IT1169448B - Sistema per filare il cavo in gru del tipo a braccio sospeso esternamente,con controllo antiabbassamento - Google Patents

Sistema per filare il cavo in gru del tipo a braccio sospeso esternamente,con controllo antiabbassamento

Info

Publication number
IT1169448B
IT1169448B IT21874/83A IT2187483A IT1169448B IT 1169448 B IT1169448 B IT 1169448B IT 21874/83 A IT21874/83 A IT 21874/83A IT 2187483 A IT2187483 A IT 2187483A IT 1169448 B IT1169448 B IT 1169448B
Authority
IT
Italy
Prior art keywords
boom
predetermined
mast
pendant
output signal
Prior art date
Application number
IT21874/83A
Other languages
English (en)
Other versions
IT8321874A0 (it
Inventor
Darwin N Poock
Original Assignee
Fmc Corp
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 Fmc Corp filed Critical Fmc Corp
Publication of IT8321874A0 publication Critical patent/IT8321874A0/it
Application granted granted Critical
Publication of IT1169448B publication Critical patent/IT1169448B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • B66C23/821—Bracing equipment for booms
    • B66C23/823—Bracing equipment acting in vertical direction
IT21874/83A 1982-06-30 1983-06-30 Sistema per filare il cavo in gru del tipo a braccio sospeso esternamente,con controllo antiabbassamento IT1169448B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/393,985 US4492312A (en) 1982-06-30 1982-06-30 External pendant pay-out system with anti-droop control

Publications (2)

Publication Number Publication Date
IT8321874A0 IT8321874A0 (it) 1983-06-30
IT1169448B true IT1169448B (it) 1987-05-27

Family

ID=23557058

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21874/83A IT1169448B (it) 1982-06-30 1983-06-30 Sistema per filare il cavo in gru del tipo a braccio sospeso esternamente,con controllo antiabbassamento

Country Status (4)

Country Link
US (1) US4492312A (it)
CA (1) CA1227770A (it)
IT (1) IT1169448B (it)
WO (1) WO1984000150A1 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334187B1 (de) * 1988-03-23 1991-10-16 Liebherr-Werk Ehingen GmbH Fahrzeugkran mit Teleskopausleger
DE3824732A1 (de) * 1988-07-21 1990-02-15 Mannesmann Ag Kran, insbesondere grosskran
US4982853A (en) * 1989-02-09 1991-01-08 Hikoma Seisakusho Co., Ltd. Reinforcement mechanism for multi-stage telescopic boom
US5240129A (en) * 1990-06-04 1993-08-31 Link-Belt Construction Equip. Co. Heavy duty crane with self-retracting/erecting live mast
US5586667A (en) 1995-12-14 1996-12-24 Landry Camile J Mobile crane with main and auxiliary counterweight assemblies
CN101746675B (zh) * 2009-12-31 2012-05-02 三一汽车制造有限公司 起重机超起装置及其控制系统和控制方法
US10053340B2 (en) * 2014-01-20 2018-08-21 Manitowoc Crane Companies, Llc System and method for connecting a crane suspension assembly to a support column
EP3114070B1 (en) 2014-03-03 2019-05-08 Manitowoc Crane Companies, LLC Adjustable length tensioning member
DE102016009811B4 (de) * 2016-07-21 2019-05-16 Liebherr-Werk Ehingen Gmbh Teleskopausleger mit räumlicher Abspannung

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603362A (en) * 1952-07-15 Suspension boom
US1163497A (en) * 1915-07-28 1915-12-07 Nils Engholm Andersen Extension-boom.
GB376282A (en) * 1930-12-29 1932-06-29 Archibald Frazer Nash Improvements in and relating to safety devices for cranes and the like
US2698096A (en) * 1953-05-04 1954-12-28 Lillie V Hughes Drag line extensible boom
US2819803A (en) * 1954-10-12 1958-01-14 Leo B Obenchain Boom for cranes
US2868392A (en) * 1956-09-28 1959-01-13 Glenn L Poffenberger Boom structure
US3029954A (en) * 1959-02-24 1962-04-17 William H Grant Adjustable boom crane
US2999600A (en) * 1959-09-04 1961-09-12 Gates Earl Compensating telescopic boom
US3194413A (en) * 1962-10-08 1965-07-13 Louis J Landry Extendable boom
US3308967A (en) * 1965-10-06 1967-03-14 Byron F Barkley Extensible boom crane
FR1498123A (fr) * 1966-11-02 1967-10-13 Ckd Praha Dispositif pour le soulèvement de la flèche d'une grue ainsi que grue pourvue dudit dispositif
US3371799A (en) * 1967-03-01 1968-03-05 Baldwin Lima Hamilton Corp Telescopic boom angle control system
US3465899A (en) * 1967-08-03 1969-09-09 Bucyrus Erie Co Telescoping boom for hydraulic crane
FR1548578A (it) * 1967-10-25 1968-12-06
GB1253815A (en) * 1967-11-28 1971-11-17 Willem Frederik Vonck Improvements relating to derrick cranes and like derrick hoists
US3735876A (en) * 1969-01-27 1973-05-29 Clark Equipment Co Crane controls
GB1297961A (it) * 1969-02-12 1972-11-29
FR2192972B2 (it) * 1972-07-21 1976-01-16 Richier Fr
US3856151A (en) * 1973-11-29 1974-12-24 Case Co J I Telescopic boom and jib assembly with means to maintain a predetermined angular position therebetween
DD112631A1 (it) * 1974-04-15 1975-04-20
US4053058A (en) * 1976-05-27 1977-10-11 Fmc Corporation Suspended extensible boom
US4133411A (en) * 1977-02-11 1979-01-09 Chamberlain Manufacturing Corporation Extensible boom
US4166542A (en) * 1977-12-05 1979-09-04 Bryan John F Jr Telescoping lattice boom crane
US4222491A (en) * 1978-08-02 1980-09-16 Eaton Corporation Crane operating aid and sensor arrangement therefor
DE3030821C2 (de) * 1979-08-17 1983-12-01 Coles Cranes Ltd., Sunderland, Tyne and Wear Teleskopausleger-Seilabspannung
US4352434A (en) * 1980-05-01 1982-10-05 Fmc Corporation Pendant supported hydraulic extensible boom

Also Published As

Publication number Publication date
IT8321874A0 (it) 1983-06-30
CA1227770A (en) 1987-10-06
WO1984000150A1 (en) 1984-01-19
US4492312A (en) 1985-01-08

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19930608