EP0657123B1 - Flachhubelement - Google Patents

Flachhubelement Download PDF

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Publication number
EP0657123B1
EP0657123B1 EP94116546A EP94116546A EP0657123B1 EP 0657123 B1 EP0657123 B1 EP 0657123B1 EP 94116546 A EP94116546 A EP 94116546A EP 94116546 A EP94116546 A EP 94116546A EP 0657123 B1 EP0657123 B1 EP 0657123B1
Authority
EP
European Patent Office
Prior art keywords
hollow profile
lifting element
profile bar
element according
inner hollow
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
EP94116546A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0657123A1 (de
Inventor
Johannes Schneider
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.)
Dewert Antriebs und Systemtechnik GmbH and Co KG
Original Assignee
Dewert Antriebs und Systemtechnik GmbH and Co 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 Dewert Antriebs und Systemtechnik GmbH and Co KG filed Critical Dewert Antriebs und Systemtechnik GmbH and Co KG
Publication of EP0657123A1 publication Critical patent/EP0657123A1/de
Application granted granted Critical
Publication of EP0657123B1 publication Critical patent/EP0657123B1/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
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/04—Extensible bedsteads, e.g. with adjustment of length, width, height
    • A47C19/045—Extensible bedsteads, e.g. with adjustment of length, width, height with entire frame height or inclination adjustments
    • 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
    • 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
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/018—Control or drive mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • B66F3/10—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated with telescopic sleeves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/44—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
    • 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
    • A47B2200/0051—Telescopic
    • A47B2200/0052—Telescopic with two telescopic parts
    • A47B2200/0053—Flat lifting device for desks with two telescopic sections
    • 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
    • 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
    • A47B2200/0059—Leg adjustment with a motor, e.g. an electric motor in telescoping table legs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame

Definitions

  • the invention relates to a flat lifting element, in particular for furniture, with an outer and an inner hollow profile rail with closed cross sections and each Greater width than thickness and with an electromotive actuator.
  • EP 0 561 136 A1 is a flat lifting element known adjustment device for a height-adjustable table known, which are formed from an outer and inner hollow profile rail, both have an indefinable cross-section because they have many beads and indentations exhibit.
  • the inner hollow profile rail takes the adjusting spindle and the spindle nut of the electromotive actuator. To do this, it is open to the outside Provide recess in which a flange is attached. The two walls are even perfectly close to each other in this area.
  • the spindle is in the bottom Area provided with two spaced collars, which in the assembled state lie above and below the flange. This turns the spindle against axial
  • the present invention has for its object a flat lifting element Design described in more detail at the outset so that it is structurally simpler Way, a compact lifting element is created, which is taken into account Narrow installation spaces can be used universally and are also highly resilient is.
  • the task is solved by the linearly movable output member of the Actuator is directly coupled to the outer or inner hollow profile rail that the inner and outer hollow profile rails are essentially smooth and cross-section-like are, and that the outer hollow profile rail, the inner hollow profile rail encompasses essentially over the entire surface.
  • the flat lifting element according to the invention are essentially in addition to the electromotive actuator only the two hollow profile rails required. These are preferably for Weight reduction from light metal, for example aluminum, manufactured. Such profiles can be obtained commercially, so that the flat lifting element is inexpensive to manufacture.
  • the Flat lifting element is suitable for all installation positions, so that it is universally applicable. It can also optically, for example can be adapted very well to furniture fronts, as the visible ones External surfaces coated accordingly or with a decorative film can be pasted.
  • the outer contour of the inner cross section Hollow profile rail with the inner contour of the outer hollow profile rail matches, or that the outer contour of the inner Hollow profile rail with the formation of an annular gap in a small and constant distance to the inner contour of the outer Profile rail runs.
  • the cross sections the outer and inner hollow profile rails rectangular are formed that the thicknesses of the narrow sides are larger are as that of the broadsides and that at least in each narrow side an open on one side, circular in cross section Screw groove is. Since the narrow sides are reinforced, results there is an additional increase in the stability of the hollow profile rails.
  • the screw-in grooves on the inner and outer hollow profile rail suitable connecting parts or Screw on the stop parts. This version should also be useful not be burdened by sharp edges. To the corners of the hollow profile rails are rounded or they run in a circular arc with a relatively small radius.
  • the outer hollow profile rail inside with several in the longitudinal direction Grooves is provided in the guide rods that are preferably consist of a plastic. These grooves respectively Guide rods are conveniently in each other opposite long side areas. Because the inner Profile rail contacting surfaces opposite the inner surface protrude the outer profile rail, these guide rods can also be seen as spacer bars. However, it is also possible that the grooves are arranged in the inner hollow profile rail are and that the guide rods are firmly inserted therein, so that they move in the event that the inner hollow profile rail will be taken away. The opposite of the outer surface protruding surfaces then contact the inner surface of the outer hollow profile rail.
  • the electromotive actuator is usually with a provided with a rotationally drivable adjusting spindle.
  • This adjusting spindle is expediently protected in the inner hollow profile rail. Relative to the upright position of the flat lifting element then the engine and possibly the gearbox is in the lower area of the flat lifting element.
  • a flexible drive means is for example a well-known flexible shaft.
  • the flat lifting element 10 shown in FIG. 1 consists of essentially from an outer hollow profile rail 11, an inner Hollow profile rail 12 and an electric motor drive 13.
  • the walls of the two hollow profile rails 11, 12 are cut open to show that the rotationally driven threaded spindle 14 of the electric motor drive 13 upright is arranged in the inner hollow profile rail 12.
  • On the threaded spindle 14 is a block-like nut 15, which in an unspecified manner firmly with the inner Hollow profile rail 12 is connected.
  • the electromotive Drive 13 includes a gear motor 16 around the threaded spindle 14 to drive.
  • the outer hollow profile rail 11 and the inner hollow profile rail 12 are made of an aluminum profile, the outer hollow profile rail according to FIG 11 encloses the inner hollow profile rail 12 in a closing manner.
  • FIG. 3 indicates that the electromotive drive 13 opposite End of the extendable hollow profile rail, in this embodiment the inner hollow profile rail 12, with a connecting part 18 is provided. From the figures it follows that the flat lifting element 10 is suitable for all installation positions.
  • the narrow sides are formed as a semicircle. In the designs according to Figures 3 to 5, the narrow sides are flat, however the corners run in a radius.
  • the cross sections of the hollow profile rails 11, 12 can be seen as examples, and the same execution of the electromotive drive 13.
  • the hollow profile rails 11, 12 are made of extruded extruded profiles. In particular in the embodiment according to FIGS. 1 and 2 can increase the stability of the long side areas formed by 1 tube with a circular cross-section which are then connected to each other by filling panels are.
  • Figure 2 shows that in the arcuate long side area the outer hollow profile rail 11 3 grooves on the inside are incorporated into the plastic guide rods 17 are used.
  • the guide rods 17 contact the Outer surface of the inner hollow profile rail 12, since the contact surfaces opposite the inner surface of the outer hollow profile rail 11 project. This arrangement reduces friction.
  • the outer surface of the inner hollow profile rail runs 12 at a short distance from the inner surface of the outer Hollow section rail 11. From FIG. 2 it is readily apparent that that the grooves also on the outside in the inner hollow profile rail 12 can be provided so that the above Surfaces contact the inner surfaces of the outer hollow profile rail 11.
  • the guide rods 17 either cannot shown the outer surface of the inner hollow profile rail 12 or the inner surface of the outer hollow profile rail 11 each in whole or in part with a friction reducing Covering, for example with a film, or be pasted.
  • the friction reducing version can be in correspondingly also in the exemplary embodiments according to produce Figures 3 to 5.
  • 3 is intended to Possibility to be shown how stability increases and the lateral forces that occur can be better removed.
  • Figure 3 shows that the rectangular Cross section of both the outer hollow profile rail 11 and also the inner hollow profile rail 12 with reinforced narrow side walls can be executed.
  • the narrow side walls are longitudinally extending screw grooves 21 arranged to for example, the connecting part on the extendable hollow profile rail 18 to attach.
  • the grooves are in cross section circular, but on the inner sides facing each other open.
  • a connector 22 can be set on the electromotive drive associated lower end face also a connector 22 can be set.
  • Reference numeral 23 is a connection cable equipped with a plug designated.
  • FIG. 5 shows an embodiment in which the outer hollow profile rail 11 over the inner hollow profile rail 12 is turned over. So that the outer hollow profile rail 11 can be moved by the threaded spindle 14 is inside the hollow profile rail 11 a extending in the longitudinal direction Profile piece 26 in the form of a square tube used. The profile piece 26 is somewhat shorter than the hollow profile rail 11. The one assigned to the electric motor drive 13 The front end is at a distance from the associated end the hollow profile rail 11. The profile piece 26 is with the block-like Mother 15 firmly connected. By turning the threaded spindle 14 shifts the outer hollow profile rail 11 opposite the inner hollow profile rail 12. It should be mentioned that the hollow profile rails 11, 12 in the exemplary embodiments according to Figures 1, 4 and 5 according to the embodiment 3 can be provided with profiles.
  • the two End positions of the movable hollow profile rails 11 or 12 are specified by limit switches, not shown.
  • This Limit switches can be set on a perforated rail, see above that they are easily moved to a different position can be, for example, the maximum stroke of the to be adjusted Hollow profile rail 11 or 12 can not be used should.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nursing (AREA)
  • Transmission Devices (AREA)
  • Vehicle Body Suspensions (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)
EP94116546A 1993-12-06 1994-10-20 Flachhubelement Expired - Lifetime EP0657123B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE9318553U DE9318553U1 (de) 1993-12-06 1993-12-06 Flachhubelement
DE9318553U 1993-12-06
DE9415930U 1994-10-04
DE9415930U DE9415930U1 (de) 1993-12-06 1994-10-04 Flachhubelement

Publications (2)

Publication Number Publication Date
EP0657123A1 EP0657123A1 (de) 1995-06-14
EP0657123B1 true EP0657123B1 (de) 1998-03-04

Family

ID=25961482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94116546A Expired - Lifetime EP0657123B1 (de) 1993-12-06 1994-10-20 Flachhubelement

Country Status (8)

Country Link
US (1) US5626328A (da)
EP (1) EP0657123B1 (da)
JP (1) JPH07308226A (da)
AT (1) ATE163511T1 (da)
CA (1) CA2137317A1 (da)
DE (3) DE9318553U1 (da)
DK (1) DK0657123T3 (da)
ES (1) ES2113028T3 (da)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29519456U1 (de) * 1995-12-08 1996-03-07 Littec G. Litterst GmbH Technische Vertretungen, 79576 Weil am Rhein Hubsäule
DE29608180U1 (de) * 1996-05-06 1996-07-25 Dewert Antriebs- und Systemtechnik GmbH & Co KG, 32278 Kirchlengern Elektromotorischer Möbelantrieb
DE29702545U1 (de) * 1997-02-14 1997-03-27 RK Rose + Krieger GmbH & Co. KG Verbindungs- und Positioniersysteme, 32423 Minden Arbeitstisch
DE29923059U1 (de) * 1999-11-11 2000-05-25 Dewert Antriebs- Und Systemtechnik Gmbh & Co. Kg, 32278 Kirchlengern Elektromotorische Verstellanordnung
DE20302137U1 (de) 2002-09-16 2003-04-24 Dewert Antriebs- und Systemtechnik GmbH & Co KG, 32278 Kirchlengern Elektromotorischer Möbelantrieb
KR100490917B1 (ko) * 2002-11-29 2005-05-19 이방수 핸드 드라이어
KR100806540B1 (ko) * 2007-02-09 2008-02-25 코리아판서시스템(주) 멀티미디어강의대용 높낮이조절형 거치대
DE102009015690A1 (de) 2009-03-31 2010-10-07 Logicdata Electronic & Software Entwicklungs Gmbh Linearantrieb und Tisch mit Linearantrieb
JP1559697S (da) * 2015-10-19 2016-09-26
USD815477S1 (en) * 2016-06-27 2018-04-17 Unifor S.P.A. Height adjustable table leg
CN106974446A (zh) * 2017-05-14 2017-07-25 乐歌人体工学科技股份有限公司 电动置物架
US10758039B2 (en) * 2018-06-11 2020-09-01 Workrite Ergonomics, Inc. Platform with adjustable height
DE202018103610U1 (de) * 2018-06-26 2019-09-27 Grass Gmbh Linearantrieb, Möbelteil oder Haushaltsgerät-Teil und Möbel oder Haushaltsgerät
KR102072766B1 (ko) * 2018-07-20 2020-02-03 오승훈 스크류 잭
CN109008346B (zh) * 2018-07-31 2020-08-11 宜兴慕森智能家居有限公司 一种家具底座
JP7326665B2 (ja) * 2019-10-29 2023-08-16 株式会社イトーキ 間仕切装置及び什器
PL449583A1 (pl) * 2024-08-26 2026-03-02 Denkman Spółka Z Ograniczoną Odpowiedzialnością Zespół unoszenia mebla, zwłaszcza wypoczynkowego

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
US2368748A (en) * 1943-02-19 1945-02-06 Hard Mfg Company Over-bed table
US2683341A (en) * 1952-10-22 1954-07-13 Joseph W Kock Lathe grinder
US3022043A (en) * 1960-09-16 1962-02-20 Dewey S Weiss Quick action jack
US3210846A (en) * 1962-01-26 1965-10-12 Burton E Balkin Dental table
US3537762A (en) * 1967-05-26 1970-11-03 Alois Lodige Guide system with precision adjustment for telescopic components
CH546551A (de) * 1972-01-11 1974-03-15 Zollinger Hansrudolf Tisch.
US4206910A (en) * 1978-06-28 1980-06-10 Biesemeyer William M Table saw fence system
JPS5833162A (ja) * 1981-08-21 1983-02-26 Eiken Kagaku Kk エストリオ−ル−１６α−グルクロナイド測定用抗原およびその製造法
JPS61291217A (ja) * 1985-06-18 1986-12-22 Nissan Motor Co Ltd 車両用燃料タンクの蒸発燃料流出防止装置
US5064318A (en) * 1988-02-19 1991-11-12 Excellon Automation Precision guidance apparatus
GB8808279D0 (en) * 1988-04-08 1988-05-11 Lk Tool Co Ltd Linear guiding apparatus
JPH0710095Y2 (ja) * 1990-06-29 1995-03-08 日本トムソン株式会社 防振性を有する直動転がり案内ユニット
DE4106610A1 (de) * 1991-03-01 1992-09-03 Waibel Walter Hoehenverstellbarer tisch mit einer linear- oder geradfuehrung
DE9200450U1 (de) * 1992-01-16 1992-03-26 Waibel, Walter, 8312 Dingolfing Fußgestell für einen Schreib-, Labor- oder Arbeitstisch
DE9203584U1 (de) * 1992-03-17 1992-05-07 Waibel, Walter, 8312 Dingolfing Verstelleinrichtung für einen höhenverstellbaren Tisch
US5365862A (en) * 1992-12-09 1994-11-22 Joerns Healthcare Inc. Table height adjusting mechanism

Also Published As

Publication number Publication date
CA2137317A1 (en) 1995-06-07
DK0657123T3 (da) 1998-09-28
ES2113028T3 (es) 1998-04-16
DE59405375D1 (de) 1998-04-09
DE9415930U1 (de) 1995-01-19
JPH07308226A (ja) 1995-11-28
EP0657123A1 (de) 1995-06-14
US5626328A (en) 1997-05-06
ATE163511T1 (de) 1998-03-15
DE9318553U1 (de) 1994-02-03

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