EP0684206B1 - Hand or motor-driven hoisting device - Google Patents

Hand or motor-driven hoisting device Download PDF

Info

Publication number
EP0684206B1
EP0684206B1 EP19950810326 EP95810326A EP0684206B1 EP 0684206 B1 EP0684206 B1 EP 0684206B1 EP 19950810326 EP19950810326 EP 19950810326 EP 95810326 A EP95810326 A EP 95810326A EP 0684206 B1 EP0684206 B1 EP 0684206B1
Authority
EP
European Patent Office
Prior art keywords
lifting
shaft
brake
lifting gear
driving
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 - Lifetime
Application number
EP19950810326
Other languages
German (de)
French (fr)
Other versions
EP0684206A1 (en
Inventor
Anton Grob
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grapha Holding AG
Original Assignee
Grapha Holding AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grapha Holding AG filed Critical Grapha Holding AG
Publication of EP0684206A1 publication Critical patent/EP0684206A1/en
Application granted granted Critical
Publication of EP0684206B1 publication Critical patent/EP0684206B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/04—Driving gear manually operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/14—Power transmissions between power sources and drums or barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/18—Power-operated hoists
    • B66D3/20—Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing

Definitions

  • the invention relates to a hand or motor operated Hoists, such as pulley blocks or electric hoists, whose load carriers via a lifting gear having a drive roller at the output end is non-positively connected to a drive element, wherein the drive shaft of the drive member is the hub of a drive wheel of the lifting gear coaxially penetrates.
  • Lifting devices of this type are used, among other things, in warehouses and workshops or repair and service companies as well as for handling goods with a lower weight.
  • Such hoists are often attached to a frame that can be moved on a crane runway, a so-called trolley, or are movably arranged on a pivotable boom designed as a crane runway.
  • Hall cranes, gantry cranes, construction cranes etc. are also equipped with such hoists.
  • hoists Due to the universal use of such hoists, practical handling and a compact design with high reliability are required. In addition, it is important that these hoists have an even weight distribution compared to the suspension device, especially if they are attached to a hook-like device or an eyelet.
  • a hoist with the features mentioned above is disclosed EP - A - 0 284 807 as an electric train with a housing, in an electric motor with a sliding anchor for ventilation a braking device, and a reduction or. Lifting gear is arranged. On an output shaft as a spur gear trained lifting gear is a chain sprocket attached, partially by a load carrier from chain links is entwined. The actuation of the braking device takes place by axially moving the armature by means of a compression spring in the de-energized state of the electric motor. Due to the lack Self-locking of the helical gear unit with hanging load high reliability is placed on the braking device.
  • the object of the present invention is to provide a hoist to perform the type mentioned above, the above-mentioned Have advantages and their construction a high level of operational reliability guaranteed.
  • the Drive shaft as a worm shaft provided as a lifting gear Worm gear is designed, being as a drive member a manual drive in the form of a reel wheel or Motors, preferably electric motors, can be used.
  • a manual drive in the form of a reel wheel or Motors preferably electric motors.
  • the coupling part attached to the hollow shaft forms expediently the driven part of a lifting brake, the one connected to the housing of the lifting gear stationary part is completed.
  • the design according to the invention allows the lifting brake to be designed as a disc, band or shoe brake.
  • the drive shaft is preferably on that of the drive member opposite end in the in the housing of the jack stored hollow shaft.
  • FIG. 1 to 3 show a hoist designated 1 for lifting loads by means of a chain designed as a load carrier 2, of which two chain links 3 engaging in the driven chain sprocket 4 determined as the drive roller 4 can be seen in FIG. 2.
  • the chain sprocket 4 is part of a gear shaft 5, which is firmly connected to a driven wheel — here worm wheel 6 of a worm gear 7.
  • the gear shaft 5 is supported at both ends in a housing 8 of the worm gear 7, which is referred to as a lifting gear 9.
  • Reference number 10 shows a so-called chain detaching tongue which separates the chain strands (not shown).
  • Fig. 1 shows the hoist 1 in its essential parts.
  • the worm shaft 16 is designed as a hollow shaft 17, which is coaxially penetrated by the drive shaft 11.
  • the bearing of the drive shaft is provided on the one hand at the front ends of the motor 12 and at the opposite end in the hollow shaft 17, which in turn is mounted in the housing 8 of the lifting gear 9.
  • seals 18 are provided for sealing the housing 8 of the lifting gear.
  • the housing 8 of the lifting gear 9 ends in a flange-like manner for fastening a disc brake 19 and electrical control parts (not visible) which are protected by a cover 20 which can be screwed onto the housing 8.
  • the two-part friction clutch 14 fastened to the ends of the drive shaft 11 and the hollow shaft 17 has an axially immovable first coupling part 21 which is wedged onto the hollow shaft 17 and a second coupling part 22 which is also axially displaceably fastened to the drive shaft 11, both of which have an annular shape are and the mutually facing end faces are provided with clutch linings 23.
  • a permanent frictional engagement of the coupling parts 21, 22 forms a compression spring 24 clamped behind the second coupling part 22, the effect of which can be adjusted by a nut 25 on an extension of the drive shaft 11 designed as a thread 26.
  • a lock nut 27 secures nut 25.
  • the lifting brake designed as a disc or multi-disc brake 19 consists of a stationary part 28 as a housing in which annular plates 29 are anchored against rotation and the first coupling part 21, which forms the hub of a driven plate 30 immersed between the stationary plates 29.
  • a bushing 31 also shown in FIG.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Gear Transmission (AREA)

Description

Die Erfindung betrifft ein hand- oder motorisch betriebenes Hebezeug, wie Flaschenzüge oder Elektrozüge, dessen Lasträger über ein am Abtriebsende eine Antriebsrolle aufweisenden Hubgetriebe mit einem Antriebsorgan kraftschlüssig verbunden ist, wobei die Antriebswelle des Antriebsorgans die Nabe eines Antriebsrades des Hubgetriebes koaxial durchsetzt.The invention relates to a hand or motor operated Hoists, such as pulley blocks or electric hoists, whose load carriers via a lifting gear having a drive roller at the output end is non-positively connected to a drive element, wherein the drive shaft of the drive member is the hub of a drive wheel of the lifting gear coaxially penetrates.

Hebezeuge dieser Art werden u.a. in Lager- und Werkstätten bzw. Reparatur- und Servicebetrieben sowie zum Umschlag von Waren mit geringerem Gewicht verwendet.
Dabei sind solche Hebezeuge oft an einem an einer Kranbahn verfahrbaren Gestell, einer sog. Laufkatze befestigt oder einem als Kranbahn ausgebildeten schwenkbaren Ausleger fahrbar angeordnet.
Auch Hallenkrane, Portalkrane, Baukrane etc. sind mit derartigen Hebezeugen ausgerüstet.Lifting devices of this type are used, among other things, in warehouses and workshops or repair and service companies as well as for handling goods with a lower weight.
Such hoists are often attached to a frame that can be moved on a crane runway, a so-called trolley, or are movably arranged on a pivotable boom designed as a crane runway.
Hall cranes, gantry cranes, construction cranes etc. are also equipped with such hoists.

Aufgrund des universellen Einsatzes solcher Hebezeuge sind ein zweckmässiges Handling und eine kompakte Bauweise bei hoher Zuverlässigkeit gefragt.
Überdies ist es von Bedeutung, dass diese Hebezeuge eine gegenüber der Aufhängeeinrichtung gleichmässige Eigengewichtsverteilung aufweisen, insbesondere wenn sie an einer hakenähnlichen Vorrichtung oder einer Oese hängend befestigt werden.Due to the universal use of such hoists, practical handling and a compact design with high reliability are required.
In addition, it is important that these hoists have an even weight distribution compared to the suspension device, especially if they are attached to a hook-like device or an eyelet.

Ein Hebezeug mit den eingangs erwähnten Merkmalen offenbart die EP - A - 0 284 807 als Elektrozug mit einem Gehäuse, in dem ein Elektromotor mit einem Verschiebeanker zur Lüftung einer Bremseinrichtung, und ein Untersetzungs- resp. Hubgetriebe angeordnet ist. An einer Abtriebswelle des als Stirnradgetriebe ausgebildeten Hubgetriebes ist eine Kettennuss befestigt, die von einem Lastträger aus Kettengliedern teilweise umschlungen ist. Die Betätigung der Bremseinrichtung erfolgt durch axiales Verschieben des Ankers durch eine Druckfeder im stromlosen Zustand des Elektromotors. Durch die mangelnde Selbsthemmung des Stirnradgetriebes bei hängender Last ist eine hohe Zuverlässigkeit an die Bremseinrichtung gestellt.A hoist with the features mentioned above is disclosed EP - A - 0 284 807 as an electric train with a housing, in an electric motor with a sliding anchor for ventilation a braking device, and a reduction or. Lifting gear is arranged. On an output shaft as a spur gear trained lifting gear is a chain sprocket attached, partially by a load carrier from chain links is entwined. The actuation of the braking device takes place by axially moving the armature by means of a compression spring in the de-energized state of the electric motor. Due to the lack Self-locking of the helical gear unit with hanging load high reliability is placed on the braking device.

Aufgabe der vorliegenden Erfindung ist es, ein Hebezeug nach der eingangs genannten Art auszuführen, die die oben erwähnten Vorteile aufweisen und deren Konstruktion eine hohe Betriebssicherheit gewährleistet.The object of the present invention is to provide a hoist to perform the type mentioned above, the above-mentioned Have advantages and their construction a high level of operational reliability guaranteed.

Erfindungsgemäss wird diese Aufgabe dadurch gelöst, dass die Antriebswelle als Schneckenwelle eines als Hubgetriebe vorgesehenen Schneckengetriebes ausgebildet ist, wobei als Antriebsorgan ein Handantrieb in Form eines Haspelrades oder Motors, vorzugsweise Elektromotors, verwendet werden kann. Diese Lösungsform gestattet eine kompakte Bauweise, die Möglichkeit der direkten Einwirkung einer Bremse auf die Last und den Aufbau des Hebezeuges auf bewährten Bauelementen, wobei die Möglichkeit besteht, das Schneckengetriebe ein- oder mehrgängig auszubilden, sodass durch die Selbsthemmung die Bremswirkung begünstigt werden kann.According to the invention, this object is achieved in that the Drive shaft as a worm shaft provided as a lifting gear Worm gear is designed, being as a drive member a manual drive in the form of a reel wheel or Motors, preferably electric motors, can be used. This form of solution allows a compact design, the possibility the direct action of a brake on the load and the construction of the hoist on proven components, whereby the worm gear can be single or multi-speed train so that the self-locking effect can be favored.

Überdies bildet der an der Hohlwelle befestigte eine Kupplungsteil zweckmässig den angetriebenen Teil einer Hubbremse, die durch einen mit dem Gehäuse des Hubgetriebes verbundenen stationären Teil vervollständigt wird.Furthermore, the coupling part attached to the hollow shaft forms expediently the driven part of a lifting brake, the one connected to the housing of the lifting gear stationary part is completed.

Die erfindungsgemässe Ausführung gestattet es,, die Hubbremse als Scheiben-, Band- oder Backenbremse auszubilden.The design according to the invention allows the lifting brake to be designed as a disc, band or shoe brake.

Auf einfache Weise bilden der der Schneckenwelle des Schnekkengetriebes zugeordnete Kupplungsteil der Reibungskupplung mittels einer ringförmigen Stirnseite mit dem an der Antriebswelle befestigten, von einer Druckfeder beaufschlagten anderen Kupplungsteil einen verstellbaren Reibungsschluss.Form the worm shaft of the worm gear in a simple manner assigned clutch part of the friction clutch by means of an annular end face with that on the drive shaft attached others loaded by a compression spring Coupling part an adjustable friction lock.

Vorzugsweise ist die Antriebswelle an dem von dem Antriebsorgan gegnüberliegenden Ende in der in dem Gehäuse des Hubgetriebe lagernden Hohlwelle gelagert.The drive shaft is preferably on that of the drive member opposite end in the in the housing of the jack stored hollow shaft.

Nachfolgend ist das erfindungsgemässe Hebezeug unter Bezugnahme auf die Zeichnung, auf die bezüglich aller in der Beschreibung nicht näher erwähnten Einzelheiten ausdrücklich verwiesen wird, erläutert. Es zeigen:

Fig. 1
einen Längsschnitt durch das erfindungsgemässe Hebezeug gemäss Linie I - I in Fig. 2,
Fig. 2
einen Querschnitt gemäss Linie II - II in Fig. 1 und
Fig. 3
eine Seitenansicht gemäss Pfeil A in Fig. 1.
The lifting device according to the invention is explained below with reference to the drawing, to which express reference is made to all details not mentioned in the description. Show it:
Fig. 1
2 shows a longitudinal section through the hoist according to the invention according to line I - I in FIG. 2,
Fig. 2
a cross section along the line II - II in Fig. 1 and
Fig. 3
2 shows a side view according to arrow A in FIG. 1.

Die Fig. 1 bis 3 zeigen ein mit 1 bezeichnetes Hebezeug zum Anheben von Lasten mittels einer als Lastträger 2 ausgebildeten Kette, von welcher in Fig. 2 zwei in die als Antriebsrolle bestimmte, angetriebene Kettennuss 4 eingreifende Kettenglieder 3 erkennbar sind. Die Kettennuss 4 ist Teil einer Getriebewelle 5, die mit einem getriebenen Rad -hier Schneckenrad 6 eines Schneckengetriebes 7- fest verbunden ist. Die Getriebewelle 5 lagert mit beiden Enden in einem Gehäuse 8 des gesamthaft als Hubgetriebe 9 bezeichneten Schneckengetriebes 7. Mit Bezugszeichen 10 ist eine sog. Kettenablösezunge dargestellt, die die nicht dargestellten Kettenstränge trennt.
Fig. 1 zeigt das Hebezeug 1 in den wesentlichen Teilen. Die Antriebswelle 11 eines Motors 12 -hier Elektromotor-, dessen Motorgehäuse 13 mit dem Gehäuse 8 des Hubgetriebes 9 verbunden ist, durchsetzt letzteres und endet etwa an einer Reibungskupplung 14, die die Antriebswelle 11 mit dem Antriebsrad 15 -hier Schneckenwelle 16- des Hubgetriebes 9 verbindet. Die Schneckenwelle 16 ist als Hohlwelle 17 ausgebildet, welche von der Antriebswelle 11 koaxial durchsetzt wird. Die Lagerung der Antriebswelle ist einerseits an den stirnseitigen Enden des Motors 12 und am gegenüberliegenden Ende in der Hohlwelle 17 vorgesehen, die ihrerseits im Gehäuse 8 des Hubgetriebes 9 gelagert ist. An den Übergangsstellen von Motor 12 und Hubgetriebe 9 sowie auf der gegenüberliegenden Seite sind zur Abdichtung des Gehäuses 8 des Hubgetriebes 9 Wellendichtungen 18 vorgesehen. Auf der Seite der Reibungskupplung 14 endet das Gehäuse 8 des Hubgetriebes 9 flanschartig zur Befestigung einer Scheibenbremse 19 und elektrischer Steuerteile (nicht ersichtlich) die durch einen am Gehäuse 8 verschraubbaren Deckel 20 geschützt sind. Die an den Enden der Antriebswelle 11 und der Hohlwelle 17 befestigte, zweiteilige Reibungskupplung 14, weist einen auf die Hohlwelle 17 aufgekeilten, axial unverschieblichen ersten Kupplungsteil 21 und einen ebenso auf der Antriebswelle 11 jedoch axial verschiebbar befestigten zweiten Kupplungsteil 22 auf, die beide ringförmig ausgebildet sind und deren einander zugewendeten Stirnseiten mit Kupplungsbelägen 23 versehen sind. Ein permanenter Reibungsschluss der Kupplungsteile 21,22 bildet eine hinter dem zweiten Kupplungsteil 22 eingespannte Druckfeder 24, die durch eine Mutter 25 auf einer als Gewinde 26 ausgebildeten Verlängerung der Antriebswelle 11 hinsichtlich Wirkung verstellbar ist. Eine Gegenmutter 27 sichert Mutter 25.
Die als Scheiben- oder Lamellenbremse 19 ausgebildete Hubbremse besteht aus einem stationären Teil 28 als Gehäuse, in welchem ringförmige Lamellen 29 gegen Verdrehen verankert sind und dem ersten Kupplungsteil 21, der die Nabe einer zwischen die stationären Lamellen 29 eintauchende angetriebene Lamelle 30 bildet. Zur bremswirksamen Betätigung der Lamellen 29,30 ist eine auch in Fig. 3 dargestellte Buchse 31 vorgesehen, die an dem flanschartigen Gehäuseende um eine senkrechte Achse schwenkbar befestigt ist und durch einen magnetisch wirksamen Bremslüfter 32 mittels Hebel 33 aus der Bremslage versetzt wird. Das Betätigen der Bremse erfolgt mittels einer nicht näher dargestellten Druckfeder, die zwischen Hebel 33 und Gehäuse 8 des Hubgetriebes 9 eingespannt ist.1 to 3 show a hoist designated 1 for lifting loads by means of a chain designed as a load carrier 2, of which two chain links 3 engaging in the driven chain sprocket 4 determined as the drive roller 4 can be seen in FIG. 2. The chain sprocket 4 is part of a gear shaft 5, which is firmly connected to a driven wheel — here worm wheel 6 of a worm gear 7. The gear shaft 5 is supported at both ends in a housing 8 of the worm gear 7, which is referred to as a lifting gear 9. Reference number 10 shows a so-called chain detaching tongue which separates the chain strands (not shown).
Fig. 1 shows the hoist 1 in its essential parts. The drive shaft 11 of a motor 12, here an electric motor, the motor housing 13 of which is connected to the housing 8 of the lifting gear 9, passes through the latter and ends approximately at a friction clutch 14 which connects the drive shaft 11 with the drive wheel 15, here worm shaft 16 of the lifting gear 9 connects. The worm shaft 16 is designed as a hollow shaft 17, which is coaxially penetrated by the drive shaft 11. The bearing of the drive shaft is provided on the one hand at the front ends of the motor 12 and at the opposite end in the hollow shaft 17, which in turn is mounted in the housing 8 of the lifting gear 9. At the transition points between the motor 12 and the lifting gear 9 and on the opposite side 9 shaft seals 18 are provided for sealing the housing 8 of the lifting gear. On the side of the friction clutch 14, the housing 8 of the lifting gear 9 ends in a flange-like manner for fastening a disc brake 19 and electrical control parts (not visible) which are protected by a cover 20 which can be screwed onto the housing 8. The two-part friction clutch 14 fastened to the ends of the drive shaft 11 and the hollow shaft 17 has an axially immovable first coupling part 21 which is wedged onto the hollow shaft 17 and a second coupling part 22 which is also axially displaceably fastened to the drive shaft 11, both of which have an annular shape are and the mutually facing end faces are provided with clutch linings 23. A permanent frictional engagement of the coupling parts 21, 22 forms a compression spring 24 clamped behind the second coupling part 22, the effect of which can be adjusted by a nut 25 on an extension of the drive shaft 11 designed as a thread 26. A lock nut 27 secures nut 25.
The lifting brake designed as a disc or multi-disc brake 19 consists of a stationary part 28 as a housing in which annular plates 29 are anchored against rotation and the first coupling part 21, which forms the hub of a driven plate 30 immersed between the stationary plates 29. For the brake-effective actuation of the disks 29, 30, a bushing 31, also shown in FIG. 3, is provided, which is pivotally attached to the flange-like housing end about a vertical axis and is displaced from the braking position by a magnetically active brake fan 32 by means of lever 33. The brake is actuated by means of a compression spring, not shown, which is clamped between the lever 33 and the housing 8 of the lifting gear 9.

Claims (4)

  1. A manually- or motor-operated hoist (1), such as a pulley block or an electric hoist, the load carrier (2) of which is non-positively connected to a driving element via a lifting gear mechanism (9) comprising a driving roller (4) at its driven end, wherein the driving shaft (11) of the driving element passes coaxially through the hub of a driving wheel (15) of the lifting gear mechanism (9), characterised in that the driving wheel (15) of the lifting gear mechanism (9) is constructed as a hollow worm shaft (16) of a worm gear pair.
  2. A hoist according to claim 1, characterised in that a clutch part (21) fixed to the hollow worm shaft (16) is constructed as part of a lifting brake (19).
  3. A hoist according to claim 2, characterised in that the lifting brake (19) is constructed as a disc brake or band brake.
  4. A hoist according to any one of claims 1 to 3, characterised in that at its end remote from the driving element the driving shaft (11) is mounted in the worm shaft (16) which is disposed in a housing (8) of the lifting gear mechanism (9).
EP19950810326 1994-05-26 1995-05-17 Hand or motor-driven hoisting device Expired - Lifetime EP0684206B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH163294 1994-05-26
CH01632/94A CH687874A5 (en) 1994-05-26 1994-05-26 Hand- or motor-operated hoist.
CH1632/94 1994-05-26

Publications (2)

Publication Number Publication Date
EP0684206A1 EP0684206A1 (en) 1995-11-29
EP0684206B1 true EP0684206B1 (en) 2000-07-26

Family

ID=4214989

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950810326 Expired - Lifetime EP0684206B1 (en) 1994-05-26 1995-05-17 Hand or motor-driven hoisting device

Country Status (3)

Country Link
EP (1) EP0684206B1 (en)
CH (1) CH687874A5 (en)
DE (1) DE59508596D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19927847C1 (en) * 1999-06-18 2000-10-12 Hoffmann Foerdertechnik Gmbh W Braked coupling system for electric chain winch has friction clutch between electric drive motor and drive and braking device acting on input shaft of drive for direct braking of raised load

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR572415A (en) * 1923-01-11 1924-06-05 Improvements to elevators or chain hoists
DE1431962A1 (en) * 1967-01-20 1969-05-29 Hoffmann & Co Kg Chain winch driven by an electric motor
JPS5939694A (en) * 1982-08-25 1984-03-05 株式会社キト− Traction device combining winding
DE3710332C1 (en) * 1987-03-28 1988-07-21 Stahl R Foerdertech Gmbh Electric train

Also Published As

Publication number Publication date
DE59508596D1 (en) 2000-08-31
EP0684206A1 (en) 1995-11-29
CH687874A5 (en) 1997-03-14

Similar Documents

Publication Publication Date Title
DE69004382T2 (en) Setting a driver for an elevator.
DE1456492B2 (en) TROLLEY WITH HOIST ROPES ON ONE SIDE NEXT TO A CRANE BRIDGE
EP0684206B1 (en) Hand or motor-driven hoisting device
DE1480663A1 (en) Steering and drive unit for industrial trucks
DE19530891C2 (en) Hoist that is operated with a traction device
EP0161437B1 (en) Cable crane
DE108530C (en)
DE69307324T2 (en) Trolley
DE1481901A1 (en) Climbing and abseiling device
DE2328449C2 (en) Device for multi-layer winding of ropes, cables or the like
DE2165268A1 (en) CRANE HOIST
DE10033626A1 (en) Prospektkonterzug
DE29816005U1 (en) Shaft conveyor system with drum winch
DE69938572T2 (en) Pulley with automatic emergency brake
DE102004034589B3 (en) Chain pull for lifting processes comprises a fixing point for a chain and a feed point for the chain formed by a pocket wheel
DE2362726C3 (en) Reel with grooved pulley, especially for rope-operated transport systems in mining
DE1756011A1 (en) Motorized overhead traveling crane
DE837308C (en) Elevator system for hay, grain, dung or the like.
DE405003C (en) Mechanical remote control for winches with the help of a single pulling element
AT219496B (en) Device for pulping feed u. like in silos
DE1456492C (en) Trolley with hoisting ropes running on one side next to a crane bridge
DE2022160A1 (en) Magnetic support beam for lifting iron bars
DE102011052122A1 (en) Transport system, particularly conveyor systems, such as screw conveyors, cable pull for cranes, elevators and lifts, and conveyor chain for bucket elevator, has flexible tension element and bolts connected with tension element
EP0708054A1 (en) Arrangement with self-moving winch
DE2112659A1 (en) Device for a crane to stabilize a slewing mechanism provided on the hoist rope

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): DE FR GB IT

17P Request for examination filed

Effective date: 19960426

17Q First examination report despatched

Effective date: 19990219

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REF Corresponds to:

Ref document number: 59508596

Country of ref document: DE

Date of ref document: 20000831

ITF It: translation for a ep patent filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20000929

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20050331

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20050421

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20050513

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060517

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20060531

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061201

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20060517

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20070131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070517