FR1217231A - Hydraulically operated clamshell - Google Patents

Hydraulically operated clamshell

Info

Publication number
FR1217231A
FR1217231A FR780857A FR780857A FR1217231A FR 1217231 A FR1217231 A FR 1217231A FR 780857 A FR780857 A FR 780857A FR 780857 A FR780857 A FR 780857A FR 1217231 A FR1217231 A FR 1217231A
Authority
FR
France
Prior art keywords
hydraulically operated
clamshell
operated clamshell
hydraulically
operated
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
FR780857A
Other languages
French (fr)
Inventor
Jean-Georges Henrion
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
Priority to FR780857A priority Critical patent/FR1217231A/en
Application granted granted Critical
Publication of FR1217231A publication Critical patent/FR1217231A/en
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
    • E02F3/36—Component parts
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/14—Grabs opened or closed by driving motors thereon
    • B66C3/16—Grabs opened or closed by driving motors thereon by fluid motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
FR780857A 1958-12-05 1958-12-05 Hydraulically operated clamshell Expired FR1217231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR780857A FR1217231A (en) 1958-12-05 1958-12-05 Hydraulically operated clamshell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR780857A FR1217231A (en) 1958-12-05 1958-12-05 Hydraulically operated clamshell

Publications (1)

Publication Number Publication Date
FR1217231A true FR1217231A (en) 1960-05-02

Family

ID=8708941

Family Applications (1)

Application Number Title Priority Date Filing Date
FR780857A Expired FR1217231A (en) 1958-12-05 1958-12-05 Hydraulically operated clamshell

Country Status (1)

Country Link
FR (1) FR1217231A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2543188A1 (en) * 1983-03-26 1984-09-28 Orenstein & Koppel Ag METHOD AND DEVICE FOR CONTROLLED COUPLING AND DESOLIDARIZATION OF TWO HALF COUPLINGS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2543188A1 (en) * 1983-03-26 1984-09-28 Orenstein & Koppel Ag METHOD AND DEVICE FOR CONTROLLED COUPLING AND DESOLIDARIZATION OF TWO HALF COUPLINGS

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