CA1044186A - Extension and retraction means for the telescopic boom assembly of a crane - Google Patents

Extension and retraction means for the telescopic boom assembly of a crane

Info

Publication number
CA1044186A
CA1044186A CA267,841A CA267841A CA1044186A CA 1044186 A CA1044186 A CA 1044186A CA 267841 A CA267841 A CA 267841A CA 1044186 A CA1044186 A CA 1044186A
Authority
CA
Canada
Prior art keywords
boom
chord
cylinder
pin
assembly
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
CA267,841A
Other languages
English (en)
French (fr)
Inventor
Kamlaker P. Rao
William L. Lowe
Oliver T. Nephew
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.)
Doosan Bobcat North America Inc
Original Assignee
Clark Equipment 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 Clark Equipment Co filed Critical Clark Equipment Co
Application granted granted Critical
Publication of CA1044186A publication Critical patent/CA1044186A/en
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
    • B66C23/708—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic locking devices for telescopic jibs
    • 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
    • B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
CA267,841A 1975-12-15 1976-12-14 Extension and retraction means for the telescopic boom assembly of a crane Expired CA1044186A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/641,191 US4036372A (en) 1975-12-15 1975-12-15 Extension and retraction means for the telescopic boom assembly of a crane

Publications (1)

Publication Number Publication Date
CA1044186A true CA1044186A (en) 1978-12-12

Family

ID=24571318

Family Applications (1)

Application Number Title Priority Date Filing Date
CA267,841A Expired CA1044186A (en) 1975-12-15 1976-12-14 Extension and retraction means for the telescopic boom assembly of a crane

Country Status (7)

Country Link
US (1) US4036372A (enExample)
JP (1) JPS5275750A (enExample)
BR (1) BR7608426A (enExample)
CA (1) CA1044186A (enExample)
DE (1) DE2656186A1 (enExample)
FR (1) FR2335444A1 (enExample)
GB (1) GB1569315A (enExample)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
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DE2638185C3 (de) * 1976-08-25 1979-10-11 O & K Orenstein & Koppel Ag, 1000 Berlin Teleskopausleger für fahrbare Krane
US4112649A (en) * 1977-08-26 1978-09-12 Harnischfeger Corporation Boom section for telescopic crane boom
FR2409225A1 (fr) * 1977-11-21 1979-06-15 Creusot Loire Perfectionnement aux grues telescopiques
FI802255A7 (fi) * 1979-07-25 1981-01-01 Coles Cranes Ltd Nosturin puomi.
US4406375A (en) * 1980-07-02 1983-09-27 Jlg Industries Inc. Telescopic boom construction
US4327533A (en) * 1980-08-13 1982-05-04 Kidde, Inc. Crane boom extending, retracting and cooperative latching arrangement
US4396126A (en) * 1980-11-24 1983-08-02 Harnischfeger Corporation Telescoping crane boom
US4514939A (en) * 1981-08-17 1985-05-07 Fmc Corporation Extensible boom with manual section stored in base
FI73401C (fi) * 1981-08-18 1987-10-09 Coles Cranes Ltd Bom foer lyftkran eller liknande.
US4433515A (en) * 1981-11-04 1984-02-28 Kidde, Inc. Remotely operable latch and locking pin for a multi-section boom including a manual fly section
US4664272A (en) * 1981-11-05 1987-05-12 Kidde, Inc. Telescoping crane boom with locking and indicator means
GB8301860D0 (en) * 1983-01-24 1983-02-23 Coles Cranes Ltd Embossed booms
US4585132A (en) * 1984-09-10 1986-04-29 Fmc Corporation Extensible boom with manual section stored in base
US4748779A (en) * 1986-10-16 1988-06-07 Junji Ogawa Telescopic arm for use in civil engineering machines
US5865327A (en) * 1989-10-24 1999-02-02 J & R Engineering Co., Inc. Hydraulic boom for gantry and the like
DE4344795A1 (de) * 1993-12-28 1995-06-29 Liebherr Werk Ehingen Fahrbarer Kran mit einem Teleskopausleger
AT403040B (de) * 1994-03-18 1997-10-27 Zimmermann Horst Teleskopierstab
US6017181A (en) * 1994-05-27 2000-01-25 J&R Engineering Co., Inc. Cask transporter
DE4427192C2 (de) * 1994-08-01 1997-07-10 Franz Ehrenleitner Geschlossene Profile
EP0754646B1 (de) * 1995-07-17 2000-05-10 Montanhydraulik GmbH Teleskopiersystem
DE19525627A1 (de) * 1995-07-17 1997-01-23 Montan Hydraulik Gmbh & Co Kg Teleskopiersystem
US5755547A (en) * 1996-06-10 1998-05-26 The Heil Company Side loading refuse collection vehicle arm restraint
DE19653502C2 (de) * 1996-12-20 2000-06-21 Grove Us Llc Vorrichtung zum Arretieren bzw. Lösen der Arretierung von Schüssen eines Teleskopauslegers für einen fahrbaren Kran
DE29824453U1 (de) * 1997-05-28 2001-03-01 Mannesmann AG, 40213 Düsseldorf Kran mit einem Teleskopausleger
DE19811813B4 (de) * 1998-03-18 2005-11-24 Grove U.S. LLC (n.d.Ges.d.Staates Delaware) Seitliche Auslegerverriegelung
DE10004838B4 (de) * 1999-02-10 2006-05-04 Terex-Demag Gmbh & Co. Kg Kran mit einem Teleskopausleger
DE10007773B4 (de) * 1999-04-29 2005-07-21 Terex-Demag Gmbh & Co. Kg Kran mit einem Teleskopausleger
DE19926131B4 (de) * 1999-06-09 2007-04-19 Faun Gmbh Teleskop-Ausleger
US6685038B1 (en) 1999-10-15 2004-02-03 J & R Engineering Company, Inc. Extendible boom with locking mechanism having equalizer arrangement
DE10022373B4 (de) 2000-05-08 2005-11-24 Grove U.S. Llc Verriegelungs- und Betätigungseinheit für seitliche Auslegerverriegelung
DE10048224B4 (de) * 2000-09-21 2005-06-02 Terex-Demag Gmbh & Co. Kg Verriegelungseinheit für einen Teleskopausleger eines Krans
DE10056649C1 (de) * 2000-11-09 2002-06-13 Demag Mobile Cranes Gmbh & Co Teleskopausleger mit Verriegelungselement
DE10104310B4 (de) * 2001-01-22 2005-02-03 Terex-Demag Gmbh & Co. Kg Fahrzeugkran mit Teleskopausleger
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
US6601719B2 (en) 2001-09-21 2003-08-05 Link-Belt Construction Equipment Co., L.P., Lllp Locking and latching system for a telescoping boom
US20030071004A1 (en) * 2001-10-12 2003-04-17 Higgins David J. Extensible column
DE10158280B4 (de) * 2001-11-19 2006-09-28 Terex-Demag Gmbh & Co. Kg Bewegungsvorrichtung zur Bewegung eines Gegenstands, insbesondere der Ausleger eines Teleskopierauslegers für einen Kran
US7029072B1 (en) 2002-03-11 2006-04-18 Wirtgen America, Inc. Modified rumble strip cutter
JP4695355B2 (ja) * 2004-07-15 2011-06-08 新日本製鐵株式会社 溶接部疲労強度に優れる建設機械のブーム・アーム部材およびその製造方法
US8152409B1 (en) * 2008-06-16 2012-04-10 Ligman Peter A Apparatus for screeding concrete
DE202010014103U1 (de) * 2010-10-08 2012-01-10 Liebherr-Werk Ehingen Gmbh Auslegerelement, Teleskopausleger sowie Baufahrzeug
DE202010014105U1 (de) 2010-10-08 2012-01-10 Liebherr-Werk Ehingen Gmbh Auslegerelement, Teleskopausleger, Verbolzsystem sowie Baufahrzeug
US20140144860A1 (en) * 2012-11-27 2014-05-29 Kuo Po Hsuan Telescopic tower crane system
US20140255620A1 (en) * 2013-03-06 2014-09-11 Rolls-Royce Corporation Sonic grain refinement of laser deposits
DE102013006259B4 (de) * 2013-04-11 2024-09-12 Liebherr-Werk Ehingen Gmbh Teleskopausleger und Kran
JP6223071B2 (ja) * 2013-08-30 2017-11-01 株式会社タダノ クレーン装置のブーム伸縮機構
US9297171B1 (en) 2014-01-17 2016-03-29 Peter A. Ligman Track drive apparatus for screeding concrete
US9909267B1 (en) 2014-03-05 2018-03-06 Ligchine International Corporation Paver head assembly
US12123152B2 (en) 2015-10-23 2024-10-22 Ligchine International Corporation Side-step concrete screeding apparatus
EP3448795B1 (en) * 2016-04-25 2023-07-26 Manitowoc Crane Companies, LLC Crane with rotary locking mechanism
US10233658B1 (en) 2016-10-14 2019-03-19 Ligchine International Corporation Multi-rotational concrete screed apparatus for screeding concrete
EP3578500B1 (en) * 2018-06-04 2022-07-20 Manitowoc Crane Companies, LLC Telescoping boom with rotary extension and locking system
US11560727B2 (en) 2018-10-08 2023-01-24 Ligchine International Corporation Apparatus for screeding concrete
US11162232B2 (en) 2018-10-08 2021-11-02 Ligchine International Corporation Drive system for screeding concrete
AU2022226628A1 (en) 2021-02-23 2023-08-31 Ligchine International Corporation Swing boom concrete screeding apparatus
DE102021203701B3 (de) * 2021-04-14 2022-09-15 Tadano Faun Gmbh Hydraulik-Stellantrieb für eine Verriegelungsvorrichtung eines Teleskopauslegers, Verriegelungsvorrichtung, Teleskopausleger, Mobilkran und Verfahren zur Verstellung eines Teleskopauslegers
DE102021203700B4 (de) * 2021-04-14 2024-09-26 Tadano Faun Gmbh Verriegelungsvorrichtung für einen Teleskopausleger, Teleskopausleger und Mobilkran
WO2023076906A1 (en) 2021-10-25 2023-05-04 Ligchine International Corporation Portable telescopic conveyor belt
CN114751315A (zh) * 2022-04-20 2022-07-15 庄爱军 一种具有可折叠液压伸缩臂的高空塔机
CN116281679B (zh) * 2023-05-18 2023-10-03 四川川运重工机械有限公司 一种随车起重机及其伸展系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1217041B (de) * 1964-10-01 1966-05-18 Demag Zug Gmbh Teleskopausleger mit einem innerhalb des Auslegers angeordneten Kraftgeraet
FR1440796A (fr) * 1965-04-12 1966-06-03 Richier Sa Dispositif de verrouillage automatique d'un mât télescopique
FR2041329A5 (enExample) * 1969-04-21 1971-01-29 Ppm Sa
FR2041641A6 (enExample) * 1969-05-12 1971-01-29 Potain Sa
US3688455A (en) * 1970-10-23 1972-09-05 Sanders Associates Inc Telescoping support with double acting piston and latch and retaining means
US3738075A (en) * 1971-06-16 1973-06-12 Nat Crane Corp Extendible boom with latch means for extension and retraction

Also Published As

Publication number Publication date
US4036372A (en) 1977-07-19
BR7608426A (pt) 1977-12-13
FR2335444B3 (enExample) 1979-08-24
DE2656186A1 (de) 1977-06-16
FR2335444A1 (fr) 1977-07-15
JPS5275750A (en) 1977-06-25
GB1569315A (en) 1980-06-11

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