EP1132329A2 - Vorrichtung zum Ausgleichen eines radialen Gewindespindelschlags eines Spindeltriebs - Google Patents
Vorrichtung zum Ausgleichen eines radialen Gewindespindelschlags eines Spindeltriebs Download PDFInfo
- Publication number
- EP1132329A2 EP1132329A2 EP01101674A EP01101674A EP1132329A2 EP 1132329 A2 EP1132329 A2 EP 1132329A2 EP 01101674 A EP01101674 A EP 01101674A EP 01101674 A EP01101674 A EP 01101674A EP 1132329 A2 EP1132329 A2 EP 1132329A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- bearing
- platform
- spindles
- spindle
- radial
- 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.)
- Granted
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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
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
- B66F7/14—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks screw operated
Definitions
- the invention relates to a device for compensating a radial Threaded spindle runout of a spindle drive in order to avoid blocking of the spindle drive when moving a platform, especially when Lifting the platform with objects in one device.
- spindle drives of the type mentioned, in which the platform by means of several bearing means arranged on it on several axially parallel Spindles mounted and along with the bearing means axially along the spindles is movable, and in which one of the spindles can be operated as rotating Threaded spindle is designed on which a spindle nut Bearing means is arranged, and one of the bearing means for radial play Compensation of the radial threaded spindle run has.
- EP-B1-0 024 944 discloses such a device for vertical lifting and Lowering a stack of flat objects (magnetic cards) in a card dispenser, wherein a platform or container carrying the stack by means of a a threaded spindle and a cylindrical shaft having a spindle drive in vertical lifting direction is movable, and the platform during its lifting movement by means of the spaced and axially parallel to the threaded spindle Cylindrical shaft is guided and secured against horizontal pivoting.
- the Platform is here by means of a spindle nut on the threaded spindle and by means of a bearing sleeve mounted on the straight shank.
- the spindle nut is in the form of a rectangular Block (calotte) in a pocket-shaped bearing cavity (in the area of a U-shaped Recess) on one of the sides of the platform loose, i.e. in one horizontally arranged radially freely movable around the threaded spindle.
- the horizontal or radial freedom of movement of the spindle nut to the platform is slightly larger than the radial runout of the threaded spindle.
- the disadvantage of this disclosed embodiment is that due to the use a single threaded spindle for lifting the stack-carrying platform, in the case of heavy stacks, tilting and thus jamming or jamming of the Platform on the cylindrical shaft or the threaded spindle can occur.
- Frictional forces due to surface friction between the spindle nut (calotte) and the Platform in the bearing cavity at the one caused by the spindle stroke horizontal, radial movement of the spindle nut against the platform on the one Jamming of the platform against the straight shank favor and a high Cause material abrasion at the bearing point.
- the invention is therefore based on the object of a device at the outset to create the type mentioned, which does not have these disadvantages mentioned, but a jam-free, precise and efficient lifting of a platform too guaranteed with heavy loads in an automatically operating device, and also has a simple, low-wear construction.
- the platform is essentially radial in a first bearing means Arranged without play on a first spindle, has a second bearing means radial bearing play on both sides of a second spindle, the radial linear to and away is provided extending from the first spindle, and are the third and further Storage means with radial all around effective bearing play around the assigned third and further spindles arranged; or point in an alternative Embodiment all of the bearing means arranged on the threaded spindles Platform on a radially effective bearing play all around.
- the object is also achieved with a device according to claim 7 solved in that the bearing means each concentrically around the spindle have arranged annular ball bearing, by means of which the radial bearing play between the platform and the spindles to balance the Threaded spindle impact can be generated with little friction.
- the ball bearings each have a first plane Lifting movement of a right-angled bearing shell and a second flat, parallel to the first aligned bearing shell, between those of one annular cage held, balls of the respective ball bearings freely rotatable are, the first bearing shell of the ball bearing rigid with an associated Spindle nut of the bearing means and the second bearing shell rigid with the platform connected is; or have the storage means in an alternative embodiment each an annular one arranged concentrically around a threaded spindle Ball bearing on which a first concave, ball-bearing bearing shell of the Ball bearing is rigidly connected to the spindle nut, and its second Bearing shell rigidly in a plane parallel to the first bearing shell the platform is connected and has a flat support side for the balls.
- Figure 1 to 5 refers to a preferred Embodiment of the inventive device for balancing a Threaded spindle impact in order to avoid blocking or jamming of a spindle drive 1 having a plurality of spindles, which for moving one a sheet stack S carrying platform 2 of a sheet storage magazine in one usual, not shown sheet processing device, such as one Copier is provided. From the one lying on the platform Sheet stacks are here by means of a conventional sheet removal / transport unit, not shown of the copier, one sheet at a time removable and one or more sheet processing stations of the copier feedable.
- the inventive device in other devices, such as in Output or input devices for cards or other stackable objects, as well as in printers, printers or sheet sorting devices.
- the upper bearing plate 51 has access to one Top of the sheet stack S by hand and / or by means of sheet removal - / Transport unit has a recess so that only an edge area of the U-shaped bearing plate remains.
- the platform 2 is on by means of four bearing means L1; L2; L3; L4 arranged on it assigned threaded spindles G1; G2; G3; G4, which according to FIG. 2 have different radial bearing play F1; F2 in the horizontal direction X; Y.
- the platform 2 together with the bearing means is axially along the spindles vertically movable in the direction of Z, for which all threaded spindles G1; G2; G3; G4 of Spindle drive 1 synchronously by means of a single microprocessor-controlled Drive unit 6 can be driven to rotate together.
- the drive unit 6 is from a conventional control unit and sensor unit (not shown) of the copying machine in their direction and duration of rotation controllable and has a drive motor 60 Drive pinion, and a drive belt 61 in which can be driven via the drive pinion Shape of a timing belt.
- the toothed belt 61 is around all pulleys 62 all around, in the area of the lower bearing plate 52 on the threaded spindles G1; G2; G3; G4 are arranged concentrically and rigidly connected to them.
- FIGS. 1 and 2 there is a first Storage means L1 of the platform 2 essentially radially free of play on a first one Spindle G1 arranged has a second bearing means L2, according to FIGS. 1 to 4a radial bearing clearance F1 on both sides of a second spindle G2 in the direction Y, that radially linear to and away from the first spindle G1 is provided, and 1, 2, 4b and 4c, the third and further bearing means L3, L4 with radial all-round effective bearing play F2 (in the direction X; Y) around the assigned third and further spindles G3, G4 arranged.
- the storage means L1; L2; L3; L4 of the platform 2 are in the inventive Embodiment as low-friction bearing means with radial play F1; F2 for Compensate for the radial runout of the rotating threaded spindles G1; G2; G3; G4 arranged such that relative radial movement of the rotating spindles G1; G2; G3; G4 to platform 2 with low friction or low effort is possible.
- F1; F2 for Compensate for the radial runout of the rotating threaded spindles G1; G2; G3; G4 arranged such that relative radial movement of the rotating spindles G1; G2; G3; G4 to platform 2 with low friction or low effort is possible.
- the bearing means L1; L2; L3; L4 one each arranged concentrically around the spindles G1; G2; G3; G4 annular ball bearing 3, by means of which the radial bearing play F1 and F2 between the platform 2 and the spindles to balance the Threaded spindle impact can be generated with little friction.
- the bearing shells 31; 32 have a flat contact width for the in the radial direction Balls 34 that are larger than the maximum radial, by the maximum Spindle stroke predetermined bearing clearance F1; F2, and surrounds the ball cage 33 the balls 34 an outer 33.1 and an inner 33.2 ring element in one concentric arrangement around the spindles G1; G2; G3; G4 and around the Spindle nuts M1; M2; M3; M4, with the inner ring element 33.2 one Has the inside diameter of an outside diameter of the spindle nut M1; M2; M3; M4 essentially corresponds.
- the bearing means have L1; L2; L3; L4 each concentrically around a threaded spindle G1; G2; G3; G4 arranged alternative annular ball bearing 4, which a first / lower has concave, ball-bearing shell 41 of the ball bearing 4, which is rigid with a associated spindle nut M1; M2; M3; M4 of the bearing means L1; L2; L3; L4 connected and its second / upper bearing shell 42 in a compared to the first Bearing shell 41, plane-parallel position is rigidly connected to the platform 2 and a flat support side for freely rotating balls 44 of the ball bearing 4 has.
- the arranged on the threaded spindles G1; G2; G3; G4, by rotating the Spindles with spindle nuts M1, M2, M3, and M4 which can be moved have, as in FIGS. 4a-4b shown, a cylindrical shape extending axially to the axis of rotation of the spindles or a cylindrical shaft, with a radial at the lower end of each spindle nut projecting cylindrical flange is mounted concentrically.
- Each upper / second annular bearing shell 32 of the ball bearing 33 is on one Underside of the platform 2, or its bearing points L1; L2; L3; L4, in the area of a Passage opening for the associated spindle G1; G2; G3; G4 in an annular Recess rigidly arranged, for example by a press fit from the outer circumference of the Bearing shell 32 on the inner circumference of the recess of the platform 2.
- the upper Bearing shell 32 of the ball bearing 3 and the spindle passage opening on the platform 2 have an inner diameter of their passage openings, the Radius by the amount of the required predetermined radial bearing clearance F1; F2 of the individual bearing points of the bearing means L1; L2; L3; L4 is larger than a radius of the outer diameter of the upper one, through the passage openings upwards projecting cylindrical shaft of the spindle nut M1; M2; M3; M4.
- the outer diameter of the upper cylindrical shaft of the spindle nut also serves for centering and guiding the inner ring element 33.2 of the ring-shaped Ball cage 33.
- a limitation of the radial bearing play F1; F2 between the bearing means 3; L2; L3; L4 of the bearing points or platform 2 and the spindles G2; G3; G4 or the spindle nuts M1; M2; M3; M4 is arranged on the platform 2 and on the spindle nuts acting radially on the outside limiting means 21; 22 of the Platform 2 can be effected, i.e. the inner edge of the spindle passage openings on the Bearing points L2; L3; L4 is used as limiting means 21; 22 for the radial bearing play F1; F2 trained.
- the spindle nuts M1; M2; M3; M4 and thus the Platform 2 is movable in a lifting movement up and down, i.e. the Spindle nuts do not turn with the threaded spindles G1; G2; G3; G4 the spindle nuts by means of holding means, e.g. in the form of retaining bolts 25 with the Bearing points L1; L2; L3; L4 or loosely coupled to platform 2 (see Fig. 3).
- the retaining bolt 25 is rigid with the cylindrical shaft of the Spindle nut M2; M3; M4 connected and protrudes with its opposite end, freely movable in the axial direction (according to bearing clearance F1) by a Guide bore on a web 26 of the platform or within the platform bearing point L2; L3; L4.
- the diameter of the guide bore is so large chosen that the radial bearing clearance F2 by the circular horizontal movement of the retaining bolt 25 is guaranteed.
- the depository is an exception L1 with spindle nut M1, since this spindle nut because of the predetermined play-free bearing point L1 with its cylindrical shaft rigid and directly with platform 2 can be connected.
- the limiting means 50 are, for example, in the form of ribs or webs as part of the spindle drive housing 5 and extend along the lifting movement over the entire lifting height of the platform 2.
- the spindles G1; G2; G3; G4 have a combination of threaded spindles and smooth cylindrical shafts or cylindrical columns, the cylindrical shafts for Guide and serve as anti-rotation and tilt protection for platform 2.
- the spindle nuts are replaced by guide sleeves.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Transmission Devices (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Turning (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Machine Tool Units (AREA)
Abstract
Description
- Fig. 1
- einen Spindeltrieb mit der erfindungsgemäßen Vorrichtung in einer räumlichen (schematischen) Darstellung durch einen Durchbruch eines Gehäuses gesehen,
- Fig. 2
- die erfindungsgemäße Vorrichtung nach Fig. 1 in einer Ansicht von oben und entlang einer Schnittlinie "A-A",
- Fig. 3
- die erfindungsgemäße Vorrichtung nach Fig. 2 in einer vergrößerten Teilansicht von oben und durch einen Durchbruch der Plattform hindurch,
- Fig. 4a
- die erfindungsgemäße Vorrichtung nach Fig. 2 & 3 in einer teilweise durchbrochenen Seitenansicht aus Richtung "C1",
- Fig. 4b
- die erfindungsgemäße Vorrichtung nach Fig. 2 & 3 in einer Seitenansicht aus Richtung "C2" entlang einer Schnittlinie "B-B",
- Fig. 4c
- die erfindungsgemäße Vorrichtung nach Fig. 4b mit einer alternativen Ausführungsform des Lagermittels mit konkaver, kugelführender Lagerschale am Kugellager,
- Fig. 5
- die erfindungsgemäße Vorrichtung nach Fig. 2 in einer alternativen Ausführungsform mit Begrenzungsmitteln zur Verhinderung einer horizontalen Bewegung der Plattform.
Claims (13)
- Vorrichtung zum Ausgleichen eines radialen Gewindespindelschlags eines Spindeltriebs (1) zwecks Vermeidung eines Blockierens des Spindeltriebs beim Hubbewegen einer Plattform (2), insbesondere beim Hubbewegen der Plattform mit Gegenständen (S) in einem Gerät, wobei die Plattform mittels mehrerer an ihr angeordneter Lagermittel (L1;L2;L3;L4) auf mehreren achsenparallelen Spindeln (G1;G2;G3;G4) gelagert und gemeinsam mit den Lagermitteln axial entlang den Spindeln hubbewegbar ist; dadurch gekennzeichnet, daß der Spindeltrieb (1) mindestens drei achsenparallele, rotierbare Gewindespindeln (G1,G2,G3,G4) mit Lagermitteln (L1;L2;L3;L4) mit unterschiedlichem oder gleichem radialen Lagerspiel (F1;F2) in einer Vieleckanordnung aufweist, und daß reibungsarme Lagermittel (L2;L3;L4) mit radialem Lagerspiel (F1;F2) zum Ausgleichen des radialen Schlags der rotierenden Gewindespindeln angeordnet sind, derart, daß eine relative, radiale Bewegung der rotierenden Spindeln zur Plattform (2) mit geringer Reibkraft möglich ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß ein erstes Lagermittel (L1) der Plattform (2) im wesentlichen radial spielfrei auf einer ersten Spindel (G1) angeordnet ist, ein zweites Lagermittel (L2) ein radiales Lagerspiel (F1) beidseitig einer zweiten Spindel (G2) aufweist, das radial linear zu und weg von der ersten Spindel (G1) verlaufend vorgesehen ist und das dritte und weitere Lagermittel (L3,L4) mit radialem rundum wirksamen Lagerspiel (F2) um die zugeordneten dritten und weiteren Spindeln (G3,G4) angeordnet sind.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß alle auf den Gewindespindeln (G1;G2;G3;G4) angeordnete Lagermittel (L1;L2;L3;L4) der Plattform (2) ein radial rundum wirksames Lagerspiel (F2) aufweisen.
- Vorrichtung nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die Lagermittel (L1;L2;L3;L4) jeweils ein konzentrisch um die Spindeln (G1;G2;G3;G4) herum angeordnetes ringförmiges Kugellager (3) aufweisen, mittels dem das radiale Lagerspiel (F1;F2) zwischen der Plattform (2) und den Spindeln zum Ausgleichen des Gewindespindelschlags reibungsarm erzeugbar ist.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß eine Begrenzung des radialen Lagerspiels (F1;F2) zwischen den Lagermitteln (L2;L3;L4) und den Spindeln (G2;G3;G4), mittels an der Plattform (2) angeordneten und an den Spindeln radial angreifenden Begrenzungsmitteln (21;22) bewirkbar ist.
- Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß zur Begrenzung des radialen Lagerspiels (F2) zwischen den Lagermitteln (L1;L2;L3;L4) und den Spindeln (G1;G2;G3;G4) und zur Vermeidung einer radialen Bewegung der Plattform (2) ortsfeste, geräteseitige Begrenzungsmittel (50) angeordnet sind, die rechtwinklig zur Hubbewegung an allen vier Seiten der Plattform (2) angreifen.
- Vorrichtung zum Ausgleichen eines radialen Gewindespindelschlags eines Spindeltriebs (1) zwecks Vermeidung eines Blockierens des Spindeltriebs beim Hubbewegen einer Plattform (2), insbesondere beim Hubbewegen der Plattform mit Gegenständen (S) in einem Gerät, wobei die Plattform mittels mehrerer an ihr angeordneter Lagermittel (L1;L2;L3;L4) auf mehreren achsenparallelen Spindeln (G1;G2;G3;G4) gelagert und gemeinsam mit den Lagermitteln axial entlang den Spindeln hubbewegbar ist, dadurch gekennzeichnet, daß die Lagermittel (L1;L2;L3;L4) jeweils ein konzentrisch um die Spindel (G1;G2;G3;G4) herum angeordnetes ringförmiges Kugellager (3) aufweisen, mittels dem ein radiales Lagerspiel (F1;F2) zwischen der Plattform (2) und den Spindeln zum Ausgleichen des Gewindespindelschlags reibungsarm erzeugbar ist.
- Vorrichtung nach Anspruch 4 oder 7, dadurch gekennzeichnet, daß die Kugellager (3) jeweils eine erste plane, zur Hubbewegung rechtwinklig ausgerichtete Lagerschale (31) und eine zweite plane, planparallel zur ersten ausgerichtete Lagerschale (32) aufweisen, zwischen denen, von einem ringförmigen Käfig (33;33.1;33.2) gehalten, Kugeln (34) der jeweiligen Kugellager frei drehbar gelagert sind, wobei die erste Lagerschale (31) der Kugellager (3) starr mit einer zugeordneten Spindelmutter (M1;M2;M3;M4) der Lagermittel (L1;L2;L3;L4) und die zweite Lagerschale (32) starr mit der Plattform (2) verbunden ist.
- Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß die Lagerschalen (31;32) in radialer Richtung eine plane Auflagebreite für die Kugeln (34) aufweisen, die größer als das maximale radiale, durch den maximalen Spindelschlag vorbestimmte Lagerspiel (F1;F2) ist, und daß der Kugelkäfig (33;33.1;33.2) um die Kugeln (34) ein äußeres (33.1) und ein inneres (33.2) Ringelement in einer konzentrischen Anordnung um die Spindeln (G1;G2;G3;G4) aufweist, wobei das innere Ringelement (33.2) einen Innendurchmesser hat, der einem Außendurchmesser der Spindelmutter (M1;M2;M3;M4) im wesentlichen entspricht.
- Vorrichtung nach Anspruch 4 oder 7, dadurch gekennzeichnet, daß die Lagermittel (L1;L2;L3;L4) jeweils ein konzentrisch um eine Gewindespindel (G1;G2;G3;G4) herum angeordnetes ringförmiges Kugellager (4) aufweisen, wobei eine erste konkave, kugelführende Lagerschale (41) des Kugellagers starr mit einer Spindelmutter (M1;M2;M3;M4) der Lagermittel (L1;L2;L3;L4) verbunden ist, und dessen zweite Lagerschale (42) in einer gegenüber der ersten Lagerschale (41), planparallelen Lage starr mit der Plattform (2) verbunden ist und eine plane Auflageseite für Kugeln (44) des Kugellagers (4) aufweist.
- Vorrichtung nach den Ansprüchen 1 bis 10, dadurch gekennzeichnet, daß alle Gewindespindeln (G1;G2;G3;G4) des Spindeltriebs (1) synchron mittels einer einzigen mikroprozessorgesteuerten Antriebseinheit (6) gemeinsam antreibbar sind, und daß der Spindeltrieb (1) mit seiner Plattform (2) eine vertikal gerichtete Hubbewegung aufweist.
- Vorrichtung nach den Ansprüchen 1 bis 11, dadurch gekennzeichnet, daß die Gegenstände (S) plattenförmig oder blattförmig ausgebildet und auf der Plattform (2) stapelbar und von dieser entnehmbar sind; und daß das Gerät als ein Blattverarbeitungsgerät, insbesondere als ein Kopiergerät ausgeführt ist.
- Vorrichtung nach den Ansprüchen 1 bis 11, dadurch gekennzeichnet, daß die Spindeln (G1;G2;G3;G4) eine Kombination aus Gewindespindeln und Zylinderschäften aufweisen, wobei die Zylinderschäfte zur Führung und als Verdrehschutz und Verkippschutz für die Plattform (2) dienen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2000108908 DE10008908A1 (de) | 2000-02-25 | 2000-02-25 | Vorrichtung zum Ausgleichen eines radialen Gewindespindelschlags eines Spindeltriebs |
DE10008908 | 2000-02-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1132329A2 true EP1132329A2 (de) | 2001-09-12 |
EP1132329A3 EP1132329A3 (de) | 2004-03-17 |
EP1132329B1 EP1132329B1 (de) | 2009-06-24 |
Family
ID=7632406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01101674A Expired - Lifetime EP1132329B1 (de) | 2000-02-25 | 2001-01-30 | Vorrichtung zum Ausgleichen eines radialen Gewindespindelschlags eines Spindeltriebs |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1132329B1 (de) |
JP (1) | JP2001270692A (de) |
AT (1) | ATE434584T1 (de) |
DE (2) | DE10008908A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114890336A (zh) * | 2022-04-15 | 2022-08-12 | 中交第四公路工程局有限公司 | 一种钢结构部件运转装置及运转方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4012946B2 (ja) * | 2003-08-21 | 2007-11-28 | ▲高▼田 嘉宏 | 攪拌機用昇降装置 |
CN104444943A (zh) * | 2014-11-26 | 2015-03-25 | 哈尔滨工程大学 | 用于离心风机的可移动升降台 |
CN112194045A (zh) * | 2020-10-15 | 2021-01-08 | 刘玉 | 一种太阳能电板安装运输用升降机构 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2417645A1 (de) | 1974-04-10 | 1975-10-30 | Rietbergwerke Kg | Foerdervorrichtung, insbesondere zum heben von lasten |
EP0024944B1 (de) | 1979-09-04 | 1985-01-09 | Standard Change-Makers, Inc. | Ausgabegerät für magnetische Karten |
DE3514804A1 (de) | 1985-04-24 | 1986-11-06 | Hartmut Dipl.-Ing. 8013 Haar Kosche | Hubvorrichtung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB621020A (en) * | 1944-03-30 | 1949-04-04 | Julio Villars | Improvements in or relating to apparatus for lifting vehicles |
FR53985E (fr) * | 1945-02-26 | 1947-01-14 | Appareil de levage | |
DD141129A1 (de) * | 1979-02-01 | 1980-04-16 | Rainer Hradetzky | Verfahren und einrichtung zur steuerung des zumessens von mischungsbestandteilen |
DE2906172C2 (de) * | 1979-02-17 | 1984-04-12 | Gebr. Hofmann Gmbh & Co Kg Maschinenfabrik, 6100 Darmstadt | Sicherheitseinrichtung für eine spindelbetriebene Hebeeinrichtung, insbesondere Zwei-Säulen-Kraftfahrzeug-Hebebühne |
DD238601A1 (de) * | 1985-06-24 | 1986-08-27 | Fortschritt Veb K | Spindelmutter |
CH674977A5 (en) * | 1987-10-14 | 1990-08-15 | Kurt Ruenzi | Sheet separating paper stacker for photocopier - has horizontal table movable vertically in housing supported by four clamps secured at vertical section of wire rope |
DE4343685C2 (de) * | 1993-12-21 | 1996-05-23 | Nussbaum Otto Gmbh Co Kg | Absturzsicherung und Haltevorrichtung für eine Hubvorrichtung |
DE19960654A1 (de) * | 1999-12-15 | 2001-06-28 | Hiller & Lutz Gmbh & Co | Hebevorrichtung |
-
2000
- 2000-02-25 DE DE2000108908 patent/DE10008908A1/de not_active Withdrawn
-
2001
- 2001-01-30 DE DE50114943T patent/DE50114943D1/de not_active Expired - Lifetime
- 2001-01-30 EP EP01101674A patent/EP1132329B1/de not_active Expired - Lifetime
- 2001-01-30 AT AT01101674T patent/ATE434584T1/de not_active IP Right Cessation
- 2001-02-26 JP JP2001050994A patent/JP2001270692A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2417645A1 (de) | 1974-04-10 | 1975-10-30 | Rietbergwerke Kg | Foerdervorrichtung, insbesondere zum heben von lasten |
EP0024944B1 (de) | 1979-09-04 | 1985-01-09 | Standard Change-Makers, Inc. | Ausgabegerät für magnetische Karten |
DE3514804A1 (de) | 1985-04-24 | 1986-11-06 | Hartmut Dipl.-Ing. 8013 Haar Kosche | Hubvorrichtung |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114890336A (zh) * | 2022-04-15 | 2022-08-12 | 中交第四公路工程局有限公司 | 一种钢结构部件运转装置及运转方法 |
CN114890336B (zh) * | 2022-04-15 | 2023-07-04 | 中交第四公路工程局有限公司 | 一种钢结构部件运转装置及运转方法 |
Also Published As
Publication number | Publication date |
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EP1132329A3 (de) | 2004-03-17 |
JP2001270692A (ja) | 2001-10-02 |
ATE434584T1 (de) | 2009-07-15 |
DE10008908A1 (de) | 2001-08-30 |
DE50114943D1 (de) | 2009-08-06 |
EP1132329B1 (de) | 2009-06-24 |
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