CA1067861A - Telescopic boom for mobile crane - Google Patents

Telescopic boom for mobile crane

Info

Publication number
CA1067861A
CA1067861A CA285,486A CA285486A CA1067861A CA 1067861 A CA1067861 A CA 1067861A CA 285486 A CA285486 A CA 285486A CA 1067861 A CA1067861 A CA 1067861A
Authority
CA
Canada
Prior art keywords
slide
telescopic
bar
boom
openings
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
CA285,486A
Other languages
English (en)
French (fr)
Inventor
Wilhelm Kranefeld
Helmut Schneider
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.)
CNH Industrial Baumaschinen GmbH
Original Assignee
O&K Orenstein and Koppel GmbH
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 O&K Orenstein and Koppel GmbH filed Critical O&K Orenstein and Koppel GmbH
Application granted granted Critical
Publication of CA1067861A publication Critical patent/CA1067861A/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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/42—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
    • 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)
CA285,486A 1976-08-25 1977-08-25 Telescopic boom for mobile crane Expired CA1067861A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2638185A DE2638185C3 (de) 1976-08-25 1976-08-25 Teleskopausleger für fahrbare Krane

Publications (1)

Publication Number Publication Date
CA1067861A true CA1067861A (en) 1979-12-11

Family

ID=5986298

Family Applications (1)

Application Number Title Priority Date Filing Date
CA285,486A Expired CA1067861A (en) 1976-08-25 1977-08-25 Telescopic boom for mobile crane

Country Status (9)

Country Link
US (1) US4100707A (forum.php)
JP (1) JPS5340952A (forum.php)
CA (1) CA1067861A (forum.php)
CH (1) CH621101A5 (forum.php)
DE (1) DE2638185C3 (forum.php)
FR (1) FR2362785A2 (forum.php)
GB (1) GB1590879A (forum.php)
IT (1) IT1115772B (forum.php)
NL (1) NL7709418A (forum.php)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5624711Y2 (forum.php) * 1978-12-27 1981-06-10
DE2926292A1 (de) * 1979-06-29 1981-01-08 Harnischfeger Gmbh Insbesondere mobiler teleskopauslegerkran
JPS5637991A (en) * 1979-08-31 1981-04-11 Shin Meiwa Ind Co Ltd Expansion device in multistage boom
US4295661A (en) * 1980-01-10 1981-10-20 J. I. Case Company Latching mechanism for machine stabilizer arms using hydraulic cylinders
US4434902A (en) 1981-03-05 1984-03-06 Fmc Corporation Apparatus for extending and retracting a manual boom section
DE3343088A1 (de) * 1983-11-29 1985-06-05 Gottwald GmbH, 4000 Düsseldorf Kran mit teleskopausleger
US4748779A (en) * 1986-10-16 1988-06-07 Junji Ogawa Telescopic arm for use in civil engineering machines
US6253502B1 (en) * 1998-08-25 2001-07-03 George F. Layton Van with extensible boom
DE10104310B4 (de) * 2001-01-22 2005-02-03 Terex-Demag Gmbh & Co. Kg Fahrzeugkran mit Teleskopausleger
US7299589B2 (en) * 2003-10-22 2007-11-27 Harris Corporation Telescoping boom actuation mechanism formed of concentrically nested tubular boom sections mutually engaged by roller assemblies riding on helical tracks
CN115043337B (zh) * 2022-08-15 2023-08-11 徐州重型机械有限公司 一种臂架系统、起重机及臂架系统控制方法
CN120081308A (zh) * 2025-05-07 2025-06-03 江苏虹福造船有限公司 一种船舶用货物吊装起重装卸设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1506519C2 (de) * 1965-04-08 1974-10-31 Grove Manufacturing Company, Shady Grove, Pa. (V.St.A.) Teleskopausleger
DE1276305B (de) * 1967-05-03 1968-08-29 Orenstein & Koppel Ag Teleskopausleger fuer Kranbetrieb, insbesondere bei Erdbaggern
DE1944463A1 (de) * 1969-09-02 1971-03-04 Krupp Gmbh Mehrfacher Teleskopausleger,insbesondere fuer einen Autokran
US3795321A (en) * 1972-05-18 1974-03-05 Harnischfeger Corp Telescoping crane boom
GB1376427A (en) * 1973-06-07 1974-12-04 Harnischfeger Corp Telescoping crane boom
US4036372A (en) * 1975-12-15 1977-07-19 Clark Equipment Company Extension and retraction means for the telescopic boom assembly of a crane

Also Published As

Publication number Publication date
FR2362785B2 (forum.php) 1980-06-13
JPS5340952A (en) 1978-04-13
DE2638185B2 (de) 1979-02-22
US4100707A (en) 1978-07-18
NL7709418A (nl) 1978-02-28
CH621101A5 (forum.php) 1981-01-15
FR2362785A2 (fr) 1978-03-24
JPS5720236B2 (forum.php) 1982-04-27
IT1115772B (it) 1986-02-03
DE2638185A1 (de) 1978-03-02
GB1590879A (en) 1981-06-10
DE2638185C3 (de) 1979-10-11

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