DE2453592A1 - Kran - Google Patents

Kran

Info

Publication number
DE2453592A1
DE2453592A1 DE19742453592 DE2453592A DE2453592A1 DE 2453592 A1 DE2453592 A1 DE 2453592A1 DE 19742453592 DE19742453592 DE 19742453592 DE 2453592 A DE2453592 A DE 2453592A DE 2453592 A1 DE2453592 A1 DE 2453592A1
Authority
DE
Germany
Prior art keywords
boom
wire rope
section
arm
attached
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.)
Withdrawn
Application number
DE19742453592
Other languages
German (de)
English (en)
Inventor
Gerald P Lamer
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.)
Case LLC
Original Assignee
JI Case Co
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 JI Case Co filed Critical JI Case Co
Publication of DE2453592A1 publication Critical patent/DE2453592A1/de
Withdrawn legal-status Critical Current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
    • B66C23/82—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
DE19742453592 1973-11-29 1974-11-09 Kran Withdrawn DE2453592A1 (de)

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
DE2453592A1 true DE2453592A1 (de) 1975-06-05

Family

ID=23665349

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742453592 Withdrawn DE2453592A1 (de) 1973-11-29 1974-11-09 Kran

Country Status (8)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0339817A3 (en) * 1988-04-27 1992-07-01 Kraft, Incorporated Reclosable bag

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3030821C2 (de) * 1979-08-17 1983-12-01 Coles Cranes Ltd., Sunderland, Tyne and Wear Teleskopausleger-Seilabspannung
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
US4492312A (en) * 1982-06-30 1985-01-08 Fmc Corporation External pendant pay-out system with anti-droop control
US4544071A (en) * 1982-06-30 1985-10-01 Fmc Corporation External pendant pay-out system with anti-droop control
US4491228A (en) * 1982-06-30 1985-01-01 Fmc Corporation Floating sheave type pendant pay-out system for pendant supported boom
US4557391A (en) * 1982-06-30 1985-12-10 Fmc Corporation Method of controlling the angle of a pivotal boom with extensible sections
JPS6132193U (ja) * 1984-07-27 1986-02-26 株式会社タダノ 継ぎ足しジブの起伏装置
FR2799029B1 (fr) 1999-09-24 2002-05-24 Ge Medical Syst Sa Procede de reconstruction d'une image tridimensionnelle d'un objet en mouvement, en particulier une image tridimensionnelle de vaisseaux du coeur humain
EP2253575B1 (en) * 2009-05-20 2013-01-16 Manitowoc Crane Companies, LLC Crane backstay spreader
CN101700856B (zh) * 2009-10-30 2013-04-24 上海三一科技有限公司 履带起重机桅杆收放自动控制液压系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL276437A (enrdf_load_stackoverflow) *
US1920370A (en) * 1931-11-14 1933-08-01 Charles E Forsythe Extension boom for cranes
DE918320C (de) * 1952-01-10 1954-09-23 Franz Putz Bagger, Kran oder aehnliches Geraet mit ausziehbarem Ausleger
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0339817A3 (en) * 1988-04-27 1992-07-01 Kraft, Incorporated Reclosable bag

Also Published As

Publication number Publication date
JPS5546357B2 (enrdf_load_stackoverflow) 1980-11-22
JPS5085057A (enrdf_load_stackoverflow) 1975-07-09
CA1002003A (en) 1976-12-21
FR2252975B1 (enrdf_load_stackoverflow) 1979-10-12
US3856151A (en) 1974-12-24
GB1433448A (en) 1976-04-28
FR2252975A1 (enrdf_load_stackoverflow) 1975-06-27
ZA746742B (en) 1975-11-26
BR7409543A (pt) 1976-05-25

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee