FR2487318B1 - Procede d'extension d'un bras de grue telescopique - Google Patents

Procede d'extension d'un bras de grue telescopique

Info

Publication number
FR2487318B1
FR2487318B1 FR8114564A FR8114564A FR2487318B1 FR 2487318 B1 FR2487318 B1 FR 2487318B1 FR 8114564 A FR8114564 A FR 8114564A FR 8114564 A FR8114564 A FR 8114564A FR 2487318 B1 FR2487318 B1 FR 2487318B1
Authority
FR
France
Prior art keywords
extension
crane arm
telescopic crane
telescopic
arm
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.)
Expired
Application number
FR8114564A
Other languages
English (en)
Other versions
FR2487318A1 (fr
Inventor
Ram N Rathi
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.)
Harnischfeger Corp
Original Assignee
Harnischfeger 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 Harnischfeger Corp filed Critical Harnischfeger Corp
Publication of FR2487318A1 publication Critical patent/FR2487318A1/fr
Application granted granted Critical
Publication of FR2487318B1 publication Critical patent/FR2487318B1/fr
Expired legal-status Critical Current

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
    • B66C23/702—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic with a jib extension boom

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
FR8114564A 1980-07-28 1981-07-27 Procede d'extension d'un bras de grue telescopique Expired FR2487318B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/172,955 US4318488A (en) 1980-07-28 1980-07-28 Method of extending a jib of a telescopic crane

Publications (2)

Publication Number Publication Date
FR2487318A1 FR2487318A1 (fr) 1982-01-29
FR2487318B1 true FR2487318B1 (fr) 1986-04-25

Family

ID=22629891

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8114564A Expired FR2487318B1 (fr) 1980-07-28 1981-07-27 Procede d'extension d'un bras de grue telescopique

Country Status (8)

Country Link
US (1) US4318488A (fr)
JP (1) JPS5751693A (fr)
AU (1) AU537846B2 (fr)
BR (1) BR8104880A (fr)
CA (1) CA1150198A (fr)
DE (1) DE3128399A1 (fr)
FR (1) FR2487318B1 (fr)
GB (1) GB2081210B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431109A (en) * 1981-02-25 1984-02-14 Fmc Corporation Boom extension stowage system
US4491229A (en) * 1981-02-25 1985-01-01 Fmc Corporation Boom extension stowage system
US4483447A (en) * 1982-05-26 1984-11-20 Kidde, Inc. Safety mounting for side stowable boom extension or jib
US5265741A (en) * 1992-08-11 1993-11-30 Paceco Corp. Boom extension for gantry cranes
DE102005049606B4 (de) * 2005-10-17 2016-03-31 Liebherr-Werk Ehingen Gmbh Fahrzeugkran mit Zusatzausleger und Verfahren zur Demontage des Hilfsauslegers
US7337912B1 (en) 2007-02-08 2008-03-04 Manitowoc Crane Companies, Inc. Automatically deployable boom extension and method of deploying same
JP4301322B2 (ja) * 2007-05-14 2009-07-22 コベルコクレーン株式会社 ジブ格納装置
JP5248952B2 (ja) * 2008-08-29 2013-07-31 株式会社タダノ ジブ付きクレーン車のジブ格納装置
US8678210B1 (en) * 2010-11-17 2014-03-25 Link-Belt Construction Equipment Co., L.P., Lllp Telescoping boom assembly with base section having primary shell and secondary formed shell
US9033165B2 (en) 2011-02-09 2015-05-19 Oshkosh Corporation Crane assembly
DE102012018527B4 (de) 2012-09-19 2021-09-30 Liebherr-Werk Ehingen Gmbh Gittermastkran und Verfahren zur Konfiguration und Rüsten eines Gittermastkrans
CA155199S (en) * 2013-08-21 2014-11-03 Tadano Ltd Outrigger for a crane truck
DE102015119379B3 (de) 2015-11-10 2017-03-30 Terex Global Gmbh Mobilkran und Verfahren zum Abwinkeln einer Hauptauslegerverlängerung relativ zu einem Hauptausleger eines Mobilkrans
DE102015119381B3 (de) 2015-11-10 2017-04-27 Terex Global Gmbh Mobilkran und Verfahren zum Abwinkeln einer Hauptauslegerverlängerung relativ zu einem Hauptausleger eines Mobilkrans
DE102015120350B3 (de) * 2015-11-24 2017-05-24 Terex Global Gmbh Mobilkran zum Abwinkeln einer Hauptauslegerverlängerung relativ zu einem Hauptausleger eines Mobilkrans
US10065841B2 (en) * 2016-01-26 2018-09-04 Altec Industries, Inc. Compact stowable luffing jib for a crane
US9539948B1 (en) 2016-03-22 2017-01-10 Jac Products, Inc. Telescoping step assist system and method
US10723272B2 (en) 2017-12-04 2020-07-28 Jac Products, Inc. Step rail system for vehicle
JP7416034B2 (ja) * 2020-10-28 2024-01-17 コベルコ建機株式会社 クレーンの組立方法
CN113501443A (zh) * 2021-07-23 2021-10-15 蔺晓琳 一种具有伸缩式起重臂的塔式起重机

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125227A (en) * 1964-03-17 Boom construction
US3698569A (en) * 1971-03-22 1972-10-17 Case Co J I Mobile crane with jib extension
US3945333A (en) * 1974-12-20 1976-03-23 Harnischfeger Corporation Means for storing and connecting jib for telescopic boom of mobile crane
US4091936A (en) * 1976-11-15 1978-05-30 The Warner & Swasey Company Apparatus for extending a boom assembly
US4106631A (en) * 1977-02-18 1978-08-15 J. I. Case Company Fly and jib assembly for crane
US4141455A (en) * 1977-07-14 1979-02-27 Harnischfeger Corporation Means for storing and connecting jib on telescopic crane boom
FR2409225A1 (fr) * 1977-11-21 1979-06-15 Creusot Loire Perfectionnement aux grues telescopiques

Also Published As

Publication number Publication date
DE3128399A1 (de) 1982-06-24
AU7255981A (en) 1983-02-03
CA1150198A (fr) 1983-07-19
US4318488A (en) 1982-03-09
GB2081210A (en) 1982-02-17
GB2081210B (en) 1984-03-28
AU537846B2 (en) 1984-07-12
FR2487318A1 (fr) 1982-01-29
DE3128399C2 (fr) 1989-02-23
JPS5751693A (en) 1982-03-26
BR8104880A (pt) 1982-04-13

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse