SE394102B - Teleskopisk kranarm vid mobilkran. - Google Patents

Teleskopisk kranarm vid mobilkran.

Info

Publication number
SE394102B
SE394102B SE7312566A SE7312566A SE394102B SE 394102 B SE394102 B SE 394102B SE 7312566 A SE7312566 A SE 7312566A SE 7312566 A SE7312566 A SE 7312566A SE 394102 B SE394102 B SE 394102B
Authority
SE
Sweden
Prior art keywords
crane
telescopic
mobile
arm
crane arm
Prior art date
Application number
SE7312566A
Other languages
English (en)
Swedish (sv)
Inventor
D C Wiencek
J A Jones
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 SE394102B publication Critical patent/SE394102B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • 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)
SE7312566A 1972-09-18 1973-09-14 Teleskopisk kranarm vid mobilkran. SE394102B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00289986A US3804262A (en) 1972-09-18 1972-09-18 Telescopic boom

Publications (1)

Publication Number Publication Date
SE394102B true SE394102B (sv) 1977-06-06

Family

ID=23114037

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7312566A SE394102B (sv) 1972-09-18 1973-09-14 Teleskopisk kranarm vid mobilkran.

Country Status (14)

Country Link
US (1) US3804262A (xx)
JP (1) JPS4970359A (xx)
BR (1) BR7307240D0 (xx)
CA (1) CA976917A (xx)
CH (1) CH560648A5 (xx)
DD (1) DD106613A5 (xx)
DE (1) DE2346004A1 (xx)
ES (1) ES418852A1 (xx)
FR (1) FR2200184B3 (xx)
GB (1) GB1405387A (xx)
IT (1) IT994275B (xx)
NL (1) NL7312853A (xx)
SE (1) SE394102B (xx)
ZA (1) ZA737240B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994025387A1 (en) * 1993-04-26 1994-11-10 Hiab Ab Extendible crane boom

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE402003C (sv) * 1976-06-23 1982-02-22 Jonsereds Fabrikers Ab Anordning vid lastapparat med teleskopiskt forlengbar kranarm och med hydraulledningar uppburna av kranarmen
GB2263270B (en) * 1992-01-20 1995-01-11 D J Ind Ltd Load handling apparatus
US5695082A (en) * 1996-04-08 1997-12-09 Pioneer Engineering Crane having a readily removable outer boom section
DE10003058A1 (de) * 2000-01-25 2001-07-26 Macmoter Spa Rohrverleger
ITTO20030957A1 (it) * 2003-11-28 2005-05-29 Cnh Italia Spa Braccio sollevatore telescopico.
NZ581080A (en) * 2007-04-16 2012-03-30 Falck Schmidt Defence Systems As Telescoping mast with gas sping actuators to force sections of the mast apart
ITMO20120312A1 (it) * 2012-12-20 2014-06-20 Cnh Italia Spa Braccio telescopico.
WO2017086844A1 (en) 2015-11-16 2017-05-26 Saab Ab Telescopic device and method for operating a telescopic device
US10889473B2 (en) * 2016-12-09 2021-01-12 Fassi Gru S.P.A. Load crane main boom
US20180273352A1 (en) * 2017-03-22 2018-09-27 Wetherell Mfg Co. Sequential piggyback cylinders for extendable boom crane
DE102017127973A1 (de) 2017-11-27 2019-05-29 Liebherr-Werk Ehingen Gmbh Teleskopausleger für einen Kran und Kran mit einem entsprechenden Teleskopausleger
IT201800004537A1 (it) * 2018-04-16 2019-10-16 Piattaforma aerea
CN109368512B (zh) * 2018-12-25 2024-02-20 西京学院 一种滑轮组增程式三级电动缸

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300060A (en) * 1965-02-03 1967-01-24 Pettibone Mulliken Corp Booms with sequential hydraulic extension
US3478894A (en) * 1967-11-27 1969-11-18 Jeffrey Galion Inc Extensible and retractable boom construction for cranes
US3481489A (en) * 1967-12-05 1969-12-02 Robert E Stauffer Means for extending and retracting boom sections of a crane
US3489294A (en) * 1968-04-25 1970-01-13 Bucyrus Erie Co Load limit control for hoisting equipment
US3633460A (en) * 1968-12-13 1972-01-11 Tadano Tekkosho Kk Extension means of a multistage extensible boom
US3605561A (en) * 1969-12-22 1971-09-20 Pettibone Corp One handle sequence selecting valving for crowd cylinders
US3658189A (en) * 1970-01-06 1972-04-25 American Hoist & Derrick Co Hydraulic extensible boom structure
US3666125A (en) * 1970-09-10 1972-05-30 Warner Swasey Co Boom assembly
US3708937A (en) * 1970-09-28 1973-01-09 Kidde & Co Walter Trapezoidal telescoping crane boom
US3736710A (en) * 1970-12-03 1973-06-05 Kidde & Co Walter Four-section fully hydraulically operated crane boom having three individually supported single piston rams contained within fly section

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994025387A1 (en) * 1993-04-26 1994-11-10 Hiab Ab Extendible crane boom
US5678708A (en) * 1993-04-26 1997-10-21 Hiab Ab Extendible crane boom

Also Published As

Publication number Publication date
DE2346004A1 (de) 1974-03-28
GB1405387A (en) 1975-09-10
BR7307240D0 (pt) 1974-06-27
CH560648A5 (xx) 1975-04-15
NL7312853A (xx) 1974-03-20
JPS4970359A (xx) 1974-07-08
FR2200184B3 (xx) 1976-08-20
DD106613A5 (xx) 1974-06-20
ZA737240B (en) 1974-10-30
FR2200184A1 (xx) 1974-04-19
ES418852A1 (es) 1976-02-16
US3804262A (en) 1974-04-16
CA976917A (en) 1975-10-28
IT994275B (it) 1975-10-20

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