FR1580387A - - Google Patents

Info

Publication number
FR1580387A
FR1580387A FR1580387DA FR1580387A FR 1580387 A FR1580387 A FR 1580387A FR 1580387D A FR1580387D A FR 1580387DA FR 1580387 A FR1580387 A FR 1580387A
Authority
FR
France
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1580387A publication Critical patent/FR1580387A/fr
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
    • B66C23/703—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by flexible elements, e.g. cables, chains or bands

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1580387D 1968-07-03 1968-07-03 Expired FR1580387A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR157644 1968-07-03

Publications (1)

Publication Number Publication Date
FR1580387A true FR1580387A (ko) 1969-09-05

Family

ID=8652009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1580387D Expired FR1580387A (ko) 1968-07-03 1968-07-03

Country Status (1)

Country Link
FR (1) FR1580387A (ko)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2463742A1 (fr) * 1979-08-17 1981-02-27 Coles Cranes Ltd Grue equipee d'un mecanisme destine a allonger et raccourcir sa fleche telescopique
US4907768A (en) * 1987-02-25 1990-03-13 Masseron Alain O F Telescoping crane
WO1994001254A1 (en) * 1992-07-13 1994-01-20 Friedman, Mark, M. Extendible and retractable device
US5324086A (en) * 1991-07-24 1994-06-28 Mordechai Hammer Device capable of positive extension and retraction using a casading force transfer
US5758785A (en) * 1995-06-22 1998-06-02 Spinosa; Dominic Lifting system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2463742A1 (fr) * 1979-08-17 1981-02-27 Coles Cranes Ltd Grue equipee d'un mecanisme destine a allonger et raccourcir sa fleche telescopique
US4363413A (en) * 1979-08-17 1982-12-14 Coles Cranes Limited Endless chain drive for telescopic jib sections
US4907768A (en) * 1987-02-25 1990-03-13 Masseron Alain O F Telescoping crane
US5324086A (en) * 1991-07-24 1994-06-28 Mordechai Hammer Device capable of positive extension and retraction using a casading force transfer
WO1994001254A1 (en) * 1992-07-13 1994-01-20 Friedman, Mark, M. Extendible and retractable device
US5758785A (en) * 1995-06-22 1998-06-02 Spinosa; Dominic Lifting system

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Legal Events

Date Code Title Description
ST Notification of lapse