DD107241A5 - - Google Patents

Info

Publication number
DD107241A5
DD107241A5 DD173540A DD17354073A DD107241A5 DD 107241 A5 DD107241 A5 DD 107241A5 DD 173540 A DD173540 A DD 173540A DD 17354073 A DD17354073 A DD 17354073A DD 107241 A5 DD107241 A5 DD 107241A5
Authority
DD
German Democratic Republic
Application number
DD173540A
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 filed Critical
Publication of DD107241A5 publication Critical patent/DD107241A5/xx

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
    • B66C23/705—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)
DD173540A 1972-09-18 1973-09-18 DD107241A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00290275A US3807108A (en) 1972-09-18 1972-09-18 Structural design of boom section with inverted {37 a{38 {11 frame cross-section

Publications (1)

Publication Number Publication Date
DD107241A5 true DD107241A5 (enrdf_load_stackoverflow) 1974-07-20

Family

ID=23115266

Family Applications (1)

Application Number Title Priority Date Filing Date
DD173540A DD107241A5 (enrdf_load_stackoverflow) 1972-09-18 1973-09-18

Country Status (15)

Country Link
US (1) US3807108A (enrdf_load_stackoverflow)
JP (1) JPS4970361A (enrdf_load_stackoverflow)
BR (1) BR7307174D0 (enrdf_load_stackoverflow)
CA (1) CA985219A (enrdf_load_stackoverflow)
CH (1) CH554294A (enrdf_load_stackoverflow)
DD (1) DD107241A5 (enrdf_load_stackoverflow)
DE (1) DE2346003C2 (enrdf_load_stackoverflow)
ES (1) ES418851A1 (enrdf_load_stackoverflow)
FI (1) FI56515C (enrdf_load_stackoverflow)
FR (1) FR2200186B1 (enrdf_load_stackoverflow)
GB (1) GB1405386A (enrdf_load_stackoverflow)
IT (1) IT994276B (enrdf_load_stackoverflow)
NL (1) NL7312849A (enrdf_load_stackoverflow)
SE (1) SE394103B (enrdf_load_stackoverflow)
ZA (1) ZA737241B (enrdf_load_stackoverflow)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2255251B1 (enrdf_load_stackoverflow) * 1973-12-20 1976-11-19 Creusot Loire
US3954193A (en) * 1975-02-07 1976-05-04 Walter Kidde & Company, Inc. Apparatus and method for transferring a crane boom assembly from a crane carrier to an independent transport vehicle
US4003168A (en) * 1975-06-27 1977-01-18 Walter Kidde & Company, Inc. Crane boom of trapezoidal boom sections having reinforcing rings
SE410410B (sv) * 1976-06-23 1979-10-15 Inst Elektroswarki Patona Anlaeggning foer framstaellning av metallgoet med stor vikt genom elektroslaggraffinering
NO140922C (no) * 1976-09-03 1979-12-12 Nor Mar A S Teleskoparm.
US4125974A (en) * 1977-07-08 1978-11-21 Harnischfeger Corporation Control system for telescopic boom
US4112649A (en) * 1977-08-26 1978-09-12 Harnischfeger Corporation Boom section for telescopic crane boom
US4238911A (en) * 1978-09-29 1980-12-16 Frosch Robert A Telescoping columns
GB9326347D0 (en) * 1993-12-23 1994-02-23 Grove Europ Limited Improvements in and relating to telescopic booms
DE4427192C2 (de) * 1994-08-01 1997-07-10 Franz Ehrenleitner Geschlossene Profile
US6253502B1 (en) * 1998-08-25 2001-07-03 George F. Layton Van with extensible boom
US6336565B1 (en) * 1998-12-01 2002-01-08 Joseph J. Merkel Articulating truss boom
US6244450B1 (en) * 1999-10-13 2001-06-12 Elliott Equipment Company Method and apparatus for telescoping boom with hydraulic extension actuators
CA2331105A1 (en) * 2000-01-21 2001-07-21 National Crane Corporation Anti-two block wire internal to crane telescopic boom
US20090019794A1 (en) * 2006-03-30 2009-01-22 Oscar Centelles Vilalta Device for collapsing towers in movable structures
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
US10889473B2 (en) * 2016-12-09 2021-01-12 Fassi Gru S.P.A. Load crane main boom
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

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3315821A (en) * 1966-03-15 1967-04-25 Grove Mfg Co Four-section fully hydraulically operated boom
US3243052A (en) * 1965-04-08 1966-03-29 Grove Mfg Co Telescopic crane boom with longitudinally extending cylinder connector
DE1281651C2 (de) * 1966-06-30 1975-02-13 Leo Gottwald KG, 4000 Düsseldorf Teleskopartig ein- und ausfahrbarer kranausleger
US3669281A (en) * 1967-06-05 1972-06-13 Frank G Woodside Vehicle mounted hoist
US3624979A (en) * 1969-08-25 1971-12-07 Daniel F Przybylski Telescoping hydraulic cylinder arrangement for multiple section extensible booms
US3708937A (en) * 1970-09-28 1973-01-09 Kidde & Co Walter Trapezoidal telescoping crane boom
US3719404A (en) * 1970-11-17 1973-03-06 Kidde & Co Walter Crane boom having universally swiveled wear pads
US3719403A (en) * 1970-11-17 1973-03-06 Kidde & Co Walter Crane boom having wear pads
DE2103570C3 (de) * 1971-01-26 1974-03-07 Leo Gottwald Kg, 4000 Duesseldorf Teleskopierbarer Kranausleger in Rahmenbauwei se
DE2108227C3 (de) * 1971-02-20 1975-02-06 Fa. Richard Bergner, 8540 Schwabach Aufhängung eines Luftkabels an einem an Tragmasten befestigten Erdseil einer Freileitung als Tragseil, an dem das Luftkabel girlandenartig befestigt ist
US3698569A (en) * 1971-03-22 1972-10-17 Case Co J I Mobile crane with jib extension

Also Published As

Publication number Publication date
SE394103B (sv) 1977-06-06
FI56515C (fi) 1980-02-11
ES418851A1 (es) 1976-02-01
DE2346003A1 (de) 1974-05-09
CH554294A (de) 1974-09-30
IT994276B (it) 1975-10-20
GB1405386A (en) 1975-09-10
BR7307174D0 (pt) 1974-08-15
FR2200186B1 (enrdf_load_stackoverflow) 1976-12-03
NL7312849A (enrdf_load_stackoverflow) 1974-03-20
ZA737241B (en) 1974-10-30
CA985219A (en) 1976-03-09
DE2346003C2 (de) 1983-11-17
JPS4970361A (enrdf_load_stackoverflow) 1974-07-08
FR2200186A1 (enrdf_load_stackoverflow) 1974-04-19
FI56515B (fi) 1979-10-31
US3807108A (en) 1974-04-30

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