EP1623951B1 - Lifting device - Google Patents
Lifting device Download PDFInfo
- Publication number
- EP1623951B1 EP1623951B1 EP20040017707 EP04017707A EP1623951B1 EP 1623951 B1 EP1623951 B1 EP 1623951B1 EP 20040017707 EP20040017707 EP 20040017707 EP 04017707 A EP04017707 A EP 04017707A EP 1623951 B1 EP1623951 B1 EP 1623951B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lifting
- drum
- top structure
- lifting device
- traction means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
Definitions
- the invention relates to a lifting device for raising and lowering a load according to the preamble of patent claim 1.
- Lifting devices that work with a hoist drum and at least one flexible traction device that can be wound onto this hoist drum are known in a wide variety of configurations.
- Ropes, chains or belts are used in particular as traction means.
- the lifting drum and the drive which sets them in rotation are mounted in the region of the upper structure.
- the traction means thus extend substantially only downwards and have at most before the downwardly extending portion a portion with horizontal extension direction.
- the disadvantage here is that repairs and maintenance, which occasionally on the vulnerable elements in this regard, namely the lifting drum and the drive, may be required to perform difficult, since these elements are difficult to access.
- a loading boom for silos such as he from the US 3 143 216 evident.
- a hollow transverse arm is provided at the upper end of a hollow mast, which can accommodate a hollow telescopic extension.
- the load hangs on a rope, which is passed through the hollow elements.
- the load capacity and rigidity of this device is limited by design.
- shelf conveyors are known in the art, but often along the floor are movable, such as the DE 2 154 709 A shows.
- These trucks are subjected to strong bending moments when they carry a heavy load, so they either have to be very heavy and therefore heavy or are bent under the load, which can lead to the load slipping off.
- Object of the present invention is to provide a lifting device of the type mentioned in such a way that it can absorb high loads without unallowable deformation at low dead weight.
- the upper structure which must carry the entire load, including the holding device receiving it, constructed in the sense of a specially designed truss. This makes it possible to achieve high rigidity and load capacity with a comparatively low mass. At the same time, all components requiring maintenance are easily accessible.
- a particularly preferred embodiment of the invention is characterized in that at least two flexible Traction means are provided, of which one is guided only by a deflection roller on the upper structure and the second via two deflection rollers on the upper structure, between which there is a distance in the horizontal direction. In this way, there is a lifting device with which a larger object can be grasped at two locations spaced apart from one another horizontally and thus raised or lowered.
- At least one flexible traction means is a band, the turn over winding on the lifting drum is wound up.
- Tapes have the advantage that they can be wound up in a particularly well-defined manner on the hoist drum and their carrying capacity is relatively large, but they remain sufficiently flexible.
- the band is preferably a metal band, preferably a steel band.
- the illustrated in the drawing and provided with the reference numeral 1 lifting device is primarily but not exclusively the raising and lowering of heavy loads in industrial manufacturing facilities, such as for lifting and lowering vehicle bodies in vehicle production. It comprises a stand structure 2, which has a horizontal bottom beam 3 serving as a floor structure, two vertical columns 4 and 5 and a top structure 21 projecting horizontally forwardly projecting at the upper end of the columns 4 and 5 and having two parallel arms 7 and 8.
- the upright structure 2 is reinforced in a truss-like manner by struts 9, 10 which run obliquely upwards from the bottom beam 3 to a connecting structure 11, 12 which extends over two plates and protrudes slightly rearwards.
- the connecting structures 11, 12 also project slightly upwards beyond the arms 7, 8.
- Oblique struts 13, 14 and 15, 16 extend from the upper region of the rear connecting structures 11, 12 to further connecting structures 17, 18 attached to the front ends of the arms 7, 8.
- the rear connecting structures 11, 12 are defined by a horizontal support 19 and the front connecting structures 17, 18 connected by a horizontal support 20 with each other.
- form the boom 7, 8 and the support 19, 20 by means of the connecting structures 11, 12, 17, 18 and the stiffening struts 13, 14, 15, 16, which is arranged at a distance above the room floor, stable upper structure 21st
- the horizontal floor beam 3 is connected to the columns 4 and 5 via lower connecting structures 22, 23, which have flanges 25, 26 resting against the floor of the room.
- the entire stator structure 2 can be with screws 27, which are passed through the flanges 25, 26, fasten on the room floor.
- a lifting drum 8 extends through the lower connection structures 22. She is at the in FIG. 1 left end in a bearing block 29 rotatably mounted, which in turn is attached to the bottom beam 3. The opposite, in FIG. 1 right end of the lifting drum 28 is non-positively connected to a geared motor 30, which in turn is arranged on a connected to the bottom bar 3 mounting plate 31.
- the lifting drum 28 can be rotated by the geared motor 30 in both directions of rotation.
- Two of these bands 32, 33 are wound on that axial region of the lifting drum 28, which in FIG. 1 extends to the left over the left lower connection structure 22. They extend substantially vertically upwards to two guide rollers 38, 39 which are rotatably mounted independently of each other at the rear, outer end of the boom 7.
- the outermost band 32 extends from the associated guide roller 38 back down and is at the rear, in FIG. 1 left portion of a lifting frame 40, which will be described in detail below, attached.
- the band 32 adjacent, but closer to the column 4 extending belt 33 is guided over the guide roller 39, extending from this horizontally parallel to the boom 7 and extends over a at the front end of the boom 7 rotatably mounted further guide roller 41. From there, the tape 32 extends down again until it with its end at the front, in FIG. 1 left corner region of the lifting frame 40 is attached.
- the belts 34, 35 are mounted in that axial region of the lifting drum 28, which is connected via the lower right connecting structure 23 in FIG FIG. 1 surmounted to the right.
- the outermost band 35 leads up to an in FIG. 1 difficult to detect pulley 42 and from there back down and is with its end at the rear, in FIG. 1 fixed right corner region of the lifting frame 40.
- the running between the belt 35 and the right column 5 band 34 is guided up to a guide roller 43, from there substantially horizontally to a mounted on the front end of the boom 8 guide roller 53, from there back down and is with his End at the front, in FIG. 1 attached to the right corner of the lifting frame 40.
- the arrangement is thus such that the lifting frame 40 is held substantially horizontally by the four belts 32, 33, 34, 35, wherein the height at which the lifting frame 40 is in each case, by rotating the lifting drum 28 by means of the geared motor 30 variable is.
- the lifting frame 40 itself consists of two substantially L-shaped side parts 44, 45, which are arranged lying, that the longer legs of the L horizontal and the shorter legs each extend vertically.
- the front ends of the side parts 44, 45 are interconnected by a horizontal strut 46 and the upper ends of the vertical, short legs of the side parts 44, 45 by a further horizontal strut 47.
- From the upper ends of the vertical legs The side parts 44, 45 also extend short guide lugs 48, 49 to the rear, which are provided on its inside with not visible in the drawing guide rollers. These guide rollers engage in slots 52 which are machined into the outsides of the columns 4, 5 and extend substantially over their entire length.
- the lifting device 1 described above operates as follows:
- FIG. 1 On the lifting frame 40 of the object to be lifted or lowered is secured in a suitable manner.
- this lifting frame 40 in relatively high altitude. If it is to be lowered from this position, the lifting drum 28 is rotated by means of the geared motor such that the wound on the protruding axial portions of the lifting drum 28 supply of the bands 32, 33, 34, 35 is partially unwound. As a result, the length of the bands 32, 33, 34, 35 between the hoist drum 28 and the lifting frame 40 is longer; the lifting frame 40 lowers accordingly, whereby he through the engagement of the guide rollers attached to the guide lugs 48, 49 in the slots 52 of the columns 4, 5 is guided vertically.
- the belts 36, 37 are wound on the lifting drum 28 due to their reversed winding direction, as a result of which the compensating weight 60 is lifted in a corresponding manner.
- the only occasional maintenance or repair in practice elements are the geared motor 30 and possibly the hoist drum 28. Due to the arrangement of these elements in the vicinity of the bottom beam 3, they are always easily accessible, so that the relevant work can be easily performed.
Description
Die Erfindung betrifft eine Hubvorrichtung zum Anheben und Absenken einer Last nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a lifting device for raising and lowering a load according to the preamble of
Hubvorrichtungen, die mit einer Hubtrommel und mindestens einem auf diese Hubtrommel aufwickelbaren flexiblen Zugmittel arbeiten, sind in unterschiedlichsten Ausgestaltungen bekannt. Als Zugmittel werden insbesondere Seile, Ketten oder Bänder eingesetzt. Bei vom Markt her bekannten derartigen Hubvorrichtungen sind die Hubtrommel und der diese in Drehung versetzende Antrieb im Bereich der Oberstruktur angebracht. Die Zugmittel verlaufen also im wesentlichen nur nach unten und haben allenfalls vor dem nach unten verlaufenden Abschnitt einen Abschnitt mit horizontaler Erstreckungsrichtung. Nachteilig dabei ist, daß Reparaturen und Wartungen, die gelegentlich an den diesbezüglich anfälligen Elementen, nämlich der Hubtrommel und dem Antrieb, erforderlich werden können, schwierig durchzuführen sind, da diese Elemente schwer zugänglich sind.Lifting devices that work with a hoist drum and at least one flexible traction device that can be wound onto this hoist drum are known in a wide variety of configurations. Ropes, chains or belts are used in particular as traction means. In the case of such lifting devices known from the market, the lifting drum and the drive which sets them in rotation are mounted in the region of the upper structure. The traction means thus extend substantially only downwards and have at most before the downwardly extending portion a portion with horizontal extension direction. The disadvantage here is that repairs and maintenance, which occasionally on the vulnerable elements in this regard, namely the lifting drum and the drive, may be required to perform difficult, since these elements are difficult to access.
Im Stand der Technik sind natürlich grundsätzlich auch Lastenaufzüge bekannt, die in der Lage sind, eine Last anzuheben und abzusenken. Ein Beispiel hierfür ist der
Diesbezüglich flexibler ist ein Ladebaum für Silos, wie er aus der
Auch Regalförderer sind im Stand der Technik bekannt, die jedoch häufig entlang des Bodens verfahrbar sind, wie zum Beispiel die
Aufgabe der vorliegenden Erfindung ist es, eine Hubvorrichtung der eingangs erwähnten Art derart auszugestalten, daß sie bei niedrigem Eigengewicht hohe Lasten ohne unzuläsige Verformung aufnehmen kann.Object of the present invention is to provide a lifting device of the type mentioned in such a way that it can absorb high loads without unallowable deformation at low dead weight.
Diese Aufgabe wird erfindungsgemäß mit den in Patentanspruch 1 angegebenen Mitteln gelöst.This object is achieved with the means specified in
Bei der erfindungsgemäßen Hubvorrichtung ist also die Oberstruktur, die die gesamte Last samt der sie aufnehmenden Halteeinrichtung tragen muss, im Sinne eines speziell konstruierten Fachwerks aufgebaut. Dadurch gelingt es, bei vergleichsweise geringer Masse hohe Steifigkeit und Tragfähigkeit zu erzielen. Zugleich sind alle wartungsbedürftigen Komponenten leicht zugänglich.In the lifting device according to the invention, therefore, the upper structure, which must carry the entire load, including the holding device receiving it, constructed in the sense of a specially designed truss. This makes it possible to achieve high rigidity and load capacity with a comparatively low mass. At the same time, all components requiring maintenance are easily accessible.
Eine besonders bevorzugte Ausführungsform der Erfindung zeichnet sich dadurch aus, daß mindestens zwei flexible Zugmittel vorgesehen sind, von denen das eine nur über eine Umlenkrolle an der Oberstruktur und das zweite über zwei Umlenkrollen an der Oberstruktur geführt ist, zwischen denen in horizontaler Richtung ein Abstand besteht. Auf diese Weise ergibt sich eine Hubvorrichtung, mit der ein größerer Gegenstand an zwei in horizontalem Abstand voneinander befindlichen Stellen ergriffen und so angehoben oder abgesenkt werden kann.A particularly preferred embodiment of the invention is characterized in that at least two flexible Traction means are provided, of which one is guided only by a deflection roller on the upper structure and the second via two deflection rollers on the upper structure, between which there is a distance in the horizontal direction. In this way, there is a lifting device with which a larger object can be grasped at two locations spaced apart from one another horizontally and thus raised or lowered.
Bevorzugt ist mindestens ein flexibles Zugmittel ein Band, das Windung über Windung auf der Hubtrommel aufwickelbar ist. Bänder haben den Vorteil, daß sie sich in besonders gut definierter Weise auf die Hubtrommel aufwickeln lassen und ihre Tragkraft verhältnismäßig groß ist, wobei sie jedoch ausreichend flexibel bleiben.Preferably, at least one flexible traction means is a band, the turn over winding on the lifting drum is wound up. Tapes have the advantage that they can be wound up in a particularly well-defined manner on the hoist drum and their carrying capacity is relatively large, but they remain sufficiently flexible.
Bei dem Band handelt es sich bevorzugt um ein Metallband, vorzugsweise um ein Stahlband.The band is preferably a metal band, preferably a steel band.
Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert; es zeigen
Figur 1- perspektivisch eine erfindungsgemäße Hubvorrichtung;
Figur 2- die Rückansicht der Hubvorrichtung von
;Figur 1 Figur 3- die Seitenansicht der Hubvorrichtung von
;Figur 1 Figur 4- die Draufsicht auf die Hubvorrichtung von
.Figur 1
- FIG. 1
- in perspective, a lifting device according to the invention;
- FIG. 2
- the rear view of the lifting device of
FIG. 1 ; - FIG. 3
- the side view of the lifting device of
FIG. 1 ; - FIG. 4
- the top view of the lifting device of
FIG. 1 ,
Die in der Zeichnung dargestellte und insgesamt mit dem Bezugszeichen 1 versehene Hubvorrichtung dient vornehmlich aber nicht ausschließlich dem Anheben und Absenken von schweren Lasten in industriellen Fertigungsanlagen, beispielsweise zum Heben und Senken von Fahrzeugkarosserien in der Fahrzeugfertigung. Sie umfaßt eine Ständerstruktur 2, die einen als Bodenstruktur dienenden horizontalen Bodenbalken 3, zwei vertikal verlaufende Säulen 4 und 5 sowie eine am oberen Ende der Säulen 4 und 5 befestigte, horizontal nach vorne auskragende Oberstruktur 21 mit zwei parallelen Auslegern 7 und 8 besitzt. Die Ständerstruktur 2 ist durch Streben 9, 10, die vom Bodenbalken 3 schräg nach oben zu einer zwei Platten umfassenden, etwas nach hinten überragenden Verbindungsstruktur 11, 12 laufen, fachwerkartig verstärkt.The illustrated in the drawing and provided with the
Die Verbindungsstrukturen 11, 12 ragen auch etwas nach oben über die Ausleger 7, 8 über. Schräg verlaufende Streben 13, 14 sowie 15, 16 erstrecken sich von dem oberen Bereich der hinteren Verbindungsstrukturen 11, 12 zu weiteren an den vorderen Enden der Ausleger 7, 8 angebrachten Verbindungsstrukturen 17, 18. Die hinteren Verbindungsstrukturen 11, 12 sind durch einen horizontalen Träger 19 und die vorderen Verbindungsstrukturen 17, 18 durch einen horizontalen Träger 20 miteinander verbunden. Insgesamt bilden die Ausleger 7, 8 sowie die Träger 19, 20 mit Hilfe der Verbindungsstrukturen 11, 12, 17, 18 und den versteifenden Streben 13, 14, 15, 16 die in Abstand über dem Raumboden angeordnete, stabile Oberstruktur 21.The
Der horizontale Bodenbalken 3 ist mit den Säulen 4 und 5 über untere Verbindungsstrukturen 22, 23 verbunden, die an dem Raumboden anliegende Flansche 25, 26 aufweisen. Die gesamte Ständerstruktur 2 läßt sich mit Schrauben 27, welche durch die Flansche 25, 26 hindurchgeführt sind, auf dem Raumboden befestigen.The
Oberhalb des Bodenbalkens 3 und parallel zu diesem erstreckt sich eine Hubtrommel 8 durch die unteren Verbindungsstrukturen 22 hindurch. Sie ist an dem in
Auf die Hubtrommel 28 sind insgesamt sechs metallische als flexible Zugmittel dienende Bänder 32, 33, 34, 35, 36, 37 in unterschiedlichen axialen Positionen durch Verdrehen mehr oder weniger aufwickelbar bzw, von der Hubtrommel 28 abwickelbar.On the
Zwei dieser Bänder 32, 33 sind auf demjenigen axialen Bereich der Hubtrommel 28 aufwickelbar, der in
In entsprechender, im wesentlichen spiegelsymmetrischer Weise sind die Bänder 34, 35 in demjenigen axialen Bereich der Hubtrommel 28 gelagert, welcher über die rechte untere Verbindungsstruktur 23 in
Der Hubrahmen 40 selbst besteht aus zwei im wesentlichen L-förmigen Seitenteilen 44, 45, die so liegend angeordnet sind, daß die längeren Schenkel des L horizontal und die kürzeren Schenkel jeweils vertikal verlaufen. Die vorderen Enden der Seitenteile 44, 45 sind durch eine horizontale Strebe 46 und die oberen Enden der vertikalen, kurzen Schenkel der Seitenteile 44, 45 durch eine weitere horizontale Strebe 47 miteinander verbunden. Von den oberen Enden der vertikalen Schenkel der Seitenteile 44, 45 erstrecken sich außerdem kurze Führungsansätze 48, 49 nach hinten, die an ihrer Innenseite mit in der Zeichnung nicht erkennbaren Führungsrollen versehen sind. Diese Führungsrollen greifen in Schlitze 52 ein, die in die Außenseiten der Säulen 4, 5 eingearbeitet sind und sich im wesentlichen über deren gesamte Länge erstrecken.The lifting
In demjenigen axialen Bereich der Hubtrommel 28, der zwischen den unteren Verbindungsstrukturen 22, 23 liegt, sind, diesen jeweils benachbart, sind zwei weitere Bänder 36, 37 aufwickelbar. Dies geschieht jedoch in entgegengesetztem Drehsinn wie bei den außen liegenden, die Hubplattform 40 haltenden Bändern 32, 33, 34, 35. Die Bänder 36, 37 erstrecken sich von der Hubtrommel 28 nach oben zu Umlenkrollen 50 bzw. 51, die an den Innenseiten der hinteren Enden der Ausleger 7, 8 drehbar gelagert sind. Von dort verlaufen die Bänder 36, 37 wieder nach unten. Ihre Enden sind an den gegenüberliegenden Enden des oberen Randes eines plattenförmigen Gegengewichtes 60 festgelegt.In that axial region of the lifting
Die oben beschriebene Hubvorrichtung 1 arbeitet wie folgt:The
An dem Hubrahmen 40 wird der anzuhebende bzw. abzusenkende Gegenstand in geeigneter Weise befestigt. In
Gleichzeitig werden die Bänder 36, 37 auf Grund ihres umgekehrten Wickelsinnes auf die Hubtrommel 28 aufgewickelt, wodurch das Ausgleichsgewicht 60 in entsprechender Weise angehoben wird.At the same time, the
Die in der Praxis einzigen gelegentlich wartungs- oder reparaturbedürftigen Elemente sind der Getriebemotor 30 und allenfalls die Hubtrommel 28. Auf Grund der Anordnung dieser Elemente in der Nähe des Bodenbalkens 3 sind sie jederzeit leicht zugänglich, so daß die diesbezüglichen Arbeiten problemlos durchgeführt werden können.The only occasional maintenance or repair in practice elements are the geared
Claims (4)
- Lifting device for lifting and lowering a load havinga) a supporting structure, which comprises a bottom structure (3) capable of being fastened to a room floor and a top structure (21) connected to the bottom structure (3) and arranged at a vertical distance there-above;b) a lifting drum (28);c) a drive (30), by which the lifting drum (28) can be set in rotation in both directions;d) at least one flexible traction means (32 to 37), which is secured by one end to the lifting drum (28) and at the other end carries a holding arrangement (40) for the load;
whereine) it being possible for the flexible traction means (32 to 37) to be wound up on and unwound from the lifting drum (28) by rotation of the latter;f) the lifting drum (28) and the drive (30) are arranged in the vicinity of the bottom structure (3);g) the traction means (32 to 37) comprises a section extending from the lifting drum,(28) to the top structure (21) and is led over at least one deflection roller (38, 39, 41, 42, 43, 53) rotatably mounted on the top structure (21),
characterised in thath) the top structure (21) is connected by two columns (4, 5) to the bottom structure (3),i) the top structure (21) comprises two parallel cantilevers (7, 8), whichia) are fastened to the upper end of the columns (4, 5) by means of two rear connecting structures (11, 12), which extend upwardly beyond the cantilevers (7, 8) and which are connected to one another by means of a horizontal beam (19),ib) comprise at their opposite ends front connecting structures (17, 18) between which extends a horizontal beam (20),k) stiffening braces (13, 14, 15, 16) are provided which extend between the rear connecting structures (11, 12) and the front connecting structures (17, 18). - Lifting device according to Claim 1, characterised in that at least two flexible traction means (32, 33, 34, 35) are provided, of which one (32, 35) is led over only one deflection roller (38, 43) on the top structure (21) and the second is led over two deflection rollers (39, 41, 42, 53) on the top structure (21), between which there is a distance in the horizontal direction.
- Lifting device according to Claim 1 or 2, characterised in that at least one flexible traction means (32 to 37) is a band which can be wound up turn upon turn on the lifting drum (28).
- Lifting device according to Claim 3, characterised in that the band (32 to 37) is a metal band, preferably a steel band.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20040017707 EP1623951B1 (en) | 2004-07-27 | 2004-07-27 | Lifting device |
DE200450008319 DE502004008319D1 (en) | 2004-07-27 | 2004-07-27 | lifting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20040017707 EP1623951B1 (en) | 2004-07-27 | 2004-07-27 | Lifting device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1623951A1 EP1623951A1 (en) | 2006-02-08 |
EP1623951B1 true EP1623951B1 (en) | 2008-10-22 |
Family
ID=34925944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20040017707 Expired - Fee Related EP1623951B1 (en) | 2004-07-27 | 2004-07-27 | Lifting device |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1623951B1 (en) |
DE (1) | DE502004008319D1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101205455B1 (en) * | 2012-05-18 | 2012-11-28 | 유향미 | car for painting tank inner surface |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3143216A (en) * | 1961-01-16 | 1964-08-04 | Gus H Brunkan | Boom means |
DE2154709C3 (en) * | 1971-11-04 | 1981-04-09 | Erwin Mehne GmbH & Co, 7100 Heilbronn | Storage and retrieval vehicle |
US6305499B1 (en) * | 1998-09-30 | 2001-10-23 | Otis Elevator Company | Drum drive elevator using flat belt |
JP4253394B2 (en) * | 1999-03-15 | 2009-04-08 | オーチス エレベータ カンパニー | Winding type elevator |
AT500378B1 (en) * | 2001-06-13 | 2006-12-15 | Tgw Transportgeraete Gmbh | STACKER UNIT |
-
2004
- 2004-07-27 DE DE200450008319 patent/DE502004008319D1/en not_active Expired - Fee Related
- 2004-07-27 EP EP20040017707 patent/EP1623951B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE502004008319D1 (en) | 2008-12-04 |
EP1623951A1 (en) | 2006-02-08 |
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