IT1068862B - Complesso a braccio,particolarmente per gru,presentante almeno un tratto con parete di sommita' e di fondo a picco o cresta - Google Patents

Complesso a braccio,particolarmente per gru,presentante almeno un tratto con parete di sommita' e di fondo a picco o cresta

Info

Publication number
IT1068862B
IT1068862B IT28224/76A IT2822476A IT1068862B IT 1068862 B IT1068862 B IT 1068862B IT 28224/76 A IT28224/76 A IT 28224/76A IT 2822476 A IT2822476 A IT 2822476A IT 1068862 B IT1068862 B IT 1068862B
Authority
IT
Italy
Prior art keywords
cranes
peak
present
ground bottom
arm complex
Prior art date
Application number
IT28224/76A
Other languages
English (en)
Original Assignee
Warner Swasey Co
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 Warner Swasey Co filed Critical Warner Swasey Co
Application granted granted Critical
Publication of IT1068862B publication Critical patent/IT1068862B/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
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • 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
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/707—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic guiding devices for telescopic jibs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
IT28224/76A 1975-10-28 1976-10-12 Complesso a braccio,particolarmente per gru,presentante almeno un tratto con parete di sommita' e di fondo a picco o cresta IT1068862B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/626,244 US4038794A (en) 1975-10-28 1975-10-28 Boom assembly

Publications (1)

Publication Number Publication Date
IT1068862B true IT1068862B (it) 1985-03-21

Family

ID=24509549

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28224/76A IT1068862B (it) 1975-10-28 1976-10-12 Complesso a braccio,particolarmente per gru,presentante almeno un tratto con parete di sommita' e di fondo a picco o cresta

Country Status (6)

Country Link
US (1) US4038794A (it)
JP (1) JPS5255158A (it)
CA (1) CA1041048A (it)
DE (1) DE2648748A1 (it)
FR (1) FR2329580A1 (it)
IT (1) IT1068862B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171597A (en) * 1976-01-29 1979-10-23 Coles Cranes Limited Crane boom and telescopic section for it
US4337601A (en) * 1980-04-24 1982-07-06 Harnischfeger Corporation High-strength light-weight boom section for telescopic crane boom
US4459786A (en) * 1981-10-27 1984-07-17 Ro Corporation Longitudinally bowed transversely polygonal boom for cranes and the like
US4478014A (en) * 1981-12-14 1984-10-23 Fmc Corporation Telescopic boom with angled corner construction
JPS5991289U (ja) * 1982-12-13 1984-06-20 株式会社多田野鉄工所 ブ−ム
SE449217B (sv) * 1984-03-23 1987-04-13 Dynatrans Technology Ltd Lyftok for containers
DE9210902U1 (de) * 1992-08-14 1992-12-24 Liebherr-Werk Ehingen Gmbh, 7930 Ehingen Teleskopausleger für Fahrzeugkrane o.dgl.
FR2757497B1 (fr) * 1996-12-23 1999-02-12 Potain Sa Mature telescopique pour grue a tour
US6499612B1 (en) 2001-07-27 2002-12-31 Link-Belt Construction Equipment Co., L.P., Lllp Telescoping boom assembly with rounded profile sections and interchangeable wear pads
US9033165B2 (en) 2011-02-09 2015-05-19 Oshkosh Corporation Crane assembly
CN104310245A (zh) * 2014-10-21 2015-01-28 捷胜海洋装备股份有限公司 一种两级伸缩吊
DE102019107456A1 (de) * 2019-03-22 2020-09-24 Schwing Gmbh Knickmast mit Mastsegmenten und Verfahren zur Herstellung eines Mastsegmentes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191024258A (en) * 1908-10-14 1911-03-16 Fritz Jaeger Improved Extensible and Retractable Mast.
DE1281651C2 (de) * 1966-06-30 1975-02-13 Leo Gottwald KG, 4000 Düsseldorf Teleskopartig ein- und ausfahrbarer kranausleger
FR1527526A (fr) * 1967-06-16 1968-05-31 Gottwald Kg Leo Flèche de grue à manoeuvre télescopique
DE1531174A1 (de) * 1967-09-22 1970-04-16 Demag Bagger & Kran Gmbh Teleskopausleger fuer Krane und Bagger mit mindestens einem auf Rollen ein- und ausfahrbaren Verlaengerungsstueck
DE2148966C3 (de) * 1971-09-30 1978-11-23 Liebherr-Werk Ehingen Gmbh, 7930 Ehingen Teleskopausleger, insbesondere für straßenverfahrbare Krane
US3802136A (en) * 1972-01-26 1974-04-09 Gottwald Kg Leo Extendible crane boom formed of telescopic box-shaped sections
FR2255251B1 (it) * 1973-12-20 1976-11-19 Creusot Loire

Also Published As

Publication number Publication date
DE2648748A1 (de) 1977-05-05
US4038794A (en) 1977-08-02
JPS5255158A (en) 1977-05-06
FR2329580A1 (fr) 1977-05-27
CA1041048A (en) 1978-10-24
AU1885976A (en) 1978-04-27

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