NL7305432A - - Google Patents

Info

Publication number
NL7305432A
NL7305432A NL7305432A NL7305432A NL7305432A NL 7305432 A NL7305432 A NL 7305432A NL 7305432 A NL7305432 A NL 7305432A NL 7305432 A NL7305432 A NL 7305432A NL 7305432 A NL7305432 A NL 7305432A
Authority
NL
Netherlands
Application number
NL7305432A
Other versions
NL176248C (en
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
Publication of NL7305432A publication Critical patent/NL7305432A/xx
Application granted granted Critical
Publication of NL176248C publication Critical patent/NL176248C/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
    • B66C23/64—Jibs
    • B66C23/68—Jibs foldable or otherwise adjustable in configuration
    • 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
    • B66C23/26—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • 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
NL7305432A 1972-04-20 1973-04-18 FOLDABLE TOWER CRANE. NL176248C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7214940A FR2180614B2 (en) 1972-04-20 1972-04-20

Publications (2)

Publication Number Publication Date
NL7305432A true NL7305432A (en) 1973-10-23
NL176248C NL176248C (en) 1985-03-18

Family

ID=9097596

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7305432A NL176248C (en) 1972-04-20 1973-04-18 FOLDABLE TOWER CRANE.

Country Status (6)

Country Link
DE (1) DE2318314C2 (en)
DK (1) DK141283B (en)
ES (1) ES413735A1 (en)
FR (1) FR2180614B2 (en)
IT (1) IT1045305B (en)
NL (1) NL176248C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306158A1 (en) * 1975-04-03 1976-10-29 Cadillon Roger Telescopic tower crane jib - has constant length component between tower and hinging head section keeping it horizontal
FR2422581A1 (en) * 1978-04-10 1979-11-09 Potain Sa Tower crane with telescopic mast - has ground counterbalancing beam for rope passing over pulley above end of jib
FR2424871A1 (en) * 1978-05-03 1979-11-30 Cadillon Transportable crane with folding boom - uses cables controlling load carriage to fold boom for transport
US4653655A (en) * 1985-12-23 1987-03-31 Harnischfeger Corporation Crane boom having variable angle offset capability
DE4314779C2 (en) * 1993-05-05 2000-02-03 Terex Peiner Gmbh Collapsible truss boom for a tower crane
EP1057776B1 (en) * 1999-06-02 2004-08-18 Jean-Marc Yerly Articulated jib crane
DE102009022262A1 (en) * 2009-05-22 2010-11-25 Terex Demag Gmbh Angular adjustment of a boom system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2888151A (en) * 1953-12-28 1959-05-26 Pitman Mfg Company Hydraulic folding gooseneck boom
IT713141A (en) * 1964-01-09
FR2086359B1 (en) * 1970-04-25 1974-04-05 Herbert Eduard

Also Published As

Publication number Publication date
FR2180614A2 (en) 1973-11-30
ES413735A1 (en) 1976-01-16
FR2180614B2 (en) 1976-03-12
DK141283C (en) 1980-07-28
DE2318314C2 (en) 1984-05-30
IT1045305B (en) 1980-05-10
DE2318314A1 (en) 1973-11-15
DK141283B (en) 1980-02-18
NL176248C (en) 1985-03-18

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee