ZA746741B - Telescoping jib assembly - Google Patents

Telescoping jib assembly

Info

Publication number
ZA746741B
ZA746741B ZA00746741A ZA746741A ZA746741B ZA 746741 B ZA746741 B ZA 746741B ZA 00746741 A ZA00746741 A ZA 00746741A ZA 746741 A ZA746741 A ZA 746741A ZA 746741 B ZA746741 B ZA 746741B
Authority
ZA
South Africa
Prior art keywords
jib assembly
telescoping jib
telescoping
assembly
jib
Prior art date
Application number
ZA00746741A
Other languages
English (en)
Inventor
G Lamer
Original Assignee
Case Co J I
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 Case Co J I filed Critical Case Co J I
Publication of ZA746741B publication Critical patent/ZA746741B/xx

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
    • 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)
  • Jib Cranes (AREA)
ZA00746741A 1973-11-29 1974-10-23 Telescoping jib assembly ZA746741B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00420011A US3844418A (en) 1973-11-29 1973-11-29 Telescoping jib assembly

Publications (1)

Publication Number Publication Date
ZA746741B true ZA746741B (en) 1975-11-26

Family

ID=23664701

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00746741A ZA746741B (en) 1973-11-29 1974-10-23 Telescoping jib assembly

Country Status (8)

Country Link
US (1) US3844418A (https=)
JP (1) JPS5085056A (https=)
BR (1) BR7409542A (https=)
CA (1) CA989354A (https=)
DE (1) DE2453591A1 (https=)
FR (1) FR2252976B1 (https=)
GB (1) GB1423128A (https=)
ZA (1) ZA746741B (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1602685A (en) * 1978-05-31 1981-11-11 Coles Cranes Ltd Mobile cranes
CA1143321A (en) * 1981-04-09 1983-03-22 Donald L. Smith Retractable conveyor belt
US4544321A (en) * 1983-10-26 1985-10-01 John Lanier Apparatus for moving a wheelchair into and out of an automobile
DE9311778U1 (de) * 1993-08-06 1994-12-08 Liebherr-Werk Ehingen Gmbh, 89584 Ehingen Mobilkran
FR2719574B1 (fr) * 1994-05-06 1996-07-26 Ppm Ensemble de prolongation pour flèche télescopique de grue mobile et grue mobile en faisant application.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2896750A (en) * 1956-04-20 1959-07-28 Jay M Eitel Telescoping assembly
US3044312A (en) * 1960-05-20 1962-07-17 Curtiss Wright Corp Mechanism for converting rotary to linear movement
US3414086A (en) * 1966-08-19 1968-12-03 Eaton Yale & Towne Plural upright mechanism
US3534867A (en) * 1968-07-25 1970-10-20 Harnischfeger Corp Compensating boom hoist cable system for a telescopic boom for cranes or the like
US3565217A (en) * 1968-10-10 1971-02-23 Alaska Elevator Corp Offshore elevator improvements
US3732988A (en) * 1970-10-12 1973-05-15 Case Co J I Jib assembly for telescoping crane boom

Also Published As

Publication number Publication date
GB1423128A (en) 1976-01-28
US3844418A (en) 1974-10-29
BR7409542A (pt) 1976-05-25
FR2252976B1 (https=) 1979-10-12
CA989354A (en) 1976-05-18
FR2252976A1 (https=) 1975-06-27
DE2453591A1 (de) 1975-06-05
JPS5085056A (https=) 1975-07-09

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