ZA746742B - Boom and jib assembly for boom crane - Google Patents

Boom and jib assembly for boom crane

Info

Publication number
ZA746742B
ZA746742B ZA00746742A ZA746742A ZA746742B ZA 746742 B ZA746742 B ZA 746742B ZA 00746742 A ZA00746742 A ZA 00746742A ZA 746742 A ZA746742 A ZA 746742A ZA 746742 B ZA746742 B ZA 746742B
Authority
ZA
South Africa
Prior art keywords
boom
crane
jib assembly
jib
assembly
Prior art date
Application number
ZA00746742A
Inventor
G Lamer
Original Assignee
Case Co J I
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 Case Co J I filed Critical Case Co J I
Publication of ZA746742B publication Critical patent/ZA746742B/en

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
    • B66C23/82—Luffing gear
    • 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
    • B66C23/702—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic with a jib extension boom
ZA00746742A 1973-11-29 1974-10-23 Boom and jib assembly for boom crane ZA746742B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00420168A US3856151A (en) 1973-11-29 1973-11-29 Telescopic boom and jib assembly with means to maintain a predetermined angular position therebetween

Publications (1)

Publication Number Publication Date
ZA746742B true ZA746742B (en) 1975-11-26

Family

ID=23665349

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00746742A ZA746742B (en) 1973-11-29 1974-10-23 Boom and jib assembly for boom crane

Country Status (8)

Country Link
US (1) US3856151A (en)
JP (1) JPS5546357B2 (en)
BR (1) BR7409543A (en)
CA (1) CA1002003A (en)
DE (1) DE2453592A1 (en)
FR (1) FR2252975B1 (en)
GB (1) GB1433448A (en)
ZA (1) ZA746742B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3030821C2 (en) * 1979-08-17 1983-12-01 Coles Cranes Ltd., Sunderland, Tyne and Wear Telescopic boom rope guying
US4352434A (en) * 1980-05-01 1982-10-05 Fmc Corporation Pendant supported hydraulic extensible boom
US4431109A (en) * 1981-02-25 1984-02-14 Fmc Corporation Boom extension stowage system
US4491229A (en) * 1981-02-25 1985-01-01 Fmc Corporation Boom extension stowage system
US4489838A (en) * 1981-08-17 1984-12-25 Fmc Corporation Low droop multi-part pendant supported boom
US4467928A (en) * 1982-06-30 1984-08-28 Fmc Corporation Pendant supported boom with fixed and live pendant portions
US4460098A (en) * 1982-06-30 1984-07-17 Fmc Corporation Pendant control system for pendant supported boom
US4544071A (en) * 1982-06-30 1985-10-01 Fmc Corporation External pendant pay-out system with anti-droop control
US4557391A (en) * 1982-06-30 1985-12-10 Fmc Corporation Method of controlling the angle of a pivotal boom with extensible sections
US4491228A (en) * 1982-06-30 1985-01-01 Fmc Corporation Floating sheave type pendant pay-out system for pendant supported boom
US4492312A (en) * 1982-06-30 1985-01-08 Fmc Corporation External pendant pay-out system with anti-droop control
JPS6132193U (en) * 1984-07-27 1986-02-26 株式会社タダノ Lifting device for top-up jib
US4936817A (en) * 1988-04-27 1990-06-26 Kraft, Inc. Reclosable bag
FR2799029B1 (en) 1999-09-24 2002-05-24 Ge Medical Syst Sa METHOD FOR RECONSTRUCTING A THREE-DIMENSIONAL IMAGE OF A MOVING OBJECT, IN PARTICULAR A THREE-DIMENSIONAL IMAGE OF VESSELS OF THE HUMAN HEART
EP2253575B1 (en) * 2009-05-20 2013-01-16 Manitowoc Crane Companies, LLC Crane backstay spreader
CN101700856B (en) * 2009-10-30 2013-04-24 上海三一科技有限公司 Hydraulic system for automatically controlling mast retraction of crawler crane

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL276437A (en) *
US1920370A (en) * 1931-11-14 1933-08-01 Charles E Forsythe Extension boom for cranes
DE918320C (en) * 1952-01-10 1954-09-23 Franz Putz Excavator, crane or similar device with an extendable boom
US3374901A (en) * 1965-05-06 1968-03-26 Ferwerda Ray Live boom supporting live boom or hoist track
US3622013A (en) * 1969-04-29 1971-11-23 Case Co J I Extensible boom structure
US3732988A (en) * 1970-10-12 1973-05-15 Case Co J I Jib assembly for telescoping crane boom
US3658191A (en) * 1970-12-14 1972-04-25 Thomas V Murphy Crane for extracting horizontally-aligned relatively-long tube bundles

Also Published As

Publication number Publication date
JPS5085057A (en) 1975-07-09
JPS5546357B2 (en) 1980-11-22
DE2453592A1 (en) 1975-06-05
US3856151A (en) 1974-12-24
BR7409543A (en) 1976-05-25
FR2252975B1 (en) 1979-10-12
FR2252975A1 (en) 1975-06-27
CA1002003A (en) 1976-12-21
GB1433448A (en) 1976-04-28

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