EP0132448B1 - Table à plateau réglable - Google Patents

Table à plateau réglable Download PDF

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Publication number
EP0132448B1
EP0132448B1 EP83107243A EP83107243A EP0132448B1 EP 0132448 B1 EP0132448 B1 EP 0132448B1 EP 83107243 A EP83107243 A EP 83107243A EP 83107243 A EP83107243 A EP 83107243A EP 0132448 B1 EP0132448 B1 EP 0132448B1
Authority
EP
European Patent Office
Prior art keywords
shafts
table top
gear wheels
spindles
disposed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP83107243A
Other languages
German (de)
English (en)
Other versions
EP0132448A1 (fr
Inventor
Wolf Veyhl
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.)
Veyhl Produktion KG
Original Assignee
Veyhl Produktion KG
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 Veyhl Produktion KG filed Critical Veyhl Produktion KG
Priority to AT83107243T priority Critical patent/ATE24382T1/de
Priority to EP83107243A priority patent/EP0132448B1/fr
Priority to DE8383107243T priority patent/DE3368500D1/de
Priority to ZA845465A priority patent/ZA845465B/xx
Priority to AU30792/84A priority patent/AU3079284A/en
Publication of EP0132448A1 publication Critical patent/EP0132448A1/fr
Application granted granted Critical
Publication of EP0132448B1 publication Critical patent/EP0132448B1/fr
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B17/00—Writing-tables
    • A47B17/02—Writing-tables with vertically-adjustable parts
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height
    • A47B9/06—Tables with tops of variable height with vertical toothed rack
    • 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
    • A47B2200/0011—Underframes
    • A47B2200/002—Legs
    • A47B2200/0026—Desks with C-shaped leg
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/004—Top adjustment
    • A47B2200/0041—Height adjustable table top with parallel link arms
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/004—Top adjustment
    • A47B2200/0042—Height and inclination adjustable desktop, either separately or simultaneously
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/004—Top adjustment
    • A47B2200/0043—Inclination adjustable work top

Definitions

  • the invention relates to a table, in particular a work table for end devices of data processing systems, with a table frame having two side parts, a table top arranged between the side parts, adjustable in height and inclination, and an adjustment device for the table top which is located in the side parts near the front and rear Edges of the table top vertically arranged racks, with the racks meshing gears, which are connected in pairs by a shaft extending parallel to the front or rear edge of the table top, and mutually independent drives for the arranged on the front or rear shaft Gears includes, wherein the table top is supported on the shafts.
  • Such a table is known from DE-U-8 112 199.
  • the drives are formed by shafts which are arranged parallel to the racks in the side parts of the table and which engage in the same gears which are in engagement with the racks and at the same time keep these gears in engagement with the racks.
  • the threaded spindles arranged in the side parts must be rotated individually by means of keys or cranks, which can be inserted into corresponding openings on the top of the side parts and brought into engagement with the threaded spindles.
  • the disadvantage of such an arrangement is that there must be openings at the top of the table and that devices placed on the table can also hinder the attachment and in particular turning of a crank.
  • the invention is therefore based on the object of designing a table of the type mentioned at the outset in such a way that it can be adjusted at any time without any difficulty.
  • drives further gears, which are arranged on the shafts in the area between the side parts, and with the gears engaging drive members which can be driven by means of spindles perpendicular to the shafts, which in turn in mounted on the shafts bearing blocks, but are axially immovable only with respect to one of these bearings.
  • the invention therefore makes use of a drive which is also essentially used in the table which is the subject of European patent application 82108 250.0 (EP-A-0 087 498, which only relates to the prior art according to Art. 54 (3) EPC belongs).
  • the advantage of this drive is that it is arranged below the table top and is accessible from the front edge of the table top, where it is easily accessible and can also be operated without hindrance.
  • a particular advantage is also that the adjustment device does not form a rigid frame below the table top with its drive, which could easily interfere, but follows the movement of the table top, although a change in the distance between the shafts connecting the gears occurs when the table top is tilted .
  • the drive for the shafts is neither fixed on the table top nor on the table frame, but rather on the shafts themselves, so that it follows the movements of the shafts, since the spindles used to drive the shafts are only opposite each of the Bearings through which they are connected to the shafts are axially immovable, the length compensation necessary when the inclination is changed can be carried out without difficulty.
  • Both spindles are preferably axially immovably mounted in the bearing block arranged on the front edge of the table, so that no spatial changes occur in the area of the front edge of the table top when it is adjusted.
  • a particularly simple and space-saving arrangement is achieved if the further gear wheels are arranged in a common plane and the spindles are arranged coaxially to one another.
  • this arrangement offers, in a particularly simple manner, the possibility of connecting the spindle assigned to the front gearwheel in a rotationally fixed manner via a coupling to a drive element which is also connected in a rotationally fixed manner to an end passing through the front spindle of the spindle assigned to the rear gearwheel, but is displaceable along this end is.
  • the drive element for example a crank or a key
  • the spindle assigned to the front gearwheel is separated, the drive element is only in engagement with the rear spindle via the end passing through the front spindle, so that the table top is only actuated by actuating the drive element is adjusted in height in the area of its rear edge. This allows the slant of the plate to be adjusted in the manner desired by the user.
  • both spindles are actuated and accordingly both shafts are rotated, so that the gears attached to the ends of the shafts change their position uniformly with respect to the vertical racks, whereby a parallel displacement of the table top to the higher or Lower places is achieved. Accordingly, the adjustment of the table top is particularly simple in this way.
  • the spindles could also be designed as threaded spindles on the table according to the invention, on which toothed sliders sit, which in turn are in engagement with the further gears arranged on the shafts.
  • the further gears are designed as worm gears and the spindles each directly carry a drive worm which is in engagement with the worm gears.
  • ends of the shafts projecting beyond these gear wheels can engage in vertical guides which are adjacent to the toothed racks in a particularly simple manner.
  • the table shown in the drawing has a frame which consists of two C-shaped side parts 1 and 2 which are connected to one another in the region of their rear upper corner by a side member 3 which is designed as a cable duct.
  • the longitudinal member 3 forms, together with the upper bars 4 of the side parts 1 and 2, a square open to the front, in which a table top 5 is located when the table is fully assembled, which is only indicated by dash-dotted lines in the drawing.
  • the table top 5 is connected to the table frame by an adjusting device which comprises racks 6, 7 arranged vertically in the bars 4 of the side parts.
  • the racks 6 are arranged near the longitudinal member 3 and thus the rear edge of the table top 5, while the racks 7 are arranged near the free end of the spars 4 and thus in the region of the front edge of the table top 5.
  • gears 8, 9 are gears 8, 9 in engagement, which are connected in pairs by a common shaft 10 and 11, respectively. These shafts in turn extend parallel to the rear or front edge of the table top 5.
  • the ends 12 and 13 of the shafts 10 and 11 project beyond the gears 8 and 9 connected to one another and engage in vertical guide rails 14 and 15, which are arranged in the spars 4 of the side parts 1 and 2 next to the racks 6 and 7 such that the gears 8 and 9 are guided on paths parallel to the racks 6, 7, so that their teeth are in engagement with the racks at all times .
  • the gears on the associated racks can be made to roll so that they move up and down on the racks.
  • the table top 5 is supported on the shafts 10 and 11 so that it follows the movements of these shafts and can therefore be adjusted both in height and in inclination depending on the position of the gears 8 and 9 relative to the racks 6, 7 .
  • bearing blocks 16, 17 which engage in a manner not shown in recesses which are attached to the underside of the table top 5, as can be seen in particular from the schematic representation of FIG. 1 .
  • the recesses for the bearing blocks 17 arranged near the front edge of the table top 5 are preferably such that a displacement of the bearing blocks transversely to the shaft 11 is not possible, while for the bearing blocks 16 in the table top 5 a transverse bearing 10 is arranged is provided, which allows the necessary relative displacement between the table top and bearing blocks when the distance between the shafts 10 and 11 changes when the inclination changes.
  • the arrangement is such that the drive worm 22 is always in engagement with the associated worm wheel 20.
  • the coaxially inside spindle 24 is, however, axially displaceable in the bearing block 26 and, like the coaxially outside spindle 25, is held in the axial direction only in the front bearing block 27 so that it cannot be displaced.
  • the end of the outer spindle 25 projecting forward over the front worm wheel 21 is provided with a hexagon 31.
  • This arrangement allows a crank provided with a hexagon socket, not shown, either only on the hexagon 33 of the inner spindle or but to be pushed over the hexagon 31, 33 of both spindles.
  • only the inner spindle 24 is set in motion by turning the crank, with the result that the rear shaft 10 is driven via the worm wheel 22 and the toothed wheels 8 are thereby moved up or down on the associated racks 6.
  • the rear edge of the table top 5 is raised or lowered, thus changing the inclined position of the table top.
  • both worm wheels 20, 21 are driven simultaneously and uniformly when the crank is rotated via the shafts 24, 25, with the effect that, in addition to the rear gear wheels 8, the front gear wheels 9 also assigned racks are moved up or down and a parallel height adjustment of the table top takes place.
  • the described embodiment makes it clear that the invention provides a table with a plate which is adjustable in height and in inclination, the adjusting device of which ensures high stability, is very easy to handle, has a very simple structure and at the same time takes up little space .
  • the embodiment shown is particularly favorable because it optimally fulfills all requirements, even if the invention is not limited to this embodiment, but deviations from it are possible if they do not leave the scope of the invention determined by the claims.

Landscapes

  • Tables And Desks Characterized By Structural Shape (AREA)
  • Machine Tool Units (AREA)
  • Sawing (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Ladders (AREA)

Claims (6)

1. Table, en particulier table de travail pour terminaux d'installations de traitement de données, avec un bâti de table présentant deux parties latérales (1, 2), un plateau de table (5) agencé entre les parties latérales, réglable en hauteur et en inclinaison, et un dispositif de réglage pour le plateau, qui comprend des crémaillères (6, 7) agencées verticalement dans les parties latérales (1, 2), au voisinage des bords avant et arrière du plateau (5), des roues dentées (8, 9) se trouvant en prise avec les crémaillères. qui sont reliées entre elles par paire à chaque fois par un arbre (10, 11) s'étendant parallèlement au bord avant et arrière du plateau, ainsi que des entraînements indépendants entre eux pour les roues dentées agencées sur les arbres avant et arrière, le plateau (5) s'appuyant sur les arbres (10, 11), caractérisé en ce que l'entraînement comprend d'autres roues dentées (20, 21), qui sont agencées sur les arbres (10, 11), dans la zone entre les parties latérales (1, 2), et des organes d'entraînement (22, 23) se trouvant en prise avec les roues dentées, qui peuvent être actionnés au moyen d'axes (24, 25) perpendiculaires aux arbres (10, 11), qui sont maintenus à leur tour dans des paliers (26, 27) supportés sur les arbres (10, 11), mais ne sont supportés sans possibilité de déplacement axial à chaque fois que par rapport à un seul de ces paliers.
2. Table suivant la revendication 1, caractérisée en ce que les deux axes (24, 25) sont supportés sans possibilité de déplacement axial dans le palier (27) agencé sur le bord de table avant.
3. Table suivant la revendication 1 ou 2, caractérisée en ce que les autres roues dentées (20, 21 ) sont agencées dans un plan commun et les axes (24, 25) co-axialement l'un par rapport à l'autre.
4. Table suivant la revendication 3, caractérisée en ce que l'axe (25) associé à la roue dentée avant (21) peut être reliée sans possibilité de rotation relative, par l'intermédiaire d'un accouplement (31), à un organe d'entraînement, qui est relié, également sans possibilité de rotation relative, à une extrémité (32) traversant l'axe avant (25), de l'axe (24) associé à la roue dentée arrière (20), mais peut être amené à coulisser le long de cette extrémité.
5. Table suivant une des revendications précédentes, caractérisée en ce que les autres roues dentées (20, 21) sont réalisées en tant que roues à vis et les axes (24, 25) portent chacun directement une vis sans fin d'entraînement (22, 23) se trouvant en prise avec les roues à vis.
6. Table suivant une des revendications précédentes, caractérisée en ce que des extrémités faisant saillie au-delà des roues dentées (8, 9) reliées entre elles, des arbres (10, 11) s'engagent dans des guides verticaux (14, 15), qui sont adjacents aux crémaillères (6, 7).
EP83107243A 1983-07-22 1983-07-23 Table à plateau réglable Expired EP0132448B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT83107243T ATE24382T1 (de) 1983-07-23 1983-07-23 Tisch mit verstellbarer tischplatte.
EP83107243A EP0132448B1 (fr) 1983-07-23 1983-07-23 Table à plateau réglable
DE8383107243T DE3368500D1 (en) 1983-07-23 1983-07-23 Table with adjustable table top
ZA845465A ZA845465B (en) 1983-07-23 1984-07-16 A table with adjustable tabletop
AU30792/84A AU3079284A (en) 1983-07-22 1984-07-18 Adjustable tabletop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83107243A EP0132448B1 (fr) 1983-07-23 1983-07-23 Table à plateau réglable

Publications (2)

Publication Number Publication Date
EP0132448A1 EP0132448A1 (fr) 1985-02-13
EP0132448B1 true EP0132448B1 (fr) 1986-12-30

Family

ID=8190590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83107243A Expired EP0132448B1 (fr) 1983-07-22 1983-07-23 Table à plateau réglable

Country Status (5)

Country Link
EP (1) EP0132448B1 (fr)
AT (1) ATE24382T1 (fr)
AU (1) AU3079284A (fr)
DE (1) DE3368500D1 (fr)
ZA (1) ZA845465B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU592681B2 (en) * 1986-11-19 1990-01-18 Schiavello Bros. (Vic.) Pty. Ltd. Improvements in desks

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE418C (de) * 1877-09-19 J. ZEYLAND, Tischlermeister und Fabrikbesitzer, in Posen Mechanisch verstellbarer Schreibtisch
CH136873A (de) * 1928-12-24 1929-12-15 Baack Paul Schreibtisch.
DE3135609C2 (de) * 1981-09-09 1985-05-02 Erich Heinzig Kg, 4993 Rahden Bürotisch
EP0087498B1 (fr) * 1982-02-27 1986-11-12 Veyhl Produktion KG Table à plateau réglable

Also Published As

Publication number Publication date
DE3368500D1 (en) 1987-02-05
ZA845465B (en) 1985-03-27
AU3079284A (en) 1985-01-24
ATE24382T1 (de) 1987-01-15
EP0132448A1 (fr) 1985-02-13

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