EP0561136A1 - 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
EP0561136A1
EP0561136A1 EP93101646A EP93101646A EP0561136A1 EP 0561136 A1 EP0561136 A1 EP 0561136A1 EP 93101646 A EP93101646 A EP 93101646A EP 93101646 A EP93101646 A EP 93101646A EP 0561136 A1 EP0561136 A1 EP 0561136A1
Authority
EP
European Patent Office
Prior art keywords
frame part
adjusting device
fixed frame
movable frame
adjusting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93101646A
Other languages
German (de)
English (en)
Other versions
EP0561136B1 (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
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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 generally 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, whereby an adjustment device is provided which is attached to the fixed base part and engages 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.
  • DE-OS 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 bores in the plate-shaped component can be aligned axially one behind the other with a further bore on the movable frame part and the two bores are then penetrated by a pin or bolt, so that stationary and movable frame part are fixed in position relative to one another.
  • a pin or bolt With a desired height adjustment of a table top, one equipped with the adjusting device according to DE-OS 39 04 510 The bolt or pin is pulled out of the two holes in the table, after which the movable frame part is moved by hand relative to the stationary frame part.
  • a disadvantage of the adjusting device according to DE-OS 39 04 510 is essentially the - depending on the spacing of the holes in the plate-shaped component - more or less coarsely rastered height adjustment on the one hand and the cumbersome 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-PSs 23 01 305 and 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.
  • 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 device runs between the two ends of the table provided foot frames closed and is struck 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-OS 40 23 768 also via an electric motor, so that the height of the table top is infinitely adjustable.
  • an adjusting device for a height-adjustable table in particular an office, laboratory or work table, according to the preamble of claim 1 in such a way that a table equipped therewith over time or if this should be desired, it can be converted from a simple grid adjustment to an adjusting spindle drive adjustment or vice versa, the conversion being able to be carried out on site, that is to say at the installation site of the table, without any problems.
  • the stationary frame part and the movable frame part are hollow profiles which lie against one another with little play.
  • An adjusting device is detachably arranged in a cavity between surface sections of the stationary frame part and the movable frame part. This means that, due to the detachable arrangement of the adjustment device in the easily accessible cavity in the frame parts designed as hollow profiles, the adjustment device present or installed is interchangeable with another adjustment device of another type and / or mode of operation. It is thus possible, for example, to replace an existing grid adjustment with an adjustment device with an adjusting spindle drive in order to functionally upgrade a desk, or vice versa.
  • the point of engagement of the adjusting device on the movable frame part is designed in such a way that the respectively existing adjusting device can be detached from the movable frame part without tools.
  • 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 the already mentioned DE-OS 39 04 510.
  • the formation of the adjusting device as a hollow profile with grid perforation represents the technically simplest and therefore the cheapest embodiment of the present invention.
  • the adjusting device can be an adjusting spindle, as is also known per se from the DE-PS 23 01 305 and 33 43 066 already mentioned at the beginning.
  • the design of the adjusting device as an adjusting spindle allows a stepless 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 arranged without problems on the flange provided with the holding slot, the arrangement being self-locking under the influence of gravity and can be produced or canceled without tools due to the design of the holding slot, in particular when the adjusting device advantageously engages in a positive manner in the holding slot.
  • 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 adjustment device's fixed attachment point 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 is used 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 base frame that is movably guided for this purpose.
  • Fixed frame part 4 and movable frame part 6 form in the assembled state according to 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 main leg or the other main legs 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.
  • 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 according to FIG. 2B so 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 with slight play on these inner surfaces of the wall sections 24 and 20 abuts and is thus fixed in position together with the positive engagement between slot 30 and flange 32 against tilting movements in the vertical direction.
  • 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 in such a way 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 with respect to the fixed frame part 4 takes place in that the screw 38 - after removal of a cover 40 - is loosened, i.e. 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 hole 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 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 be varied in an advantageous manner by 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 is interchangeable with a technically superior adjusting device 2.
  • a technically superior 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 is also created by contacting partial areas 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, so that the adjusting spindle 42 by means of the two collars 46 and 48 in a positive / positive manner the holding slot 34 or on the flange 32 can be fastened 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 is set in rotation.
  • the adjusting nut 44 thereby 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.
  • Height-adjustable tables normally have at least two table legs provided on the narrow sides, each consisting of a fixed frame part 4 and a 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 when the common drive device is operated, the two flexible shafts set the two existing adjusting spindles 42 in rotation so that the table top can be moved without tilting.
  • the central drive device can then either be driven either 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 be easily set up with the adjusting spindle 42 as the adjusting device 2. or retrofit.
  • the adjusting spindle 42 is fastened to the flange 32 with the two collars 46 and 48 and then the movable frame part 6 is again inserted into the fixed frame part 4 so far that the threaded bore 50 on the adjusting nut 44 either with a hole 36 or with one of the bores 36 is aligned in the wall section 24 of the fixed frame part 4, after which the screw 38 then fixes the adjusting nut 44 relative to the fixed frame part 4 again.
  • 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 adjusting spindle 42 is driven in each of the lateral table legs by means of 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 in turn be driven by 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 is at the push of a button can be continuously adjusted.
  • 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 electromotive drive can gradually and gradually take place, so that starting from the simplest design with the hollow profile 26 as the adjusting device 2 the table can be upgraded or upgraded gradually in higher and higher 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 adjusting 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)
  • Forklifts And Lifting Vehicles (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
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 (fr) 1992-03-17 1992-03-17
DE9203584U 1992-03-17

Publications (2)

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

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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)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0657123A1 (fr) * 1993-12-06 1995-06-14 Dewert Antriebs- und Systemtechnik GmbH & Co. KG Elément de levage plat
CN1123308C (zh) * 1993-01-29 2003-10-08 克尼尔电子机械有限公司 工作台
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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9310664U1 (de) * 1993-07-16 1993-09-16 Krause C Ceka Bueromoebel Höhenverstellbarer Tisch
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0307565A1 (fr) * 1987-08-20 1989-03-22 Schroff GmbH Table de travail avec dessus de table ajustable

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0307565A1 (fr) * 1987-08-20 1989-03-22 Schroff GmbH Table de travail avec dessus de table ajustable

Cited By (4)

* 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
EP0657123A1 (fr) * 1993-12-06 1995-06-14 Dewert Antriebs- und Systemtechnik GmbH & Co. KG Elément de levage plat
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

Also Published As

Publication number Publication date
DE9203584U1 (fr) 1992-05-07
DE59304328D1 (de) 1996-12-05
EP0561136B1 (fr) 1996-10-30
ATE144691T1 (de) 1996-11-15

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