Global Patent Index - EP 0999173 A1

EP 0999173 A1 2000-05-10 - Chain hoist, in particular chain hoist with limited height

Title (en)

Chain hoist, in particular chain hoist with limited height

Title (de)

Kettenzug insbesondere Kurzbauender Kettenzug

Title (fr)

Palan à chaîne, en particulier palan à chaîne à hauteur limitée

Publication

EP 0999173 A1 (DE)

Application

EP 99250385 A

Priority

DE 19852538 A

Abstract (en)

[origin: DE19852538C1] A short chain hoist has the chain looped over several pulley wheels, with one wheel driven. To reduce the polygonal effect of the chain links rolling over the pulleys at least one of the pulleys is mounted on a pivot arm braced on the hoist frame by an elastic damper (26).

Abstract (de)

Die Erfindung betrifft einen Kettenzug, insbesondere einen kurzbauenden Kettenzug, mit einem über mindestens ein Kettenrad geführten und mit einem Lastaufnahmemittel verbundenen Kettenstrang, der von einer in einem Gehäuse untergebrachten Antriebseinheit über ein auf einer Antriebswelle sitzendes Kettenrad angetrieben ist. Um durch den Polygoneffekt verursachte Kettenschwingungen wirksam zu verhindern, insbesondere bei mehreren Umlenkungen der Kette, wird vorgeschlagen, daß sich mindestens eines der Kettenräder (13, 14, 15, 16) über eine Dämpfungseinrichtung (26) am Kettenzug (10) abstützt. Bei einer konstruktiv einfachen Führung ist mindestens eines der Kettenräder (13, 14, 15, 16) an einer Schwinge (24c) abgestützt, die an einem Ende (24a) verschwenkbar und am anderen Ende (24b) über die Dämpfungseinrichtung (26) am Kettenzug (10) befestigt ist. <IMAGE>

IPC 1-7 (main, further and additional classification)

B66D 3/26

IPC 8 full level (invention and additional information)

B66D 3/26 (2006.01)

CPC (invention and additional information)

B66D 3/26 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT NL

EPO simple patent family

DE 19852538 C1 20000427; EP 0999173 A1 20000510; EP 0999173 B1 20030212; JP 2000198682 A 20000718; US 6286816 B1 20010911

INPADOC legal status


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2004-02-04 [26N] NO OPPOSITION FILED

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2003-07-01 [NLV1] NL: LAPSED OR ANNULLED DUE TO FAILURE TO FULFILL THE REQUIREMENTS OF ART. 29P AND 29M OF THE PATENTS ACT

2003-05-30 [ET] FR: TRANSLATION FILED

2003-04-09 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20030315

2003-03-20 [REF] CORRESPONDS TO:

- Document: DE 59904267 P 20030320

2003-02-12 [AK] DESIGNATED CONTRACTING STATES:

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2003-02-12 [REG GB FG4D] EUROPEAN PATENT GRANTED

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2003-02-05 [RIN1] INVENTOR (CORRECTION)

- Inventor name: LIEBIG, KARL, DIPL.-ING.

2003-02-05 [RIN1] INVENTOR (CORRECTION)

- Inventor name: MOLL, OLIVER

2003-02-05 [RIN1] INVENTOR (CORRECTION)

- Inventor name: SCHUBERT, MICHAEL, DIPL.-ING.

2003-02-05 [RIN1] INVENTOR (CORRECTION)

- Inventor name: PRILLA, JOHANN

2003-01-02 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: DEMAG CRANES & COMPONENTS GMBH

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2000-07-12 [RIN1] INVENTOR (CORRECTION)

- Inventor name: LIEBIG, KARL DIPL.-ING.

2000-07-12 [RIN1] INVENTOR (CORRECTION)

- Inventor name: MOLL. OLIVER

2000-07-12 [RIN1] INVENTOR (CORRECTION)

- Inventor name: SCHUBERT, MICHAEL DIPL.-ING.

2000-07-12 [RIN1] INVENTOR (CORRECTION)

- Inventor name: PRILLA, JOHANN

2000-05-10 [AK] DESIGNATED CONTRACTING STATES:

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