 01 305 and DE-C-33 43 066.
  • the advantage of such adjusting spindles for height adjustment is that the height of the table top is infinitely adjustable and, furthermore, the entire adjusting device cannot be made visible from the outside, so that tables equipped with such adjusting devices can be designed to be aesthetically pleasing.
  • the adjusting spindle is driven in order to set it in rotation, so that an adjusting nut running on the adjusting spindle is moved vertically up or down, either by hand using a hand crank (DE-A-33 43 066) or by an appropriately dimensioned electric motor ( DE-C-23 01 305).
  • an adjustment device for a height-adjustable table which works with a flexible traction means, for example a steel cable or a toothed belt.
  • the traction means runs between the two foot frames provided on the front of the table and is attached so that a relative shortening or Elongation of the traction means generates a corresponding upward or downward movement of the movable frame part relative to the fixed frame part.
  • the relative shortening or elongation of the traction means in the subject of DE-A-40 23 768 also via an electric motor, so that the height of the table top is infinitely adjustable.
  • an adjustment device for a height-adjustable table in particular an office, laboratory or work table, is created to generate or inhibit a vertical relative movement between a base-side fixed frame part and a movable frame part guided for this purpose on the table base frame side, the adjustment device being attached to the fixed frame part and engages on the movable frame part, the fixed frame part and the movable frame part lie against one another with little play, and wherein the adjusting device is arranged in a cavity between wall sections of the fixed frame part and the movable frame part, which is characterized in that the point of attack of the adjusting device on the movable frame part is such is designed so that the adjusting device can be detached from the movable frame part without tools.
  • the point of attack of the adjusting device on the movable frame part is designed in such a way that the adjusting device can be detached from the movable frame part without tools and thus can be exchanged for another adjusting device without great assembly effort is.
  • the retrofitting or retrofitting of a table equipped with the adjusting device according to the invention on site is hereby considerably simplified.
  • the adjusting device can be a hollow profile with grid perforation, as is known per se from DE-A-39 04 510 already mentioned.
  • the design of the adjusting device as a hollow profile with grid perforation represents the technically simplest and therefore cheapest form of embodiment of the present invention.
  • the adjusting device can be an adjusting spindle, as is also known per se from DE-C-23 01 305 or DE-C-33 43 066 already mentioned at the beginning.
  • the design of the adjusting device as an adjusting spindle allows a continuous height adjustment of the table top, the height adjustment in a further embodiment of the present invention either being carried out by the fact that the adjusting spindle can be driven by hand, or that, according to another embodiment, the adjusting spindle can be driven by a motor.
  • the point of engagement of the adjusting device on the movable frame part is advantageously a flange provided with a holding slot.
  • the hollow profile or adjusting spindle can be easily arranged on the flange provided with the retaining slot, the arrangement being self-locking under the influence of gravity and can be produced without tools due to the configuration of the retaining slot or can be canceled, in particular when the adjustment device advantageously engages in the holding slot in a form-fitting manner.
  • the attachment point of the adjusting device on the fixed frame part can be changed.
  • this also gives the possibility of varying the zero or center position of the maximum possible adjustment path by the fact that the attachment point of the adjustment device, which is fixed per se, on the fixed frame part is changeable.
  • the stop point of the adjusting device on the fixed frame part is preferably formed by at least one screw, which engages in at least one bore each on the fixed frame part and on the actual adjusting device.
  • An adjusting device serves to generate or inhibit a vertical relative movement between a generally fixed base frame part 4 and a movable base part 6 on the table underframe side.
  • Fixed base part 4 and movable frame part 6 form in the assembled state according to FIG 3 a pillar of a table.
  • a leg is provided on a narrow side of the table in office, laboratory or work tables.
  • the description of the present invention is made with reference to such a pillar or the associated adjustment device herein; the other pillar or pillars of the table are to be regarded as identical.
  • both the fixed frame part 4 and the movable frame part 6 are designed as hollow profiles, and the guide and support of the movable frame part 6 in the fixed frame part 4 is achieved in that, according to FIG. 2C, a plurality of surface sections of fixed frame part 4 and movable frame part 6 lie against each other with little play.
  • the movable frame part 6 has receiving areas 8 and 10 on its two narrow sides, which serve to receive support rails 12 and 14 (FIG. 2C), which then carry the actual table top or its substructure.
  • the movable frame part 6 is further profiled such that in the assembled state according to FIG. 2C, a comparatively large cavity 16 is formed between wall sections 18, 20 and 22 of the movable frame part 6 and a wall section 24 of the fixed frame part 4.
  • the adjustment device 2 can, according to FIG. 1, in its simplest embodiment, consist of a hollow profile 26 which, for example, has the shape of a square tube.
  • the hollow profile 26 On a longitudinal side facing the wall section 24 of the movable frame part 6, the hollow profile 26 has a plurality of threaded bores 28.
  • a slot 30 is formed in the hollow profile 26 on the long side facing away from the long side with the threaded bores 28.
  • the slot 30 is dimensioned such that the hollow profile 26 can be pushed or plugged onto a flange 32.
  • the flange 32 extends at right angles from the wall section 20 of the movable frame part 6 and has a central holding slot 34.
  • a depth "t" of the hollow profile 26, ie the distance between the outer surfaces of the long sides with the threaded bores 28 or the slot 30 corresponds to a distance "d" between the inner surfaces of the wall sections 24 and 20, so that the hollow profile 26 according to FIG 2C rests with slight play on these inner surfaces of the wall sections 24 and 20 and thus, together with the positive engagement between the slot 30 and the flange 32, is fixed in position against tilting movements in the vertical direction is.
  • the engagement between the slot 30 and the flange 32 represents the point of attack between the adjusting device 2 and the movable frame part 6.
  • the adjusting device 2 is attached to the fixed frame part 4 in the form of the hollow profile 26.
  • This striking of the adjusting device 2 or of the hollow profile 26 on the fixed frame part 4 takes place according to FIG. 3 by at least one, advantageously by a plurality of bores 36 which are / are formed approximately centrally in the wall section 24 of the fixed frame part 4.
  • the bore 36 or the bores 36 are made in the wall section 24 such that their vertical connecting line is aligned with the vertical connecting line of the threaded bores 28 in the hollow profile 26 when the hollow profile 26 is in the installed position according to FIG. 2C.
  • a bolt or a screw 38 is provided which can be screwed into one of the bores 36 and one of the threaded bores 28 behind it of the hollow profile 26, so that the hollow profile 26 is fixed in position or attached to the fixed frame part 4.
  • An adjustment movement of the movable frame part 6 relative to the fixed frame part 4 takes place in that the screw 38 - after removal of a cover 40 - is loosened, that is, it disengages from a threaded bore 28 in the hollow profile 26 and a bore 36 in the fixed frame part 4.
  • the movable frame part 6 is displaced vertically relative to the fixed frame part and, after reaching the desired height, the screw 38 is screwed into a bore 36 and a threaded bore 28 located in the immediate vicinity of the desired height, so that the relative position of the movable frame part 6 is opposite the fixed frame part 4 is fixed.
  • the fixed frame part 4 has only one bore 36 in its wall section 24, in the configuration of the hollow profile 26 according to FIG. 1 there are six different heights of the table top carried by the movable frame part 6 in a grid dimension adjustable and definable. 3, the wall section 24 of the fixed frame part 4 has a plurality of bores 36, the zero or starting position of the adjustment path possible with the hollow profile 26 can advantageously be varied in that the screw 38 in bores 36 arranged at different heights is introduced.
  • the hollow profile 26, which in the simplest embodiment of the present invention forms the adjusting device 2 can be exchanged for a technically higher-quality adjusting device 2.
  • a technically higher-quality adjusting device is an adjusting spindle 42 shown in FIG. 1.
  • the adjusting spindle 42 carries an adjusting nut 44 in a known manner, the pitch of the adjusting spindle 42 advantageously being chosen such that the adjusting nut 42 is self-locking when the adjusting spindle 42 is not driven he follows.
  • a diameter "t '" of the adjusting nut 44 is advantageously equal to the depth "t" of the hollow profile 26 and thus essentially equal to the distance "d" between the inner surfaces of the wall sections 24 and 20, so that the adjusting spindle 42 also lies in contact with parts of the Outer surfaces of the adjusting nut 44 on the inner surfaces of the wall sections 24 and 20 are guided vertically in the cavity 16 and secured against tilting movements.
  • the point of engagement of the adjusting spindle 42 on the movable frame part 6 is in turn the flange 32 or the holding slot 34 formed in the flange 32.
  • the adjusting spindle 42 has at its lower free end two non-rotatable annular flanges or collars 46 and 48.
  • the vertical distance between the two collars 46 and 48 is slightly higher than the vertical thickness or material thickness of the flange 32.
  • the width of the holding slot 34 in the flange 32 is slightly larger than the diameter of the adjusting spindle 42, see above that the adjusting spindle 42 can be fastened by means of the two collars 46 and 48 in a positive / positive manner in the holding slot 34 or on the flange 32 in that the adjusting spindle 42 is pressed into the holding slot 34.
  • suitable fixing means can also be provided in the area of the holding slot 34 in order to ensure that the adjusting spindle 42 is properly seated in the holding slot 34 at least during assembly.
  • the striking or fastening of the adjusting device 2 in the form of the adjusting spindle 42 to the fixed frame part 4 takes place via a threaded hole 50 in the adjusting nut 44.
  • the threaded hole 50 is thus an analogue to one of the threaded holes 28 in the hollow profile 26.
  • the screw 38 is by a of the bores 36 inserted into the wall section 24 and screwed into the threaded bore 50 on the adjusting nut 44.
  • the adjusting spindle 42 In order to adjust the height of the table, ie to achieve a relative movement of the movable frame part 6 with respect to the fixed frame part 4, the adjusting spindle 42 is set in rotation.
  • the adjusting nut 44 thus performs a vertical upward or downward movement along the adjusting spindle 42 depending on the direction of rotation of the adjusting spindle 42 and since the height of the adjusting nut 44 relative to the fixed frame part 4 is fixed due to the connection via the screw 38 and one of the bores 36 is a height adjustment of the movable frame part 6 due to the entrainment of this movable frame part 6 via the collar 46 and the flange 32.
  • a flexible shaft can be coupled in the manner of a speedometer cable.
  • Height-adjustable tables normally have at least two table legs provided on the narrow sides, each consisting of a fixed frame part 4 and movable frame part 6.
  • the drive of the adjusting spindle 42 via flexible shafts is particularly advantageous if these two shafts lead to a common drive device, so that the two flexible shafts operate when the common drive device is operated set the two existing adjusting spindles 42 synchronously so that the table top can be moved without tilting.
  • the central drive device can then either be driven by a drive crank or by an electric motor, so that the height of the table top can be adjusted electrically at the push of a button.
  • the adjusting device 2 is thus detachably arranged in the cavity 16.
  • the releasable arrangement of the adjusting device 2 takes place in the case of the hollow profile 26 via the slot 30 and in the case of the adjusting spindle 42 via the collars 46 and 48.
  • a table equipped with the adjusting device 2 according to the invention can thus already be factory-made, for example, in its simplest and therefore also the cheapest configuration be provided with the hollow profile 26 in each table leg as an adjustment device 2. If, over time, it becomes apparent that instead of the height adjustment in the grid dimension, which is possible with the hollow profile 26, a continuous adjustment would be desirable or advantageous, the table previously equipped with the hollow profile 26 can easily be set up with the adjusting spindle 42 as the adjusting device 2. or retrofit.
  • a table equipped with the adjusting device 2 according to the invention can thus be changed from the simplest basic version with the grid adjustment via the hollow profile 26 into a higher-quality version with the stepless one with minimal effort and without the use of tools - apart from a screwdriver for loosening and tightening the screw 38 Convert adjustability using the adjusting spindle 42.
  • the drive of the adjusting spindle 42 in each of the side table legs takes place in the basic version of the adjusting device 2 in the form of the adjusting spindle 42 via a hand crank, which acts on the coupling piece 52 of the adjusting spindle 42.
  • each of the coupling pieces 52 is connected to a flexible shaft, the flexible shafts leading to a central drive device.
  • This central drive device can then be driven via a single hand crank, so that the adjustment devices 2 provided for the table can be driven synchronously and the table or the table top can be moved without jamming.
  • the central drive device can be driven by a motor, in particular by an electric motor, so that the height of the table top can be continuously adjusted at the push of a button.
  • the conversion of the drive for the adjusting spindles from two hand cranks to a hand crank engaging a central drive device and from there to an electric motor drive can also be done in the course of time and gradually take place, so that starting from the simplest embodiment with the hollow profile 26 as the adjusting device 2, the table can be upgraded or upgraded in increasingly higher quality versions if this should be desired.
  • a higher-quality table can also be simplified just as easily, for example by going back from the electromotive adjusting spindle drive to the hand crank drive for the adjusting spindle 42, or by replacing the adjusting spindle 42 again with the hollow profile 26.
  • the entire adjustment device 2 is not visible from the outside, so that a table equipped with it can be designed to be visually appealing.

Landscapes

  • Tables And Desks Characterized By Structural Shape (AREA)
  • Legs For Furniture In General (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Claims (9)

  1. Dispositif de réglage pour une table réglable en hauteur, notamment une table de bureau, de laboratoire ou de travail, pour produire ou empêcher un mouvement relatif vertical entre une partie de piétement fixe (4) côté sol et une partie de piétement mobile (6) par rapport à celle-ci, qui est guidée de manière mobile côté bâti de table, le dispositif de réglage (2) étant monté à la partie de piétement fixe (4) et s'attaquant à la partie de piétement mobile (6), la partie de piétement fixe (4) et la partie de piétement mobile (6) étant contiguës avec un léger jeu, et le dispositif de réglage (2) étant disposé dans un creux (16) entre des sections de paroi (18, 20, 22, 24) de la partie de piétement fixe (4) et de la partie de piétement mobile (6),
    caractérisé en ce que
    le point d'attaque du dispositif de réglage (2) est formé sur la partie de piétement mobile (6) de manière à ce que le dispositif de réglage (2) peut être détaché de la partie de piétement mobile (6) sans outil.
  2. Dispositif de réglage selon la revendication 1, caractérisé en ce que le point d'attaque du dispositif de réglage (2) est une bride (32) pourvue d'une fente de fixation sur la partie de piétement mobile (6).
  3. Dispositif de réglage selon la revendication 2, caractérisé en ce que le dispositif de réglage (2) forme un engagement positif avec la fente de fixation.
  4. Dispositif de réglage selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dispositif de réglage (2) est un profilé creux (26) avec une perforation d'encliquetage (28).
  5. Dispositif de réglage selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dispositif de réglage (2) est une broche de réglage (42).
  6. Dispositif de réglage selon la revendication 5, caractérisé en ce que la broche de réglage (42) peut être tournée à la main.
  7. Dispositif de réglage selon la revendication 5, caractérisé en ce que la broche de réglage (42) peut être entraînée par un moteur.
  8. Dispositif de réglage selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le point d'arrêt du dispositif de réglage (2) peut être modifié sur la partie de piétement fixe (4).
  9. Dispositif de réglage selon la revendication 8, caractérisé en ce que le point d'arrêt du dispositif de réglage (2) sur la partie de piétement fixe (4) est formé par au moins une vis (38) qui s'engage dans au moins un alésage respectif (26, 28; 50) dans la partie de piétement fixe (4) et dans le dispositif de réglage (2).
EP93101646A 1992-03-17 1993-02-03 Dispositif de réglage pour table réglable en hauteur Expired - Lifetime EP0561136B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9203584U DE9203584U1 (de) 1992-03-17 1992-03-17 Verstelleinrichtung für einen höhenverstellbaren Tisch
DE9203584U 1992-03-17

Publications (2)

Publication Number Publication Date
EP0561136A1 EP0561136A1 (fr) 1993-09-22
EP0561136B1 true EP0561136B1 (fr) 1996-10-30

Family

ID=6877365

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93101646A Expired - Lifetime EP0561136B1 (fr) 1992-03-17 1993-02-03 Dispositif de réglage pour table réglable en hauteur

Country Status (3)

Country Link
EP (1) EP0561136B1 (fr)
AT (1) ATE144691T1 (fr)
DE (2) DE9203584U1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1123308C (zh) * 1993-01-29 2003-10-08 克尼尔电子机械有限公司 工作台
DE9310664U1 (de) * 1993-07-16 1993-09-16 Ceka - Büromöbel Werke C. Krause und Sohn GmbH u. Co KG, 36304 Alsfeld Höhenverstellbarer Tisch
DE9318553U1 (de) * 1993-12-06 1994-02-03 Dewert Antriebs- und Systemtechnik GmbH & Co KG, 32278 Kirchlengern Flachhubelement
DE202012104021U1 (de) 2012-10-19 2012-12-03 Daniel Korb Einrichtungsgegenstand
AT14682U1 (de) * 2014-10-10 2016-04-15 Procon Gmbh Maschinen & Industrieanlagen Verbindungselement für modulare Arbeitstische
CN113466132B (zh) * 2021-07-01 2022-04-19 哈尔滨金融学院 一种基于高光谱的水稻稻瘟病循环检测设备

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8711298U1 (de) * 1987-08-20 1987-10-01 Schroff Gmbh, 7541 Straubenhardt Arbeitstisch mit verstellbarer Tischplatte

Also Published As

Publication number Publication date
EP0561136A1 (fr) 1993-09-22
DE59304328D1 (de) 1996-12-05
DE9203584U1 (de) 1992-05-07
ATE144691T1 (de) 1996-11-15

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