IT8321875A0 - Impianto per rilasciare cavo, del tipo a puleggia mobile, per braccio di gru sostenuto da cavi. - Google Patents

Impianto per rilasciare cavo, del tipo a puleggia mobile, per braccio di gru sostenuto da cavi.

Info

Publication number
IT8321875A0
IT8321875A0 IT8321875A IT2187583A IT8321875A0 IT 8321875 A0 IT8321875 A0 IT 8321875A0 IT 8321875 A IT8321875 A IT 8321875A IT 2187583 A IT2187583 A IT 2187583A IT 8321875 A0 IT8321875 A0 IT 8321875A0
Authority
IT
Italy
Prior art keywords
cables
release system
crane arm
moving pulley
cable release
Prior art date
Application number
IT8321875A
Other languages
English (en)
Other versions
IT1212759B (it
Inventor
Robert A Rathe
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 IT8321875A0 publication Critical patent/IT8321875A0/it
Application granted granted Critical
Publication of IT1212759B publication Critical patent/IT1212759B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
IT8321875A 1982-06-30 1983-06-30 Impianto per rilasciare cavo, del tipo a puleggia mobile, per braccio di gru sostenuto da cavi. IT1212759B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/393,986 US4491228A (en) 1982-06-30 1982-06-30 Floating sheave type pendant pay-out system for pendant supported boom

Publications (2)

Publication Number Publication Date
IT8321875A0 true IT8321875A0 (it) 1983-06-30
IT1212759B IT1212759B (it) 1989-11-30

Family

ID=23557062

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8321875A IT1212759B (it) 1982-06-30 1983-06-30 Impianto per rilasciare cavo, del tipo a puleggia mobile, per braccio di gru sostenuto da cavi.

Country Status (4)

Country Link
US (1) US4491228A (it)
CA (1) CA1223843A (it)
IT (1) IT1212759B (it)
WO (1) WO1984000153A1 (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19814636A1 (de) * 1998-03-26 1999-09-30 Mannesmann Ag Ringliftkran
CA2534352A1 (en) 2003-08-08 2005-02-17 Arriva Pharmaceuticals, Inc. Methods of protein production in yeast
JP4415643B2 (ja) * 2003-10-24 2010-02-17 コベルコクレーン株式会社 クレーン
US7341158B2 (en) * 2004-01-09 2008-03-11 Kobelco Cranes Co., Ltd. Traveling crane and assembling/disassembling method thereof
DE102007056289B4 (de) * 2007-10-29 2009-06-04 Liebherr-Werk Ehingen Gmbh Verfahren zum Aufrichten eines Kranauslegers
CN104495652A (zh) * 2014-12-19 2015-04-08 浙江三一装备有限公司 履带起重机
JP7624859B2 (ja) * 2021-03-31 2025-01-31 住友重機械建機クレーン株式会社 クレーン、クレーンのブーム倒伏方法
JP7707646B2 (ja) * 2021-05-18 2025-07-15 コベルコ建機株式会社 上部スプレッダ取付装置、および上部スプレッダの取付方法

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1077467A (en) * 1913-02-07 1913-11-04 Omar N Gardner Crane and derrick.
US2572336A (en) * 1947-09-30 1951-10-23 Albert E Hall Loading boom construction
US2529454A (en) * 1948-01-10 1950-11-07 Eugene P Reading Inc Foldable boom
US2868392A (en) * 1956-09-28 1959-01-13 Glenn L Poffenberger Boom structure
US2999600A (en) * 1959-09-04 1961-09-12 Gates Earl Compensating telescopic boom
US3083837A (en) * 1961-01-31 1963-04-02 Thew Shovel Co Crane
US3194413A (en) * 1962-10-08 1965-07-13 Louis J Landry Extendable boom
US3306470A (en) * 1965-01-25 1967-02-28 Robert A Green Folding boom for mobile cranes
US3308967A (en) * 1965-10-06 1967-03-14 Byron F Barkley Extensible boom crane
US3371799A (en) * 1967-03-01 1968-03-05 Baldwin Lima Hamilton Corp Telescopic boom angle control system
FR1548578A (it) * 1967-10-25 1968-12-06
GB1297961A (it) * 1969-02-12 1972-11-29
US3622013A (en) * 1969-04-29 1971-11-23 Case Co J I Extensible boom structure
US3648850A (en) * 1970-03-25 1972-03-14 Tyee Construction Co Crane with telescopic boom
US3674157A (en) * 1970-03-25 1972-07-04 Tyee Construction Co Crane with telescopic boom
FR2192972B2 (it) * 1972-07-21 1976-01-16 Richier Fr
GB1414314A (en) * 1972-12-05 1975-11-19 Od Z Tyazhelogo Kranostroenia Luffing cranes
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
US3987594A (en) * 1975-02-06 1976-10-26 Clark Equipment Company System and method for automatic unstowing and stowing of a crane boom
US4053058A (en) * 1976-05-27 1977-10-11 Fmc Corporation Suspended extensible boom
GB1594096A (en) * 1976-11-11 1981-07-30 Coles Cranes Ltd Telescopic booms
US4133411A (en) * 1977-02-11 1979-01-09 Chamberlain Manufacturing Corporation Extensible boom
SU749793A1 (ru) * 1978-04-07 1980-07-23 Всесоюзный конструкторско-технологический институт по механизации монтажных и специальных строительных работ Устройство дл подъема и изменени вылета стрелы грузоподъемного крана
US4352434A (en) * 1980-05-01 1982-10-05 Fmc Corporation Pendant supported hydraulic extensible boom

Also Published As

Publication number Publication date
US4491228A (en) 1985-01-01
IT1212759B (it) 1989-11-30
CA1223843A (en) 1987-07-07
WO1984000153A1 (en) 1984-01-19

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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