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
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/en

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 (en)
JP (1) JPS5085056A (en)
BR (1) BR7409542A (en)
CA (1) CA989354A (en)
DE (1) DE2453591A1 (en)
FR (1) FR2252976B1 (en)
GB (1) GB1423128A (en)
ZA (1) ZA746741B (en)

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 (en) * 1993-08-06 1994-12-08 Liebherr Werk Ehingen Mobile crane
FR2719574B1 (en) * 1994-05-06 1996-07-26 Ppm Extension set for telescopic boom of mobile crane and mobile crane when applying.

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

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