FR1448696A - Crane telescopic boom structure and method for expanding its sections - Google Patents

Crane telescopic boom structure and method for expanding its sections

Info

Publication number
FR1448696A
FR1448696A FR33486A FR33486A FR1448696A FR 1448696 A FR1448696 A FR 1448696A FR 33486 A FR33486 A FR 33486A FR 33486 A FR33486 A FR 33486A FR 1448696 A FR1448696 A FR 1448696A
Authority
FR
France
Prior art keywords
expanding
sections
telescopic boom
boom structure
crane telescopic
Prior art date
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
FR33486A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grove Manufacturing Co
Original Assignee
Grove Manufacturing Co
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 Grove Manufacturing Co filed Critical Grove Manufacturing Co
Priority to FR33486A priority Critical patent/FR1448696A/en
Application granted granted Critical
Publication of FR1448696A publication Critical patent/FR1448696A/en
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
    • B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/06—Cranes in which the lifting movement is done with a hydraulically controlled plunger
    • B66C2700/062—Cranes in which the lifting movement is done with a hydraulically controlled plunger mounted on motor vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
FR33486A 1965-10-01 1965-10-01 Crane telescopic boom structure and method for expanding its sections Expired FR1448696A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR33486A FR1448696A (en) 1965-10-01 1965-10-01 Crane telescopic boom structure and method for expanding its sections

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR33486A FR1448696A (en) 1965-10-01 1965-10-01 Crane telescopic boom structure and method for expanding its sections

Publications (1)

Publication Number Publication Date
FR1448696A true FR1448696A (en) 1966-08-05

Family

ID=8589536

Family Applications (1)

Application Number Title Priority Date Filing Date
FR33486A Expired FR1448696A (en) 1965-10-01 1965-10-01 Crane telescopic boom structure and method for expanding its sections

Country Status (1)

Country Link
FR (1) FR1448696A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401094A1 (en) * 1977-08-26 1979-03-23 Harnischfeger Corp TELESCOPIC BOOM OF CRANE
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401094A1 (en) * 1977-08-26 1979-03-23 Harnischfeger Corp TELESCOPIC BOOM OF CRANE
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

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