GB2100701B - Boom extension for crane - Google Patents

Boom extension for crane

Info

Publication number
GB2100701B
GB2100701B GB08213740A GB8213740A GB2100701B GB 2100701 B GB2100701 B GB 2100701B GB 08213740 A GB08213740 A GB 08213740A GB 8213740 A GB8213740 A GB 8213740A GB 2100701 B GB2100701 B GB 2100701B
Authority
GB
United Kingdom
Prior art keywords
crane
boom extension
boom
extension
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
GB08213740A
Other versions
GB2100701A (en
Inventor
Lembit Vaerk
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.)
Harnischfeger Corp
Original Assignee
Harnischfeger Corp
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 Harnischfeger Corp filed Critical Harnischfeger Corp
Publication of GB2100701A publication Critical patent/GB2100701A/en
Application granted granted Critical
Publication of GB2100701B publication Critical patent/GB2100701B/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
    • 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)
GB08213740A 1981-06-24 1982-05-12 Boom extension for crane Expired GB2100701B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27705581A 1981-06-24 1981-06-24

Publications (2)

Publication Number Publication Date
GB2100701A GB2100701A (en) 1983-01-06
GB2100701B true GB2100701B (en) 1985-04-24

Family

ID=23059212

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08213740A Expired GB2100701B (en) 1981-06-24 1982-05-12 Boom extension for crane

Country Status (7)

Country Link
JP (1) JPS582190A (en)
BR (1) BR8203293A (en)
CA (1) CA1179982A (en)
DE (1) DE3223620A1 (en)
FR (1) FR2508427A1 (en)
GB (1) GB2100701B (en)
MX (1) MX157503A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19721298C2 (en) 1997-05-21 2001-09-06 Mannesmann Sachs Ag Hybrid travel drive for a motor vehicle
CN102398863A (en) * 2011-07-05 2012-04-04 上海三一科技有限公司 Support structure capable of improving jib bearing capacity and crane with the support structure
DE202022103551U1 (en) 2022-06-27 2022-07-18 Tadano Demag Gmbh Boom section, boom and mobile crane herewith

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109523A (en) * 1960-09-01 1963-11-05 Skytop Rig Co Folding derrick
DE6804349U (en) * 1968-10-28 1969-10-23 Karl Kaesebahrer Gmbh Fa JIB CRANE, IN PARTICULAR TRUCK CRANE
SE337089B (en) * 1970-01-27 1971-07-26 Linden Alimak Ab
JPS5115859U (en) * 1974-07-22 1976-02-05
US3945333A (en) * 1974-12-20 1976-03-23 Harnischfeger Corporation Means for storing and connecting jib for telescopic boom of mobile crane
US4141455A (en) * 1977-07-14 1979-02-27 Harnischfeger Corporation Means for storing and connecting jib on telescopic crane boom
JPS6142304Y2 (en) * 1979-09-27 1986-12-01

Also Published As

Publication number Publication date
CA1179982A (en) 1984-12-27
GB2100701A (en) 1983-01-06
BR8203293A (en) 1983-05-24
JPS582190A (en) 1983-01-07
FR2508427A1 (en) 1982-12-31
MX157503A (en) 1988-11-28
DE3223620A1 (en) 1983-01-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee