EP0724540B1 - Table elevatrice a systeme de levage du type en ciseaux - Google Patents

Table elevatrice a systeme de levage du type en ciseaux Download PDF

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Publication number
EP0724540B1
EP0724540B1 EP94930972A EP94930972A EP0724540B1 EP 0724540 B1 EP0724540 B1 EP 0724540B1 EP 94930972 A EP94930972 A EP 94930972A EP 94930972 A EP94930972 A EP 94930972A EP 0724540 B1 EP0724540 B1 EP 0724540B1
Authority
EP
European Patent Office
Prior art keywords
scissor
geared motor
spindle nut
spindle
elements
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
EP94930972A
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German (de)
English (en)
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EP0724540A1 (fr
Inventor
Ernst Langewellpott
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Individual
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Individual
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Publication of EP0724540A1 publication Critical patent/EP0724540A1/fr
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Classifications

    • 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
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/065—Scissor linkages, i.e. X-configuration
    • 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
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/0608—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement driven by screw or spindle

Definitions

  • the invention relates to a scissor lift table with scissor members crossing each other in the respective central region, pivotable against one another and carrying a table top, each of which is fixed at one end but is pivotally connected to the floor on the one hand and the table top on the other hand and is displaceable at the other end against the floor and the underside the table top.
  • a drive for mutual pivoting of the scissor links in the sense of raising or lowering the table top which comprises a threaded spindle which runs essentially horizontally through the pivot axis of the scissor links, which is drive-connected at one end to a geared motor and in the other end area with a threaded engagement receives a spindle nut, and with both ends pivotable handlebars, which are mounted on the gear motor or the spindle nut on the one hand and one of the scissor links on the other.
  • Such a scissor lift table is known from DE-OS 41 06 371.
  • the well-known scissor lift table works flawlessly, but it can be improved with regard to the structural simplicity.
  • the invention has for its object to provide a scissor lift table of the generic type, which offers the largest possible stroke between the minimum height and maximum height with a relatively simple structure.
  • the definition in the swivel axis can be made both on the side of the geared motor and on the spindle nut.
  • a scissor lift table is schematically shown, which comprises an upper table top 10 and a lower base plate 12.
  • the table top and the base plate do not have to be closed tops. Rather, it can be a suitable frame or frame construction.
  • a housing 28 of a geared motor 30 is at the same time pivotally fixed, from which a threaded spindle 32 emerges to the left in FIG. 1, which receives a spindle nut 34.
  • the spindle nut 34 is shifted to the left or right in FIG. 1.
  • FIG. 1 On the spindle nut 34 there are in FIG. 1 an upper and a lower pivot axis 36, 38 in which the links 40, 42 are pivotally mounted. which are connected at their other ends via pivot axes 44, 46 to the two sections of the scissor links 18, 20 to the left of the pivot axis 26 in FIG. 1.
  • FIG. 1 is only a schematic illustration. In practice there is usually a further pair of scissor links behind the plane of the drawing in FIG. 1, and the drive device is located between the two pairs of scissor links.
  • Fig. 2 largely corresponds to Fig. 1, so that the same reference numerals have been used for the corresponding parts.
  • the only difference from FIG. 1 is that the two pivot axes 36, 38 on the spindle nut 34 according to FIG. 1 are combined to form a single pivot axis 48. This results in a certain lengthening of the two links 40, 42, which leads to more kinematically favorable conditions.
  • a further extension of the links 40, 42 results from the illustration in FIG. 3, in which the two links 40, 42 are in turn mounted in the pivot axes 36, 38, but in a crosswise arrangement, so that, for example, the top Scissor link section leading link 40 extends from the lower pivot axis 38 of the spindle nut 34.
  • FIGS. 1 to 3 requires only two links with a total of four joints and a relatively simple drive with a short threaded spindle 32.
  • FIG. 5 again corresponds completely to FIG. 4, with the exception that the housing 28 of the geared motor 30 is extended by a sleeve 50 surrounding the threaded spindle 32, on which in this case there is a pivot axis 52 in which the two links 40, 42 are pivotally mounted.
  • This solution offers the possibility of arranging the geared motor 30 laterally outside the area of the table top 10, so that the geared motor does not prevent the table top from being completely lowered.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Machine Tool Units (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Knitting Machines (AREA)
  • Sewing Machines And Sewing (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Manipulator (AREA)

Claims (3)

  1. Table élévatrice à système de levage du type en ciseaux, comprenant des éléments de ciseaux (18, 20) se croisant dans la zone médiane respective, pivotant les uns par rapport aux autres et portant un dessus de table (10), dont respectivement l'une des extrémités est rattachée de manière fixe mais pivotante au sol d'une part et à la surface inférieure du dessus de table d'autre part, et dont l'autre extrémité est appliquée de manière mobile contre le sol et la surface inférieure du dessus de table, une commande pour le pivotement mutuel des éléments de ciseaux dans le sens de la montée ou de la descente du dessus de table, équipée d'une broche filetée (32) passant par l'axe de pivotement (26) des éléments de ciseaux (18, 20) dont l'une des extrémités est couplée en entraînement avec un moto-réducteur (30) et qui reçoit dans l'autre section terminale, avec engrènement, un écrou de broche (34), et des bras oscillants (40, 42) articulés aux deux extrémités montés sur le moto-réducteur (30) et respectivement sur l'écrou de broche (34) d'une part et respectivement sur l'un des éléments de ciseaux (18, 20) d'autre part, caractérisée en ce que le moto-réducteur (30) ou l'écrou de broche (34) est fixé de manière pivotante dans l'axe de pivotement (26) des éléments de ciseaux (18, 20), et que l'écrou de broche (34) ou le moto-réducteur est couplé à chaque fois, à partir de l'un des angles de ciseaux latéraux, par l'intermédiaire de respectivement l'un des bras oscillants (40, 42) articulés aux deux extrémités, avec l'un des éléments de ciseaux.
  2. Table élévatrice à système de levage du type en ciseaux selon la revendication 1, caractérisée en ce que le moto-réducteur (30) est monté de manière pivotante dans l'axe de pivotement (26) des éléments de ciseaux (18, 20).
  3. Table élévatrice à système de levage du type en ciseaux selon la revendication 1, caractérisée en ce que l'écrou de broche (34) est placé dans l'axe de pivotement (26) des éléments de ciseaux (18, 20).
EP94930972A 1993-10-27 1994-10-24 Table elevatrice a systeme de levage du type en ciseaux Expired - Lifetime EP0724540B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4336662A DE4336662A1 (de) 1993-10-27 1993-10-27 Scherenhubtisch
DE4336662 1993-10-27
PCT/EP1994/003486 WO1995011852A1 (fr) 1993-10-27 1994-10-24 Table elevatrice a systeme de levage du type en ciseaux

Publications (2)

Publication Number Publication Date
EP0724540A1 EP0724540A1 (fr) 1996-08-07
EP0724540B1 true EP0724540B1 (fr) 1997-03-05

Family

ID=6501150

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94930972A Expired - Lifetime EP0724540B1 (fr) 1993-10-27 1994-10-24 Table elevatrice a systeme de levage du type en ciseaux

Country Status (7)

Country Link
US (1) US5694864A (fr)
EP (1) EP0724540B1 (fr)
JP (1) JPH09508882A (fr)
AT (1) ATE149474T1 (fr)
DE (2) DE4336662A1 (fr)
ES (1) ES2102258T3 (fr)
WO (1) WO1995011852A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6742768B2 (en) 2002-03-07 2004-06-01 Transportes Continuos Interiores, S.A. Scissor lifting table
CN111740696A (zh) * 2020-07-03 2020-10-02 吴克郴 一种基于机械传动原理的太阳能板清灰装置

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998027866A2 (fr) * 1996-12-20 1998-07-02 Koninklijke Philips Electronics N.V. Appareil medical comprenant une table pour patients avec mecanisme elevateur compact et rigide
EP0927529B1 (fr) * 1997-12-29 2003-05-02 Provenda Marketing AG Table avec élément de plateau réglable en hauteur
US6343556B1 (en) 1998-11-20 2002-02-05 John S. Lanphear Vertically adjustable table
US6874432B2 (en) 1998-11-20 2005-04-05 John S. Lanphear Vertically adjustable table
DE19921435A1 (de) * 1999-05-08 2000-11-16 Heckert Gmbh Scherenhubtisch
US20020139618A1 (en) 2001-04-02 2002-10-03 Anibas Kevin J. Mechanism for providing motion and force while maintaining parallelism between a base structure and a movable structure
US6491071B1 (en) * 2001-07-27 2002-12-10 James E. Canfield Self-leveling semi-auto-elevating work-piece feed support mechanism for use with a height-adjustable work support in a frame-mounted saw or the like
US6691626B2 (en) * 2002-02-19 2004-02-17 Steve Warner Adjustable table
US6679479B1 (en) 2002-06-27 2004-01-20 Steel Equipment Specialists, Llc Scissor lift mechanism
DE102004027215B4 (de) * 2004-06-03 2007-07-19 Flexlift-Hubgeräte GmbH Hubvorrichtung mit wenigstens zwei aufeinander angeordneten Hubscheren
EP1626028A1 (fr) * 2004-08-11 2006-02-15 Transportes Continuos Interiores S.A. Table élévatrice à ciseaux
US7059616B2 (en) * 2004-08-17 2006-06-13 Super Made Products Co., Ltd. Cutting machine push cart
EP1727951A2 (fr) * 2005-04-04 2006-12-06 Clo Systems, LLC Monture capable de repositionner un appareil par rapport a un plan de reference
US20070023603A1 (en) * 2005-08-01 2007-02-01 Clo Systems, Llc Mounting system capable of adjusting viewing angle of a monitor
US7878470B2 (en) * 2005-11-21 2011-02-01 Clo Systems, Llc Motorized mount system for repositioning a monitor
US20090057514A1 (en) * 2007-09-04 2009-03-05 Oh Sung I Mounting system adapted to extend and retract in a straight line
CN201025460Y (zh) * 2007-03-01 2008-02-20 鸿富锦精密工业（深圳）有限公司 承载装置
JP5057387B2 (ja) * 2008-03-04 2012-10-24 パラマウントベッド株式会社 Ｘリンク式昇降機構
US8272830B2 (en) * 2008-10-07 2012-09-25 Applied Materials, Inc. Scissor lift transfer robot
US9691650B2 (en) * 2009-09-29 2017-06-27 Applied Materials, Inc. Substrate transfer robot with chamber and substrate monitoring capability
US8733508B2 (en) * 2010-04-02 2014-05-27 Herkules Equipment Corporation Scissor lift assembly
CN103118966B (zh) * 2010-07-05 2015-07-08 通力股份公司 补偿装置和电梯
WO2012135078A2 (fr) * 2011-03-25 2012-10-04 Boomerang Systems, Inc. Table élévatrice à ciseaux
DE102011079287A1 (de) * 2011-07-15 2013-01-17 Elena Albrecht Spindelhubtisch
US11353084B2 (en) * 2013-03-15 2022-06-07 Clearmotion Acquisition I Llc Rotary actuator driven vibration isolation
US10730727B2 (en) * 2014-08-07 2020-08-04 Bbm Railway Equipment, Llc Low profile drop table
US10244861B1 (en) 2015-01-24 2019-04-02 Nathan Mark Poniatowski Desktop workspace that adjusts vertically
US9566826B2 (en) 2015-02-27 2017-02-14 Ingersoll-Rand Company Cordless wheel lifts
GB2544271A (en) * 2015-11-06 2017-05-17 Dignity Lc Services Ltd A platform
DE202016107168U1 (de) * 2016-12-20 2018-03-21 Ninkaplast Gmbh Liftbeschlag
US10467932B1 (en) 2017-04-06 2019-11-05 Kooima Company Mobile elevating apparatus
US10991279B1 (en) 2017-04-06 2021-04-27 Kooima Ag, Inc. Mobile elevating apparatus
WO2019119920A1 (fr) * 2017-12-22 2019-06-27 乐歌人体工学科技股份有限公司 Table de travail de levage
CN108464844A (zh) * 2018-03-13 2018-08-31 上海东软医疗科技有限公司 扫描床以及具有该扫描床的医疗影像设备
US10624451B2 (en) * 2018-09-11 2020-04-21 Amor Bhattacharya Therapy desk
US10823329B1 (en) * 2019-05-29 2020-11-03 1514 Tech, Llc Clamp and computing device stand incorporating same

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US2993675A (en) * 1959-04-23 1961-07-25 Marie W Tatter Adjustable seats having lazy tong supports
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US3901356A (en) * 1972-03-15 1975-08-26 Bear Manufacturing Corp Lift mechanism
DE2306478A1 (de) * 1973-02-09 1974-08-15 Grammer Willibald Fa Vorrichtung zum veraendern von hoehenlage und laengsneigung der sitzflaeche von sitzen
US4638610A (en) * 1983-03-03 1987-01-27 Elevator Gmbh Theatrical stage
SE450486B (sv) * 1983-08-29 1987-06-29 Edmo Torbjoern Ab Lyftbordskonstruktion
DE3502641A1 (de) * 1985-01-26 1986-07-31 Mannesmann AG, 4000 Düsseldorf Scherenhubvorrichtung
US4744712A (en) * 1986-05-06 1988-05-17 Ron Mitchell Apparatus and method for an improved wafer handling system for cantilever type diffusion tubes
JPH0611607B2 (ja) * 1990-07-11 1994-02-16 弘一 吉川 重量物の移動装置
DE4106371A1 (de) * 1991-02-28 1992-09-03 Ernst Langewellpott Scherenhubtisch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6742768B2 (en) 2002-03-07 2004-06-01 Transportes Continuos Interiores, S.A. Scissor lifting table
CN111740696A (zh) * 2020-07-03 2020-10-02 吴克郴 一种基于机械传动原理的太阳能板清灰装置

Also Published As

Publication number Publication date
US5694864A (en) 1997-12-09
ES2102258T3 (es) 1997-07-16
DE4336662A1 (de) 1995-05-04
JPH09508882A (ja) 1997-09-09
WO1995011852A1 (fr) 1995-05-04
EP0724540A1 (fr) 1996-08-07
ATE149474T1 (de) 1997-03-15
DE59401988D1 (de) 1997-04-10

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