ES346821A1 - Un dispositivo de cuchara prensil. - Google Patents

Un dispositivo de cuchara prensil.

Info

Publication number
ES346821A1
ES346821A1 ES346821A ES346821A ES346821A1 ES 346821 A1 ES346821 A1 ES 346821A1 ES 346821 A ES346821 A ES 346821A ES 346821 A ES346821 A ES 346821A ES 346821 A1 ES346821 A1 ES 346821A1
Authority
ES
Spain
Prior art keywords
shells
arms
bucket
ejector assembly
grab
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
ES346821A
Other languages
English (en)
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.)
Poclain SA
Original Assignee
Poclain 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 Poclain SA filed Critical Poclain SA
Publication of ES346821A1 publication Critical patent/ES346821A1/es
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
    • E02F3/4135—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device with grabs mounted directly on a boom

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Jib Cranes (AREA)
ES346821A 1966-11-07 1967-11-06 Un dispositivo de cuchara prensil. Expired ES346821A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR82773A FR1506485A (fr) 1966-11-07 1966-11-07 Perfectionnements aux bennes preneuses

Publications (1)

Publication Number Publication Date
ES346821A1 true ES346821A1 (es) 1969-01-01

Family

ID=8620574

Family Applications (1)

Application Number Title Priority Date Filing Date
ES346821A Expired ES346821A1 (es) 1966-11-07 1967-11-06 Un dispositivo de cuchara prensil.

Country Status (4)

Country Link
US (1) US3451151A (es)
ES (1) ES346821A1 (es)
FR (1) FR1506485A (es)
GB (1) GB1148695A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641689A (en) * 1969-07-07 1972-02-15 Billings R O Hydraulically actuated clamshell buckets
NL8901542A (nl) * 1989-06-20 1991-01-16 Verachtert Beheer Bv Inrichting voor het stukmaken van uit beton of dergelijk materiaal bestaande voorwerpen.
JPH07158103A (ja) * 1993-12-10 1995-06-20 Japanic:Kk クラムシェルバケットの構造及びその制御回路
US5702227A (en) * 1996-05-13 1997-12-30 Berg; Ronald Ejector bucket

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828038A (en) * 1955-08-03 1958-03-25 L A Young Spring & Wire Corp Excavating apparatus
DE1166432B (de) * 1958-09-10 1964-03-26 Martensen Maskinfabrik J Greifer mit Abstreifkoerpern
FR1398053A (fr) * 1964-03-25 1965-05-07 Poclain Sa Perfectionnements aux bennes preneuses

Also Published As

Publication number Publication date
US3451151A (en) 1969-06-24
GB1148695A (en) 1969-04-16
DE1634949B2 (de) 1976-04-01
FR1506485A (fr) 1967-12-22
DE1634949A1 (de) 1971-02-25

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