EP2664577A1 - Lifting table with belt drive - Google Patents
Lifting table with belt drive Download PDFInfo
- Publication number
- EP2664577A1 EP2664577A1 EP13167740.3A EP13167740A EP2664577A1 EP 2664577 A1 EP2664577 A1 EP 2664577A1 EP 13167740 A EP13167740 A EP 13167740A EP 2664577 A1 EP2664577 A1 EP 2664577A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- scissor
- scissor member
- bearing
- lifting table
- pivot lever
- 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.)
- Withdrawn
Links
Images
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
Definitions
- the invention relates to a scissor lift with at least one pair hinged scissor links, which has as a drive a tension element, in particular a belt or a chain and therefore can also be referred to as Riemenhubtisch.
- a pair of scissor members has a first scissor member and a second scissor member which are pivotally hinged together in a common scissors axis.
- the scissor members are preferably rotatably supported in each case at their first end, in particular in a fixed bearing, and each longitudinally displaceably guided at its opposite second end, so that when the scissors axis is arranged at the same distance from the first end of each scissor member, with the same length scissor members each a first end of the one scissor member and a second end of the other scissor member are arranged in spaced, parallel planes, and may be arranged on a base plate and a plate which are movable in parallel.
- one of the scissor members may be fixedly rotatably mounted at both ends and the other of the scissor members may be mounted so as to be longitudinally displaceable at both ends, so that the plates between which the scissor members are arranged are pivoted in parallel.
- one of the scissor members is stationary with its first end on the base plate and the other of the scissor members stationary with its first end mounted on the plate, while the respective second ends of the scissor members are mounted longitudinally displaceable against the plate or the base plate.
- the object of the invention is to provide an alternative lifting table.
- a preferred object is to provide a scissor lift, which allows fast Parallelverschwenkung two plates.
- the lifting table according to the invention is particularly characterized in that it comprises a first pivot lever which is mounted in a stationary pivot bearing on the first scissor member, and displaceable at a distance from the stationary pivot bearing, for example by means of a from the first stationary pivot bearing spaced sliding bearing is mounted against the second scissor member, wherein the first pivot lever is loaded with a tension member in the direction of the pivot axis.
- the stationary pivot bearing and the sliding bearing are spaced apart on the first pivot lever.
- the slidable bearing is preferably an impeller spaced from the stationary bearing and disposed against the second scissor member, in particular loaded against a surface of the second scissor member facing the portion of the first scissor member in which the stationary pivot bearing is disposed.
- the tension member is wound up or unwound from a winding roll, which is preferably motor driven.
- the winding roll may be arranged on a portion of the first or second scissor member, which is opposite to the portion of the scissor member, on which the stationary pivot bearing or the sliding bearing of a pivot lever, in particular its impeller, is arranged.
- the motorized winding roll may be mounted on the base plate or on the plate.
- a displaceable bearing is formed by a guideway arranged on the shearing member and a roller mounted on the pivot lever, which runs against the guideway.
- the guideway is, for example, a guide rail connected to the scissor link.
- the guideway may be mounted in a straight line or in a curve and optionally in sections parallel to the scissor member and / or in sections at an angle to the scissor member on this.
- the lifting table on two parallel pairs of scissor members on the second scissor member each having a guide rail is mounted against each of which a first pivot lever is slidably mounted, wherein preferably the guideways are parallel and are connected to a holding element, which extends between the parallel pivoting levers extends.
- a holding element For example, it may be a plate to which two parallel tracks and parallel sections of the pivot levers are attached.
- the pivot lever and its loading and pivoting between two sections of mutually hinged scissor members by means of a tension member, which is in particular a belt or a chain, allows rapid parallel movement of the elements or plates against each other, between which the pair of scissor members is arranged.
- the tension member may be attached to the first pivot lever, in particular in the region of the impeller of the first pivot lever, or in a projection of the first pivot lever, the pivot lever, e.g. its impeller, surmounted by its pivot bearing or by its slidable bearing.
- the tension element may be attached to a scissor member, in particular in the scissors axis, and guided around a roller for the tension element, which is mounted on the first pivot lever, in particular on a common axis with the impeller of the first pivot lever, which forms its displaceable bearing, or to a roller which is arranged between the stationary bearing and sliding bearing on the pivot lever or which is arranged on a projection of the first pivot lever, which extends from the fixed pivot bearing remote from the end of the first pivot lever.
- the first pivot lever is mounted by means of its stationary pivot bearing on a first portion of a first scissor member, wherein the scissor axis spaced from the first end of the first portion of this scissor member is mounted on a plate movable relative to the base plate.
- the displaceable bearing of the first pivot lever is in particular formed by an impeller which is arranged against the first section of a second scissor member, wherein the first end of the first section of the second scissor member spaced from the scissors axis is arranged on the base plate.
- the stationary pivot bearing and the sliding bearing, such as the impeller, the first pivot lever are arranged on the superposed first portions of the first and second scissor member.
- the slidable bearing may include a track on the first portion of the second pivot lever that may be convex or concave in a plane or arcuate with respect to the stationary bearing of the pivot lever.
- the guideway is at least in a first section arranged at a first angle to the scissor member and in a second portion at a second angle or parallel to the scissor member.
- the first portion of the guideway may be located a smaller distance from the scissors axis than its second portion.
- the first portion is arranged at a greater distance from the scissors axis than the second portion of the guideway.
- the vertex of the first angle is arranged with respect to the scissors axis and the first angle is acute with respect to the scissor member, so that the leg of the first angle opposite the impeller is parallel to the scissor member.
- first end of the first scissor member and the first end of the second scissor member may be mounted in a fixed pivot bearing, and the second ends of the scissor members opposite the first ends may be longitudinally displaceable, in particular with one end on a base plate and with the other end a parallel plate between which first and second scissor members are arranged.
- first and second ends of one of the scissors members may be pivotally mounted in place, while the first and second ends of the other scissors member are each longitudinally and pivotally mounted.
- each pivot lever can act between two scissor members by being disposed parallel to the plane in which the scissor members extend.
- the fixed bearing may be disposed on a support which is fixed to a first portion of a first scissor member, preferably at first portions of two spaced parallel first scissor members of two parallel pairs of scissor members, the sliding bearing preferably having a guideway, the a holding element is fixed, which is fixed to a first portion of the second scissor member, preferably at first portions of two spaced parallel second scissor members of the parallel pair of scissor members is fixed.
- first and second scissor members may be part of a scissor lattice having a plurality of pairs of scissor members hinged together, e.g. at their ends.
- the lifting table may comprise a second pivoting lever which is connected to a second stationary pivoting bearing on a second section of a Scissor member and with a second displaceable bearing, which is for example formed by an impeller which is guided against a guide track, which is arranged on a second portion of the other scissor member, wherein the second pivot lever is loaded by the tension member against the pivot axis.
- the second fixed bearing may be disposed on the second portion of the second scissor member with respect to the first portion thereof, while the second displaceable bearing of the second pivot lever is disposed against the second portion of the first scissor member which lies opposite the first portion thereof.
- the second stationary bearing may be disposed on the second portion of the first scissor member, and the second displaceable bearing of the second pivot lever may be disposed against the second portion of the second scissor member.
- the bearings of the second pivot lever to the scissors axis are arranged symmetrically to the bearings of the first pivot lever, in particular with the same distance of the stationary pivot bearing to the sliding bearing and the same distance of the stationary pivot bearing to the scissors axis.
- the stationary pivot bearing of the first and second pivot lever and the sliding bearings can be arranged point-symmetrical to the scissors axis or mirror-symmetrical to a plane which is arranged by the scissors axis.
- the second pivot lever and its stationary and displaceable bearing can be designed as the first pivot lever and its stationary or movable bearing.
- the tension element can also be guided around a roller which is arranged between the stationary pivot bearing and the displaceable bearing which is arranged on a common axis with the displaceable bearing, preferably of an impeller running against a guide track is formed, or at an approach of the second pivot lever, which projects beyond the second pivot lever with respect to its displaceable bearing relative to the stationary bearing.
- first and second pivot levers and their stationary bearings and displaceable bearings are arranged symmetrically to the pivot axis of the scissor members, between which act the pivot lever.
- the guideways and the rollers running against it of the sliding bearing are preferably arranged symmetrically to the pivot axis of the scissor members.
- the rollers about which the tension member is guided and which are supported on the first and second pivot levers respectively have the same distance with respect to the stationary bearing of the pivot lever on which they are arranged.
- the pulling element may be fastened to a fixed bearing of a pivoting lever and guided around a roller which is mounted on a common axis with the running wheel, which forms the displaceable bearing of the other pivoting lever, and guided around a roller of the pivoting lever to whose fixed bearing it is attached.
- the tension element is attached to the portion of a scissor member, on which the stationary pivot bearing of the first pivot lever is arranged, and is performed on the way to the winding roll first by a roller mounted on the second pivot and then to a mounted on the first pivot lever roller ,
- the tension member is fixed in the portion of the scissor member which, with respect to the scissors axis, faces the portion on which the stationary pivot bearing is located.
- the winding roller for the tension element is driven by a motor, which is fastened in particular to one of the scissor members.
- the motor pivots with the scissor member and, in particular in the arrangement of the motor with its longitudinal axis, which is in particular the longitudinal axis of its housing, parallel to the longitudinal extension of the scissor member a simple mechanical coupling of the motor to the winding roll, and preferably a small minimum Distance between base plate and plate.
- a lifting table between a base plate 10 and a plate 11 spaced therefrom has at least one pair of scissor members 1, 2, which have a first scissor member 1 and a second scissor member 2.
- the first and the second scissor member 1, 2 are hinged to each other on a common scissors axis 3.
- the first scissor member 1 has between its first end 4 and the scissors axis 3, a first portion 5 and between its second end 7 and the scissors axis 3, a second portion 6.
- the second scissor member 2 has a first portion 8 which extends between the scissors axis 3 and its first end 9.
- the first end 9 of the second scissor member 2 is preferably articulated on the base plate 10, while the first end 4 of the first scissor member 1 is mounted on the plate 11 movable relative to the base plate 10.
- the first ends 9, 4 of the second and first scissor member 2, 1 are longitudinally displaceable and rotatably supported, while the second end 7 of the first scissor member 1 is fixed pivotally mounted on the base plate 10 and the second end 12 of the second scissor member 2 pivotally fixed to the plate 11 is mounted.
- both ends 4, 7, 9, 12 of a scissor member 1, 2 pivotally mounted and longitudinally displaceable in the base plate 10 and the plate 11, while both ends 9, 12, 4, 7 of the other scissor member 2, 1 respectively fixed to pivot Base plate 10 and plate 11 are mounted.
- the second scissor member 2 has opposite its first end 9 to a second end 12 which defines the second portion 13 of the second scissor member 2, which extends from the scissors axis 3.
- FIG. 1 shows an embodiment in which the lifting table only has a first pivot lever 20 which is fixedly mounted with a first pivot bearing 21 in the first section 5 of the first scissor member 1 and a spaced first, 22 displaceable against the first portion 8 of the second scissor member 2 bearing , which is formed for example by a arranged against the first portion 8 of the second scissor member 2 first impeller.
- the tension member 24 is fixed to the first pivot lever 20 and fixed at a distance to the winding roller 25, which is driven by a motor 26.
- the motor 26 is arranged with the longitudinal axis of its housing approximately parallel to the longitudinal extent of a scissor member 1 and fixed on the scissor member 1.
- FIG. 1 shows the attachment of the tension member 24 in a region of the first pivot lever 20 between the first stationary pivot bearing 21 at the displaceable bearing 22, which is formed by the first impeller 23 and, as an alternative, the attachment of the tension element 24a to a projection 27 of the first pivot lever 20, which projects beyond the first pivot lever 20 on the side of the displaceable bearing 22 or first impeller 23 which is opposite the first stationary pivot bearing 21.
- the projection 27 forms a lever which may extend in line with the first stationary pivot 21 and the first impeller 23 or at an angle to this line, for example at an angle which is inclined at 90 ° to 270 ° to this line.
- Such an optionally angularly disposed lug 27 may form a lever, which in the position in which the plate 11 is approximated to the base plate 10 and the first portions 5, 8 of the first and second scissor members 1, 2 at an acute angle are arranged parallel to each other, the effect of the tension element on the pivot lever 20 is amplified.
- FIG. 2 and 3 show embodiments of the lifting table, in which the tension element 24 is fixed to one of the scissor members 1, 2, in particular in the scissors axis 3 is fixed, and is guided about a pivot lever 20 mounted on the roller 28 to the winding roller 25. Also in these embodiments, a lever, as with respect to FIG. 1 described, are formed by a projection 27 on which the roller 28 is mounted.
- FIG. 3 shows an embodiment of the lifting table, in which the tension member 24 is attached to a scissor member, in this case the first portion 5 of the first scissor member 1, which is shown as an example of attachment of the end of the tension member 24 to the first stationary pivot bearing 21.
- the tension element 24 is guided around a deflection roller 29, which is arranged on one of the scissor members 1, 2, in the present case in the scissors axis 3.
- the tension element 24 is guided between the deflection roller 29 and the winding roller 25 about the roller 28, which on the first pivot lever 20 and coaxial with the first impeller 23 is mounted, which forms the displaceable on the first portion 8 of the second scissor member 2 bearing 22.
- FIG. 4 shows the optional arrangement of the motor-driven winding roller 25 on the base plate 10.
- the guideway 34 has a first portion 34a, which is arranged at an acute angle to the first portion 5 of the first scissor member 1, wherein the apex of the angle of the scissors axis 3 faces away.
- a first portion 34a of the guideway 34 allows a more efficient lifting of the plate 11, in particular from the contracted state, since the angle creates an additional leverage.
- the second, to the first adjacent portion 34 b is located at a smaller distance to the scissors axis 3 and is arranged at a more acute angle to parallel to the first scissor member 1.
- the tension member 24 passes around the roller 28, which is mounted between the first stationary pivot bearing 21 and the sliding bearing 22 on the first pivot lever 20.
- the portion of the tension member 24 which passes around the roller 28 and loads the first pivot lever 20 against the scissor shaft 3 is fixed to the second portion 13 of the second scissor member 2 facing the first portion 8 of the second scissor member 2 on which the stationary pivot bearing 21 is arranged and guided on the other hand to a mounted on the second portion 6 of the first scissor member 1 guide roller 29.
- FIG. 5 shows an embodiment of the lifting table, in addition to the first pivot lever 20 which is mounted on the first portion 5 of the first scissor member 1 and the first portion 8 of the second scissor member 2, a second pivot lever 30 on the second portion 6 of the first scissor member 1 and second Section 13 of the second scissor member 2 is articulated.
- the second pivot lever 30 may be mounted with a second stationary pivot bearing 31 on the second portion 13 of the second scissor member 2 and with a second displaceable bearing 32, which is in particular formed by a second impeller 33, longitudinally displaceable against the second portion 13 of the second scissor member 2 be arranged.
- FIG. 5 shows that the tension member 24 may be attached to the second pivot lever 30, in the present case in the region of the second displaceable bearing 32, and may be guided about a mounted on the first pivot lever roller 28 to the winding roller 25.
- the roller 28 of the first rocker arm 20 is arranged here on a common axis with the first impeller 23.
- the tension member 24 loads the first and second pivot levers 20, 30 respectively against the scissors axis 3.
- the tension member 24 is attached to the second scissor member 2 and between its attachment to the first portion 8 of the second scissor member 2 about the roller 28a of the second pivot lever 30 and the roller 28 of the first pivot lever 20 and guided to the winding roller 25, which according to the preferred embodiment is arranged on the second portion 13 of the second scissor member 2.
- the roller 28 of the first pivoting lever 20 is disposed on a common axis with the first impeller 23 constituting the first sliding bearing 22, and the roller 28a is disposed on a common axis with the second impeller 33 constituting the second displaceable bearing 32 of the first second pivot lever 30 forms.
- the second fixed pivot bearing 31 may be disposed on the second portion 6 of the first scissor member 1 and the second sliding bearing 32 may be disposed against the second portion 13 of the second scissor member 1 like this in FIG. 6 is shown.
- FIG. 7 shows an embodiment with a first pivot lever 20 and a scissor axis 3 symmetrically arranged second pivot lever 30, the sliding bearing 22, 32 guideways 34, 34a have.
- the Guides at their end facing the scissor shaft each have a deflection roller 34, which avoids contact of the tension element 24 with a guideway.
- a deflection roller 34 mounted on a guideway 34 is generally preferred when the guideway 34 is disposed on a support member 37 fixed to a first portion of a first scissor member 1, preferably to parallel first portions 5 of two spaced parallel first scissor members 1 of two parallel pairs is.
- the fixed pivot bearing 21 is preferably fixed to a carrier 36 which is fixed to a first portion 8 of the second scissor member 2, preferably at first portions 8 of two spaced parallel second scissor members 2 of the parallel pair of scissor links is fixed.
- FIG. 8 shows an embodiment with a first pivot lever 20 and a scissors axis 3 symmetrically arranged second pivot lever 30, which are loaded by a common tension member 24 against the scissors axis 3, which runs around a respective roller 28, 28 a, on the first and second pivot lever 20, 30 is stored.
- a deflection roller 35 is arranged in each case for spacing the tension element 24.
- the tension member 24 is fixed at one end to the second portion 13 of the second scissor member 2 to the rollers 28, 28 a of the first and second pivoting lever 21, 31 out to form a reduction for the tension element and is additionally a deflection roller 29 on led first portion 8 of the second scissor member 2 before it ends at the motor-driven winding roller 25 to form a further reduction.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Scissors And Nippers (AREA)
Abstract
Description
Die Erfindung betrifft einen Scherenhubtisch mit zumindest einem Paar aneinander angelenkter Scherenglieder, der als Antrieb ein Zugelement, insbesondere einen Riemen oder eine Kette aufweist und daher auch als Riemenhubtisch bezeichnet werden kann. Ein Paar Scherenglieder weist ein erstes Scherenglied und ein zweites Scherenglied auf, die in einer gemeinsamen Scherenachse drehbar aneinander angelenkt sind. Die Scherenglieder sind bevorzugt jeweils an ihrem ersten Ende ortsfest drehbar gelagert, insbesondere in einem Festlager, und an ihrem gegenüberliegenden zweiten Ende jeweils längsverschieblich geführt, so dass dann, wenn die Scherenachse jeweils im gleichen Abstand vom ersten Ende jedes Scherenglieds angeordnet ist, bei gleichlangen Scherenglieder jeweils ein erstes Ende des einen Scherenglieds und ein zweites Ende des anderen Scherenglieds in beabstandeten, parallelen Ebenen angeordnet sind, und an einer Grundplatte und einer Platte angeordnet sein können, die parallel beweglich sind. Alternativ kann eines der Scherenglieder an beiden Enden ortsfest drehbar gelagert sein und das andere der Scherenglieder an beiden Enden längsverschieblich gelagert sein, so dass die Platten, zwischen denen die Scherenglieder angeordnet sind, parallel verschwenkt werden. Bevorzugt ist eines der Scherenglieder ortsfest mit seinem ersten Ende an der Grundplatte und das andere der Scherenglieder ortsfest mit seinem ersten Ende an der Platte gelagert, während die jeweiligen zweiten Enden der Scherenglieder längsverschieblich gegen die Platte bzw. die Grundplatte gelagert sind.The invention relates to a scissor lift with at least one pair hinged scissor links, which has as a drive a tension element, in particular a belt or a chain and therefore can also be referred to as Riemenhubtisch. A pair of scissor members has a first scissor member and a second scissor member which are pivotally hinged together in a common scissors axis. The scissor members are preferably rotatably supported in each case at their first end, in particular in a fixed bearing, and each longitudinally displaceably guided at its opposite second end, so that when the scissors axis is arranged at the same distance from the first end of each scissor member, with the same length scissor members each a first end of the one scissor member and a second end of the other scissor member are arranged in spaced, parallel planes, and may be arranged on a base plate and a plate which are movable in parallel. Alternatively, one of the scissor members may be fixedly rotatably mounted at both ends and the other of the scissor members may be mounted so as to be longitudinally displaceable at both ends, so that the plates between which the scissor members are arranged are pivoted in parallel. Preferably, one of the scissor members is stationary with its first end on the base plate and the other of the scissor members stationary with its first end mounted on the plate, while the respective second ends of the scissor members are mounted longitudinally displaceable against the plate or the base plate.
Die Aufgabe der Erfindung liegt in der Bereitstellung eines alternativen Hubtischs. Eine bevorzugte Aufgabe liegt in der Bereitstellung eines Scherenhubtischs, der eine schnelle Parallelverschwenkung zweier Platten erlaubt.The object of the invention is to provide an alternative lifting table. A preferred object is to provide a scissor lift, which allows fast Parallelverschwenkung two plates.
Die Erfindung löst die Aufgabe mit den Merkmalen der Ansprüche, wobei sich der erfindungsgemäße Hubtisch insbesondere dadurch auszeichnet, dass er einen ersten Schwenkhebel aufweist, der in einem ortsfesten Schwenklager am ersten Scherenglied gelagert ist, und in einem Abstand vom ortsfesten Schwenklager verschieblich, z.B. mittels eines vom ersten ortsfesten Schwenklager beabstandeten verschieblichen Lagers, gegen das zweite Scherenglied gelagert ist, wobei der erste Schwenkhebel mit einem Zugelement in Richtung auf die Schwenkachse belastet ist. Das ortsfeste Schwenklager und das verschiebliche Lager sind auf dem ersten Schwenkhebel voneinander beabstandet. Das verschiebliche Lager ist vorzugsweise ein Laufrad, das zum ortsfesten Lager beabstandet ist und gegen das zweite Scherenglied angeordnet ist, insbesondere gegen eine Fläche des zweiten Scherenglieds belastet ist, die dem Abschnitt des ersten Scherenglieds zugewandt ist, in dem das ortsfeste Schwenklager angeordnet ist. Das Zugelement wird von einer Wickelrolle auf- oder abgewickelt, die vorzugsweise motorbetrieben ist. Die Wickelrolle kann auf einem Abschnitt des ersten oder zweiten Scherenglieds angeordnet sein, der dem Abschnitt des Scherenglieds gegenüber liegt, an dem das ortsfeste Schwenklager oder das verschiebliche Lager eines Schwenkhebels, insbesondere dessen Laufrad, angeordnet ist. Alternativ kann die motorbetriebene Wickelrolle an der Grundplatte oder an der Platte gelagert sein. Generell ist bevorzugt, dass ein verschiebliches Lager von einer am Scherenglied angeordneten Führungsbahn und einer am Schwenkhebel gelagerten Rolle gebildet ist, die gegen die Führungsbahn läuft. Die Führungsbahn ist z.B. eine mit dem Scherenglied verbundene Führungsschiene. Die Führungsbahn kann gradlinig oder in einer Kurve und wahlweise abschnittsweise parallel zum Scherenglied und/oder abschnittsweise in einem Winkel zum Scherenglied an diesem angebracht sein. Optional weist der Hubtisch zwei parallele Paare von Scherengliedern auf, an deren zweitem Scherenglied jeweils eine Führungsbahn angebracht ist, gegen die jeweils ein erster Schwenkhebel verschieblich gelagert ist, wobei bevorzugt die Führungsbahnen parallel sind und mit einem Halteelement verbunden sind, das sich zwischen den parallelen Schwenkhebeln erstreckt. Ein Halteelement kann z.B. eine Platte sein, an der zwei parallele Führungsbahnen und parallele Abschnitte der Schwenkhebel befestigt sind.The invention solves the problem with the features of the claims, wherein the lifting table according to the invention is particularly characterized in that it comprises a first pivot lever which is mounted in a stationary pivot bearing on the first scissor member, and displaceable at a distance from the stationary pivot bearing, for example by means of a from the first stationary pivot bearing spaced sliding bearing is mounted against the second scissor member, wherein the first pivot lever is loaded with a tension member in the direction of the pivot axis. The stationary pivot bearing and the sliding bearing are spaced apart on the first pivot lever. The slidable bearing is preferably an impeller spaced from the stationary bearing and disposed against the second scissor member, in particular loaded against a surface of the second scissor member facing the portion of the first scissor member in which the stationary pivot bearing is disposed. The tension member is wound up or unwound from a winding roll, which is preferably motor driven. The winding roll may be arranged on a portion of the first or second scissor member, which is opposite to the portion of the scissor member, on which the stationary pivot bearing or the sliding bearing of a pivot lever, in particular its impeller, is arranged. Alternatively, the motorized winding roll may be mounted on the base plate or on the plate. In general, it is preferred that a displaceable bearing is formed by a guideway arranged on the shearing member and a roller mounted on the pivot lever, which runs against the guideway. The guideway is, for example, a guide rail connected to the scissor link. The guideway may be mounted in a straight line or in a curve and optionally in sections parallel to the scissor member and / or in sections at an angle to the scissor member on this. Optionally, the lifting table on two parallel pairs of scissor members on the second scissor member each having a guide rail is mounted against each of which a first pivot lever is slidably mounted, wherein preferably the guideways are parallel and are connected to a holding element, which extends between the parallel pivoting levers extends. A holding element For example, it may be a plate to which two parallel tracks and parallel sections of the pivot levers are attached.
Der Schwenkhebel und dessen Belastung und Verschwenkung zwischen zwei Abschnitten aneinander angelenkter Scherenglieder mittels eines Zugelements, das insbesondere ein Riemen oder eine Kette ist, erlaubt eine schnelle Parallelbewegung der Elemente bzw. Platten gegeneinander, zwischen denen das Paar Scherenglieder angeordnet ist.The pivot lever and its loading and pivoting between two sections of mutually hinged scissor members by means of a tension member, which is in particular a belt or a chain, allows rapid parallel movement of the elements or plates against each other, between which the pair of scissor members is arranged.
Das Zugelement kann am ersten Schwenkhebel befestigt sein, insbesondere im Bereich des Laufrads des ersten Schwenkhebels, oder in einem Ansatz des ersten Schwenkhebels, der den Schwenkhebel, z.B. dessen Laufrad, gegenüber seines Schwenklagers oder gegenüber seines verschieblichen Lagers überragt.The tension member may be attached to the first pivot lever, in particular in the region of the impeller of the first pivot lever, or in a projection of the first pivot lever, the pivot lever, e.g. its impeller, surmounted by its pivot bearing or by its slidable bearing.
Optional kann das Zugelement an einem Scherenglied befestigt sein, insbesondere in der Scherenachse, und um eine Rolle für das Zugelement geführt sein, die am ersten Schwenkhebel gelagert ist, insbesondere auf einer gemeinsamen Achse mit dem Laufrad des ersten Schwenkhebels, das dessen verschiebliches Lager bildet, oder um eine Rolle, die zwischen ortsfestem Lager und verschieblichem Lager am Schwenkhebel angeordnet ist oder die an einem Ansatz des ersten Schwenkhebels angeordnet ist, der sich von dem dem ortsfesten Schwenklager abgewandten Ende des ersten Schwenkhebels erstreckt.Optionally, the tension element may be attached to a scissor member, in particular in the scissors axis, and guided around a roller for the tension element, which is mounted on the first pivot lever, in particular on a common axis with the impeller of the first pivot lever, which forms its displaceable bearing, or to a roller which is arranged between the stationary bearing and sliding bearing on the pivot lever or which is arranged on a projection of the first pivot lever, which extends from the fixed pivot bearing remote from the end of the first pivot lever.
Der erste Schwenkhebel ist mittels seines ortsfesten Schwenklagers an einem ersten Abschnitt eines ersten Scherenglieds gelagert, wobei das von der Scherenachse beabstandete erste Ende des ersten Abschnitts dieses Scherenglieds an einer gegenüber der Grundplatte beweglichen Platte gelagert ist. Das verschiebliche Lager des ersten Schwenkhebels ist insbesondere von einem Laufrad gebildet, das gegen den ersten Abschnitt eines zweiten Scherenglieds angeordnet ist, wobei das von der Scherenachse beabstandete erste Ende des ersten Abschnitts des zweiten Scherenglieds an der Grundplatte angeordnet ist. Bei horizontaler Anordnung von Grundplatte und Platte sind das ortsfeste Schwenklager und das verschiebliche Lager, z.B. das Laufrad, des ersten Schwenkhebels auf den übereinander angeordneten ersten Abschnitten von erstem und zweitem Scherenglied angeordnet. Das verschiebliche Lager kann eine Führungsbahn auf dem ersten Abschnitt des zweiten Schwenkhebels umfassen, die in einer Ebene oder in Bezug auf das ortsfeste Lager des Schwenkhebels konvex oder konkav bogenförmig sein kann. Bevorzugt ist die Führungsbahn zumindest in einem ersten Abschnitt in einem ersten Winkel zum Scherenglied angeordnet und in einem zweiten Abschnitt in einem zweiten Winkel bzw. parallel zum Scherenglied. Der erste Abschnitt der Führungsbahn kann in einem kleineren Abstand zur Scherenachse angeordnet sein als ihr zweiter Abschnitt. Bevorzugt ist der erste Abschnitt in einem größeren Abstand zur Scherenachse angeordnet als der zweite Abschnitt der Führungsbahn. Bevorzugt ist der Scheitelpunkt des ersten Winkels gegenüber der Scherenachse angeordnet und der erste Winkel ist in Bezug auf das Scherenglied spitz, so dass der dem Laufrad gegenüberliegende Schenkel des ersten Winkels parallel zum Scherenglied liegt.The first pivot lever is mounted by means of its stationary pivot bearing on a first portion of a first scissor member, wherein the scissor axis spaced from the first end of the first portion of this scissor member is mounted on a plate movable relative to the base plate. The displaceable bearing of the first pivot lever is in particular formed by an impeller which is arranged against the first section of a second scissor member, wherein the first end of the first section of the second scissor member spaced from the scissors axis is arranged on the base plate. In a horizontal arrangement of the base plate and plate, the stationary pivot bearing and the sliding bearing, such as the impeller, the first pivot lever are arranged on the superposed first portions of the first and second scissor member. The slidable bearing may include a track on the first portion of the second pivot lever that may be convex or concave in a plane or arcuate with respect to the stationary bearing of the pivot lever. Preferably, the guideway is at least in a first section arranged at a first angle to the scissor member and in a second portion at a second angle or parallel to the scissor member. The first portion of the guideway may be located a smaller distance from the scissors axis than its second portion. Preferably, the first portion is arranged at a greater distance from the scissors axis than the second portion of the guideway. Preferably, the vertex of the first angle is arranged with respect to the scissors axis and the first angle is acute with respect to the scissor member, so that the leg of the first angle opposite the impeller is parallel to the scissor member.
Generell können das erste Ende des ersten Scherenglieds und das erste Ende des zweiten Scherenglieds in einem ortsfesten Schwenklager gelagert sein, und die den ersten Enden gegenüberliegenden zweiten Enden der Scherenglieder können längsverschieblich gelagert sein, insbesondere mit einem Ende an einer Grundplatte und mit dem anderen Ende an einer parallelen Platte, zwischen denen erstes und zweites Scherenglied angeordnet sind. Alternativ können das erste und das zweite Ende eines der Scherenglieder ortsfest schwenkbar gelagert sein, während das erste und zweite Ende des anderen Scherenglieds jeweils längsverschieblich und schwenkbar gelagert sind.In general, the first end of the first scissor member and the first end of the second scissor member may be mounted in a fixed pivot bearing, and the second ends of the scissor members opposite the first ends may be longitudinally displaceable, in particular with one end on a base plate and with the other end a parallel plate between which first and second scissor members are arranged. Alternatively, the first and second ends of one of the scissors members may be pivotally mounted in place, while the first and second ends of the other scissors member are each longitudinally and pivotally mounted.
Generell kann jeder Schwenkhebel dadurch zwischen zwei Scherengliedern wirken, dass er parallel zu der Ebene angeordnet ist, in der sich die Scherenglieder erstrecken. In dieser Ausführungsform kann das ortsfeste Lager auf einem Träger angeordnet sein, der an einem ersten Abschnitt eines ersten Scherenglieds, vorzugsweise an ersten Abschnitten zweier beabstandeter paralleler erster Scherenglieder zweier paralleler Paare von Scherengliedern festgelegt ist, wobei das verschiebliche Lager vorzugsweise eine Führungsbahn aufweist, die an einem Halteelement festgelegt ist, das an einem ersten Abschnitt des zweiten Scherenglieds festgelegt ist, vorzugsweise an ersten Abschnitten zweier beabstandeter paralleler zweiter Scherenglieder des parallelen Paars Scherenglieder festgelegt ist.In general, each pivot lever can act between two scissor members by being disposed parallel to the plane in which the scissor members extend. In this embodiment, the fixed bearing may be disposed on a support which is fixed to a first portion of a first scissor member, preferably at first portions of two spaced parallel first scissor members of two parallel pairs of scissor members, the sliding bearing preferably having a guideway, the a holding element is fixed, which is fixed to a first portion of the second scissor member, preferably at first portions of two spaced parallel second scissor members of the parallel pair of scissor members is fixed.
Optional können das erste und das zweite Scherenglied Teil eines Scherengitters sein, das mehrere Paare von Scherengliedern aufweist, die aneinander angelenkt sind, z.B. an ihren Enden.Optionally, the first and second scissor members may be part of a scissor lattice having a plurality of pairs of scissor members hinged together, e.g. at their ends.
In einer weiteren Ausführungsform kann der Hubtisch einen zweiten Schwenkhebel aufweisen, der mit einem zweiten ortsfesten Schwenklager an einem zweiten Abschnitt eines Scherenglieds und mit einem zweiten verschieblichen Lager, das z.B. von einem Laufrad gebildet wird, das gegen eine Führungsbahn geführt ist, die an einem zweiten Abschnitt des anderen Scherenglieds angeordnet ist, wobei der zweite Schwenkhebel durch das Zugelement gegen die Schwenkachse belastet ist. Das zweite ortsfeste Lager kann am zweiten Abschnitt des zweiten Scherenglieds gegenüber dessen erstem Abschnitt angeordnet sein, während das zweite verschiebliche Lager des zweiten Schwenkhebels gegen den zweiten Abschnitt des ersten Scherenglieds angeordnet ist, das gegenüber dessen erstem Abschnitt liegt. Alternativ kann das zweite ortsfeste Lager am zweiten Abschnitt des ersten Scherenglieds angeordnet sein, und das zweite verschiebliche Lager des zweiten Schwenkhebels gegen den zweiten Abschnitt des zweiten Scherenglieds angeordnet sein.In a further embodiment, the lifting table may comprise a second pivoting lever which is connected to a second stationary pivoting bearing on a second section of a Scissor member and with a second displaceable bearing, which is for example formed by an impeller which is guided against a guide track, which is arranged on a second portion of the other scissor member, wherein the second pivot lever is loaded by the tension member against the pivot axis. The second fixed bearing may be disposed on the second portion of the second scissor member with respect to the first portion thereof, while the second displaceable bearing of the second pivot lever is disposed against the second portion of the first scissor member which lies opposite the first portion thereof. Alternatively, the second stationary bearing may be disposed on the second portion of the first scissor member, and the second displaceable bearing of the second pivot lever may be disposed against the second portion of the second scissor member.
Bevorzugt sind die Lager des zweiten Schwenkhebels zur Scherenachse symmetrisch zu den Lagern des ersten Schwenkhebels angeordnet, insbesondere mit gleichem Abstand des ortsfesten Schwenklagers zum verschieblichen Lager und mit gleichem Abstand des ortsfesten Schwenklagers zur Scherenachse. Die ortsfesten Schwenklager von erstem und zweitem Schwenkhebel sowie die verschieblichen Lager können punktsymmetrisch zur Scherenachse angeordnet sein oder spiegelsymmetrisch zu einer Ebene, die durch die Scherenachse angeordnet ist. Generell kann der zweite Schwenkhebel und dessen ortsfestes und verschiebliches Lager so ausgebildet sein wie der erste Schwenkhebel und dessen ortsfestes bzw. verschiebliches Lager.Preferably, the bearings of the second pivot lever to the scissors axis are arranged symmetrically to the bearings of the first pivot lever, in particular with the same distance of the stationary pivot bearing to the sliding bearing and the same distance of the stationary pivot bearing to the scissors axis. The stationary pivot bearing of the first and second pivot lever and the sliding bearings can be arranged point-symmetrical to the scissors axis or mirror-symmetrical to a plane which is arranged by the scissors axis. In general, the second pivot lever and its stationary and displaceable bearing can be designed as the first pivot lever and its stationary or movable bearing.
Wie beim ersten Schwenkhebel kann auch beim zweiten Schwenkhebel das Zugelement um eine Rolle geführt sein, die zwischen dem ortsfesten Schwenklager und dem verschieblichen Lager angeordnet ist, die auf einer gemeinsamen Achse mit dem verschieblichen Lager angeordnet ist, das vorzugsweise von einem gegen eine Führungsbahn laufenden Laufrad gebildet ist, oder an einem Ansatz des zweiten Schwenkhebels, der den zweiten Schwenkhebel mit Bezug auf sein verschiebliches Lager gegenüber dem ortsfesten Lager überragt. Bevorzugt sind erste und zweite Schwenkhebel und deren ortsfeste Lager und verschiebliche Lager symmetrisch zur Schwenkachse der Scherenglieder angeordnet, zwischen denen die Schwenkhebel wirken. Entsprechend sind bevorzugt auch die Führungsbahnen und die dagegen laufenden Rollen der verschieblichen Lager symmetrisch zur Schwenkachse der Scherenglieder angeordnet.
In der zweiten Ausführungsform ist bevorzugt, dass die Rollen, um die das Zugelement geführt ist und die an dem ersten und zweiten Schwenkhebel gelagert sind, jeweils den gleichen Abstand in Bezug auf das ortsfeste Lager des Schwenkhebels aufweisen, an dem sie angeordnet sind.As in the case of the first pivot lever, the tension element can also be guided around a roller which is arranged between the stationary pivot bearing and the displaceable bearing which is arranged on a common axis with the displaceable bearing, preferably of an impeller running against a guide track is formed, or at an approach of the second pivot lever, which projects beyond the second pivot lever with respect to its displaceable bearing relative to the stationary bearing. Preferably, first and second pivot levers and their stationary bearings and displaceable bearings are arranged symmetrically to the pivot axis of the scissor members, between which act the pivot lever. Accordingly, the guideways and the rollers running against it of the sliding bearing are preferably arranged symmetrically to the pivot axis of the scissor members.
In the second embodiment, it is preferable that the rollers about which the tension member is guided and which are supported on the first and second pivot levers, respectively have the same distance with respect to the stationary bearing of the pivot lever on which they are arranged.
Das Zugelement kann insbesondere in der zweiten Ausführungsform an einem ortsfesten Lager eines Schwenkhebels befestigt sein und um eine Rolle geführt sein, die auf einer gemeinsamen Achse mit dem Laufrad gelagert ist, das das verschiebliche Lager des anderen Schwenkhebels bildet, und um eine Rolle des Schwenkhebels geführt sein, an dessen ortsfestem Lager es befestigt ist.In particular, in the second embodiment, the pulling element may be fastened to a fixed bearing of a pivoting lever and guided around a roller which is mounted on a common axis with the running wheel, which forms the displaceable bearing of the other pivoting lever, and guided around a roller of the pivoting lever to whose fixed bearing it is attached.
Generell bevorzugt ist das Zugelement an dem Abschnitt eines Scherenglieds befestigt, an dem das ortsfeste Schwenklager des ersten Schwenkhebels angeordnet ist, und ist auf dem Weg zur Wickelrolle zunächst um eine auf dem zweiten Schwenkhebel gelagerte Rolle und anschließend um eine auf dem ersten Schwenkhebel gelagerte Rolle geführt. Bevorzugt ist das Zugelement in dem Abschnitt des Scherenglieds befestigt, der in Bezug auf die Scherenachse dem Abschnitt gegenüberliegt, an dem das ortsfeste Schwenklager angeordnet ist.In general, preferably, the tension element is attached to the portion of a scissor member, on which the stationary pivot bearing of the first pivot lever is arranged, and is performed on the way to the winding roll first by a roller mounted on the second pivot and then to a mounted on the first pivot lever roller , Preferably, the tension member is fixed in the portion of the scissor member which, with respect to the scissors axis, faces the portion on which the stationary pivot bearing is located.
Generell bevorzugt ist die Wickelrolle für das Zugelement mit einem Motor angetrieben, der insbesondere an einem der Scherenglieder befestigt ist. In dieser Ausführungsform schwenkt der Motor mit dem Scherenglied mit und erlaubt, insbesondere bei Anordnung des Motors mit seiner Längsachse, die insbesondere die Längsachse seines Gehäuses ist, parallel zur Längserstreckung des Scherenglieds eine einfache mechanische Kopplung des Motors mit der Wickelrolle, und bevorzugt einen geringen minimalen Abstand zwischen Grundplatte und Platte.Generally, preferably, the winding roller for the tension element is driven by a motor, which is fastened in particular to one of the scissor members. In this embodiment, the motor pivots with the scissor member and, in particular in the arrangement of the motor with its longitudinal axis, which is in particular the longitudinal axis of its housing, parallel to the longitudinal extension of the scissor member a simple mechanical coupling of the motor to the winding roll, and preferably a small minimum Distance between base plate and plate.
Die Erfindung wird nun genauer mit Bezug auf die Figuren beschrieben, die schematisch in
-
Figur 1 eine Ausführungsform des Hubtischs mit einem Schwenkhebel, an dem das Zugelement befestigt ist, -
eine Ausführungsform des Hubtischs mit einem Schwenkhebel, bei dem das Zugelement mit einem Ende an einem Scherenglied befestigt ist und um eine Rolle geführt ist, die am ersten Schwenkhebel gelagert ist,Figur 2 -
einen Hubtisch, bei der das Zugelement mit einem Ende an einem Scherenglied befestigt ist und um eine Rolle geführt ist, die am ersten Schwenkhebel gelagert ist,Figur 3 -
einen Hubtisch mit einer abschnittsweise in einem Winkel zum Scherenglied angeordneten Führungsbahn eines verschieblichen Lagers,Figur 4 -
einen Hubtisch mit einem ersten und einem zweiten Schwenkhebel,Figur 5 -
eine weitere Ausführungsform eines Hubtischs mit einem ersten und einem zweiten Schwenkhebel,Figur 6 -
eine Ausführungsform mit erstem und zweitem Schwenkhebel, die jeweils eine Rolle zwischen dem ortsfesten und dem verschieblichen Lager aufweisen, um die das Zugelement geführt ist undFigur 7 -
eine Ausführungsform mit zwei Schwenkhebeln zeigen, deren verschiebliche Lager abschnittsweise in einem Winkel zum Scherenglied angeordnete Führungsbahnen aufweisen.Figur 8
-
FIG. 1 an embodiment of the lifting table with a pivot lever to which the tension element is attached, -
FIG. 2 an embodiment of the lifting table with a pivot lever, wherein the tension element is attached at one end to a scissor member and guided around a roller which is mounted on the first pivot lever, -
FIG. 3 a lifting table, in which the pulling element is fastened at one end to a scissor member and guided around a roller, which is mounted on the first pivoting lever, -
FIG. 4 a lifting table with a guide rail of a displaceable bearing arranged in sections at an angle to the scissor link, -
FIG. 5 a lift table with a first and a second pivot lever, -
FIG. 6 a further embodiment of a lifting table with a first and a second pivot lever, -
FIG. 7 an embodiment with first and second pivot lever, each having a role between the stationary and the sliding bearing around which the tension element is guided and -
FIG. 8 show an embodiment with two pivot levers whose slidable bearings have sections arranged at an angle to the scissor link guideways.
In den Figuren bezeichnen gleiche Bezugsziffern funktionsgleiche Elemente.In the figures, like reference numerals designate functionally identical elements.
Generell weist ein erfindungsgemäßer Hubtisch zwischen einer Grundplatte 10 und einer davon zu beabstandenen Platte 11 zumindest ein Paar Scherenglieder 1, 2 auf, die ein erstes Scherenglied 1 und ein zweites Scherenglied 2 aufweisen. Das erste und das zweite Scherenglied 1, 2 sind an einer gemeinsamen Scherenachse 3 aneinander angelenkt. Das erste Scherenglied 1 weist zwischen seinem ersten Ende 4 und der Scherenachse 3 einen ersten Abschnitt 5 und zwischen seinem zweiten Ende 7 und der Scherenachse 3 einen zweiten Abschnitt 6 auf. Das zweite Scherenglied 2 weist einen ersten Abschnitt 8 auf, der sich zwischen der Scherenachse 3 und seinem ersten Ende 9 erstreckt. Das erste Ende 9 des zweiten Scherenglieds 2 ist vorzugsweise auf der Grundplatte 10 angelenkt, während das erste Ende 4 des ersten Scherenglieds 1 auf der gegenüber der Grundplatte 10 beweglichen Platte 11 gelagert ist. Vorzugsweise sind die ersten Enden 9, 4 des zweiten und ersten Scherenglieds 2, 1 längsverschieblich und drehbar gelagert, während das zweite Ende 7 des ersten Scherenglieds 1 ortsfest schwenkbar auf der Grundplatte 10 gelagert ist und das zweite Ende 12 des zweiten Scherenglieds 2 schwenkbar ortsfest an der Platte 11 gelagert ist. Alternativ können beide Enden 4, 7, 9, 12 eines Scherenglieds 1, 2 schwenkbar und längsverschieblich in der Grundplatte 10 und der Platte 11 gelagert sein, während beide Enden 9, 12, 4, 7 des anderen Scherenglieds 2, 1 jeweils ortsfest schwenkbar an Grundplatte 10 und Platte 11 gelagert sind.In general, a lifting table according to the invention between a
Das zweite Scherenglied 2 weist gegenüber seinem ersten Ende 9 ein zweites Ende 12 auf, das den zweiten Abschnitt 13 des zweiten Scherenglieds 2 begrenzt, der sich von der Scherenachse 3 erstreckt.The
Die
Das Zugelement 24 belastet den ersten und den zweiten Schwenkhebel 20, 30 jeweils gegen die Scherenachse 3.The
In der Ausführungsform nach
In Alternative zur Anordnung des zweiten ortsfesten Schwenklagers 31 und des zweiten verschieblichen Schwenklagers 32 kann das zweite ortsfeste Schwenklager 31 auf dem zweiten Abschnitt 6 des ersten Scherenglieds 1 angeordnet sein und das zweite verschiebliche Lager 32 kann gegen den zweiten Abschnitt 13 des zweiten Scherenglieds 1 angeordnet sein, wie dies in
- 1 erstes Scherenglied1 first scissor link
- 2 zweites Scherenglied2 second scissor link
- 3 Scherenachse3 scissors axis
- 4 erstes Ende des ersten Scherenglieds4 first end of the first scissor member
- 5 erster Abschnitt des ersten Scherenglieds5 first section of the first scissor link
- 6 zweiter Abschnitt des ersten Scherenglieds6 second section of the first scissor link
- 7 zweites Ende des ersten Scherenglieds7 second end of the first scissor member
- 8 erster Abschnitt des zweiten Scherenglieds8 first portion of the second scissor member
- 9 erstes Ende des zweiten Scherenglieds9 first end of the second scissor member
- 10 Grundplatte10 base plate
- 11 Platte11 plate
- 12 zweites Ende des zweiten Scherenglieds12 second end of the second scissor member
- 13 zweiter Abschnitt des zweiten Scherenglieds13 second section of the second scissor link
- 20 erster Schwenkhebel20 first pivot lever
- 21 erstes ortsfestes Schwenklager21 first stationary pivot bearing
- 22 verschiebliches Lager22 movable bearing
- 23 erstes Laufrad23 first impeller
- 24, 24a Zugelement24, 24a tension element
- 25 Wickelrolle25 winding roll
- 26 Motor26 engine
- 27 Ansatz27 approach
- 28, 28a Rolle28, 28a roll
- 29, 29a Umlenkrolle29, 29a pulley
- 30 zweiter Schwenkhebel30 second pivot lever
- 31 zweites ortsfestes Schwenklager31 second stationary pivot bearing
- 32 zweites verschiebliches Lager32 second sliding bearing
- 33 zweites Laufrad33 second impeller
- 34 Führungsbahn34 guideway
- 34a erster Abschnitt der Führungsbahn34a first section of the guideway
- 34b zweiter Abschnitt der Führungsbahn34b second section of the guideway
- 35 Ablenkrolle35 deflection roller
- 36 Träger36 carriers
- 37 Halteelement37 holding element
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012208062 | 2012-05-14 | ||
DE201210209125 DE102012209125A1 (en) | 2012-05-14 | 2012-05-30 | Riemenhubtisch |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2664577A1 true EP2664577A1 (en) | 2013-11-20 |
Family
ID=48444152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13167740.3A Withdrawn EP2664577A1 (en) | 2012-05-14 | 2013-05-14 | Lifting table with belt drive |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2664577A1 (en) |
DE (1) | DE102012209125A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021209083B4 (en) | 2021-08-18 | 2023-06-07 | Siemens Healthcare Gmbh | patient positioning table |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0017914A1 (en) * | 1979-04-12 | 1980-10-29 | Lupo, Marianne | Elevating device to be installed in a television cabinet or the like |
DE3104182A1 (en) * | 1980-02-12 | 1981-12-24 | Augusto Caravaggio Bergamo Capetti | Lifting device, in particular for moving top surfaces of furniture and the like |
DE102004061182A1 (en) * | 2004-12-16 | 2006-06-22 | Laweco Maschinen- Und Apparatebau Gmbh | Scissors lift, has web guide roll to lift and lower shear guide provided at lever arm of L-shaped angle lever and to control ratio of utilization height of lifting platform and winding height of flat belt, which is engaged with arm |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1082023B (en) * | 1958-12-06 | 1960-05-19 | Ingo Trepel | Lifting table with Nuernberger scissors |
DE29907147U1 (en) * | 1999-04-22 | 1999-08-26 | Clamor Reinhard | Scissor lift table |
DE102006006467B4 (en) * | 2006-02-10 | 2008-09-11 | Grundei Hebetische Verladetechnik Gmbh | Scissor |
EP2019076A1 (en) * | 2007-07-27 | 2009-01-28 | Ludwig Göcke | Power-operated scissor table |
DE202011104094U1 (en) * | 2011-07-15 | 2011-11-14 | Elena Albrecht | Spindelhubtisch |
-
2012
- 2012-05-30 DE DE201210209125 patent/DE102012209125A1/en not_active Withdrawn
-
2013
- 2013-05-14 EP EP13167740.3A patent/EP2664577A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0017914A1 (en) * | 1979-04-12 | 1980-10-29 | Lupo, Marianne | Elevating device to be installed in a television cabinet or the like |
DE3104182A1 (en) * | 1980-02-12 | 1981-12-24 | Augusto Caravaggio Bergamo Capetti | Lifting device, in particular for moving top surfaces of furniture and the like |
DE102004061182A1 (en) * | 2004-12-16 | 2006-06-22 | Laweco Maschinen- Und Apparatebau Gmbh | Scissors lift, has web guide roll to lift and lower shear guide provided at lever arm of L-shaped angle lever and to control ratio of utilization height of lifting platform and winding height of flat belt, which is engaged with arm |
Also Published As
Publication number | Publication date |
---|---|
DE102012209125A1 (en) | 2013-11-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE102012006028A1 (en) | Scissor | |
DE102017011880B4 (en) | Telescopic conveyor | |
DE2041686C3 (en) | Ford magazine | |
DE102013210406A1 (en) | Convertible roof element, convertible roof construction and method of operation of the roof element | |
EP3409388A1 (en) | Device for guiding metal strips having wear bodies in a finishing train | |
DE102012000128A1 (en) | Feeding device of a tape winding machine | |
DE202009008165U1 (en) | Guide device with center and straight-line control for a crane fitted with wheels on a crane track with crane rails | |
EP2664577A1 (en) | Lifting table with belt drive | |
DE202012013168U1 (en) | Riemenhubtisch | |
WO2008046811A1 (en) | Power conducting system for long distances | |
DE1902619A1 (en) | Device for compressing and bandaging a wire spool | |
DE102010042011A1 (en) | Scissor-type lifting table for ramp, has drive including traction element whose one end is arranged at shaft and another end is fastened to fixation point, where platform is loaded against traction element | |
DE102005041689B4 (en) | Power supply chain | |
DE1065050B (en) | Cable feed to portable reciprocating consumers | |
DE2930551C2 (en) | Device for carrying and guiding an endless conveyor belt | |
WO2014096293A1 (en) | Scissor lift with a flat design | |
DE202012003063U1 (en) | Scissor | |
EP3138806B1 (en) | Platform for working on motor vehicles | |
DE10204260A1 (en) | Conveyor belt has carriers mounted on it, with jaws mounted under them which hold them on belt, spring-loaded clamp pressing belt against jaw at end of belt so that carrier can be removed | |
DE202012104551U1 (en) | Linear conveyor | |
DE1760496A1 (en) | Cutting device with carrier for a flexible work table | |
DE976637C (en) | Plate conveyor | |
DE2800751C2 (en) | Device for clamping furniture parts on assembly machines | |
DE102016216768A1 (en) | manufacturing device | |
DE102007061644A1 (en) | Conveyor chain for transportation of e.g. body shell, during manufacturing of motor vehicle in work shop, has chain units connected via chain side bars and supported on rollers partially designed as flanged rollers |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20140521 |