EP2326212A1 - Device for mounting a table top on a frame with drive means - Google Patents
Device for mounting a table top on a frame with drive meansInfo
- Publication number
- EP2326212A1 EP2326212A1 EP09816516A EP09816516A EP2326212A1 EP 2326212 A1 EP2326212 A1 EP 2326212A1 EP 09816516 A EP09816516 A EP 09816516A EP 09816516 A EP09816516 A EP 09816516A EP 2326212 A1 EP2326212 A1 EP 2326212A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- table top
- drive means
- frame
- legs
- movement
- 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.)
- Withdrawn
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
- A47B9/00—Tables with tops of variable height
-
- 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
- A47B13/021—Fastening devices of the feet or legs
-
- 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
- A47B2200/0056—Leg adjustment with a motor, e.g. an electric motor
- A47B2200/0057—Leg adjustment with a motor, e.g. an electric motor situated under the worktop
Definitions
- the present invention relates to a device according to the preamble to appended Claim 1.
- the task forming the basis of the present invention is to improve the prior art structures by obviating the drawbacks as outlined above.
- a device according to the present invention affords major possibilities for great mechanical stability without jeopardising sensitivity to such slight loads as occur in the event of a pinch or jamming risk during adjustment of the table top for changing the level of the table top above a standing or seating surface, and thereby the working height.
- the present invention makes for a considerably safer and more sensitive structure than prior art structures without in any jeopardising the desired mechanical stability.
- a device i according to the present invention makes for considerably greater versatility in the utilisation of the movement sensing and adjustment of the different drive units.
- Fig. 1 is a photographic representation of a table frame for the application of a device according to the present invention.
- Fig. 2 is a perspective view of a part of a table with a device according to one embodiment of the present invention.
- Fig. 3 is a view similar to Fig. 2 with the parts separated from one another.
- Fig. 4 is substantially a similar view to Fig. 2 of another embodiment of a device according to the present invention with the parts separated from one another.
- Fig. 5 is a section taken through a part of the embodiment of
- Fig. 6 is a section taken in the direction of the arrows VI in Fig. 5.
- Fig. 7 is a perspective view of a detail of the part shown in Figs. 5 and 6.
- Fig. 8 is a perspective view of a part of a table frame with a device according to a further embodiment of the present invention.
- Fig. 9 is a perspective view of a part of a table frame with a device according to yet a further embodiment of the present invention.
- Fig. 10 is a perspective view on a larger scale of a part of the device according to Figs. 8 and 9.
- Fig. 11 is a section similar to Fig. 5 of a variation of the embodiment shown in Fig. 5.
- Fig. 12 is a section taken along the line XII-XII in Fig. 11.
- Fig. 13 is a perspective view on a larger scale of a part of the embodiment of the device in Figs. 11 and 12.
- Fig. 1 shows a table frame for a standing and seating table of per se known type.
- the table frame has two legs 1 and 2, each with its foot 3 and 4.
- the legs 1 and 2 are interconnected to one another by means of longitudinal beams 5 and ⁇ .
- a table top of in principle optional contour rests on the brackets 10 and 11, as well as the longitudinal beams 5 and 6.
- the table top may be rectangular or curved in different suitable ways, with a view to permitting a comfortable and efficient working position.
- the drive units 8 and 9 include as a rule an electric motor which, via a gear, is connected to a screw which extends down into the legs 1, 2.
- the drive units 8, 9 are as a rule powered by means of a suitable electronics unit, which is connected to a suitable power source, e.g. the standard power mains, and which by means of a suitable button cluster or set is actuable for adjusting of the table top upwards or downwards.
- a suitable power source e.g. the standard power mains
- a suitable button cluster or set is actuable for adjusting of the table top upwards or downwards.
- the illustrated table frame supports a table top 14.
- Figs. 1 and 2 show only a part of a table with the device according to the present invention, and it will be apparent from the Figures that the legs 1 and 2 are of the telescopic type, with an inner portion 12 and an outer portion 13.
- the table top 14, which may be manufactured from any optional material and, as in Figs. 1 and 2, may be assumed to be manufactured from a transparent material, so that the brackets 10, 11 and the longitudinal beams 5 and 6, as well as the drive units 8 and 9, are visible through the top.
- a movement sensor 15 which, via a cable 16, is connected to the electronics unit for supplying driving current to the drive unit 8.
- the movement sensor 15 is mounted, on the one hand, on the bracket 10 by means of bolts 15A and, on the other hand, on the drive unit 8 by means of bolts 15B.
- the movement sensor 15 is disposed between mutually movable parts, i.e. the table top 14 and the table legs 1, 2.
- the bracket 10 is mounted on the drive unit 8 by means of two bolts 17 and 18 which extend through the bracket 10 and each through a ring, washer or gasket 19 and 20.
- the longitudinal beams 5 and 6 are mounted on the drive unit 8 by means of bolts 21, 22 and 23, 24, which extend through holes in the beams 5 and 6 and each through its ring, washer or gasket 25, 26 27, 28 to threaded holes in the drive unit 8, which is connected to the electronics unit via a cable 29.
- the latter threaded holes need not, naturally, be located in the drive unit 8 proper, but for example in a bracket therefor.
- the rings, the washers or the gaskets 19, 20, 25, 26, 27, 28 may extend in bushing-like fashion into and possibly through the holes in the brackets 10 and the longitudinal beams 5, 6 for the bolts 17, 18, 21, 22, 23, 24.
- the arrangement at the other table leg 2 is in principle identical to the arrangement illustrated in Fig. 3.
- the table top 14 will thus in principle be movably mounted on the drive unit 8 with the aid of the elastomeric parts in the form of the rings, the washers or the gaskets 19, 20, 25, 26 and 27, 28, of which the latter may also be designated pads or cushions.
- Possible movement between the table top and the drive unit 8 and the table leg 1 or the table leg part 13 will thus be transmitted to the movement sensor 15 or, in other words, be exercised on it, and such a possible movement will result in a signal which is fed via the cable 16 to the electronics unit and which disconnects supply of the driving current to the drive unit 8. This will occur in the event of a risk of pinching or jamming.
- the embodiment of a device according to the present invention illustrated in Fig. 4 has its drive unit disposed in the table leg 1.
- a fixing plate 30 which is mounted on the fixing plate 31 of the drive unit 8 via a movement sensor 32 which is shown in greater detail in Figs. 5, 6 and 7.
- the movement sensor 32 displays a moving part 33 which is fixed in the table top 14 via the mounting plate 30.
- moving part 33 is secured in pads 34 and 35 which consist of elastomeric material, e.g. rubber or other similar material, and which are secured in a mounting member 36 which is fixed on the plate 31 of the drive unit 8.
- a strain element 37 which supports a strain gauge 38 and which is secured on the moving part 33.
- the strain element 37 is shown in greater detail in Fig. 7.
- the strain element is designed so as to permit large movement where the strain gauge 38 is positioned.
- the signal from the strain gauge 38 is fed to the electronics unit via the cable 16.
- the strain gauge 38 is further positioned so as to receive mechanical protection against damage in the event of extreme movement amplitudes between the parts 33 and 36. The protected positioning of the strain gauge 38 will further permit the employment of more sensitive indicators that has hitherto been possible.
- the longitudinal beams 5, 6 are fixedly mounted on the drive unit 8 by means of bolts 39, 40, 41, 42.
- the bracket 10, on which the table top rests, is fixed with a certain play on the drive unit 8 by means of bolts 43, 44, each of which extends through a first washer 45 and a second washer 46, a hole 47 in the bracket 10 to a fixing hole 48 in the drive unit 8 as intimated by means of ghosted lines.
- the second washer 46 is elastomeric and fits at least partly in the hole 47 and may therefore be considered as a bushing therein.
- the movement sensor 15 displays a pin 49 which freely extends through a hole 50 in the wall of the drive unit 8 into engagement with the bracket 10 e.g. a hole 51 in the bracket 10.
- the pin is suitably provided with a cap or hat 52 for tolerance completion and thereby elimination of possible movements between the pin 49 and the bracket 10.
- the embodiment illustrated in Fig. 9 is substantially alike the embodiment illustrated in Fig. 8, apart from the fact that the longitudinal beams 5, 6 are fixed in the drive unit 8 with a certain play in relation thereto in fundamentally the same manner as the bracket 10 in Fig. 8.
- the beams 5,6 are fixed on the drive unit 8 by means of bolts 53, 54, 55, 56 which each extend through a first sleeve 57, a second sleeve 58, a third sleeve 59 and through a hole 60 in the longitudinal beam 5, 6.
- the sleeves 57, 58, 59 fit into one another and in the hole 60 and the length corresponds substantially to the thickness of the longitudinal beam 5, 6, so that movement between the longitudinal beams 5, 6 and the drive unit 8 is permitted in the same manner as between the bracket 10 and the drive unit 8.
- the second sleeve 58 is of elastomeric material, and may be considered as a bushing.
- Fig. 10 shows the movement sensor 15 in greater detail.
- the movement sensor 15 has a body 61 which is designed in a manner suitable for its purpose and which supports a strain gauge 62. At the one end of the body 61, the previously mentioned pin 49 is secured therein. The pin 49 is not required in all practical applications. Further, the body 61 is provided with a number of mounting holes 63, 64, 65, 66.
- the strain gauge element 62 is connected to a connection means 67 by the intermediary of wires 68.
- FIG. 11 The embodiment of a device according to the present invention illustrated in Figs. 11, 12 and 13 is in principle similar to the embodiment illustrated in Figs. 5, 6 and 7, apart from the fact that the movement sensor 32 is of the type illustrated in Fig. 10.
- the pin 49 is however omitted, since the body 61 is fixed on the mounting plate 36 by means of a bolt 69 and a spacer 70, and on the moving part 33 by means of a bolt 71 and a spacer 72.
- the bolts 69, 71 and the spacers 70, 72 contribute to a fixed union between the body 61 and the mounting plate 36, as well as the moving part 33. All parts display the same reference numerals in the different Drawing Figures.
- the movement sensors or strain gauge elements may be of different types, for example wire strain gauges, piezoelements, etc. Further, they should preferably be of the self-calibrating type so that account is taken of any possible static load such as working equipment placed on the table top.
- the present invention permits the use of extremely sensitive indicators, since they are positioned with mechanical protection.
- the parts of the elastomeric material between the parts fixedly connected to the movement sensors and the parts substantially fixedly connected to the table top afford a certain mechanical protection of the movement sensors, but also contribute to realising a more uniform signal.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0802030A SE0802030L (en) | 2008-09-24 | 2008-09-24 | Device for mounting a table top on a rack with drive means |
PCT/SE2009/000415 WO2010036174A1 (en) | 2008-09-24 | 2009-09-18 | Device for mounting a table top on a frame with drive means |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2326212A1 true EP2326212A1 (en) | 2011-06-01 |
EP2326212A4 EP2326212A4 (en) | 2012-02-29 |
Family
ID=41279168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09816516A Withdrawn EP2326212A4 (en) | 2008-09-24 | 2009-09-18 | Device for mounting a table top on a frame with drive means |
Country Status (4)
Country | Link |
---|---|
US (1) | US20110168064A1 (en) |
EP (1) | EP2326212A4 (en) |
SE (1) | SE0802030L (en) |
WO (1) | WO2010036174A1 (en) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2160958B1 (en) * | 2008-09-08 | 2016-06-29 | Linak A/S | Height adjustable table |
DE202011003743U1 (en) * | 2011-03-10 | 2011-05-05 | Oelschläger Metalltechnik GmbH | Height-adjustable table frame, especially for a desk, and table with selbigem |
US10827829B1 (en) | 2012-10-10 | 2020-11-10 | Steelcase Inc. | Height adjustable support surface and system for encouraging human movement and promoting wellness |
CZ26472U1 (en) * | 2013-07-02 | 2014-02-17 | Hon - Kovo S.R.O. | Structure of height-adjustable table |
TWM486995U (en) * | 2014-04-03 | 2014-10-01 | Timotion Technology Co Ltd | Easy to unfold and fold electric table foot frame |
WO2015180725A1 (en) * | 2014-05-26 | 2015-12-03 | Linak A/S | Supporting frame for a piece of furniture |
JP6630290B2 (en) * | 2014-05-26 | 2020-01-15 | リナック エー/エス | Furniture support frame |
KR102053015B1 (en) * | 2015-04-23 | 2020-01-08 | 티모션 테크놀로지 코., 엘티디. | Electrical Adjustable Table and Control Method for Electrical Adjustable Table |
US10114352B2 (en) | 2015-07-01 | 2018-10-30 | Fellowes, Inc. | Variable height platform device |
TWM515820U (en) * | 2015-10-15 | 2016-01-21 | Timotion Technology Co Ltd | Desk frame structure |
US9730512B1 (en) * | 2016-02-10 | 2017-08-15 | Veyhl Gmbh | Table frame and table |
EP3406162B1 (en) * | 2017-05-24 | 2023-07-26 | Vitra AG | Piece of furniture adjustable in height and cable guide for same |
EP3440958B1 (en) * | 2017-07-28 | 2021-03-03 | Varidesk, LLC | Motorized adjustable height table |
JP6912397B2 (en) * | 2017-08-30 | 2021-08-04 | 株式会社ダルトン | Lifting work table |
CN111132578B (en) * | 2017-09-18 | 2022-05-17 | 斐乐公司 | Height-variable platform system |
US10842258B2 (en) | 2017-09-18 | 2020-11-24 | Fellowes, Inc. | Variable height platform system |
JP6519644B2 (en) * | 2017-12-22 | 2019-05-29 | 株式会社イトーキ | Wiring duct device for desk with elevator top plate |
JP6519645B2 (en) * | 2017-12-22 | 2019-05-29 | 株式会社イトーキ | Wiring duct device for desk with elevator top plate |
CA3092777A1 (en) | 2018-03-14 | 2019-09-19 | Linak A/S | Frame for a table |
USD861382S1 (en) * | 2018-04-24 | 2019-10-01 | Yajun Hu | Height adjustable gaming desk |
US11278113B2 (en) * | 2018-08-27 | 2022-03-22 | Zhejiang Jiecang Linear Motion Technology Co., Ltd. | Modularized fast assembly lift desk and fast assembly method therefor |
CN109156986B (en) * | 2018-11-12 | 2022-02-22 | 广东鸿业家具制造有限公司 | Foldable multifunctional table |
US20200154876A1 (en) * | 2018-11-19 | 2020-05-21 | Choice Industries Corp. | Electrical table carrier mechanism |
CA3061786C (en) * | 2018-11-20 | 2024-03-19 | Square Grove Llc | Vertically adjustable desk with under-carriage mounting system |
DE202019102842U1 (en) * | 2019-05-20 | 2020-08-24 | Dewertokin Gmbh | Electromotive adjusting device for furniture, in particular table furniture |
WO2020245068A1 (en) | 2019-06-06 | 2020-12-10 | Basf Se | Collectors for flotation process |
US10702058B1 (en) * | 2019-07-15 | 2020-07-07 | Grand-Tek Technology Co., Ltd. | Stable lifting structure of lifting desk |
US11598760B2 (en) * | 2020-01-23 | 2023-03-07 | Saudi Arabian Oil Company | Geologic core inspection table |
USD961962S1 (en) * | 2020-07-02 | 2022-08-30 | Yajun Hun | Gaming desk |
USD966015S1 (en) * | 2020-08-03 | 2022-10-11 | Ningbo Yuanjing Electronic Technology Co., Ltd | Desk |
DE102021206231A1 (en) | 2021-06-17 | 2022-12-22 | Veyhl Gmbh | Height-adjustable table leg, table frame and table |
EP4173520A1 (en) * | 2021-10-26 | 2023-05-03 | Actiforce International B.V. | Height-adjustable office furniture |
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US5345882A (en) * | 1992-02-19 | 1994-09-13 | Sanwa Supply Co., Ltd. | Assembly-type table |
SE516479C2 (en) * | 2000-05-11 | 2002-01-22 | Artektron Ab | Device is for automatic stopping and-or reversing table top ascending movement to counteract jamming tendency, with table being raisable and lowerable by motor drive |
EP1891872A1 (en) * | 2006-08-24 | 2008-02-27 | Kesseböhmer Produktions GmbH + Co. KG | Device and process for detection of collisions for furniture |
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IT1077108B (en) * | 1977-04-29 | 1985-05-04 | Castelli Sas Anonima | REMOVABLE TABLE WITH ONE OR MORE SUPPORT COLUMNS |
US4109589A (en) * | 1977-07-07 | 1978-08-29 | Winzeler Stamping Company | End leaf table |
US4552403A (en) * | 1983-09-29 | 1985-11-12 | Hamilton Industries | Power-operated medical examination table |
US5870647A (en) * | 1992-11-09 | 1999-02-09 | Canon Kabushiki Kaisha | Pedestal for supporting equipment |
ATE159153T1 (en) * | 1994-01-17 | 1997-11-15 | Matthias Fischer | ITEM OF FURNITURE WITH A STATIONARY TOP AND WITH AT LEAST TWO ATTACHMENT TABLES |
FR2719752B1 (en) * | 1994-05-10 | 1996-08-09 | Exess Technologie | Arrangement of a table with controlled mobile elements, in particular for people with reduced mobility. |
DE19732467C2 (en) * | 1997-07-28 | 1999-05-27 | Siemens Ag | Transport trolley patient table system for changing a removable plate and transport trolley for this system |
US6286441B1 (en) * | 1999-04-30 | 2001-09-11 | Steelcase Development Corporation | Height adjustable work surface and control therefor |
US6352037B1 (en) * | 2000-02-28 | 2002-03-05 | Suspa Incorporated | Position sensor holder and cover for motor drive unit |
US7077068B1 (en) * | 2000-11-21 | 2006-07-18 | Baker Manufacturing Co., Inc. | Height adjustable table |
WO2003056976A1 (en) * | 2001-12-13 | 2003-07-17 | Linak A/S | An adjustable construction preferably an article of furniture and a squeeze protection and a drive unit thereto |
AT410626B (en) * | 2002-02-26 | 2003-06-25 | Koch Walter Dipl Ing | Work table has controller that reverses direction of rotation of adjustment motor depending on detected parameter and/or motor load change, switches motor off after resulting reverse rotation |
CA2436267C (en) * | 2003-07-30 | 2010-07-27 | Control And Metering Limited | Vibrating table assembly for bag filling apparatus |
US20050217540A1 (en) * | 2004-03-31 | 2005-10-06 | Novak Daniel A | Emergency dispatch workstation |
US7805784B2 (en) * | 2005-12-19 | 2010-10-05 | Stryker Corporation | Hospital bed |
AT501146B8 (en) * | 2005-03-25 | 2007-02-15 | Logicdata Elect & Software Ent | BENCH |
US7439694B2 (en) * | 2005-09-01 | 2008-10-21 | Atlas Richard B | Adjustable lectern system |
US20070137535A1 (en) * | 2005-12-16 | 2007-06-21 | Steelcase Development Corporation | Load compensator for height adjustable table |
DK176598B1 (en) * | 2006-02-10 | 2008-10-20 | Jesper Oestergaard Kristensen | Telescopic lifting column for height adjustment of pupilable tables |
EP2020217B1 (en) * | 2007-08-03 | 2011-04-27 | TRUMPF Medizin Systeme GmbH | Operating table |
-
2008
- 2008-09-24 SE SE0802030A patent/SE0802030L/en unknown
-
2009
- 2009-09-18 WO PCT/SE2009/000415 patent/WO2010036174A1/en active Application Filing
- 2009-09-18 EP EP09816516A patent/EP2326212A4/en not_active Withdrawn
- 2009-09-18 US US12/998,128 patent/US20110168064A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5345882A (en) * | 1992-02-19 | 1994-09-13 | Sanwa Supply Co., Ltd. | Assembly-type table |
SE516479C2 (en) * | 2000-05-11 | 2002-01-22 | Artektron Ab | Device is for automatic stopping and-or reversing table top ascending movement to counteract jamming tendency, with table being raisable and lowerable by motor drive |
EP1891872A1 (en) * | 2006-08-24 | 2008-02-27 | Kesseböhmer Produktions GmbH + Co. KG | Device and process for detection of collisions for furniture |
Non-Patent Citations (1)
Title |
---|
See also references of WO2010036174A1 * |
Also Published As
Publication number | Publication date |
---|---|
SE532213C2 (en) | 2009-11-17 |
SE0802030L (en) | 2009-11-17 |
EP2326212A4 (en) | 2012-02-29 |
WO2010036174A1 (en) | 2010-04-01 |
US20110168064A1 (en) | 2011-07-14 |
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Effective date: 20140611 |