EP1544153A3 - Lower pulley block for hoists with a single pulley - Google Patents

Lower pulley block for hoists with a single pulley Download PDF

Info

Publication number
EP1544153A3
EP1544153A3 EP04029020A EP04029020A EP1544153A3 EP 1544153 A3 EP1544153 A3 EP 1544153A3 EP 04029020 A EP04029020 A EP 04029020A EP 04029020 A EP04029020 A EP 04029020A EP 1544153 A3 EP1544153 A3 EP 1544153A3
Authority
EP
European Patent Office
Prior art keywords
deflection device
pulley
tie rods
hoists
interconnected
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
Application number
EP04029020A
Other languages
German (de)
French (fr)
Other versions
EP1544153B1 (en
EP1544153A2 (en
Inventor
Karl Zacharias
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.)
Demag Cranes and Components GmbH
Original Assignee
Demag Cranes and Components GmbH
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 Demag Cranes and Components GmbH filed Critical Demag Cranes and Components GmbH
Publication of EP1544153A2 publication Critical patent/EP1544153A2/en
Publication of EP1544153A3 publication Critical patent/EP1544153A3/en
Application granted granted Critical
Publication of EP1544153B1 publication Critical patent/EP1544153B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B66D3/04—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
    • 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
    • B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
    • 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
    • B66D3/046—Openable pulley blocks

Abstract

The single line hook block for lifting tackle has a rotatable cable deflection device (2) and a suspension (3) for a load hook (4) which are interconnected by two parallel disposed tie rods (5a,5b). At least one of the tie rods forms a pivot (18) for the cable deflection device. The two tie rods are interconnected by threaded connections to form a longitudinally split tie rod component, with stub axle type extensions (18a,18b) on the facing sides which when the two tie rod sections are screwed together form the pivot for the deflection device.
EP04029020A 2003-12-18 2004-12-08 Lower pulley block for hoists with a single pulley Not-in-force EP1544153B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10359876A DE10359876B4 (en) 2003-12-18 2003-12-18 Single roll lower hoist for hoists
DE10359876 2003-12-18

Publications (3)

Publication Number Publication Date
EP1544153A2 EP1544153A2 (en) 2005-06-22
EP1544153A3 true EP1544153A3 (en) 2006-06-07
EP1544153B1 EP1544153B1 (en) 2008-02-20

Family

ID=34485519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04029020A Not-in-force EP1544153B1 (en) 2003-12-18 2004-12-08 Lower pulley block for hoists with a single pulley

Country Status (6)

Country Link
US (1) US20050218388A1 (en)
EP (1) EP1544153B1 (en)
CN (1) CN1629064B (en)
AT (1) ATE386702T1 (en)
DE (2) DE10359876B4 (en)
ES (1) ES2301921T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101898718B (en) * 2009-05-27 2012-10-10 无锡港盛港口机械有限公司 Sheep eye hook device of crane
CN101898719B (en) * 2009-05-27 2012-10-10 无锡港盛港口机械有限公司 Epsilon-type lifting hook device for crane
DE202011001845U1 (en) * 2011-01-24 2012-04-30 Liebherr-Components Biberach Gmbh Cable drum and pulley for fiber rope drives
CN105197772B (en) * 2014-12-23 2017-05-03 徐州重型机械有限公司 Lifting hook and crane
CN105174037A (en) * 2015-10-21 2015-12-23 无锡港盛重型装备有限公司 Lifting hook mechanism for crane
GB2581984B (en) * 2019-03-06 2022-04-27 Treemagineers Ltd System and apparatus for moving objects

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US691492A (en) * 1901-10-04 1902-01-21 James Byron Roney Pulley-block.
US2206442A (en) * 1939-01-18 1940-07-02 George J Armstrong Snatch block
US3528645A (en) * 1968-04-18 1970-09-15 Peter O Harken Bearing block
WO1995010719A1 (en) * 1993-10-07 1995-04-20 Gert Hans Frederiksen A rope block

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB244180A (en) * 1924-09-13 1925-12-14 Edward Elias Von Tell Improvements in self-locking leading blocks, and the like
US2332389A (en) * 1942-03-17 1943-10-19 Columbus Mckinnon Chain Corp Hook block
GB573352A (en) * 1943-12-07 1945-11-16 Norman Cansfield Improvements relating to pulley blocks
US2649282A (en) * 1949-04-02 1953-08-18 Jr Jessee E Fate Snatch block
DE1093067B (en) * 1958-03-12 1960-11-17 Winden Und Maschb Josef Gressb Two-part roller housing with a load hook rotatably mounted on it
US3378233A (en) * 1965-07-19 1968-04-16 George F Mcmurray Roller assembly
US4390163A (en) * 1981-08-28 1983-06-28 Schaefer Marine, Inc. Marine block
US4614332A (en) * 1985-01-22 1986-09-30 The Crosby Group, Inc. Snatch block with improved hook bolt assembly
CN2377239Y (en) * 1999-06-07 2000-05-10 廖万来 Improved structure of pulley
US6910492B1 (en) * 2002-08-09 2005-06-28 Andrew G. Stuck ATV supported shelter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US691492A (en) * 1901-10-04 1902-01-21 James Byron Roney Pulley-block.
US2206442A (en) * 1939-01-18 1940-07-02 George J Armstrong Snatch block
US3528645A (en) * 1968-04-18 1970-09-15 Peter O Harken Bearing block
WO1995010719A1 (en) * 1993-10-07 1995-04-20 Gert Hans Frederiksen A rope block

Also Published As

Publication number Publication date
CN1629064A (en) 2005-06-22
DE10359876A1 (en) 2005-07-28
CN1629064B (en) 2010-06-23
DE502004006247D1 (en) 2008-04-03
ATE386702T1 (en) 2008-03-15
ES2301921T3 (en) 2008-07-01
US20050218388A1 (en) 2005-10-06
EP1544153B1 (en) 2008-02-20
DE10359876B4 (en) 2006-12-07
EP1544153A2 (en) 2005-06-22

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