EP1699728B1 - Plate-forme elevatrice a ciseaux - Google Patents

Plate-forme elevatrice a ciseaux Download PDF

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Publication number
EP1699728B1
EP1699728B1 EP04804070A EP04804070A EP1699728B1 EP 1699728 B1 EP1699728 B1 EP 1699728B1 EP 04804070 A EP04804070 A EP 04804070A EP 04804070 A EP04804070 A EP 04804070A EP 1699728 B1 EP1699728 B1 EP 1699728B1
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EP
European Patent Office
Prior art keywords
scissors
traction
unit
traction means
elevating platform
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.)
Active
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EP04804070A
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German (de)
English (en)
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EP1699728A1 (fr
Inventor
Klaus Pfleghaar
Gerold Heckert
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.)
Heckert Engineering AG
Pfleghaar Klaus
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Heckert Engineering AG
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Publication date
Application filed by Heckert Engineering AG filed Critical Heckert Engineering AG
Publication of EP1699728A1 publication Critical patent/EP1699728A1/fr
Application granted granted Critical
Publication of EP1699728B1 publication Critical patent/EP1699728B1/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
    • 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 scissor lift with two parallel spaced and between a base unit on the one hand and a up and down to be moved support unit on the other hand arranged scissors, each having two about a scissor axis relative to each other pivotable scissor legs, and with a lifting device, the at least one between the Scissor legs for lifting and lowering the support unit movable back and forth, via a wound on a motor-driven winding roller Wegffenanssen with at least two flat parallel spaced drawstrings coupled to the winding roller spreader, wherein the width of the drawstrings is dimensioned so that when lifting the support unit a respective layered development of the same on the winding roller is ensured, and wherein in each case on at least one of the spreading unit with respect to the pivot axis facing shear leg portion of the mutual scissors a Sp Drosseve cooperating with the spreading unit for influencing the drive torque generated by a drive motor, which is arranged in the Switzerlandstoffanssen tensile forces and / or
  • Such a scissor lift is in the DE 100 01 910 A1 indicated, which corresponds to the preamble of independent claim 1.
  • a scissor lift a scissors arrangement with two parallel spaced scissors is arranged between a base unit and a movable up and down support device for loads to be picked up.
  • the scissors legs of each pair of scissors are spread by means of a lifting device by a lifting carriage is pulled by a traction means and a drive connected thereto for lifting the support device to the scissors axis between the two scissor legs of a respective pair of scissors.
  • a lifting cam is arranged, on which the lifting carriage rolls, so that the stroke movement can be influenced by the contour of the lifting curve.
  • the lifting device also has a plurality of flat drawstrings. These are designed as flat toothed belts and guided around a drive shaft, over which they are moved.
  • the drawstrings have a lower drum and an upper drum, on which the lifting carriage rolling between the legs of the scissors is mounted.
  • the invention has the object of providing a scissor lift of the type mentioned in such a way that the lifting movement is further improved.
  • a spreading curve can be arranged on the two spreading legs, can be co-determined by the contour of the movement of the spreader or the hub.
  • a further advantageous embodiment of the stroke control is that at the same time the lifting speed is kept constant at least in a central portion of the stroke, which is greater than the sum of an initial and end portion of the stroke.
  • the scissor lift can be designed according to respective conditions of use, for example, depending on lifting loads. Or, for example, drive motors and gearboxes of higher or lower power as well as other drive elements of higher or lower stability can be used, depending on the selected changing length of the drawbars.
  • a good torque and speed constancy is obtained by the fact that the winding radius, which is increased by the winding, and the curvature of the expansion curve are matched to one another such that a stroke ratio defined by the ratio of belt length to stroke remains the same during the lifting movement.
  • the substantially constant stroke ratio results in the beginning, ie in a relatively uncritical stroke phase, with a small winding diameter a relatively high tensile load in the band, but decreases with increasing stroke and reaches its lowest value in the high position when the winding diameter is greatest , In this design variant, the safety of the system against tensile element breakage is additionally increased.
  • the Switzerlandstoffan Aunt has at least one drawstring embedded in plastic or rubber material steel cables.
  • at least two, for example, three or four flat drawstrings are provided so that an emergency can be maintained even if one of the drawstrings tears. In any case, jerky movements of the support unit or lifting platform are reliably prevented.
  • the drive device is stationary with respect to the base unit, the support unit or two parallel scissor legs and has a arranged with its axis parallel to the scissors axis winding drum.
  • the traction means arrangement is guided around a deflection axis which connects the lower end sections of the one scissor leg which are movable along the base unit and / or is guided around a deflection axis which connects the upper end sections of the other scissor legs which are movable along the carrying unit, during the Lifting movement causes this in an initial, relatively flat position of the scissor legs, in particular by means of the spreader unit, while gradually lifting the lifting movement is increasingly effected by the train at the or the movable ends of the respective scissor legs with the traction means when lifting.
  • a further advantageous embodiment of the lifting table is that the base unit is integrated in a vehicle body and that the drive device is coupled via a drive shaft with the vehicle's own drive or having a separate drive.
  • a favorable embodiment of the invention for the lowest possible torque and, associated therewith, a small gear size and cost advantages is that the Buchstoffan extract both about a deflecting in the region of a movable storage respective lower end portions of the scissor legs as well as to another deflecting element in the region of a movable storage upper end portions of the scissor legs is guided.
  • the Buchstoffan extract both about a deflecting in the region of a movable storage respective lower end portions of the scissor legs as well as to another deflecting element in the region of a movable storage upper end portions of the scissor legs is guided.
  • relatively flat lifting curves which are favorable for a low overall height.
  • the contour of the spreading curves can be designed so that the lifting speed remains constant over the entire stroke or has certain desired properties, e.g. an acceleration section in the lower stroke range.
  • each embodiment of the scissor lift table comprises a scissors arrangement of scissor-type axes 9 intersecting, mutually pivotable, scissor legs 1, 2, which with their lower end portions on a base unit 20, eg a floor frame or vehicle base frame , and are mounted with their upper end portions on a support unit 10, wherein the one scissor leg 1 with its upper end portion fixed to the support unit 10 and with its lower end portion horizontally movable on the base unit 20 and the other scissor leg 2 with its upper end portion on the support unit 10 horizontally displaceable and are mounted fixed to the base unit 20 with its lower end portion and wherein in each bearing point a pivoting movement is made possible.
  • Each lifting table has two such shears spaced apart parallel to each other, wherein between the scissor legs 1, 2 of the scissors for lifting the support unit 10 with optionally arranged thereon load a spreading unit, for example, a spreading 4 is arranged, via a Switzerlandstoffan Aunt 5 for generating the lifting movement a drive device 8 is coupled.
  • the traction means 5 preferably consists of several, for example two, three, four or five flat, belt-like traction means having a plurality of embedded in plastic or rubber steel cables and are sufficiently flexible and high Can transfer tensile loads.
  • the parallel arrangement of several such traction means increases the safety of the entire lifting system. Conceivable, but less favorable are also enough flexible tension cables or articulated tension elements, such as chains.
  • the Switzerlandstoffan extract 5 is on the one hand connected to a driven by a drive motor 8.2 winding drum or winding roller 8.1 and on the other hand connected to a Switzerlandstoffhalterung 7, where it is placed around the Sp Schwarzwagen 4 and deflected at this, that this in the manner of a loose role between the respective scissor legs 1, 2 is guided.
  • a drive motor 8.2 winding drum or winding roller 8.1 and on the other hand connected to a Switzerlandstoffhalterung 7, where it is placed around the Sp Schwarzwagen 4 and deflected at this, that this in the manner of a loose role between the respective scissor legs 1, 2 is guided.
  • Between the spreader 4 associated sections of the scissor legs 1, 2 are each mounted on the scissor legs 1, 2 Sp Drhaven 3 arranged on the curve contour of the spreader 4 rolls by means of one or more rollers on both sides.
  • the Switzerland Bachstoffhalterung 7 on the one hand and the winding drum 8.1 of the drive device 8 on the other hand can be arranged differently with respect to the scissor lift, as the panels a) to f) show by way of example, with one or more arranged with their axes of rotation parallel to the scissors axis 9 deflection 6 for the Switzerlandstoffanssen. 5 can be provided.
  • the drive motor 8.2 can be arranged outside, for example, next to a base frame or relevant guide element of the base unit 20 and have one or two geared motors for directly driving the winding drum. Also conceivable is an arrangement of the drive motor 8.2 within the frame of the base unit 20.
  • the traction mechanism arrangement has one or more belt-shaped traction means or tension straps, these are wound on top of each other during lifting, wherein the winding radius per revolution of the winding drum 8.1 is increased by the thickness of the traction means, so that an unambiguous control of the lifting movement is achieved.
  • the stroke movement is additionally influenced by the contours of the spreading curves, which can be calculated depending on the desired properties of the lifting system or can also be predetermined by simple geometric contours, for example curves with constant radii.
  • the control or regulation of the at least one drive motor 8.2 is effected by means of a predefined in a motor control device or predetermined curve of the torque or the tensile force in the traction mechanism 5 and can be programmed.
  • Fig. 1b is the Switzerlandstoffhalterung 7 with respect to part of a) arranged on the remote from the spreading 4 upper sections of the two parallel scissor legs 1.
  • the stationary arranged Switzerlandstoffhalterung 7 is thereby rotatably mounted according to the changing angle of Switzerlandstoffanaku 5.
  • the Switzerlandstoffan extract 5 is compared to the embodiment according to drawing b) further guided by a deflecting 6 ', which is arranged in the upper sliding bearing of the parallel scissor legs 1, and along the support unit 10 in the direction of the upper end portion the other scissor leg 2 out and fixed to the support unit 10.
  • a deflecting 6 ' which is arranged in the upper sliding bearing of the parallel scissor legs 1, and along the support unit 10 in the direction of the upper end portion the other scissor leg 2 out and fixed to the support unit 10.
  • the Switzerlandstoffhalterung 7 is fixed to the base unit 20 in the region of the lower, non-displaceable bearing point of the scissor leg 1 and the Werbachan extract 5 arranged around a deflecting element 6 at the displaceable bearing point of the other scissor leg 2 in the base unit, while the Winding drum 8.1 is arranged in the scissors axis 9.
  • the expansion carriage 4 is mounted with respect to the winding drum 8 on the opposite side of the scissors axis 9 at the spread curves formed there 3 and guided by the winding drum 8.1 to the Sp Schwarzwagen 4 Anlagenstoffan extract 5 to the Switzerlandstoffhalterung 7, which is attached to the expansion of the 4 with respect to the scissors axis 9 opposite upper portion of the scissor leg 2.
  • the lifting movement is generated only by the expansion carriage 4.
  • Fig. 2 shows an embodiment of a connection of three or four drawstrings on the Glasstoffhalterung 7, for example, between the two parallel spaced scissor legs 1 or on the support unit 10 fixed and, for example rotatably arranged.
  • the traction device holder 7 can each have a fastening unit 7.1 with one or more clamping elements 7.2 and monitoring means 7.3. With the clamping elements 7.2, the drawstrings can be adjusted to the same tension. With the monitoring means 7.3
  • Ceielementauerwachung can be determined whether a traction means is torn or torn.
  • About the Switzerlandstofftechnikwachung a corresponding message for the user, eg display, generated and, if desired, a shutdown of the drive motor can be made. Also can Diagnostic measures are taken and errors with appropriate additional information, such as date and time or appropriate operating parameters are stored.
  • the Switzerlandstoffhalterung 7 is formed as follows: The respective end of the tape is clamped on a respectively associated short drum section, for which advantageously one of the circular in cross-section drum section is used and used as a clamping piece which is tightened with screws on the applied to the drum section end of the respective drawstring.
  • the clamped end of the tape is then, for example, two to two and a half times wound around the drum portion, before it for the first deflection (on the spreading carriage 4 or at the end portion of the scissor legs) is performed. If the belt is loaded, it pulls itself by friction so firmly that the nip is almost completely relieved. It is thereby achieved that the strength of the traction device holder 7 is at least as great as the tensile strength of the tension band.
  • the drum sections can be stored separately from each other on respective holding elements or arranged on a continuous support member. In a similar manner, the determination of the associated with the winding drum 8.1 end portions of the drawstrings takes place. Since the band is always tangentially independent of the stroke position with respect to the drum sections of the Buchstoffhalterung 7, can be dispensed with a rotatable training at this point.
  • the lifting system can be designed suitable for a particular application.
  • the load on the traction means, as well as the torque on the winding drum 8.1 or the working shaft of the drive device 8 depend on the selected deflection system with the deflecting elements 6 and the interpretation of Sp Drrosvenkontur.
  • a design is advantageous the lifting system with a uniform utilization of the essential components of the lifting system.
  • the Sp Drrosvenkontur in coordination with the control of the drive motor for example, be designed so that the load of the traction means or Werstoffanssen 5 remains constant over the entire stroke or so that the torque applied to the winding drum 8.1 over at least the predominant average Abschntit the stroke remains constant.
  • a reduced torque can be provided in order to achieve a smooth start or run-out of the lifting movement.
  • the drive torque and / or the tensile forces in the Switzerlandstoffanssen can also be designed according to suitable, stored in the control device of the motor drive or predeterminable therein predetermined functions gradients, the Sp Dahlkurve 3 and the winding radius are taken into account.
  • the changing during the lifting movement tape length of the drawstrings can be tailored to the respective requirements, based on a given stroke longer changing tape lengths when winding (or unwinding) lower tensile forces in the bands and a require less applied to the winding roller 8.1 torque and vice versa.
  • a higher speed of the winding roller 8.1 must be specified for the same lifting speed than shorter shorter changing tape lengths.
  • the winding radius changes according to different speeds at different changing tape lengths, after which the spreading curves and / or the torque curve and / or course of the tensile forces are tuned in the drawstrings.
  • the described lift table is not only suitable for arrangement on a stationary ground, but can also be advantageously integrated into a vehicle body in order to obtain a mobile lifting device.
  • the drive device can be coupled via a drive shaft with the vehicle's own drive or have a separate drive.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Braking Arrangements (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)
  • Transmission Devices (AREA)

Claims (12)

  1. Table élévatrice à ciseaux comportant deux ciseaux parallèles à distance l'un de l'autre et disposés entre une unité de base (20) d'une part et une unité porteuse (10) à lever et à abaisser d'autre part et munis chacun de deux bras de ciseaux (1, 2) qui peuvent pivoter l'un par rapport à l'autre autour d'un axe de ciseaux (9) et comportant un dispositif élévateur équipé d'au moins une unité d'écartement (4) qui peut exécuter un va et vient entre les bras de ciseaux (1, 2) pour soulever et abaisser l'unité porteuse et qui est couplée à un cylindre d'enroulement (8.1) grâce à un système de traction (5), lequel peut être enroulé sur le cylindre d'enroulement (8.1) entraîné par moteur et comporte au moins deux bandes de traction plates parallèles et à distance l'une de l'autre, les bandes de traction ayant une largeur telle que, quand l'unité porteuse (10) est soulevée, chacune s'enroule sur elle même sur le cylindre d'enroulement et une came d'écartement (3), coopérant avec l'unité d'écartement (4) et destinée à agir sur le couple d'entraînement produit par un moteur d'entraînement (8.2), sur les forces de traction qui agissent dans le système de moyen de traction (5) et/ou sur la variation de vitesse du mouvement élévateur, étant placée respectivement sur au moins un segment de bras - des ciseaux disposés de chaque côté - orienté vers l'unité d'écartement (4) par rapport à l'axe de pivotement (9),
    caractérisée en ce que l'unité d'écartement (4) est couplée de manière lâche avec le système de moyen de traction (5) et une extrémité - éloignée du cylindre d'enroulement (8.1.) - du système de moyen de traction (5) est reliée à la table élévatrice ou à un dispositif élévateur distinct à l'aide d'un support de moyen de traction (7) à l'extérieur de l'unité d'écartement (4)
    et que, en tenant compte du rayon d'enroulement - qui change sur la course d' élévation - des bandes de traction sur le cylindre d'entraînement (8.1), la commande de l'au moins un moteur d'entraînement (8.2) et la came d'écartement sont adaptés l'un à l'autre de telle manière que sur la course d'élévation une variation prédéfinie du couple de rotation de l'au moins un moteur d'entraînement (8.2) ou une variation prédéfinie des forces de traction dans le système de traction (5), est reproduite en commandant ou en réglant l'au moins un moteur d'entraînement.
  2. Table élévatrice à ciseaux selon la revendication 1, caractérisée en ce que la variation du couple de rotation ou la variation des forces de traction est prédéfinie dans le système de traction (5) de telle manière que la variation est maintenue constante au moins dans un segment central de la course d'élévation, qui est plus grand que la somme d'un segment initial et final de la course d'élévation.
  3. Table élévatrice à ciseaux selon la revendication 1 ou 2, caractérisée en ce que la vitesse d'élévation est en même temps maintenue constante au moins dans un segment central de la course d'élévation, qui est plus grand que à la somme d'un segment initial et final de la course d'élévation.
  4. Table élévatrice à ciseaux selon l'une des revendications précédentes, caractérisée en ce que, pour calculer les forces de traction dans le système de traction et/ou le couple de rotation que doit appliquer l'au moins un moteur d'entraînement (8.2), la longueur de bande qui change pendant le mouvement d'élévation est adaptée aux forces de traction et/ou au couple de rotation à appliquer et
    que, lors de la commande ou du réglage, le rayon d'enroulement, qui dépend de la longueur variable de bande, est pris en compte dans le dispositif de commande.
  5. Table élévatrice à ciseaux selon l'une des revendications précédentes, caractérisée en ce que le rayon d'enroulement, qui augmente du fait de l'enroulement et la courbure de la came d'écartement (3) sont adaptés l'un à l'autre de telle manière qu'un certain rapport d'élévation, défini par le rapport de la longueur de bande à la course d'élévation, reste constant lors du mouvement d'élévation.
  6. Table élévatrice à ciseaux selon l'une des revendications précédentes, caractérisée en ce que les bandes de traction comportent des câbles en acier enrobés dans une matière plastique ou dans du caoutchouc.
  7. Table élévatrice à ciseaux selon l'une des revendications précédentes, caractérisée en ce que les bandes de traction parallèles du système de traction (5) sont reliées au support de moyen de traction (7.3.) par des moyens de tension (7.1, 7.2) associés de manière correspondante et
    que, pour chaque moyen de traction, il existe un contrôle distinct des moyens de traction destiné à détecter des dommages.
  8. Table élévatrice à ciseaux selon l'une des revendications précédentes, caractérisée en ce que le dispositif d'entraînement (8) est fixe par rapport à l'unité de base, à l'unité porteuse ou à deux bras de ciseaux (1 ou 2) parallèles et comporte un tambour d'enroulement (8.1), dont l'axe est parallèle à l'axe de ciseaux (9).
  9. Table élévatrice à ciseaux selon l'une des revendications précédentes, caractérisée en ce que le support de traction (7) est fixe par rapport à l'unité de base, à l'unité porteuse ou à deux bras de ciseaux (1 ou 2) parallèles.
  10. Table élévatrice à ciseaux selon l'une des revendications précédentes, caractérisée en ce que le système de traction (5) est guidé autour d'un axe de déviation, qui relie les segments finaux inférieurs - mobiles le long de l'unité de base (20) - de l'un des bras de ciseaux (2) et/ou est guidé autour d'un axe de déviation, qui relie les segments finaux supérieurs - mobiles le long de l'unité porteuse - de l'autre bras de ciseaux (2).
  11. Table élévatrice à ciseaux selon l'une des revendications précédentes, caractérisée en ce que l'unité de base (20) est intégrée dans une structure de véhicule et
    que le dispositif d'entraînement (8) est couplé à l'entraînement propre au véhicule par un arbre d'entraînement ou comporte un entraînement distinct.
  12. Table élévatrice à ciseaux selon l'une des revendications précédentes, caractérisée en ce que le système de traction (5) passe sur un élément de renvoi (6) dans la zone d'un logement mobile des segments finaux inférieurs concernés des bras de ciseaux (2) aussi bien que sur un autre élément de renvoi (6') dans la zone d'un logement mobile des segments finaux supérieurs concernés des bras de ciseaux (1).
EP04804070A 2003-12-18 2004-12-20 Plate-forme elevatrice a ciseaux Active EP1699728B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10359490A DE10359490A1 (de) 2003-12-18 2003-12-18 Scherenhubtisch
PCT/EP2004/014470 WO2005058742A1 (fr) 2003-12-18 2004-12-20 Plate-forme elevatrice a ciseaux

Publications (2)

Publication Number Publication Date
EP1699728A1 EP1699728A1 (fr) 2006-09-13
EP1699728B1 true EP1699728B1 (fr) 2008-02-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04804070A Active EP1699728B1 (fr) 2003-12-18 2004-12-20 Plate-forme elevatrice a ciseaux

Country Status (6)

Country Link
US (1) US20070017748A1 (fr)
EP (1) EP1699728B1 (fr)
KR (1) KR20060126721A (fr)
AT (1) ATE387401T1 (fr)
DE (2) DE10359490A1 (fr)
WO (1) WO2005058742A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017001721U1 (de) 2017-03-31 2017-05-02 Klaus Pfleghaar Absturzsicherung für Scherenhubtische

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US8469152B2 (en) * 2007-09-25 2013-06-25 Hunter Engineering Company Methods and systems for multi-capacity vehicle lift system
WO2012135078A2 (fr) * 2011-03-25 2012-10-04 Boomerang Systems, Inc. Table élévatrice à ciseaux
US10173574B2 (en) * 2014-12-09 2019-01-08 Kenneth Ochenkowski Motorcycle lift
US9707880B2 (en) * 2014-12-09 2017-07-18 Kenneth Ochenkowski Motorcycle lift
US11383211B2 (en) * 2019-04-29 2022-07-12 Tokyo Electron Limited Point-of-use dynamic concentration delivery system with high flow and high uniformity
EP3922592A1 (fr) * 2020-06-10 2021-12-15 Grundei Hebetische Verladetechnik GmbH Table élévatrice à ciseaux
EP4029624A1 (fr) 2021-01-18 2022-07-20 voestalpine Automotive Components Dettingen GmbH & Co. KG Presse
DE102021209083B4 (de) * 2021-08-18 2023-06-07 Siemens Healthcare Gmbh Patientenlagerungstisch
USD1007804S1 (en) 2023-05-15 2023-12-12 Bean's Best, LLC Heavy-duty scissor jack

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SE311989B (fr) * 1967-11-21 1969-06-30 G Wiklund
US3785462A (en) * 1972-06-23 1974-01-15 Applied Radiation Corp Scissor lift and drive mechanism therefor
US4123039A (en) * 1975-07-03 1978-10-31 American Sterilizer Company Raise-lower device
DE19921435A1 (de) * 1999-05-08 2000-11-16 Heckert Gmbh Scherenhubtisch
DE10001910B4 (de) * 1999-06-19 2007-12-27 Geisler Gmbh & Co. Kg Scherenhubtisch
DE10047582B4 (de) * 2000-09-22 2005-06-23 Penzek, Eckhardt, Dipl.-Ing. Scherenhubtisch
US6516478B2 (en) * 2001-05-31 2003-02-11 Health & Technology, Inc. Adjustable height bed
FR2837193A1 (fr) * 2002-03-12 2003-09-19 Transportes Continuos Interior Table elevatrice a ciseaux

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017001721U1 (de) 2017-03-31 2017-05-02 Klaus Pfleghaar Absturzsicherung für Scherenhubtische

Also Published As

Publication number Publication date
WO2005058742A1 (fr) 2005-06-30
DE10359490A1 (de) 2005-07-14
KR20060126721A (ko) 2006-12-08
EP1699728A1 (fr) 2006-09-13
DE502004006359D1 (de) 2008-04-10
ATE387401T1 (de) 2008-03-15
US20070017748A1 (en) 2007-01-25

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