JPS491821B1 - - Google Patents

Info

Publication number
JPS491821B1
JPS491821B1 JP45002001A JP20017069A JPS491821B1 JP S491821 B1 JPS491821 B1 JP S491821B1 JP 45002001 A JP45002001 A JP 45002001A JP 20017069 A JP20017069 A JP 20017069A JP S491821 B1 JPS491821 B1 JP S491821B1
Authority
JP
Japan
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.)
Pending
Application number
JP45002001A
Other languages
Japanese (ja)
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 JPS491821B1 publication Critical patent/JPS491821B1/ja
Pending 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
    • 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)
JP45002001A 1968-12-30 1969-12-29 Pending JPS491821B1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR182223 1968-12-30

Publications (1)

Publication Number Publication Date
JPS491821B1 true JPS491821B1 (zh) 1974-01-17

Family

ID=8659538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45002001A Pending JPS491821B1 (zh) 1968-12-30 1969-12-29

Country Status (4)

Country Link
US (1) USRE27763E (zh)
JP (1) JPS491821B1 (zh)
FR (1) FR1601845A (zh)
GB (1) GB1221510A (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819063A (en) * 1972-09-22 1974-06-25 Chance Co Convertible sheave assembly for telescoping derricks
FR2444639A1 (fr) * 1978-12-20 1980-07-18 Potain Sa Equipement de manutention, notamment pour un engin automoteur
US5743149A (en) * 1996-02-26 1998-04-28 Skyjack Equipment Inc. Articulated telescopic boom having slide-through knuckle
US6186346B1 (en) 1998-03-20 2001-02-13 Grove U.S. L.L.C. Multi-position low profile boom nose
DE10139827A1 (de) * 2001-08-14 2003-03-13 Infineon Technologies Ag Speicherzelle mit Grabenkondensator und vertikalem Auswahltransistor und einem zwischen diesen geformten ringförmigen Kontaktierungsbereich
DE102006023371A1 (de) * 2006-05-16 2007-11-22 Terex-Demag Gmbh & Co. Kg Teleskopierbarer Kranausleger
DE202008008173U1 (de) * 2008-06-18 2009-11-05 Liebherr-Werk Ehingen Gmbh Teleskopierbarer Kranausleger
ITMI20131680A1 (it) * 2013-10-11 2015-04-12 Cifa Spa Dispositivo ausiliario per una gru e gru comprendente tale dispositivo ausiliario

Also Published As

Publication number Publication date
DE1965118A1 (de) 1970-08-06
FR1601845A (zh) 1970-09-14
USRE27763E (en) 1973-09-18
GB1221510A (en) 1971-02-03
DE1965118B2 (de) 1972-11-23

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