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AU439003B2 - Two-stage extensible boom - Google Patents
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AU439003B2 - Two-stage extensible boom - Google Patents

Two-stage extensible boom

Info

Publication number
AU439003B2
AU439003B2 AU35468/68A AU3546868A AU439003B2 AU 439003 B2 AU439003 B2 AU 439003B2 AU 35468/68 A AU35468/68 A AU 35468/68A AU 3546868 A AU3546868 A AU 3546868A AU 439003 B2 AU439003 B2 AU 439003B2
Authority
AU
Australia
Prior art keywords
extensible boom
stage extensible
stage
boom
extensible
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
AU35468/68A
Other versions
AU3546868A (en
Inventor
Nakamura Tatsuo
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
Priority to AU35468/68A priority Critical patent/AU439003B2/en
Publication of AU3546868A publication Critical patent/AU3546868A/en
Application granted granted Critical
Publication of AU439003B2 publication Critical patent/AU439003B2/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
    • B66C23/62—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
AU35468/68A 1968-03-25 1968-03-25 Two-stage extensible boom Expired AU439003B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU35468/68A AU439003B2 (en) 1968-03-25 1968-03-25 Two-stage extensible boom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU35468/68A AU439003B2 (en) 1968-03-25 1968-03-25 Two-stage extensible boom

Publications (2)

Publication Number Publication Date
AU3546868A AU3546868A (en) 1969-10-02
AU439003B2 true AU439003B2 (en) 1973-08-08

Family

ID=3722766

Family Applications (1)

Application Number Title Priority Date Filing Date
AU35468/68A Expired AU439003B2 (en) 1968-03-25 1968-03-25 Two-stage extensible boom

Country Status (1)

Country Link
AU (1) AU439003B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2449636A1 (en) * 1979-02-21 1980-09-19 Gottwald Kg Leo TELESCOPIC CRANE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2449636A1 (en) * 1979-02-21 1980-09-19 Gottwald Kg Leo TELESCOPIC CRANE

Also Published As

Publication number Publication date
AU3546868A (en) 1969-10-02

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