FR2046851B3 - - Google Patents

Info

Publication number
FR2046851B3
FR2046851B3 FR7022079A FR7022079A FR2046851B3 FR 2046851 B3 FR2046851 B3 FR 2046851B3 FR 7022079 A FR7022079 A FR 7022079A FR 7022079 A FR7022079 A FR 7022079A FR 2046851 B3 FR2046851 B3 FR 2046851B3
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
FR7022079A
Other languages
French (fr)
Other versions
FR2046851A7 (https=
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.)
PODPOLIANSKE STROJARNE
Original Assignee
PODPOLIANSKE STROJARNE
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 PODPOLIANSKE STROJARNE filed Critical PODPOLIANSKE STROJARNE
Application granted granted Critical
Publication of FR2046851A7 publication Critical patent/FR2046851A7/fr
Publication of FR2046851B3 publication Critical patent/FR2046851B3/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
    • B66C23/54—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 with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
    • 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)
FR7022079A 1969-06-18 1970-06-16 Expired FR2046851B3 (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS429969 1969-06-18

Publications (2)

Publication Number Publication Date
FR2046851A7 FR2046851A7 (https=) 1971-03-12
FR2046851B3 true FR2046851B3 (https=) 1973-01-12

Family

ID=5385390

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7022079A Expired FR2046851B3 (https=) 1969-06-18 1970-06-16

Country Status (2)

Country Link
DE (1) DE2029612A1 (https=)
FR (1) FR2046851B3 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1599403A (en) * 1977-07-12 1981-09-30 Massey Ferguson Perkins Ltd Booms for lifting machines particularly backhoes
US4946051A (en) * 1989-04-05 1990-08-07 Cliff John O Two-boom crawler crane
DE4018222A1 (de) * 1990-06-07 1991-12-12 Krupp Industrietech Teleskopausleger mit kupplungsvorrichtung fuer ausschiebeanordnung
DE4018201A1 (de) * 1990-06-07 1992-01-02 Krupp Industrietech Teleskopausleger mit ausschiebeanordnung

Also Published As

Publication number Publication date
FR2046851A7 (https=) 1971-03-12
DE2029612A1 (de) 1971-03-04

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Legal Events

Date Code Title Description
ST Notification of lapse