DK120314B - Teleskopisk for længelig og forkortelig kranarm. - Google Patents

Teleskopisk for længelig og forkortelig kranarm.

Info

Publication number
DK120314B
DK120314B DK90370AA DK90370A DK120314B DK 120314 B DK120314 B DK 120314B DK 90370A A DK90370A A DK 90370AA DK 90370 A DK90370 A DK 90370A DK 120314 B DK120314 B DK 120314B
Authority
DK
Denmark
Prior art keywords
telescopic
shortened
elongated
crane arm
crane
Prior art date
Application number
DK90370AA
Other languages
English (en)
Inventor
I Bru
J Andersen
Original Assignee
Sesam As
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 Sesam As filed Critical Sesam As
Publication of DK120314B publication Critical patent/DK120314B/da

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
    • B66C23/708—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic locking devices for telescopic jibs
    • 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
    • B66C23/04—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 with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
    • 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)
DK90370AA 1969-02-28 1970-02-24 Teleskopisk for længelig og forkortelig kranarm. DK120314B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO0849/69A NO119815B (da) 1969-02-28 1969-02-28

Publications (1)

Publication Number Publication Date
DK120314B true DK120314B (da) 1971-05-10

Family

ID=19877849

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90370AA DK120314B (da) 1969-02-28 1970-02-24 Teleskopisk for længelig og forkortelig kranarm.

Country Status (4)

Country Link
DE (1) DE7006641U (da)
DK (1) DK120314B (da)
NO (1) NO119815B (da)
SE (1) SE348169B (da)

Also Published As

Publication number Publication date
SE348169B (da) 1972-08-28
DE7006641U (de) 1970-08-06
NO119815B (da) 1970-07-06

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