WO2004000067A1 - Höheneinstellbarer arbeitstisch - Google Patents
Höheneinstellbarer arbeitstisch Download PDFInfo
- Publication number
- WO2004000067A1 WO2004000067A1 PCT/EP2003/002767 EP0302767W WO2004000067A1 WO 2004000067 A1 WO2004000067 A1 WO 2004000067A1 EP 0302767 W EP0302767 W EP 0302767W WO 2004000067 A1 WO2004000067 A1 WO 2004000067A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- work table
- worktop
- table according
- guide rail
- cable drum
- Prior art date
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
- A47B17/003—Writing-tables made of metal
-
- 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
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
- A47B13/06—Underframes of metal
-
- 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
- A47B9/12—Tables with tops of variable height with flexible height-adjusting means, e.g. rope, chain
Definitions
- the invention relates to a height-adjustable work table with two guide rails for receiving a worktop, which is adjustable in its working height by a drive motor with cable drums and pull cables.
- Work tables are known, which also include desks or workbenches which consist of a metallic frame which carries the so-called worktop.
- the frame initially consists of a base frame, which consists of at least two outer tubes which are spaced apart via a strut and which can have a different cross-sectional shape and cross-sectional size.
- Inner tubes are slidably guided in the outer tubes, which are connected to one another either exclusively via the worktop, but if necessary also additionally via a strut.
- An outer tube and an inner tube each form a support leg of the work table.
- a rope is connected in the upper area of the base frame, preferably in the upper area of the outer tube, which leads to the lower end of the inner tube, deflects there, leads up again and then in protrudes the upper region of the outer tube into the base frame and is picked up there by a pulling unit, which can be designed, for example, as a cable drum. All cables of the support legs are connected to the traction unit.
- a pulling unit By moving the traction unit accordingly, the inner tubes are now gradually pushed out of the outer tubes, but within predetermined limits, so that the worktop is raised.
- the pulling unit can be moved either manually or using a special drive.
- Such work tables are relatively complex and expensive to manufacture. This is due in particular to the fact that the outer and inner tubes that form the support legs are special profiles and have special sliders have to be brought together very precisely. Due to the design of the upper and lower frame, the work table is always fully assembled before delivery, which entails high transport costs. Such a work table is also relatively heavy, which has a disadvantageous effect when it is set up.
- the invention is based on the object of creating a work table with a height-adjustable worktop which has a relatively low weight and is extremely inexpensive.
- the work table should be designed so that it can be easily dismantled into its individual parts, can be packed in a small space and can be easily assembled by a layperson.
- a work table designed in this way has a relatively low weight with high stability and is inexpensive to produce. Standard tubes can be used for the guide rails, so that no special production is required.
- the work table can be disassembled into individual pieces and packed into a carton with a small footprint, stored at low cost and thus transported in a space-saving manner. Its design enables any layperson to assemble the work table according to the invention without any special skill.
- the worktop is moved downwards by its weight, so that the risk of the user being crushed is considerably reduced.
- the rope guide is designed so that the rope never falls out of its career.
- the worktop can be suspended on more than two ropes, each of which is driven. All drive cables are guided on a drum. The suspension point is above the highest table position.
- the motor When at least one rope is relieved, the motor preferably switches off automatically and / or the motor is reversed by electronic control in order to avoid tilting of the worktop or injury to the user. Different table heights can be saved. The worktop can be tilted or completely folded away. Further features of a work table according to the invention are disclosed in claims 2 to 9.
- Figure 1 shows an embodiment of the work table according to the invention.
- Figure 2 shows an embodiment of the drive of the worktop
- Figure 3a shows an embodiment of the storage of the pull rope
- Figure 3b shows an embodiment of the storage of the worktop on the
- Figure 4 shows the arrangement of the motor on the table top
- FIGS. 5-14 show further embodiments of the work table according to the invention.
- FIG. 15 shows a further embodiment of the work table according to the invention.
- a work table 1 according to the invention in side elevation is shown in section, the section running parallel to the narrow side of a worktop 2.
- the work table 1 consists of two vertically running guide rails 3, which in the exemplary embodiment shown are designed as support legs, are arranged on the rear of the worktop 2 and are each made from a square tube and advantageously have a square cross section.
- other cross-sectional shapes can also be selected. It is advisable to use cross-sectional shapes that are available on the market as standard tubes and that do not require special production do.
- the outer cross-sectional dimension of the support legs 3 is approximately 40 to 50 mm.
- each support leg 1 two struts 4, 5, which run obliquely to the support leg 3, are connected, for example by welding, which also consist of a commercially available tube, which run at an angle of approximately 90 ° to one another and over which the support leg 3 extends supports the ground.
- the support leg 3 is thus formed in one piece with the two struts 4, 5.
- Both support legs 3 formed in one piece with the struts 4, 5 are fixed, but releasably connected by a sheet 6 having an L-shaped cross section.
- This connection is made, as indicated in the drawing, by screws 7.
- These screws 7 are inserted into so-called gusset plates 8, which are inserted in the plate 6.
- This detachable connection enables the work table 1 to be disassembled and then the support legs 3 with the struts 4, 5 to be packed in the smallest space Actual assembly, the two support legs 3 are first set up and connected to one another via the sheet 6. This creates a stable, load-bearing unit 6.
- the sheet 6, which has an L-shaped cross section can be used as a so-called cable duct.
- the work table 1 also has two crossbeams 9, which are bent in a U-shape from sheet metal with a wall thickness of 2.00 to 4.00 mm and are open at the bottom.
- the web of these cross members 9 is notched at their rear ends, so that one cross member 9 can be slid on from above via a support leg 3.
- Both trusses 9 are firmly connected to one another by a U-shaped sheet 10 with a wall thickness of 1.50 to 3.00.
- This connection can already be made at the factory and can be designed to be detachable or non-detachable. For the packaging of the work table 1, however, this connection does not have to be separated, since the base area of this unit is not larger than the total area of the support legs 3.
- Each crossmember 9 has an upper, rear and a lower, front rollers 11, 12, which are formed, for example, by a ball bearing and are rotatably held between the legs of a crossmember 9 and on one Support leg 3.
- front rollers 11, 12 which are formed, for example, by a ball bearing and are rotatably held between the legs of a crossmember 9 and on one Support leg 3.
- sliding piece which bears against the vertical support leg 3, so that good and secure guidance of the crossbeams 9 on the support legs 3 is ensured.
- the U-shaped plate 10 is inserted open between the two traverses 9 and accommodates a drive motor known per se with a shaft and at least one cable drum with two pull cables 13 guided over deflection rollers.
- a drive motor known per se with a shaft and at least one cable drum with two pull cables 13 guided over deflection rollers.
- the arrangement of two rope drums is also possible. These parts are known per se and were therefore not shown in the drawing.
- the free ends of the traction cables are each attached to an upper end of the support legs 3, which are specially designed for this purpose.
- the traction cables 13 are guided in deflection pulleys in such a way that they can never leave the running groove of the deflection pulleys, even when the cable tension decreases. This also applies when the work table 1 is disassembled for transport and the traction cables 13 are unhooked for this purpose.
- both traverses 9 are pulled upwards simultaneously and smoothly by the motor, or let down by their own weight and the weight of the worktop 2.
- the worktop 2, which is fastened on the two cross members 9, for example by means of screws, can thus be raised or lowered.
- the downward movement of the crossbeams 9 and thus the lowering of the worktop 2 takes place exclusively through the dead weight of worktop 2, crossbeams 9 and U-shaped sheet metal 10 with the drive parts located therein.
- the drive does not exert any forces on the crossbeams 9. If the tension of the traction cables diminishes, the drive motor is switched off immediately via a special switch.
- the adjustment stroke of the worktop 2 is approximately 600 mm and enables a working height of the worktop 2 between 650 and 1250 mm.
- Figure 2 shows a possible embodiment of the drive of the worktop 2, which is mounted on the guide rails 3 as described above.
- the pull rope 13 is supported at one end at the upper end of the guide rail 3.
- the traction cable is rolled up and down on the cable drum 14 by means of the motor 15.
- Figure 3a shows a preferred embodiment of the suspension 16 of the rope 13 at the upper end of the guide rail.
- the suspension 16 essentially consists of a stopper 17, which is preferably at least partially positively received by the guide rail 3 and is supported on the wall thereof.
- the rope is arranged in the plug 17 in such a way that it can be subjected to tension (represented by the arrow).
- tension represented by the arrow.
- the plug 17 is pushed onto the guide rail 3 and can be accepted again during the disassembly.
- Figure 3b shows a preferred embodiment of the mounting of the crossmember 9 on the guide rail 3 in two views.
- the rollers 11, 12 engage the inner cross section of the profile 3, the rollers 12 being arranged at the front and the rollers 11 at the rear.
- the profile must have a slot 20 in which the crossmember moves up and down.
- a roller 18 is attached in the traverse, around which the cable 13 is deflected by the cable drum (not shown) to the holder 16 (not shown).
- FIG. 4 shows the mounting of the motor 15 and the cable drum 14 on the worktop 2, the worktop 2 not being shown.
- the pull rope 13 is guided by the rope drum 14 via a roller 19 to the roller 18.
- two traction cables 13 run on a roller 14, so that the up and down movement on the two guide rails 3 (only one shown) does not have to be synchronized.
- the person skilled in the art recognizes that three or more traction cables can also be guided on a cable drum.
- FIGS. 5-14 show possible embodiments of the work table according to the invention. In the embodiment according to FIG. 8, the work table has three guide rails 3, so that the worktop is raised or lowered at three points.
- the work table 10 has a hinge 21 so that the worktop 2 can be folded down and hinges 25 with which the leg supports 26 can be folded in.
- the work table is arranged in a box, for example in order to be able to raise or lower a television.
- the guide rails 3 are mounted on a wall and in Figure 13, the guide rails 3 are designed as support legs and non-positively connected by the cross member 22.
- FIG. 14 shows a further embodiment of the crossmember 22, which in the present case interacts positively with the support legs 3, which are braced together by the ropes 23.
- FIG. 15 shows a further embodiment of the work table 1 according to the invention.
- the work table 1 consists of two vertically running guide rails 3, which in the exemplary embodiment shown are designed as support legs, are arranged on the rear of the worktop 2 and are each made from a square tube and advantageously have a square cross section.
- other cross-sectional shapes can also be selected. It is advisable to use cross-sectional shapes that are available on the market as standard tubes and that do not require special production.
- the outer cross-sectional dimension of the support legs 3 is approximately 40 to 50 mm.
- each support leg 1 two struts 4, 5, which run obliquely to the support leg 3, are connected, for example by welding, which also consist of a commercially available tube, which run at an angle of approximately 90 ° to one another and over which the support leg 3 extends supports the ground.
- the support leg 3 is thus formed in one piece with the two struts 4, 5.
- Both support legs 3 formed in one piece with the struts 4, 5 are fixed to one another by a sheet metal (not shown), but are detachably connected to one another. This detachable connection gives the opportunity to disassemble the work table 1 and then pack the support legs 3 with the struts 4, 5 in the smallest space. In the Actual assembly, the two support legs 3 are first set up and connected to one another via the sheet metal. This creates a stable, load-bearing unit.
- the work table 1 also has two crossbeams 9, which are bent in a U-shape from sheet metal with a wall thickness of 2.00 to 4.00 mm and are open at the bottom.
- each crossbeam 9 has an upper, rear and a lower, front roller 11, 12, which is formed, for example, by a ball bearing and rotatable between the legs of a crossbeam 9 are held and rest on a support leg 3.
- the person skilled in the art recognizes that in this case the profile must have a slot in which the crossmember moves up and down.
- the pull cable 13 is guided by the motor 15 over a deflection roller 30 and fastened to the cross member 9 in the region of the roller 12.
- both traverses 9 are pulled upwards simultaneously and smoothly by the motor, or let down by their own weight and the weight of the worktop 2.
- the worktop 2, which is fastened on the two cross members 9, for example by means of screws, can thus be raised or lowered.
- the downward movement of the crossbeams 9 and thus the lowering of the worktop 2 takes place exclusively through the weight of the worktop 2 and crossbeams 9.
- the drive does not exert any forces on the crossbeams 9 for this purpose. If the tension of the traction cables diminishes, the drive motor is switched off immediately via a special switch.
- the adjustment stroke of the worktop 2 is approximately 600 mm and enables a working height of the worktop 2 between 650 and 1250 mm.
Landscapes
- Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
- Ladders (AREA)
- Massaging Devices (AREA)
- Machine Tool Units (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT03712042T ATE308261T1 (de) | 2002-06-20 | 2003-03-17 | Höheneinstellbarer arbeitstisch |
EP03712042A EP1517625B1 (de) | 2002-06-20 | 2003-03-17 | Höheneinstellbarer arbeitstisch |
AU2003218784A AU2003218784A1 (en) | 2002-06-20 | 2003-03-17 | Height adjustable working table |
DE50301570T DE50301570D1 (de) | 2002-06-20 | 2003-03-17 | Höheneinstellbarer arbeitstisch |
US10/518,135 US20050172869A1 (en) | 2002-06-20 | 2003-03-17 | Height adjustable working table |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20209604.1 | 2002-06-20 | ||
DE20209604U DE20209604U1 (de) | 2002-06-20 | 2002-06-20 | Höheneinstellbarer Arbeitstisch |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004000067A1 true WO2004000067A1 (de) | 2003-12-31 |
Family
ID=7972389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/002767 WO2004000067A1 (de) | 2002-06-20 | 2003-03-17 | Höheneinstellbarer arbeitstisch |
Country Status (8)
Country | Link |
---|---|
US (1) | US20050172869A1 (de) |
EP (1) | EP1517625B1 (de) |
AT (1) | ATE308261T1 (de) |
AU (1) | AU2003218784A1 (de) |
DE (2) | DE20209604U1 (de) |
DK (1) | DK1517625T3 (de) |
ES (1) | ES2252662T3 (de) |
WO (1) | WO2004000067A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8671853B2 (en) | 2012-05-24 | 2014-03-18 | Gemmy Industries Corporation | Adjustable desktop platform |
EP2967210B1 (de) * | 2013-08-12 | 2018-09-19 | DIRTT Environmental Solutions, Ltd. | Wandmontiertes system zur selektiven positionierung von objekten |
EP3001930A1 (de) * | 2014-10-03 | 2016-04-06 | Vitra Patente AG | Höhenverstellbarer Tisch |
US9414670B2 (en) * | 2014-12-12 | 2016-08-16 | Boka Import Export, Inc. | Collapsible table having interlocking assembly |
US9723919B1 (en) * | 2016-02-09 | 2017-08-08 | Symbiote, Inc. | Combination foldable and adjustable workstation |
CN206390562U (zh) | 2016-09-23 | 2017-08-11 | 廖良成 | 电动升降电脑桌及其办公桌 |
US11019920B2 (en) | 2016-09-23 | 2021-06-01 | Varidesk, Llc | Electrically-lifted computer desk and office desk thereof |
CA3073276A1 (en) | 2017-05-19 | 2018-11-22 | Dirtt Environmental Solutions, Ltd. | Systems and methods for selectively positioning wall-mounted devices |
TWM581843U (zh) * | 2019-01-10 | 2019-08-11 | 可文山 | Foldable table legs |
US11957242B2 (en) | 2019-03-20 | 2024-04-16 | Dirtt Environmental Solutions Ltd. | Height adjusting and leveling worksurface cantilever |
DE102021000657B4 (de) | 2020-09-14 | 2024-05-02 | Paul Wulff | Vorrichtung zur Höhenverstellung einer Tischplatte, insbesondere Schreibtischplatte |
US11439229B2 (en) * | 2020-09-16 | 2022-09-13 | Bridgewater Strategies, LLC | Adjustable height workstation |
USD1023624S1 (en) | 2021-08-16 | 2024-04-23 | AMQ Solutions, LLC | Collapsible workstation |
USD1023627S1 (en) | 2021-08-16 | 2024-04-23 | AMQ Solutions, LLC | Workstation |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5715759A (en) * | 1994-04-06 | 1998-02-10 | Lee; Eun Ok | Apparatus for setting furniture in variable elevated positions |
WO2000024290A1 (de) * | 1998-10-22 | 2000-05-04 | Protoned B.V. | Höhenverstellbare pc-arbeitsstation |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3123024A (en) * | 1964-03-03 | Self-leveling devices | ||
US2749196A (en) * | 1953-10-23 | 1956-06-05 | Joseph A Wolfe | Track and bed table carriage supported from bed rail |
US2875012A (en) * | 1954-06-08 | 1959-02-24 | Claude J Riley | Disappearing medicine cabinet |
US3339795A (en) * | 1965-03-24 | 1967-09-05 | Lincoln Mfg Co | Storage apparatus |
US3411464A (en) * | 1966-06-16 | 1968-11-19 | Lincoln Mfg Company | Vertically moving cantilever platform |
SU328630A1 (ru) * | 1970-02-24 | 1976-05-25 | Минский Опытный Завод Скб-3 | Чертежный стол |
US3937095A (en) * | 1974-10-24 | 1976-02-10 | Lincoln Manufacturing Company, Inc. | Self adjusting elevator |
DE8138223U1 (de) * | 1981-12-31 | 1982-05-19 | Horst Häusser Metallwaren GmbH, 7062 Rudersberg | Hoehenverstellbare arbeitsplatte |
US4553726A (en) * | 1983-09-19 | 1985-11-19 | Ex-Cell-O Corporation | Adjustable height seat apparatus for combat vehicle |
US4629072A (en) * | 1984-12-17 | 1986-12-16 | P.O.P. Displays, Inc. | Apparatus for storing and dispensing stacked articles |
US4651652A (en) * | 1984-12-20 | 1987-03-24 | At&T Bell Laboratories | Vertically adjustable work desk |
US5366203A (en) * | 1989-07-31 | 1994-11-22 | Safety Lock And Lift, Ltd. | Projector ceiling lift |
US5687654A (en) * | 1996-04-12 | 1997-11-18 | Huggins; Lloyd | Vertically adjustable table |
DE19801496C1 (de) | 1998-01-16 | 1999-05-06 | Knuerr Mechanik Ag | Arbeitsmöbel |
USD458046S1 (en) * | 2000-10-16 | 2002-06-04 | Vitra Patente Ag | Office furniture |
-
2002
- 2002-06-20 DE DE20209604U patent/DE20209604U1/de not_active Expired - Lifetime
-
2003
- 2003-03-17 US US10/518,135 patent/US20050172869A1/en not_active Abandoned
- 2003-03-17 DK DK03712042T patent/DK1517625T3/da active
- 2003-03-17 AT AT03712042T patent/ATE308261T1/de active
- 2003-03-17 DE DE50301570T patent/DE50301570D1/de not_active Expired - Lifetime
- 2003-03-17 AU AU2003218784A patent/AU2003218784A1/en not_active Abandoned
- 2003-03-17 EP EP03712042A patent/EP1517625B1/de not_active Expired - Lifetime
- 2003-03-17 WO PCT/EP2003/002767 patent/WO2004000067A1/de not_active Application Discontinuation
- 2003-03-17 ES ES03712042T patent/ES2252662T3/es not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5715759A (en) * | 1994-04-06 | 1998-02-10 | Lee; Eun Ok | Apparatus for setting furniture in variable elevated positions |
WO2000024290A1 (de) * | 1998-10-22 | 2000-05-04 | Protoned B.V. | Höhenverstellbare pc-arbeitsstation |
Also Published As
Publication number | Publication date |
---|---|
ATE308261T1 (de) | 2005-11-15 |
ES2252662T3 (es) | 2006-05-16 |
AU2003218784A1 (en) | 2004-01-06 |
US20050172869A1 (en) | 2005-08-11 |
DE50301570D1 (de) | 2005-12-08 |
EP1517625A1 (de) | 2005-03-30 |
EP1517625B1 (de) | 2005-11-02 |
DK1517625T3 (da) | 2006-03-20 |
DE20209604U1 (de) | 2002-08-22 |
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