EP1480538B1 - Arbeitstisch - Google Patents

Arbeitstisch Download PDF

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Publication number
EP1480538B1
EP1480538B1 EP03704087A EP03704087A EP1480538B1 EP 1480538 B1 EP1480538 B1 EP 1480538B1 EP 03704087 A EP03704087 A EP 03704087A EP 03704087 A EP03704087 A EP 03704087A EP 1480538 B1 EP1480538 B1 EP 1480538B1
Authority
EP
European Patent Office
Prior art keywords
work table
motor
rotation
control device
obstacle
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 - Lifetime
Application number
EP03704087A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1480538A1 (de
Inventor
Walter Koch
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
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3670799&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1480538(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT03704087T priority Critical patent/ATE325558T1/de
Publication of EP1480538A1 publication Critical patent/EP1480538A1/de
Application granted granted Critical
Publication of EP1480538B1 publication Critical patent/EP1480538B1/de
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
    • A47B9/00—Tables with tops of variable height

Definitions

  • the invention relates to a work table with a particular height-adjustable frame, the adjustment of which at least one electric motor is provided with a control device.
  • the invention is therefore the object of a work table of the type described in such a way that obstacles that reach the trajectory of the work table or drive parts are detected in a simple manner can shut down the table drive before any damage or injury occurs.
  • the invention solves this problem by the fact that the control device connected to an encoder for the engine load reverses the direction of rotation of the electric motor as a function of the determined change in the engine load and shuts it off after a reverse rotation caused thereby.
  • any obstacle entering the path of movement of a work table or one of its driving parts increases the engine load, the occurrence of an obstacle can be detected by appropriate monitoring of the engine load, regardless of the local location of the obstacle.
  • only one encoder for the load of the engine or the motors needs to be arranged and a control device to be acted upon by the determined engine loads to umzupolen the direction of rotation of the drive upon the occurrence of corresponding changes in the engine load and the engine or the motors for a corresponding Reset reset path.
  • the resetting of the drive offers over a mere shutdown of the engines the advantage that the obstacle is released after starting again and therefore can be removed unhindered from the adjustment of the work table.
  • the engine load can be determined in different ways, for example via the effective torque which can be detected via a provided in the course of the engine support pressure sensor. Particularly simple design conditions, however, arise when the encoder for the engine load consists of a measuring device for the motor current, which indeed changes with the engine load.
  • the illustrated embodiment shows a work table with a table top 1, which is supported by a frame 2, the telescopic legs 3 for height adjustment of the table top 1 has.
  • These telescopic legs 3 are adjustable by means of electric motors 4, which drive with a rack 5 meshing gears 6, when the electric motors 4 are controlled via a control device 7.
  • an input unit 8 which can also be wirelessly connected to the control device 7 in conjunction and has a conventional input field 9 for operating the work table.
  • the engine load is detected by encoder 10 and forwarded to the controller 7, so that due to corresponding changes in load, an intervention in the engine control can be made.
  • the arrangement is made such that the electric motors 4 are not only stopped, but also reversed in their direction of rotation to reset the table top 1 to release the obstacle. For this purpose, after the reversal of the direction of rotation of the electric motors 4 whose Shutdown controlled by a timer 11, which specifies a preferably adjustable period of time for the opposite motor operation.
  • the encoders 10 for the engine load are formed in the embodiment as a measuring device 12 for the respective motor current and turned on in the supply lines 13 between the motors 4 and a power source 14, which may be in the form of, for example, a power supply or a battery.
  • a measuring device 12 for the respective motor current is formed in the embodiment as a measuring device 12 for the respective motor current and turned on in the supply lines 13 between the motors 4 and a power source 14, which may be in the form of, for example, a power supply or a battery.

Landscapes

  • Forklifts And Lifting Vehicles (AREA)
  • Liquid Crystal (AREA)
  • Control Of Electric Motors In General (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Testing Of Engines (AREA)
  • Massaging Devices (AREA)
  • Vending Machines For Individual Products (AREA)
  • Control Of Multiple Motors (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Inorganic Insulating Materials (AREA)
EP03704087A 2002-02-26 2003-02-11 Arbeitstisch Expired - Lifetime EP1480538B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT03704087T ATE325558T1 (de) 2002-02-26 2003-02-11 Arbeitstisch

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT2842002 2002-02-26
AT0028402A AT410626B (de) 2002-02-26 2002-02-26 Arbeitstisch
PCT/AT2003/000039 WO2003071897A1 (de) 2002-02-26 2003-02-11 Arbeitstisch

Publications (2)

Publication Number Publication Date
EP1480538A1 EP1480538A1 (de) 2004-12-01
EP1480538B1 true EP1480538B1 (de) 2006-05-10

Family

ID=3670799

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03704087A Expired - Lifetime EP1480538B1 (de) 2002-02-26 2003-02-11 Arbeitstisch

Country Status (7)

Country Link
US (1) US6977476B2 (da)
EP (1) EP1480538B1 (da)
AT (2) AT410626B (da)
AU (1) AU2003206486A1 (da)
DE (1) DE50303288D1 (da)
DK (1) DK1480538T3 (da)
WO (1) WO2003071897A1 (da)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2299621T3 (es) † 2001-12-13 2008-06-01 Linak A/S Estructura ajustable, preferentemente articulo de mobiliario, proteccion contra aprisionamiento y unidad de accionamiento asociada.
AT501146B8 (de) 2005-03-25 2007-02-15 Logicdata Elect & Software Ent Arbeitstisch
SE0802030L (sv) * 2008-09-24 2009-11-17 Swedestyle Ab Anordning för montering av en bordsskiva på ett stativ med drivorgan
US7862409B1 (en) 2009-04-14 2011-01-04 Sheppard Barbara L Motorized height-adjustable table apparatus
DE102009058422B4 (de) 2009-12-16 2015-05-07 Logicdata Electronic & Software Entwicklungs Gmbh Vorrichtung und Verfahren zur Kollisionserkennung eines beweglichen Möbelanteils mit einem Hindernis
PL2479886T3 (pl) * 2011-01-19 2017-07-31 Kih-Utveckling Ab Sposób sterowania pracą silnika elektrycznego w układzie mebli z regulacją wysokości
EP2583586B2 (de) * 2011-10-18 2021-08-04 Kesseböhmer Produktions GmbH & Co. KG Vorrichtung zur Erfassung von Kollisionen und entsprechendes Verfahren
US10085562B1 (en) 2016-10-17 2018-10-02 Steelcase Inc. Ergonomic seating system, tilt-lock control and remote powering method and appartus
US10038952B2 (en) 2014-02-04 2018-07-31 Steelcase Inc. Sound management systems for improving workplace efficiency
US10827829B1 (en) * 2012-10-10 2020-11-10 Steelcase Inc. Height adjustable support surface and system for encouraging human movement and promoting wellness
US9486070B2 (en) * 2012-10-10 2016-11-08 Stirworks Inc. Height-adjustable support surface and system for encouraging human movement and promoting wellness
KR102053015B1 (ko) 2015-04-23 2020-01-08 티모션 테크놀로지 코., 엘티디. 전기 조정 테이블 및 전기 조정 테이블의 제어 방법
DE202015103821U1 (de) * 2015-07-17 2016-10-18 moll Funktionsmöbel GmbH Tischmöbel
CN106483985B (zh) 2015-08-24 2020-09-08 第一传动科技股份有限公司 用以控制升降设备的可携式装置及升降设备控制方法
US9921726B1 (en) 2016-06-03 2018-03-20 Steelcase Inc. Smart workstation method and system
US11019920B2 (en) 2016-09-23 2021-06-01 Varidesk, Llc Electrically-lifted computer desk and office desk thereof
CN206390562U (zh) 2016-09-23 2017-08-11 廖良成 电动升降电脑桌及其办公桌
CN206835028U (zh) 2017-05-25 2018-01-02 嘉兴礼海电气科技有限公司 一种防碰撞的电动升降桌控制器
DE102017125390A1 (de) * 2017-10-30 2019-05-02 Karsten Laing Verfahren zum Erfassen des Belegungszustandes mindestens eines Möbelstücks und elektrisch verstellbares Möbelstück
CN109700173A (zh) * 2018-05-31 2019-05-03 乐歌人体工学科技股份有限公司 升降桌控制方法
US11510487B2 (en) * 2018-12-06 2022-11-29 Zhejiang Jiecang Linear Motion Technology Co., Ltd. Desktop lifting platform with improved safety

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56123783A (en) * 1980-02-29 1981-09-29 Nippon Denso Co Ltd Control unit for load driving
US5723959A (en) * 1992-08-04 1998-03-03 Tokai-Rika-Denki Seishakusho Kabushiki Kaisha Power window driving control device
AT406631B (de) 1999-03-10 2000-07-25 Koch Walter Dipl Ing Arbeitstisch

Also Published As

Publication number Publication date
ATA2842002A (de) 2002-11-15
EP1480538A1 (de) 2004-12-01
US6977476B2 (en) 2005-12-20
AT410626B (de) 2003-06-25
DE50303288D1 (de) 2006-06-14
DK1480538T3 (da) 2006-09-11
AU2003206486A1 (en) 2003-09-09
WO2003071897A1 (de) 2003-09-04
ATE325558T1 (de) 2006-06-15
US20050082997A1 (en) 2005-04-21

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