EP0975249A2 - Vorrichtung zur höhenverstellung von platten - Google Patents
Vorrichtung zur höhenverstellung von plattenInfo
- Publication number
- EP0975249A2 EP0975249A2 EP98965616A EP98965616A EP0975249A2 EP 0975249 A2 EP0975249 A2 EP 0975249A2 EP 98965616 A EP98965616 A EP 98965616A EP 98965616 A EP98965616 A EP 98965616A EP 0975249 A2 EP0975249 A2 EP 0975249A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- lifting elements
- console
- lifting
- bracket
- guided
- 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
Links
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
- A47B9/04—Tables with tops of variable height with vertical spindle
Definitions
- the invention relates to a device for height adjustment of panels, in particular worktops, with at least one console which is attached to a frame and is provided with at least two vertically translatable lifting elements.
- the known height adjustments (see DE 297 06 520 U1) engage directly in the worktop to be adjusted.
- Two height adjustment devices are attached under the plate so that they can be moved parallel in the vertical axis.
- the known devices are usually equipped with a housing in which the lifting elements are provided. The housing is screwed to the frame of the table. For this purpose, special mounting options are attached to the frame and the housing.
- the known devices have the disadvantage that they can only be arranged at the locations which are defined by the receptacles provided on the frames. In addition, the known devices are expensive to manufacture due to the special receptacles on the housings and on the frames.
- the invention seeks to remedy this.
- the invention has for its object to provide a device for height adjustment of plates, which is simple in construction and can be attached at any point on the frame. According to the invention, this object is achieved in that a cover is screwed onto the console, that an opening is formed between the console and cover, that the lifting elements are received in the console from holes, and that the lifting elements are rotatably inserted into the holes.
- the inventive design makes it possible to arrange the device at any location on the frame.
- the attachment to the frame takes place through a profile which penetrates the opening between the cover and the console. After screwing the lid onto the console, the device is held clamped to the profile.
- a safe arrangement of the lifting elements in the console is created in a simple manner through the bores. The assembly is also considerably simplified.
- At least one nooke is formed on the lifting elements and is guided in slots in the console. This provides a high level of operational reliability of the device according to the invention in a simple manner.
- the lifting elements are supported in the console on bank cards which have a hole in their center. This ensures simple assembly of the device. In addition, this training leads to the safe functioning of the lifting elements.
- a recess is provided in the console between the lifting elements. This makes it possible to pass profiles with larger dimensions between the console and the cover.
- the lifting elements have a support element which is designed in the form of a bolt and is received by a receptacle.
- a support element which is designed in the form of a bolt and is received by a receptacle.
- the bolts are guided in a hole or an elongated hole at their ends facing away from the lifting element.
- the lifting elements are preferably provided with a scale. This makes it easy to determine the respective height of the lifting element.
- Figure 1 shows a device for height adjustment
- FIG. 2 shows a longitudinal section through the device shown in FIG. 1;
- Figure 3 shows a transmission with a drive spindle and bearing for the device of FIG. 1;
- Figure 4 shows the transmission of Fig. 3;
- 5 shows the gear with drive spindle and bearing according to FIG. 3 in
- FIG. 5 shows the exploded view of FIG. 5 from below.
- the device selected as an exemplary embodiment consists of two brackets 1 2, which are fastened at a distance from one another on a truss profile.
- One of the consoles 1 2 is attached on the right, the other on the left under a table top.
- Each console 1 2 is fastened by screwing a cover 1 3 onto the console 1 2.
- the cross member profile 1 6 passes through an opening formed between the console 1 2 and the cover 1 3.
- the device is thereby held clamped to the truss profile 1 6.
- the attachment with a worktop can be formed, for example, via a square tubular frame.
- Console 1 2 and cover 1 3 are designed as aluminum / magnesium die-cast parts.
- the two brackets are connected with a synchronous drive rod in the form of a hexagonal shaft.
- the brackets also allow the height and inclination of the table to which they are attached.
- Several table tops can be linked with their height drive.
- the synchronous drive rods are guided via a connecting gear with an operator hand crank, which thus enables the connected shafts to be adjusted in height and angle in a simple manner.
- Holes 1 21 are provided in the console 1 2.
- the bores 1 21 accommodate the lifting elements 14.
- a recess 1 23 is formed in the bracket 1 2 between the bores 1 21.
- the cover 1 3 has two openings 1 31. In the exemplary embodiment, the cover 1 3 is shown in two parts. The two lifting elements 14 are rotatably inserted into the console 1 2.
- the lifting elements 14 each consist of a piston 22, a sleeve 20, a hexagon nut 26 provided with an internal thread and a spindle 28 which engages in the internal thread of the nut and which is provided with an external thread.
- the piston 22 has an insertion compartment 221 for the nut 26 at its lower end.
- the piston 22 is provided with a central bore 222. It is thereby achieved that only the nut 26 has to be provided with an internal thread and no internal thread has to be provided in the central bore 222. This facilitates the manufacture of the lifting elements 14.
- the device for height adjustment has a gear 30 with a gear mount 40 and the spindle 28.
- the lifting element 14 is provided with a scale 23 on which the adjustment path is visible to the user. This is particularly useful if the individual lifting elements 14 can be set independently of one another. This makes it possible to adjust the height adjustments of the individual lifting elements 14 to the other in order to enable a parallel displacement of the plate.
- the scale 23 has a reading mark 231 in the area of its upper edge.
- a recess 1 25 is provided in the adjacent cover cap for the console 1 24.
- the cutout 1 25 is penetrated by the scale 23.
- an immersion slot 1 26 is provided for the scale 23.
- the scale 23 is provided symmetrically for the purpose of being interchangeable.
- a plate frame support bolt 1 27 is arranged transversely to the scale 23.
- cams 24 are formed at its lower end. These are in the assembled state of the device in
- a receptacle 223 is provided at the end of the piston 22 facing the plate.
- a support element 1 8 is received by the receptacle 223 in the assembled state of the device.
- the support element 1 8 consists of a bolt which is arranged at right angles to the central bore 222.
- the bolt is made of V2A steel. It has in its area facing the piston 22 a groove 81 in which a pin (not shown) engages to secure the bolt against falling out and shifting. Furthermore, are in the area facing away from the piston 22 the bolt two ring grooves 1 82 are provided, in which the square tubular frame is held.
- a hole is provided in the frame on the side of the frame facing the user of the plate. On the side facing away from the user, the hole in the frame is designed as an elongated hole.
- the spindle 28 has an external polygon 281, which serves to actuate the spindle 28.
- a central threaded bore 282 is provided in the spindle 28 in the area of the outer polygon 281 for securing.
- a groove 283 is formed into which check cards 284 engage as an abutment. To do this, instruct them in the middle
- the check cards 284 are made in two parts.
- the check cards 284 are supported in the console 1 2.
- the spindle 28 passes through an inner bearing plate 286 and an outer bearing plate 287, which are held against each other in a hole formed between them.
- a bevel gear 41, a thrust washer 42 and a collar bushing 43 are arranged, which are supported on the gearbox receptacle 40.
- the transmission mount 40 is also provided with a thrust washer 42 and a bush 43.
- a hexagonal hollow shaft 44, a bevel gear 45 and again a thrust washer 42 and a collar bushing 43 are provided in the axial direction of the last-mentioned thrust washer 42 and the associated bushing 43.
- the hexagonal hollow shaft 44 serves the synchronous drive of the right and the left table console.
- an adapter shaft 46 with driving surfaces 461 and one
- Driving polygon 462 provided.
- the adapter shaft 46 engages in a spur gear 47, which is provided on the transmission side.
- Another thrust washer 42 is provided between the adapter shaft 46 and the spur gear 47.
- a fastening screw 48 is inserted into the spur gear 47.
- the spur gear 43 meshes with a spur gear 49 on the
- This spur gear 49 is also held by a fastening screw 48. Both the gear 47 and the spur gear 49 each have a bearing groove 471 and 491.
- the spur gears 47 and 49 are screwed together with movement, ie the gearbox can float, so compensate for tolerance errors:
- the gearbox mount is therefore not screwed into the console, but movable.
- the bearing rings achieve a bridge bearing that serves to balance the radial forces.
- the device can be driven via a bevel gear and a hexagonal shaft connecting the lifting elements 1 4 in such a way that the respectively combined lifting elements 14 can be driven in rotation together. It is also conceivable that a plurality of brackets 1 2 or lifting elements 1 4 of adjacent pieces of furniture are connected to one another via a shaft, so that they can be driven together.
Landscapes
- Transmission Devices (AREA)
- Casings For Electric Apparatus (AREA)
- Floor Finish (AREA)
- Patch Boards (AREA)
- Paper (AREA)
- Bay Windows, Entrances, And Structural Adjustments Related Thereto (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19757313A DE19757313C1 (de) | 1997-12-22 | 1997-12-22 | Vorrichtung zur Höhenverstellung von Platten |
DE19757313 | 1997-12-22 | ||
PCT/DE1998/003711 WO1999032012A2 (de) | 1997-12-22 | 1998-12-17 | Vorrichtung zur höhenverstellung von platten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0975249A2 true EP0975249A2 (de) | 2000-02-02 |
EP0975249B1 EP0975249B1 (de) | 2003-08-20 |
Family
ID=7853045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98965616A Expired - Lifetime EP0975249B1 (de) | 1997-12-22 | 1998-12-17 | Vorrichtung zur höhenverstellung von platten |
Country Status (5)
Country | Link |
---|---|
US (1) | US6250594B1 (de) |
EP (1) | EP0975249B1 (de) |
AT (1) | ATE247399T1 (de) |
DE (2) | DE19757313C1 (de) |
WO (1) | WO1999032012A2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017222375B4 (de) * | 2017-12-11 | 2020-08-27 | Siemens Mobility GmbH | Verfahren zum Toleranzausgleich und Toleranzausgleichsystem |
DE102022129572A1 (de) | 2022-11-09 | 2024-05-16 | Paul Hettich Gmbh & Co. Kg | Möbel- oder Haushaltsgeräteelement |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US862943A (en) * | 1906-04-30 | 1907-08-13 | Philip F Swart | Adjustable support. |
US4257569A (en) * | 1979-07-26 | 1981-03-24 | General Motors Corporation | Power seat adjusting mechanism for a platform seat |
DE3835436A1 (de) | 1988-10-18 | 1990-04-19 | Drabert Soehne | Hoehenverstelleinrichtung fuer tischplatten, insbesondere von bueromoebeln |
US5224429A (en) * | 1991-04-17 | 1993-07-06 | Haworth, Inc. | Height adjustable table |
DE4227844C2 (de) | 1992-08-22 | 1998-10-22 | Fortschritt Gmbh | Höhenverstellvorrichtung für Arbeitsplatten |
DE9214214U1 (de) | 1992-10-21 | 1992-12-10 | RTR Büromöbelfabrik Richard Tritsch GmbH & Co KG, 7550 Rastatt | Vorrichtung zur Befestigung und Höhenverstellung einer Tischplatte an einem Schreibtischgestell |
US5483903A (en) * | 1994-06-10 | 1996-01-16 | Haworth, Inc. | Table |
DE4423402C2 (de) * | 1994-07-04 | 1999-12-30 | Maquet Ag | Stützsäule zur Halterung einer Patientenlagerfläche |
US5845590A (en) * | 1995-01-31 | 1998-12-08 | Krueger International, Inc. | Adjustable height table |
US5601037A (en) * | 1995-06-09 | 1997-02-11 | Haworth, Inc. | Table with recessed height-adjusting crank |
US5894344A (en) * | 1997-04-07 | 1999-04-13 | Tamez Construction | Elevation Measurement apparatus |
DE29706520U1 (de) * | 1997-04-11 | 1997-05-22 | Fortschritt GmbH, 79108 Freiburg | Vorrichtung zur Höhenverstellung der Arbeitsplatte eines Möbels |
-
1997
- 1997-12-22 DE DE19757313A patent/DE19757313C1/de not_active Expired - Fee Related
-
1998
- 1998-12-17 US US09/367,818 patent/US6250594B1/en not_active Expired - Fee Related
- 1998-12-17 WO PCT/DE1998/003711 patent/WO1999032012A2/de active IP Right Grant
- 1998-12-17 EP EP98965616A patent/EP0975249B1/de not_active Expired - Lifetime
- 1998-12-17 AT AT98965616T patent/ATE247399T1/de not_active IP Right Cessation
- 1998-12-17 DE DE59809347T patent/DE59809347D1/de not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9932012A2 * |
Also Published As
Publication number | Publication date |
---|---|
EP0975249B1 (de) | 2003-08-20 |
DE19757313C1 (de) | 1999-09-09 |
ATE247399T1 (de) | 2003-09-15 |
WO1999032012A3 (de) | 1999-07-29 |
US6250594B1 (en) | 2001-06-26 |
DE59809347D1 (de) | 2003-09-25 |
WO1999032012A2 (de) | 1999-07-01 |
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