BE769275Q - UPGRADES TO CLAIMS - Google Patents

UPGRADES TO CLAIMS

Info

Publication number
BE769275Q
BE769275Q BE769275A BE769275A BE769275Q BE 769275 Q BE769275 Q BE 769275Q BE 769275 A BE769275 A BE 769275A BE 769275 A BE769275 A BE 769275A BE 769275 Q BE769275 Q BE 769275Q
Authority
BE
Belgium
Prior art keywords
upgrades
Prior art date
Application number
BE769275A
Other languages
French (fr)
Original Assignee
Poglain Sa
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 Poglain Sa filed Critical Poglain Sa
Application granted granted Critical
Publication of BE769275Q publication Critical patent/BE769275Q/en

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)
  • Load-Engaging Elements For Cranes (AREA)
  • Jib Cranes (AREA)
BE769275A 1964-03-25 1971-06-30 UPGRADES TO CLAIMS BE769275Q (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR968586A FR1398053A (en) 1964-03-25 1964-03-25 Improvements to clamshells

Publications (1)

Publication Number Publication Date
BE769275Q true BE769275Q (en) 1971-11-03

Family

ID=8826305

Family Applications (1)

Application Number Title Priority Date Filing Date
BE769275A BE769275Q (en) 1964-03-25 1971-06-30 UPGRADES TO CLAIMS

Country Status (5)

Country Link
US (1) US3314709A (en)
BE (1) BE769275Q (en)
DE (1) DE1267813B (en)
FR (1) FR1398053A (en)
GB (1) GB1060187A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1506485A (en) * 1966-11-07 1967-12-22 Poclain Sa Improvements to clamshells
FR1508347A (en) * 1966-11-24 1968-01-05 Poclain Sa Easily removable orientation assembly for earthmoving machine clamshell
SE300288B (en) * 1966-12-20 1968-04-22 Hydrauliska Ind Ab
FR2122294B1 (en) * 1971-01-18 1975-06-06 Poclain Sa
US3759564A (en) * 1971-03-08 1973-09-18 Pierce Pacific Manuf Inc Grapple
US3914886A (en) * 1972-08-25 1975-10-28 Caterpillar Tractor Co Clamshell bucket assembly and valve means associated therewith
US3795421A (en) * 1972-11-29 1974-03-05 P Vohl Grapple assembly
FR2226353B1 (en) * 1973-04-18 1977-02-04 Poclain Sa
FR2487880A1 (en) * 1981-01-21 1982-02-05 Poclain Sa Grab bucket with inter-articulating jaws - is driven by jack actuating pair of levers with sliding pivots in jaws
FR2563253B1 (en) * 1984-04-20 1987-08-14 Lapalus Gaston Grab bucket
US5443294A (en) * 1993-09-22 1995-08-22 Hawco Manufacturing Co. Single-line clamshell bucket
AU2013245510B2 (en) * 2012-10-19 2017-09-28 Joy Global Surface Mining Inc Fluid conveyance system
DE202015005202U1 (en) * 2015-07-21 2016-10-24 Rolf Mieger Gripper mechanism for the gripper of a construction machine
DE202020104693U1 (en) 2020-08-13 2021-11-16 Rolf Mieger Drive for a grab, grab and construction machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US539962A (en) * 1895-05-28 Bucket for dredging-machines
FR1136481A (en) * 1955-10-13 1957-05-23 Poclain Atel Hydraulically operated clamshell
US3023044A (en) * 1956-04-03 1962-02-27 Joy Mfg Co Grapple
DE1808867U (en) * 1960-02-06 1960-03-31 Ahlmann Carlshuette K G HYDRAULIC TWO OR MULTI-SHELL GRIPPER.

Also Published As

Publication number Publication date
GB1060187A (en) 1967-03-01
DE1267813B (en) 1968-05-09
FR1398053A (en) 1965-05-07
US3314709A (en) 1967-04-18

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