DE2346003C2 - Teleskop-Kranausleger - Google Patents

Teleskop-Kranausleger

Info

Publication number
DE2346003C2
DE2346003C2 DE2346003A DE2346003A DE2346003C2 DE 2346003 C2 DE2346003 C2 DE 2346003C2 DE 2346003 A DE2346003 A DE 2346003A DE 2346003 A DE2346003 A DE 2346003A DE 2346003 C2 DE2346003 C2 DE 2346003C2
Authority
DE
Germany
Prior art keywords
section
telescopic
plate
boom
plates
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
DE2346003A
Other languages
German (de)
English (en)
Other versions
DE2346003A1 (de
Inventor
Roger L. Wayne Ill. Johnston
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 DE2346003A1 publication Critical patent/DE2346003A1/de
Application granted granted Critical
Publication of DE2346003C2 publication Critical patent/DE2346003C2/de
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
    • 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)
DE2346003A 1972-09-18 1973-09-12 Teleskop-Kranausleger Expired DE2346003C2 (de)

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 (2)

Publication Number Publication Date
DE2346003A1 DE2346003A1 (de) 1974-05-09
DE2346003C2 true DE2346003C2 (de) 1983-11-17

Family

ID=23115266

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2346003A Expired DE2346003C2 (de) 1972-09-18 1973-09-12 Teleskop-Kranausleger

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4427192A1 (de) * 1994-08-01 1996-02-15 Ehrenleitner Franz Geschlossene Profile

Families Citing this family (18)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4427192A1 (de) * 1994-08-01 1996-02-15 Ehrenleitner Franz Geschlossene Profile

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
JPS4970361A (enrdf_load_stackoverflow) 1974-07-08
FR2200186A1 (enrdf_load_stackoverflow) 1974-04-19
FI56515B (fi) 1979-10-31
US3807108A (en) 1974-04-30
DD107241A5 (enrdf_load_stackoverflow) 1974-07-20

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Legal Events

Date Code Title Description
OD Request for examination
8125 Change of the main classification

Ipc: B66C 23/04

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee