GB1390469A - Telescopic crane jibs - Google Patents

Telescopic crane jibs

Info

Publication number
GB1390469A
GB1390469A GB4423273A GB4423273A GB1390469A GB 1390469 A GB1390469 A GB 1390469A GB 4423273 A GB4423273 A GB 4423273A GB 4423273 A GB4423273 A GB 4423273A GB 1390469 A GB1390469 A GB 1390469A
Authority
GB
United Kingdom
Prior art keywords
locking
bolt
jib
telescopic
nose
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
GB4423273A
Other languages
English (en)
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.)
Leo Gottwald KG
Original Assignee
Leo Gottwald KG
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
Priority claimed from DE19722247491 external-priority patent/DE2247491C2/de
Priority claimed from DE19722249309 external-priority patent/DE2249309A1/de
Application filed by Leo Gottwald KG filed Critical Leo Gottwald KG
Publication of GB1390469A publication Critical patent/GB1390469A/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
    • B66C23/708—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
    • B66C23/62—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)
GB4423273A 1972-09-28 1973-09-20 Telescopic crane jibs Expired GB1390469A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722247491 DE2247491C2 (de) 1972-09-28 1972-09-28 Teleskopierbarer Kranausleger mit Hubverdopplung
DE19722249309 DE2249309A1 (de) 1972-10-07 1972-10-07 Teleskopierbarer kranausleger mit verriegelungsvorrichtung

Publications (1)

Publication Number Publication Date
GB1390469A true GB1390469A (en) 1975-04-16

Family

ID=25763896

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4423273A Expired GB1390469A (en) 1972-09-28 1973-09-20 Telescopic crane jibs

Country Status (3)

Country Link
US (1) US3845866A (cs)
FR (1) FR2201240B2 (cs)
GB (1) GB1390469A (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI802255A7 (fi) * 1979-07-25 1981-01-01 Coles Cranes Ltd Nosturin puomi.
US4327533A (en) * 1980-08-13 1982-05-04 Kidde, Inc. Crane boom extending, retracting and cooperative latching arrangement
DE29824453U1 (de) * 1997-05-28 2001-03-01 Mannesmann AG, 40213 Düsseldorf Kran mit einem Teleskopausleger
DE19811813B4 (de) * 1998-03-18 2005-11-24 Grove U.S. LLC (n.d.Ges.d.Staates Delaware) Seitliche Auslegerverriegelung
DE10007773B4 (de) * 1999-04-29 2005-07-21 Terex-Demag Gmbh & Co. Kg Kran mit einem Teleskopausleger
US20030071004A1 (en) * 2001-10-12 2003-04-17 Higgins David J. Extensible column
CN100520340C (zh) * 2006-12-07 2009-07-29 辽宁省安全科学研究院 高处作业吊篮安全锁试验装置
CN110902582B (zh) * 2019-12-04 2021-07-09 太原重工股份有限公司 伸缩臂及包括这种伸缩臂的起重机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1907024A (en) * 1929-12-13 1933-05-02 Willard Portable hoist
FR1023182A (fr) * 1950-08-09 1953-03-16 Grue
FR1264080A (fr) * 1960-05-05 1961-06-19 Const Metallurg Jean Faure Ate Mode de surélévation des grues à tour
JPS4917188B1 (cs) * 1970-03-18 1974-04-27
US3774727A (en) * 1971-08-25 1973-11-27 Bygg Och Transportekronomi Ab Lift trucks having a three-stage lift mast

Also Published As

Publication number Publication date
FR2201240A2 (cs) 1974-04-26
US3845866A (en) 1974-11-05
FR2201240B2 (cs) 1978-07-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee