FR1255089A - Improvements to gripping tools for hydraulically operated lifting devices - Google Patents

Improvements to gripping tools for hydraulically operated lifting devices

Info

Publication number
FR1255089A
FR1255089A FR816377A FR816377A FR1255089A FR 1255089 A FR1255089 A FR 1255089A FR 816377 A FR816377 A FR 816377A FR 816377 A FR816377 A FR 816377A FR 1255089 A FR1255089 A FR 1255089A
Authority
FR
France
Prior art keywords
lifting devices
hydraulically operated
gripping tools
operated lifting
gripping
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
FR816377A
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.)
RABOT ETS
Original Assignee
RABOT ETS
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 RABOT ETS filed Critical RABOT ETS
Priority to FR816377A priority Critical patent/FR1255089A/en
Application granted granted Critical
Publication of FR1255089A publication Critical patent/FR1255089A/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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
FR816377A 1960-01-22 1960-01-22 Improvements to gripping tools for hydraulically operated lifting devices Expired FR1255089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR816377A FR1255089A (en) 1960-01-22 1960-01-22 Improvements to gripping tools for hydraulically operated lifting devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR816377A FR1255089A (en) 1960-01-22 1960-01-22 Improvements to gripping tools for hydraulically operated lifting devices

Publications (1)

Publication Number Publication Date
FR1255089A true FR1255089A (en) 1961-03-03

Family

ID=8724160

Family Applications (1)

Application Number Title Priority Date Filing Date
FR816377A Expired FR1255089A (en) 1960-01-22 1960-01-22 Improvements to gripping tools for hydraulically operated lifting devices

Country Status (1)

Country Link
FR (1) FR1255089A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2988409A1 (en) * 2012-03-22 2013-09-27 Soletanche Freyssinet Excavation bucket for use during supporting e.g. cast wall, in ground, has actuation unit swiveling cups and including arms connected to cups, where arms are movable with respect to frame, and cross each other so as to form X-shape

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2988409A1 (en) * 2012-03-22 2013-09-27 Soletanche Freyssinet Excavation bucket for use during supporting e.g. cast wall, in ground, has actuation unit swiveling cups and including arms connected to cups, where arms are movable with respect to frame, and cross each other so as to form X-shape

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