DE1937274A1 - Telescopic boom for a crane - Google Patents

Telescopic boom for a crane

Info

Publication number
DE1937274A1
DE1937274A1 DE19691937274 DE1937274A DE1937274A1 DE 1937274 A1 DE1937274 A1 DE 1937274A1 DE 19691937274 DE19691937274 DE 19691937274 DE 1937274 A DE1937274 A DE 1937274A DE 1937274 A1 DE1937274 A1 DE 1937274A1
Authority
DE
Germany
Prior art keywords
crane
telescopic boom
boom
telescopic
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.)
Pending
Application number
DE19691937274
Other languages
German (de)
Inventor
Johnston Roger L
Ghysels David G
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
Priority to US74767368A priority Critical
Application filed by Harnischfeger Corp filed Critical Harnischfeger Corp
Publication of DE1937274A1 publication Critical patent/DE1937274A1/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/62Constructional features or details
    • B66C23/64Jibs
    • B66C23/70Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/62Constructional features or details
    • B66C23/64Jibs
    • B66C23/70Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/703Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by flexible elements, e.g. cables, chains or bands
DE19691937274 1968-07-25 1969-07-22 Telescopic boom for a crane Pending DE1937274A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US74767368A true 1968-07-25 1968-07-25

Publications (1)

Publication Number Publication Date
DE1937274A1 true DE1937274A1 (en) 1970-01-29

Family

ID=25006150

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691937274 Pending DE1937274A1 (en) 1968-07-25 1969-07-22 Telescopic boom for a crane

Country Status (4)

Country Link
US (1) US3534867A (en)
DE (1) DE1937274A1 (en)
FR (1) FR2013711A1 (en)
GB (1) GB1215798A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3137846A1 (en) * 1981-09-23 1983-04-28 Boecker Albert Gmbh & Co Kg REINFORCED TELESCOPIC BOOM
DE3447095A1 (en) * 1984-12-22 1986-07-03 Gottwald Gmbh Telescopic jib for cranes

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889818A (en) * 1973-09-21 1975-06-17 Carl G Wennerstrom Extensible crane
US3844418A (en) * 1973-11-29 1974-10-29 Case Co J I Telescoping jib assembly
US4039174A (en) * 1976-03-31 1977-08-02 Fordees Corporation Reline tower for a metallurgical furnace
JPS572508Y2 (en) * 1978-08-11 1982-01-16
DE3030821C2 (en) * 1979-08-17 1983-12-01 Coles Cranes Ltd., Sunderland, Tyne And Wear, Gb
US4352434A (en) * 1980-05-01 1982-10-05 Fmc Corporation Pendant supported hydraulic extensible boom
US4489838A (en) * 1981-08-17 1984-12-25 Fmc Corporation Low droop multi-part pendant supported boom
US4468166A (en) * 1982-07-08 1984-08-28 Fmc Corporation Apparatus for extending and retracting telescoping booms and pipelines
GB2136753A (en) * 1983-03-21 1984-09-26 Donald Lacey Smith Telescopic boom and conveyor apparatus
US4982853A (en) * 1989-02-09 1991-01-08 Hikoma Seisakusho Co., Ltd. Reinforcement mechanism for multi-stage telescopic boom
IL98944D0 (en) * 1991-07-24 1992-07-15 Hammer Mordechai Device which widens and narrows for multiplying and transferring movement in space
DE69328024T2 (en) * 1992-07-13 2000-11-23 Mordechai Hammer PORTABLE, EXTENDABLE AND COMPLETE MOVEMENT DEVICE
US20090057636A1 (en) * 2007-08-31 2009-03-05 Tait Towers Inc. Portable lift device and system
US8684197B2 (en) * 2009-05-01 2014-04-01 Manitowoc Crane Companies, Llc Crane with boom raising assist structure
CN102979078B (en) * 2012-11-22 2014-01-15 三一重工股份有限公司 Cylinder driven lifting mechanism of dynamic compaction machine and dynamic compaction machine
DE102015003982A1 (en) * 2015-03-26 2016-09-29 Liebherr-Werk Biberach Gmbh crane tower
US10711540B2 (en) 2016-05-02 2020-07-14 Cameron International Corporation Catwalk and crane system
CN110240021A (en) * 2019-06-28 2019-09-17 三一汽车起重机械有限公司 The monitoring method of cable, processor and system in single-cylinder bolt type telescopic boom

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1163497A (en) * 1915-07-28 1915-12-07 Nils Engholm Andersen Extension-boom.
US1345304A (en) * 1919-09-22 1920-06-29 Zied Samuel Derrick for vehicles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3137846A1 (en) * 1981-09-23 1983-04-28 Boecker Albert Gmbh & Co Kg REINFORCED TELESCOPIC BOOM
DE3447095A1 (en) * 1984-12-22 1986-07-03 Gottwald Gmbh Telescopic jib for cranes

Also Published As

Publication number Publication date
GB1215798A (en) 1970-12-16
FR2013711A1 (en) 1970-04-03
US3534867A (en) 1970-10-20

Similar Documents

Publication Publication Date Title
DE6933480U (en) tripod
NL157576B (en) Telescopic crane arm.
DE1956885A1 (en) Shovel structure for flow machines
BE823704A (en) Telescopic crane boom
DE1943167A1 (en) Hose connection
CH474635A (en) Telescopic excavator
DE1944214A1 (en) Slewing crane chassis
IT1033913B (en) Telescopic crane
DE1431944A1 (en) Mobile jib crane
FI49700C (en) Overload protection equipment for telescopic boom cranes.
BR7106640D0 (en) Improvement on telescopic crane boom
DE1928683A1 (en) Pneumatically operating crane winch
DE1924223B2 (en) Side loader
AT304968B (en) Hose tie
FI44279C (en) Boom crane telescopic boom control system
DE1814391A1 (en) Excavator tank
DE1937922A1 (en) Muendungsstueck for a Flare Stack
DE1921937B2 (en) Excitation arrangement for a laser
DE1959025A1 (en) Hydraulic drive device for a rope elevator
DE1815994A1 (en) hydraulic Ventilstoessel
DE1807911B2 (en) Hydraulic arbeitskreis for the telescope drive a telescoping three-part crane outrigger
DE1756948B2 (en) Single girder crane
DE1759912A1 (en) Backhoe loader
DE2242001A1 (en) Additional lifting device for cranes
DE1581086A1 (en) Stacker crane