EP0785164B1 - Hook block - Google Patents
Hook block Download PDFInfo
- Publication number
- EP0785164B1 EP0785164B1 EP97250002A EP97250002A EP0785164B1 EP 0785164 B1 EP0785164 B1 EP 0785164B1 EP 97250002 A EP97250002 A EP 97250002A EP 97250002 A EP97250002 A EP 97250002A EP 0785164 B1 EP0785164 B1 EP 0785164B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connecting element
- lower block
- rope
- axial bearing
- rope pulleys
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
-
- 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
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
- B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
Definitions
- the invention relates to a bottom block, especially for cables, with side arranged, rotatably mounted rope pulleys and one around a vertical axis rotatably mounted load hook, which has at least one thrust bearing on one Supported connecting element and via the connecting element with the rope pulleys is connected, which are mounted on the side of the connecting element.
- Document DE-A-32 20 253 discloses a bottom block which corresponds to the preamble of independent claim 1.
- the thrust bearing in one downwardly open recess of the connecting element arranged and axially is secured. This will significantly reduce the height of the bottom block achieved with high load capacity with tensile loads.
- the compactly trained Connection element also allows the number of individual parts to increase significantly reduce, thereby reducing the assembly effort during assembly the bottom block is achieved.
- the upper end of the load hook shaft is in the shape of the Recess complementary, so that it is positively in the recess can be used.
- the axial securing which has a high tensile load on the load hook enables, is carried out in a simple manner by means of cylinder pins which in the in the area of horizontal tangential grooves formed at the upper end of the load hook shaft intervention.
- the cylinder pins are only on in this embodiment Shear stresses, making the bottom block highly resilient.
- Connecting element is integrally formed.
- connection element the inner halves of the covers of the rope pulleys attached to the Connection element are integrally formed.
- the one-piece connecting element is advantageously formed from one for assembly Middle part for the recess and molded on both sides, each in the middle plane halves, the outer circumference forming hoods that protect the Ensure rope pulleys. Furthermore, the connecting element of the rope pulley axis also molded, central pins for one bearing each.
- FIG. 1 shows a partial section of the bottom block in front view.
- the bottom block has a solid one-piece connecting element 1. This is provided on both sides with a pin 2 on which the also laterally arranged pulleys 3 are supported via bearings 4.
- the camp 4 are stop surfaces formed by the connecting element 1 and additionally secured in their axial position by retaining rings 5.
- the inner half of the Cover 6 is - as shown in FIG. 1 - molded onto the connecting element 1.
- the Cover is closed by an outer half 7, for example, by a screw 8 is fastened to the connecting element 1.
- the correct location of the Cover 6 is achieved in that each cam of the cover 6 by one corresponding recess on the connecting element 1 non-positively or positively be included.
- the connecting element 1 according to FIG. 1 has one on the lower side recess 9 open at the bottom approximately in the form of a cylindrical opening, in which the upper end of the load hook 10 via a thrust bearing with a corresponding outer diameter is positively inserted.
- the thrust bearing from a ball socket 11, the balls 12 and the Ball cage 13 formed. 3 and 4, the ball socket 11 can be seen more precisely; so 3 shows a longitudinal section through the ball socket 11.
- FIG. 4 which shows a cross section along the section line A-A in FIG. 3, is the ball socket 11 provided on both sides with a horizontal tangential groove 14.
- the cylinder pins 15 are only claimed for shear in the exemplary embodiment, whereby a strong connection between the connecting element 1 and the Load hook 10 is made.
- the cylinder pins 15 can additionally by serrated rings 16 are secured in position in the bores 17.
- the one-piece connecting element 1 is thus advantageously formed from one Middle part for the recess 9 and molded on both sides, each in the Half-level, the outer circumference forming covers 6 for protection the rope pulleys 3. Furthermore, the connecting element 1 is formed from on the Rope roller axis formed, central pin 2 for sliding one each Camp 4.
- the load hook should expediently on its back part at the proposed embodiment have recessed grips that hold the Ensure the operator's fingers.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Pulleys (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Load-Engaging Elements For Cranes (AREA)
Description
Die Erfindung betrifft eine Unterflasche, insbesondere für Seilzüge, mit seitlich angeordneten, drehbar gelagerten Seilrollen und einem um eine vertikale Achse drehbar gelagerten Lasthaken, der über mindestens ein Axiallager an einem Verbindungselement abgestützt und über das Verbindungselement mit den Seilrollen verbunden ist, die seitlich am Verbindungselement gelagert sind.The invention relates to a bottom block, especially for cables, with side arranged, rotatably mounted rope pulleys and one around a vertical axis rotatably mounted load hook, which has at least one thrust bearing on one Supported connecting element and via the connecting element with the rope pulleys is connected, which are mounted on the side of the connecting element.
Aus der deutschen Vorschrift DIN 15 408 ist eine Unterflasche mit zwei Seilrollen bekannt, bei der die Seilrollen seitlich auf einer dafür vorgesehenen Achse über Lager abgestützt sind. Ein Lasthaken mit kurzem Schaft ist über Zuglaschen unterhalb der Achse vertikal und horizontal drehbar an dieser befestigt. Hierzu verfügt der Lasthaken über eine horizontale Drehachse, auf der sich das am Lasthakenschaft angeordnete Axiallager, das eine vertikale Drehung ermöglicht, abstützt. Die Enden der Drehachse reichen bis über die Zuglaschen hinaus und stützen sich axial gesichert in dafür in den Zuglaschen vorgesehenen Durchtrittsöffnungen ab. Nachteilig ist bei dieser Unterflasche die relativ große Bauhöhe; ferner weist sie eine Vielzahl von Einzelteilen auf, was mit einem großen Montageaufwand beim Zusammenbau der Unterflasche verbunden ist.From the German regulation DIN 15 408 is a bottom block with two rope pulleys known in which the rope pulleys laterally on a designated axis via bearings are supported. A short-shaft load hook is above the pull tabs below the Axis rotatably and vertically attached to it. For this, the load hook has over a horizontal axis of rotation on which the arranged on the load hook shaft Axial bearing that allows vertical rotation. The ends of the axis of rotation extend beyond the pull tabs and are axially secured in the Pull tabs provided through openings. The disadvantage of this Under-bottle the relatively large height; it also has a large number of individual parts on what with a large assembly effort when assembling the bottom block connected is.
Desweiteren ist eine Unterflasche bekannt, bei der die Seilrollenachse eine horizontale Durchtrittsöffnung aufweist, die der Schaft des Lasthakens durchdringt. Der Lasthaken stützt sich über Axiallager auf der Oberseite der Seilrollenachse ab. Zwar weist diese Unterflasche nur eine geringe Bauhöhe auf, ihre Belastbarkeit ist allerdings durch die Durchtrittsöffnung in der Seilrollenachse deutlich geringer als die von Unterflaschen gemäß DIN 15 408. Als weiterer Nachteil insbesondere bei der Montage erweist sich auch bei dieser Unterflasche die Tatsache, daß diese aus vielen Einzelteilen zusammengesetzt ist.Furthermore, a bottom block is known in which the rope pulley axis is horizontal Has passage opening, which penetrates the shaft of the load hook. The load hook is supported by axial bearings on the top of the rope pulley axis. Although this shows Bottom block only a small height, but its resilience is due to the Passage opening in the rope pulley axis is significantly smaller than that of bottom blocks according to DIN 15 408. A further disadvantage, particularly during assembly, has been found also with this bottom block the fact that it consists of many individual parts is composed.
Das Dokument DE-A-32 20 253 offenbart eine Unterflasche, die
dem Oberbegriff des unabhängigen Anspruchs 1 entspricht. Document DE-A-32 20 253 discloses a bottom block which
corresponds to the preamble of
Es ist Aufgabe der vorliegenden Erfindung, die Bauhöhe der Unterflasche zu verringern, ohne daß sich deren Belastbarkeit verschlechtert. Außerdem soll der Aufwand bei der Montage der Unterflasche verringert werden.It is an object of the present invention to reduce the overall height of the bottom block without the load capacity deteriorating. In addition, the effort to assemble the bottom block should be reduced.
Die Lösung dieser Aufgabe ist erfindungsgemäß gekennzeichnet durch die im
Patentanspruch 1 angegebenen Merkmale. Durch die kennzeichnenden Merkmale der
Unteransprüche 2 bis 6 ist die Unterflasche in vorteilhafter Weise weiter ausgestaltbar. This object is according to the invention characterized by the features specified in
Erfindungsgemäß ist es vorgesehen, daß das Axiallager in einer nach unten offenen Ausnehmung des Verbindungselements angeordnet und axial gesichert ist. Hierdurch wird eine deutliche Verringerung der Bauhöhe der Unterflasche bei hoher Belastbarkeit mit Zuglasten erreicht. Das kompakt ausgebildete Verbindungselement ermöglicht es darüber hinaus, die Zahl der Einzelteile deutlich zu reduzieren, wodurch eine Verringerung des Montageaufwandes beim Zusammenbau der Unterflasche erzielt wird.According to the invention it is provided that the thrust bearing in one downwardly open recess of the connecting element arranged and axially is secured. This will significantly reduce the height of the bottom block achieved with high load capacity with tensile loads. The compactly trained Connection element also allows the number of individual parts to increase significantly reduce, thereby reducing the assembly effort during assembly the bottom block is achieved.
Vorteilhafterweise ist das obere Ende des Lasthakenschafts zur Form der Ausnehmung komplementär ausgebildet, so daß es formschlüssig in die Ausnehmung einsetzbar ist. Die axiale Sicherung, die eine hohe Zugbelastung des Lasthakens ermöglicht, erfolgt auf einfache Weise mittels Zylinderstifte, die in die im Bereich des oberen Endes des Lasthakenschafts ausgebildeten horizontalen Tangentialnuten eingreifen. Die Zylinderstifte werden bei dieser Ausführungsform lediglich auf Scherung beansprucht, wodurch die Unterflasche hoch belastbar ist.Advantageously, the upper end of the load hook shaft is in the shape of the Recess complementary, so that it is positively in the recess can be used. The axial securing, which has a high tensile load on the load hook enables, is carried out in a simple manner by means of cylinder pins which in the in the area of horizontal tangential grooves formed at the upper end of the load hook shaft intervention. The cylinder pins are only on in this embodiment Shear stresses, making the bottom block highly resilient.
Eine besonders geringe Zahl an Einzelteilen wird erreicht, indem das Verbindungselement einstückig ausgebildet ist. Vorteilhafterweise gehören zum Verbindungselement die inneren Hälften der Abdeckhauben der Seilrollen, die an das Verbindungselement angeformt sind.A particularly small number of individual parts is achieved by the Connecting element is integrally formed. Advantageously belong to Connection element the inner halves of the covers of the rope pulleys attached to the Connection element are integrally formed.
Mit Vorteil für die Montage ist das einstückige Verbindungselement gebildet aus einem Mittelteil für die Ausnehmung sowie beidseitig angeformten, jeweils in der Mittenebene hälftigen, den äußeren Umfang bildenden Abdeckhauben, die den Schutz der Seilrollen gewährleisten. Weiter weist das Verbindungselement der Seilrollenachse ebenfalls angeformte, zentrische Zapfen für jeweils ein Lager auf.The one-piece connecting element is advantageously formed from one for assembly Middle part for the recess and molded on both sides, each in the middle plane halves, the outer circumference forming hoods that protect the Ensure rope pulleys. Furthermore, the connecting element of the rope pulley axis also molded, central pins for one bearing each.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird nachfolgend näher beschrieben. Es zeigen:
- Fig. 1
- einen Teilschnitt einer Unterflasche in Vorderansicht,
- Fig. 2
- einen Teilschnitt der Unterflasche gemäß Fig. 1 von oben,
- Fig. 3
- einen Längsschnitt durch die Kugelpfanne des Axiallagers und
- Fig. 4
- einen Querschnitt der Kugelpfanne gemäß der Schnittlinie A-A in Fig. 3.
- Fig. 1
- a partial section of a bottom block in front view,
- Fig. 2
- 2 shows a partial section of the bottom block according to FIG. 1 from above,
- Fig. 3
- a longitudinal section through the ball socket of the thrust bearing and
- Fig. 4
- 3 shows a cross section of the ball socket according to section line AA in FIG. 3.
Fig. 1 zeigt einen Teilschnitt der Unterflasche in Vorderansicht. Wie Fig. 1 erkennen
läßt, weist die Unterflasche ein massives einstückiges Verbindungselement 1 auf.
Dieses ist auf beiden Seiten mit einem Zapfen 2 versehen, auf dem die ebenfalls
seitlich angeordneten Seilrollen 3 über Lager 4 abgestützt sind. Die Lager 4 liegen an
vom Verbindungselement 1 gebildeten Anschlagflächen an und werden zusätzlich
durch Sicherungsringe 5 in ihrer axialen Lage gesichert. Die innere Hälfte der
Abdeckhaube 6 ist - wie Fig. 1 zeigt - an das Verbindungselement 1 angeformt. Die
Abdeckhaube ist durch eine äußere Hälfte 7 geschlossen, die beispielsweise durch
eine Schraube 8 am Verbindungselement 1 befestigt ist. Die korrekte Lage der
Abdeckhaube 6 wird dadurch erzielt, daß jeweils Nocken der Abdeckhaube 6 von einer
entsprechenden Ausnehmung am Verbindungselement 1 kraft- oder formschlüssig
aufgenommen werden.Fig. 1 shows a partial section of the bottom block in front view. As can be seen in FIG. 1
lets, the bottom block has a solid one-
Ferner weist das Verbindungselement 1 gemäß Fig. 1 auf der unteren Seite eine nach
unten offene Ausnehmung 9 näherungsweise in Form einer zylindrischen Öffnung auf,
in die das obere Ende des Lasthakens 10 über ein Axialllager mit einem
korrespondierenden Außendurchmesser formschlüssig eingesetzt ist. Wie sich Fig. 1
entnehmen läßt, ist das Axiallager aus einer Kugelpfanne 11, den Kugeln 12 und dem
Kugelkäfig 13 gebildet. In Fig. 3 und 4 ist die Kugelpfanne 11 genauer zu erkennen; so
zeigt Fig. 3 einen Längsschnitt durch die Kugelpfanne 11. Im Zusammenhang mit Fig.
4, die einen Querschnitt gemäß der Schnittlinie A-A in Fig. 3 zeigt, ist die Kugelpfanne
11 auf beiden Seiten mit einer horizontalen Tangentialnut 14 versehen. In die beiden
Tangentialnuten 14 greifen formschlüssig zwei Zylinderstifte 15 ein, die den Lasthaken
10 über das Axiallager axial in der zylindrischen Öffnung 9 fixieren. Die Zylinderstifte
15 werden beim Ausführungsbeispiel lediglich auf Scherung beansprucht, wodurch
eine stark belastbare Verbindung zwischen dem Verbindungselement 1 und dem
Lasthaken 10 hergestellt ist. Die Zylinderstifte 15 können zusätzlich durch Zackenringe
16 in den Bohrungen 17 in ihrer Lage gesichert werden.Furthermore, the connecting
Das einstückige Verbindungselement 1 ist also vorteilhafterweise gebildet aus einem
Mittelteil für die Ausnehmung 9 sowie beidseitig angeformten, jeweils in der
Mittenebene hälftigen, den äußeren Umfang bildenden Abdeckhauben 6 zum Schutz
der Seilrollen 3. Weiter ist das Verbindungselement 1 gebildet aus auf der
Seilrollenachse angeformte, zentrische Zapfen 2 zum Aufschieben jeweils eines
Lagers 4.The one-
Zweckmäßigerweise sollte der Lasthaken auf seinem Rückenteil bei der vorgeschlagenen Ausführungsform Griffmulden aufweisen, die einen sicheren Halt der finger der Bedienperson gewährleisten. The load hook should expediently on its back part at the proposed embodiment have recessed grips that hold the Ensure the operator's fingers.
- 11
- Verbindungselementconnecting element
- 22
- Zapfenspigot
- 33
- Seilrollepulley
- 44
- Lagercamp
- 55
- Sicherungsringcirclip
- 66
- innere Hälfte der Abdeckhaubeinner half of the cover
- 77
- äußere Hälfte der Abdeckhaubeouter half of the cover
- 88th
- Schraubescrew
- 99
- Ausnehmungrecess
- 1010
- Lasthakenload hook
- 1111
- Kugelpfanneball socket
- 1212
- KugelBullet
- 1313
- Kugelkäfigball cage
- 1414
- Tangentialnuttangential
- 1515
- Zylinderstiftstraight pin
- 1616
- Zackenringtoothed ring
- 1717
- Bohrungdrilling
Claims (7)
- Lower block, particularly for rope tackle, with laterally disposed and rotatably mounted rope pulleys (13) and a lifting hook (10) which is rotatably mounted about a vertical axis, is supported by way of at least one axial bearing (11, 12, 13) on a connecting element (1) and is connected by way of the connecting element (1) to the rope pulleys which are mounted laterally on the connecting element (1) and are supported on journals (2) disposed laterally on the connecting element (1), characterised in that the axial bearing (11, 12, 13) is disposed and axially secured in a downwardly-open recess (9) in the connecting element (1).
- Lower block as claimed in Claim 1, characterised in that the upper end of the shank of the lifting hook is inserted into the axial bearing (11, 12, 13) so as to lock positively.
- Lower block as claimed in Claim 1 or Claim 2, characterised in that horizontal tangential grooves (14) in which the cylindrical pins (15) engage in order to secure the axial bearing (11, 12, 13) axially are provided in a ball cup (11) of the axial bearing (11, 12, 13).
- Lower block as claimed in any one of Claims 1 to 3, characterised in that the connecting element (1) is constructed in one piece.
- Lower block as claimed in any one of Claims 1 to 4, characterised in that the rope pulleys (3) are provided with covering caps (6, 7), the inner halves (6) of which are constructed on the connecting element (1).
- Lower block as claimed in any one of Claims 1 to 5, characterised in that the one-piece connecting element (1) is composed of a central part for the recess (9) and covering caps (6) for protection of the rope pulleys (3), the said caps being formed on both sides, halved in each case in the central plane and form the outer periphery, with central journals (2) likewise formed on the axle of the rope pulley for a bearing (4) in each case.
- Lower block as claimed in any one of Claims 1 to 6, characterised in that the lifting hook (10) is rotatably mounted about a horizontal axis.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19602931A DE19602931C2 (en) | 1996-01-18 | 1996-01-18 | Bottom block |
| DE19602931 | 1996-01-18 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0785164A1 EP0785164A1 (en) | 1997-07-23 |
| EP0785164B1 true EP0785164B1 (en) | 2004-10-06 |
| EP0785164B8 EP0785164B8 (en) | 2004-12-15 |
Family
ID=7783853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97250002A Expired - Lifetime EP0785164B8 (en) | 1996-01-18 | 1997-01-09 | Hook block |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5851039A (en) |
| EP (1) | EP0785164B8 (en) |
| JP (1) | JPH09323885A (en) |
| DE (2) | DE19602931C2 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19817011C2 (en) * | 1998-04-17 | 2000-04-06 | Stahl R Foerdertech Gmbh | Rope hook arrangement |
| DE10310087A1 (en) * | 2003-03-06 | 2004-09-23 | Demag Cranes & Components Gmbh | Suspension for load hooks |
| DE10310086B4 (en) * | 2003-03-06 | 2008-06-19 | Demag Cranes & Components Gmbh | Suspension for load hook |
| DE10311424B3 (en) * | 2003-03-13 | 2004-12-02 | Demag Cranes & Components Gmbh | Rope bottle, in particular bottom block for cable pulls |
| DE102008059074B3 (en) * | 2008-11-26 | 2010-04-08 | Abus Kransysteme Gmbh | Pulley block i.e. lower pulley block, for cable winch, has securing element comprising cover section provided with cable opening, and mounting section connected with cover section for mounting securing element |
| DE102008059071B3 (en) * | 2008-11-26 | 2010-04-29 | Abus Kransysteme Gmbh | A pulley block |
| DE102009017718A1 (en) * | 2009-04-11 | 2010-10-21 | Demag Cranes & Components Gmbh | Load-receiving means, in particular a lower bottle of a hoist |
| CN102180403A (en) * | 2011-05-31 | 2011-09-14 | 太原重工股份有限公司 | Crane hook device |
| RU2554714C2 (en) * | 2013-05-16 | 2015-06-27 | Открытое Акционерное Общество "Российские Железные Дороги" | Gripper for two-ton weights and other items |
| DE102015109900B4 (en) * | 2015-06-19 | 2017-05-04 | Terex Mhps Gmbh | Bottom block, in particular for cables, and method of mounting a cover element on the cable bottle |
| CN109292615B (en) * | 2018-11-28 | 2023-10-20 | 浙江协成起重机械有限公司 | Lifting hook group |
| CN110271987B (en) * | 2019-07-05 | 2021-01-22 | 南通银龙钢绳有限公司 | Combined pulley block |
| CN111348561B (en) * | 2020-03-31 | 2023-01-31 | 广西路桥工程集团有限公司 | Cable adjusting method for bearing cable of cable crane |
| FI13061Y1 (en) * | 2021-11-08 | 2021-11-25 | Konecranes Global Oy | Finger guard |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD31602A (en) * | ||||
| DE31602C (en) * | O. bussler in London | Pencil holder | ||
| US1896266A (en) * | 1931-06-13 | 1933-02-07 | Euclid Crane & Hoist Company | Load block |
| US2317215A (en) * | 1942-03-17 | 1943-04-20 | Columbus Mckinnon Chain Corp | Hook block |
| US2570320A (en) * | 1946-07-31 | 1951-10-09 | Byron C Christensen | Combination traveling block and swivel connection |
| US2781671A (en) * | 1948-04-23 | 1957-02-19 | Columbus Mckinnon Chain Corp | Chain hoist |
| DE882606C (en) * | 1951-05-12 | 1953-07-09 | Heuer Hammer Schwerschmieden B | hook |
| US3179376A (en) * | 1962-09-19 | 1965-04-20 | Owen Bucket Company | Assembly, such as a crane hook |
| US3210115A (en) * | 1963-01-16 | 1965-10-05 | Provincial Engineering Ltd | Power rotatable hook device |
| US3517761A (en) * | 1969-02-13 | 1970-06-30 | Harnischfeger Corp | Weighing bottom block |
| AT347074B (en) * | 1975-05-12 | 1978-12-11 | Voest Ag | UNDER BOTTLE FOR A CRANE |
| DE2853404C2 (en) * | 1978-12-11 | 1984-10-04 | PHB Weserhütte AG, 5000 Köln | Safety block of a traveling crane |
| JPS6030634B2 (en) * | 1981-05-30 | 1985-07-17 | 福山鍛鋼造機株式会社 | hook for lifting |
-
1996
- 1996-01-18 DE DE19602931A patent/DE19602931C2/en not_active Expired - Fee Related
-
1997
- 1997-01-09 EP EP97250002A patent/EP0785164B8/en not_active Expired - Lifetime
- 1997-01-09 DE DE59711977T patent/DE59711977D1/en not_active Expired - Fee Related
- 1997-01-16 JP JP9017882A patent/JPH09323885A/en not_active Withdrawn
- 1997-01-16 US US08/783,438 patent/US5851039A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09323885A (en) | 1997-12-16 |
| US5851039A (en) | 1998-12-22 |
| DE59711977D1 (en) | 2004-11-11 |
| EP0785164A1 (en) | 1997-07-23 |
| EP0785164B8 (en) | 2004-12-15 |
| DE19602931C2 (en) | 2001-04-26 |
| DE19602931A1 (en) | 1997-07-24 |
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