EP2013134B1 - Table levable, notamment pour petites hauteurs de levage - Google Patents

Table levable, notamment pour petites hauteurs de levage Download PDF

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Publication number
EP2013134B1
EP2013134B1 EP07724451A EP07724451A EP2013134B1 EP 2013134 B1 EP2013134 B1 EP 2013134B1 EP 07724451 A EP07724451 A EP 07724451A EP 07724451 A EP07724451 A EP 07724451A EP 2013134 B1 EP2013134 B1 EP 2013134B1
Authority
EP
European Patent Office
Prior art keywords
lifting
frame
horizontal
rollers
lifting frame
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.)
Not-in-force
Application number
EP07724451A
Other languages
German (de)
English (en)
Other versions
EP2013134B8 (fr
EP2013134A1 (fr
Inventor
Jozef Ezechias
Werner Swoboda
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.)
Eisenmann SE
Original Assignee
Eisenmann SE
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 Eisenmann SE filed Critical Eisenmann SE
Publication of EP2013134A1 publication Critical patent/EP2013134A1/fr
Application granted granted Critical
Publication of EP2013134B1 publication Critical patent/EP2013134B1/fr
Publication of EP2013134B8 publication Critical patent/EP2013134B8/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66F7/0608—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement driven by screw or spindle
    • 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

Definitions

  • the invention relates to a lifting table, in particular for small lifting heights according to the preamble of patent claim 1.
  • lifting tables payloads, which are arranged on the lifting frame, raised precisely.
  • heavy motor vehicle bodies are brought to small heights of preferably 5 to 10 cm in order to free them from a support surface, in particular from a transport device.
  • a lifting table of the type mentioned is from the FR 2 314 133 known.
  • a lifting frame is adjustable by means of power transmission means against a horizontal support in height by the power transmission means are pivotally connected at the upper end to the lifting table and roll at its lower end on inclined relative to the horizontal cam surfaces.
  • Drive means move via a lever linkage the lower rollers; the entire arrangement is symmetrical to a vertical median plane.
  • As drive means hydraulic cylinders are provided.
  • a lifting table similar to that of the type mentioned is in the JP 2001 262992 described.
  • the drive there is also a hydraulic cylinder, with the help of two wedges in opposite directions be moved on a base plate, such that the slopes of the wedges are moved against sliding elements, which rests on joints of the lifting table.
  • the arrangement is also symmetrical about a vertical median plane; lateral guides ensure a purely vertical movement of the lifting table.
  • Object of the present invention is to design a lifting table of the type mentioned, in which a possible constant course of a required driving force over the entire lifting process can be realized.
  • the lifting frame on its underside and / or the base frame at its top in each case two opposite the horizontal inclined surfaces.
  • At least two lifting rollers driven by the drive means are guided to be movable at least in the horizontal direction, such that they roll in the direction of inclination when moving in the horizontal direction from below or from above on the inclined surface, thereby lifting or lowering the lifting frame vertically.
  • the lifting rollers slide as a result of the driving force in their horizontal movement wedge-like below or over the inclined surfaces and push them with a corresponding lifting force vertically upwards, as they are even guided horizontally, or be pushed upwards.
  • the lifting rollers roll with minimal friction losses from below or from above onto the inclined surface.
  • the inclined surface has the advantage that the drive means can be optimally dimensioned. Depending on a ratio, it must be just large enough to provide a vertical lifting force sufficient to lift the payload. About the degree of inclination the surface can be given the translation between the lifting force and the driving force.
  • the power transmission means can be optimized. For example, drive rods can be significantly smaller dimensions.
  • the at least two surfaces are arranged with mutually mirror-symmetrical inclinations each with respect to the horizontal symmetrical to a vertical center plane and two corresponding lifting rollers for vertically moving the lifting frame are movable toward and away from each other.
  • the lifting frame can be raised evenly by the opposing lifting rollers.
  • the surfaces may in this case be inclined toward one another or away from one another.
  • the drive means a spindle with two opposing threads, via which the two lifting rollers can be moved in the horizontal direction towards and away from each other.
  • two opposing lifting rollers can move synchronously and evenly horizontally towards each other or away from each other.
  • guide rollers are rotatably mounted on both sides of axes, which are guided in guide rails of the base frame.
  • On each axis at least one lifting roller is also independent of the guide rollers rotatably mounted.
  • At least two lifting rollers can be arranged on an axle, which can be guided over two guide rollers in two horizontal guide rails. In this way, a secure and stable horizontal guide for the lifting rollers can be realized.
  • two lifting rollers can be arranged on a common axis and with this at least horizontally displaceable and can roll on two corresponding surfaces lying in the same inclined to the horizontal plane or a single contiguous inclined to the horizontal surface.
  • Two such parallel lifting roller surface arrangements have the great advantage that the lifting force acts distributed over the width of the lifting frame.
  • the surface on the lifting frame at least in the area facing the base frame or the surface on the base frame at least in the Just be facing the lifting frame area is then constant over the entire lifting process. It can in particular be inclined at an angle of 30 ° relative to the horizontal, whereby a particularly favorable translation of the driving force to the lifting force is achieved.
  • the inclination of the surface on the lifting frame relative to the horizontal in the direction of the base frame or the inclination of the surface on the base frame relative to the horizontal increase in the direction of the lifting frame.
  • the lifting frame and the base frame can be connected via at least one stabilizing device for laterally stabilizing the lifting frame during lifting.
  • FIG. 1 is an embodiment of a generally provided with the reference numeral 10 lifting table for small lifting heights between 5 cm and 10 cm shown in lowered position.
  • the lift table 10 is shown in the raised position.
  • heavy payloads not shown, in particular motor vehicle bodies with masses of about 1000 kg, can be raised evenly.
  • the lift table 10 includes a horizontally oriented base frame 12, in the FIGS. 1 and 2 below, with which he stands on a not shown surface.
  • the base frame 12 is rectangular in plan view. Its longitudinal sides are formed by two straight parallel guide rails 14 of U-shaped cross section, the open longitudinal sides facing each other. At their transverse sides, the guide rails 14 are also open.
  • the guide rails 14 are connected to each other via two parallel cross struts 16; in the FIGS. 1 and 2 only one of the cross struts 16 is visible at the bottom left.
  • the cross struts 16 are each secured to the ends of the guide rails 14 at the lower longitudinal sides.
  • the lifting table 10 has a parallel to the base frame 12 aligned elongated lifting frame 18 for receiving the payload.
  • the lifting frame 18 is vertically raised or lowered relative to the base frame 12.
  • the lifting frame 18 is viewed from above U-shaped, with its legs define its longitudinal direction. He is to the in FIGS. 1 and 2 open in the background lying transverse side of the base frame 12.
  • the two legs 62 of the lifting frame 18 extend parallel to the guide rails 14 and are each formed by a hollow longitudinal frame part 20 with a rectangular cross-section.
  • the longitudinal frame members 20 are connected at their ends on the closed side of the lifting frame 18 via a transverse bar 22.
  • the transverse strip 22 is fastened on the upper sides of the longitudinal frame parts 20 facing away from the base frame 12 and extends parallel to the transverse struts 16 of the base frame 12.
  • the outer width of the lifting frame 18 in the transverse direction and its outer length in the longitudinal direction are smaller than the corresponding inner width or inner length of the base frame 12, so that the lifting frame 18 is immersed in the lowered position from above into the base frame 12, as shown in FIG FIG. 1 is shown.
  • each longitudinal frame member 20 The two transverse end faces 24 of each longitudinal frame member 20 are compared to its upper longitudinal side, which extends horizontally, inclined by about 30 ° in the direction of the other end face 24, and so with their surfaces facing the base frame 12.
  • the two end faces 24 of a longitudinal frame part 20 are arranged in this way with opposite inclination relative to the horizontal symmetrical to a vertical center plane, not shown, and inclined away from each other, that is, their surfaces facing away from each other outwardly viewed in the longitudinal direction of the lifting table 10 away.
  • the two lying on the same transverse side of the lifting table 10 end faces 24 of the longitudinal frame members 20 are located in a common plane, which is inclined by 30 ° relative to the horizontal.
  • a lifting roller 26 is arranged so that it can roll in the direction of inclination of the end face 24, viewed from above in the longitudinal direction of the lifting frame 18, on this.
  • the two located on the same transverse side of the lifting frame 18 lifting rollers 26 are rotatably mounted on a common axis 28.
  • the distance between the lifting rollers 26 of an axis 28 corresponds to the distance of these corresponding inclined end faces 24.
  • a respective guide roller 32 is rotatably mounted relative to these independently of the lifting rollers 26.
  • Each guide roller 32 is guided in the respectively corresponding horizontal guide rail 14.
  • the diameter of the guide rollers 32 is smaller than the vertical inner height of the guide rails 14.
  • the lifting rollers 26 roll from below in each case on their associated inclined flat end face 24 in the direction of inclination.
  • the lifting rollers 26 slide like a wedge under the inclined end faces 24 and lift in this way with a corresponding vertically directed lifting force the lifting frame 18 evenly at all four corners vertically.
  • the lifting rollers 26 roll on the inclined end faces 24 in the opposite direction of rotation to the guide rollers 32 in the guide rails 14.
  • the translation of the driving force to the lifting force is constant throughout the lifting process.
  • the horizontal one Guide in the guide rail 14 prevents the lifting rollers 26 dodge when rolling on the inclined end faces 24 vertically down instead of pressing the inclined end faces 24 with the lifting force vertically upwards.
  • the drive of the axles 28 takes place via a respective U-shaped pulling device 34.
  • the two pulling devices 34 are essentially identical. They lie in a horizontal plane between the guide rails 14 of the base frame 12. Their closed sides face each other and their open sides of the respective axis 28.
  • the legs of the drawbars 34 are each formed by two tie rods 36, of which in FIG. 1 only the one lying in the background is visible. They run parallel to one another and to the guide rails 14.
  • the free ends of the tie rods 36 each have an eyelet 38. Between the eyelets 38 of the same pulling device 34 extends perpendicular to the tie rods 36, a sleeve 40 which is inserted in each case with one end in one of the eyelets 38. In each sleeve 40, one of the axles 28 rotates freely relative to the sleeve 40.
  • the tie rods 36 and the sleeve 40 are located between the lifting rollers 26 of the corresponding axis 28. The lifting rollers 26 are freely rotatable relative to the sleeve 40.
  • the extension over both drawbars 34 in the longitudinal direction of the base frame 12 is significantly smaller than the length of the lower longitudinal sides of the longitudinal frame members 20 of the lifting frame 18, ie the distance of the edges of the two inclined end faces 24 there.
  • the lifting rollers 26 can thus roll up to the edges of the end faces 24, without the two pulling devices 34 abut each other and hinder each other.
  • the closed sides of the drawbars 34 are each formed by a straight elongated stem nut carrier 42 having a central spindle nut 44.
  • the Spindelmutterisme 42 extend perpendicular to the tie rods 36 in a common horizontal plane with these. They face each other with their spindle nuts 44 coaxial.
  • spindle nuts 44 performs a spindle 46 with an approximately in the middle changing counter-rotating thread, which in the FIGS. 1 and 2 not shown.
  • the spindle 46 By axial rotation of the spindle 46 so the Spindelmutterisme 42 are synchronously toward or away from each other movable. In this case, they exert a corresponding driving force in the horizontal direction on their tie rods 36 and on these on the axes 28 and the lifting rollers 26.
  • the spindle 46 is at one end, in FIGS. 1 and 2 in the background, connected to an electric motor 48 and with this drivable.
  • the electric motor 48 is mounted on a cross member 50 on the base frame 12. It is connected via lines not shown with a control device, also not shown.
  • a guide device 52 for the drawbars 34 is located between the guide rails 14.
  • the guide device 52 comprises two cross members 50 running parallel to the transverse struts 16 - on which in the FIGS. 1 and 2 lying in the background, already mentioned cross member 50 of the electric motor 50 is fixed - which are fixed with their ends to the undersides of the guide rails 14.
  • the longitudinal members 54 extend parallel in the longitudinal direction of the base frame 12 in an area between the tie rods 36 of the drawbars 34th
  • the spindle nut carriers 42 rest on the longitudinal carriers 54. They are displaceable in the longitudinal direction of the base frame 12 relative to the longitudinal members 54. Where they rest on the longitudinal members 54, the Spindelmutter uman 42 on their undersides guide grooves 56 which extend in the longitudinal direction of the longitudinal members 54. The longitudinal members 54 dip into the guide grooves 56 and thus guide the spindle nut carriers 42 in the horizontal longitudinal direction.
  • the lifting frame 18 and the base frame 12 are also connected via two parallel, substantially identical stabilizing shears 58 for laterally stabilizing the lifting frame 18 during lifting and lowering.
  • the stabilizing shears 58 are viewed from the side approximately in the middle of the lifting table 10. They are respectively at the top of the outer, namely the other longitudinal frame part 20 facing away from, vertical longitudinal side of the corresponding longitudinal frame part 20 of the lifting frame 18 attached. Below they are on the lifting frame 18 facing inside, so the other guide rail 14 side facing the corresponding guide rail 14 is arranged. The distance between the longitudinal frame members 20 and the corresponding guide rails 14 is so large that the corresponding stabilizing shears 58 find in the lowered state of the lifting table 10 between the two place.
  • the longitudinal frame members 20 each have at their outer vertical longitudinal sides approximately centrally a rectangular opening 60 for the associated stabilizing shears 58.
  • the dimensions of the openings 60 are at least so great that the stabilizing shears 58 can freely extend or retract when lifting and lowering the lifting table 10.
  • Each stabilizing shears 58 has two legs 62 of equal length, which are pivotally connected centrally relative to one another.
  • One of the legs 62 is pivotally attached at its upper end via a long upper pivot pin 64 to the longitudinal frame part 20 of the lifting table 10.
  • the upper pivot pin 64 leads from the outer vertical longitudinal side through the opening 60 therethrough to the opposite inner vertical longitudinal side where it is fixed.
  • leg 62 With its lower end of the leg 62 is pivotally guided over a lower leg-roller, not shown, in the guide rail 14 and slidable in the longitudinal direction.
  • the diameter of the lower leg roller is smaller than the vertical inner height of the longitudinal guide rail 14 so that it has some play in the vertical direction.
  • the other leg 62 is pivotally guided over an upper leg roller 66 in the interior of the hollow longitudinal member 54 and displaceable in the longitudinal direction.
  • the axis of the upper leg roller 66 extends through the opening 60 therethrough.
  • the diameter of the upper leg roller 66 is smaller than the vertical inner height of the longitudinal frame part 20 so that it has some play in the vertical direction.
  • the lower pivot pin 68 is located in the side view vertically under the upper pivot pin 64th
  • the upper leg rollers 66 When lifting the lifting frame 18, the upper leg rollers 66 each roll in the interior of the side members 54 at the lower interior surface and the lower leg rollers in the guide rail 14 at the upper interior surfaces thereof. When lowering, the upper leg rollers 66 roll up and the lower leg rollers 66 down.
  • the stabilizing shears 58 prevent the lifting frame 18 when moving the lifting rollers 26 this horizontally evades in the longitudinal direction, instead of exclusively in the vertical direction.
  • the electric motor 48 is driven so that it drives the spindle 46 at a constant speed.
  • the spindle 46 screws into the two spindle nuts 44 a.
  • the two pulling devices 34 are pulled towards each other.
  • the motor power required to lift the lifting frame 18 is constant throughout the lifting process. It is about half the required maximum engine power comparable known from the prior art lifting tables with eccentric discs.
  • the invention is not limited to lifting tables 10 for small lifting heights between 5 cm and 10 cm, but can also be realized for lifting heights of more than 10 cm and / or with correspondingly smaller roll diameter less than 5 cm.
  • the lift table 10 can also be designed for payloads of more or less than 1000 kg.
  • the base frame 12 may additionally have on its underside on wheels, so that the lifting table 10 is mobile.
  • a different kind of drive means for example an internal combustion engine, a hydraulic drive or a compressed air drive, may be provided.
  • the drive means may also have at least one flexible traction means, for example a cable, and at least one take-up drum instead of the spindles 46 with spindle nuts 44.
  • lifting rollers 26 may be provided on corresponding inclined surfaces.
  • the end faces 24 may also be inclined in their flat areas by more or less than 30 ° relative to the horizontal. About the inclination angle, the translation of the driving force to the lifting force can be specified.
  • the lifting rollers 26 can also be driven separately, in particular via a respective spindle 46. It is also possible to arrange each lift roller 26 on a separate axle 28.
  • guide rollers 32 instead of the guide rollers 32 in the first embodiment, other types of guide means, such as sliding blocks can be used.
  • the two inclined end faces 24 on the same transverse side of the lifting table 10 may also be continuous.
  • stabilizing shears 58 instead of the stabilizing shears 58, a different type of stabilizing means for the lateral stabilization of the lifting frame 18 during lifting, for example a linear guide, a four-bar linkage or a lever may be provided.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Machine Tool Units (AREA)
  • Types And Forms Of Lifts (AREA)

Abstract

L'invention concerne une table levable (10), notamment pour de petites hauteurs de levage, avec un cadre de base (12), un cadre de levage (18) pour recevoir une charge utile et avec au moins un moyen d'entraînement (48) pour lever et abaisser essentiellement verticalement le cadre de levage (18) par rapport au cadre de base (12). Le cadre de levage (18) présente, sur son côté inférieur et/ou le cadre de base (12) présente, sur son côté supérieur, au moins une surface plane (24) inclinée par rapport à l'horizontale. Au moins un rouleau de levage (26) entraîné avec le moyen d'entraînement (48) est guidé de manière déplaçable au moins dans la direction horizontale de telle sorte qu'il roule dans sa direction d'inclinaison lorsqu'il est déplacé dans la direction horizontale depuis le bas, respectivement depuis le haut sur la surface inclinée (24) et qu'il lève ou abaisse ainsi verticalement le cadre de levage (18).

Claims (5)

  1. Plateforme élévatrice, en particulier pour de petites hauteurs de levage, avec un cadre de base (12), avec un cadre de levage (18) pour recevoir une charge utile, et avec au moins un moyen d'entraînement (48) pour lever et abaisser verticalement le cadre de levage (18) par rapport au cadre de base (12),
    sachant que
    a) le cadre de levage (18), sur son côté inférieur, et/ou le cadre de base (12), sur son côté supérieur, possèdent chacun au moins deux surfaces (24) inclinées par rapport à l'horizontale,
    b) au moins deux rouleaux de levage (26) entraînés par le moyen d'entraînement (48) sont guidés en déplacement au moins en direction horizontale de telle sorte que, lors de leur déplacement en direction horizontale depuis le bas ou respectivement depuis le haut sur la surface inclinée (24), ils roulent dans la direction d'inclinaison de celle-ci et, ce faisant, lèvent ou respectivement abaissent verticalement le cadre de levage (18),
    c) les au moins deux surfaces (24) sont disposées symétriquement par rapport à un plan médian vertical avec des inclinaisons respectives par rapport à l'horizontale mutuellement symétriques, et au moins deux rouleaux de levage correspondants (26) peuvent être rapprochés et éloignés les uns des autres pour le déplacement vertical du cadre de levage (18),
    caractérisée en ce que
    d) le moyen d'entraînement (48) entraîne une broche (46) dotée de deux filetages à pas contraires, au moyen desquels les au moins deux rouleaux de levage (26) peuvent être rapprochés et éloignés les uns des autres en direction horizontale,
    e) des rouleaux de guidage (32) sont fixés à rotation aux deux extrémités d'axes (28) et sont guidés dans des rails de guidage (14) du cadre de base (12),
    f) au moins un rouleau de levage (26) est fixé à rotation indépendamment des rouleaux de guidage (32) sur chaque axe (28).
  2. Plateforme élévatrice selon la revendication 1, caractérisée en ce que les rouleaux de guidage (32) sont guidés dans deux rails de guidage horizontaux (14).
  3. Plateforme élévatrice selon l'une des revendications précédentes, caractérisée en ce que deux rouleaux de levage (26) sont chaque fois disposés sur un axe commun (28) et sont mobiles en translation au moins horizontalement avec celui-ci, et ils roulent sur deux surfaces correspondantes (24), situées dans le même plan incliné par rapport à l'horizontale, ou sur une seule surface continue inclinée par rapport à l'horizontale.
  4. Plateforme élévatrice selon l'une des revendications précédentes, caractérisée en ce que la surface (24) prévue sur le cadre de levage (18) est plane au moins dans la région tournée vers le cadre de base (12), en particulier est inclinée d'un angle de 30° par rapport à l'horizontale.
  5. Plateforme élévatrice selon l'une des revendications précédentes, caractérisée en ce que le cadre de levage (18) et le cadre de base (12) sont reliés par au moins un mécanisme de stabilisation (58) pour la stabilisation latérale du cadre de levage (18) lors du levage.
EP07724451A 2006-05-03 2007-04-23 Table levable, notamment pour petites hauteurs de levage Not-in-force EP2013134B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006020771A DE102006020771B3 (de) 2006-05-03 2006-05-03 Hubtisch insbesondere für kleine Hubhöhen
PCT/EP2007/003519 WO2007124878A1 (fr) 2006-05-03 2007-04-23 Table levable, notamment pour petites hauteurs de levage

Publications (3)

Publication Number Publication Date
EP2013134A1 EP2013134A1 (fr) 2009-01-14
EP2013134B1 true EP2013134B1 (fr) 2012-08-01
EP2013134B8 EP2013134B8 (fr) 2012-09-26

Family

ID=38169306

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07724451A Not-in-force EP2013134B8 (fr) 2006-05-03 2007-04-23 Table levable, notamment pour petites hauteurs de levage

Country Status (4)

Country Link
EP (1) EP2013134B8 (fr)
CN (1) CN101432217B (fr)
DE (1) DE102006020771B3 (fr)
WO (1) WO2007124878A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101885121B (zh) * 2010-06-10 2012-06-06 无锡华联科技集团有限公司 钢板输送升降辊机构
DE102012018809B4 (de) * 2012-09-24 2018-03-29 Sopap Automation Sas Motorisch in vertikaler Richtung höhenverstellbarer Hubtisch zur Verwendung im Karosseriebau der Kfz-Industrie
FR3064618A1 (fr) * 2017-03-31 2018-10-05 Florian Bourdeau Dispositif reglable en hauteur permettant de supporter les roues de motocycles
CN114983798A (zh) * 2022-06-09 2022-09-02 赵书朝 一种妇产科护理药熏装置

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
US3048366A (en) * 1958-09-29 1962-08-07 Clark Equipment Co Lift linkage for low platform hand trucks
DE1175852B (de) * 1963-03-05 1964-08-13 Geilinger & Co Hebebuehne
FR2314133A1 (fr) 1975-06-11 1977-01-07 Mactaggart Scott Appareil de levage
US4585212A (en) * 1984-12-07 1986-04-29 International Business Machines Corporation Lift device of the scissor-jack type
ATE44715T1 (de) * 1985-04-16 1989-08-15 Hymo Ab Hydraulische hebebuehne.
DE3639651A1 (de) * 1986-11-20 1988-06-01 Weckenmann Maschinen Und Stahl An einen kran anhaengbare abhebe-einrichtung fuer grossflaechige werkstuecke
US5294179A (en) * 1992-05-11 1994-03-15 Hand Machine Company, Inc. Retrofittable chair lifting and tilting device
US5294379A (en) 1992-09-18 1994-03-15 Johnson & Johnson Vision Products, Inc. Laser assisted demolding of ophthalmic lenses
JP4315564B2 (ja) 2000-03-15 2009-08-19 前田建設工業株式会社 物体昇降装置及びこれを用いたセグメント供給装置
FR2837193A1 (fr) * 2002-03-12 2003-09-19 Transportes Continuos Interior Table elevatrice a ciseaux
CN1282596C (zh) * 2004-07-23 2006-11-01 浙江大学 车辆检测系统举升装置

Also Published As

Publication number Publication date
EP2013134B8 (fr) 2012-09-26
CN101432217B (zh) 2013-06-19
EP2013134A1 (fr) 2009-01-14
WO2007124878A1 (fr) 2007-11-08
DE102006020771B3 (de) 2008-01-10
CN101432217A (zh) 2009-05-13

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