FR1563401A - - Google Patents

Info

Publication number
FR1563401A
FR1563401A FR1563401DA FR1563401A FR 1563401 A FR1563401 A FR 1563401A FR 1563401D A FR1563401D A FR 1563401DA FR 1563401 A FR1563401 A FR 1563401A
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 FR1563401A publication Critical patent/FR1563401A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/306—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom with telescopic dipper-arm or 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
    • B66C23/705—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)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)
FR1563401D 1967-05-03 1968-05-03 Expired FR1563401A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967O0012475 DE1276305B (en) 1967-05-03 1967-05-03 Telescopic boom for crane operation, especially for excavators

Publications (1)

Publication Number Publication Date
FR1563401A true FR1563401A (en) 1969-04-11

Family

ID=7352815

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1563401D Expired FR1563401A (en) 1967-05-03 1968-05-03

Country Status (4)

Country Link
AT (1) AT287241B (en)
DE (1) DE1276305B (en)
FR (1) FR1563401A (en)
NL (1) NL6806256A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2523565A1 (en) * 1982-03-19 1983-09-23 Ppm Sa Telescopic jib with extension - has one sliding part in which is extension controlled by stops
EP0093160A1 (en) * 1981-11-04 1983-11-09 Kidde Inc Remotely operable latch and locking pin for a multi-section boom including a manual fly section.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2638185C3 (en) * 1976-08-25 1979-10-11 O & K Orenstein & Koppel Ag, 1000 Berlin Telescopic boom for mobile cranes
GB1594096A (en) * 1976-11-11 1981-07-30 Coles Cranes Ltd Telescopic booms
US4688690A (en) * 1986-03-07 1987-08-25 Harnischfeger Corporation Method and apparatus for extending fly section of crane boom
DE4018222A1 (en) * 1990-06-07 1991-12-12 Krupp Industrietech TELESCOPIC BOOM WITH CLUTCH DEVICE FOR EXTENSION ARRANGEMENT

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3171545A (en) * 1962-12-03 1965-03-02 Drott Mfg Corp Three section telescoping crane boom

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0093160A1 (en) * 1981-11-04 1983-11-09 Kidde Inc Remotely operable latch and locking pin for a multi-section boom including a manual fly section.
EP0093160A4 (en) * 1981-11-04 1984-10-29 Kidde Inc Remotely operable latch and locking pin for a multi-section boom including a manual fly section.
FR2523565A1 (en) * 1982-03-19 1983-09-23 Ppm Sa Telescopic jib with extension - has one sliding part in which is extension controlled by stops

Also Published As

Publication number Publication date
NL6806256A (en) 1968-11-04
AT287241B (en) 1971-01-11
DE1276305B (en) 1968-08-29

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