FR1435124A - Clamshell - Google Patents

Clamshell

Info

Publication number
FR1435124A
FR1435124A FR3192A FR78003192A FR1435124A FR 1435124 A FR1435124 A FR 1435124A FR 3192 A FR3192 A FR 3192A FR 78003192 A FR78003192 A FR 78003192A FR 1435124 A FR1435124 A FR 1435124A
Authority
FR
France
Prior art keywords
clamshell
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
FR3192A
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.)
Auxitra SA
Original Assignee
Auxitra 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 Auxitra SA filed Critical Auxitra SA
Priority to FR3192A priority Critical patent/FR1435124A/en
Priority to US497978A priority patent/US3451150A/en
Priority to DE19661634696 priority patent/DE1634696C/en
Priority to GB8790/66A priority patent/GB1089655A/en
Application granted granted Critical
Publication of FR1435124A publication Critical patent/FR1435124A/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
    • 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
    • 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)
  • Load-Engaging Elements For Cranes (AREA)
  • Earth Drilling (AREA)
FR3192A 1965-03-01 1965-03-01 Clamshell Expired FR1435124A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR3192A FR1435124A (en) 1965-03-01 1965-03-01 Clamshell
US497978A US3451150A (en) 1965-03-01 1965-10-19 Grab-bucket
DE19661634696 DE1634696C (en) 1965-03-01 1966-02-28 Excavator grab
GB8790/66A GB1089655A (en) 1965-03-01 1966-02-28 Improvements in or relating to grab-buckets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR3192A FR1435124A (en) 1965-03-01 1965-03-01 Clamshell

Publications (1)

Publication Number Publication Date
FR1435124A true FR1435124A (en) 1966-04-15

Family

ID=8569168

Family Applications (1)

Application Number Title Priority Date Filing Date
FR3192A Expired FR1435124A (en) 1965-03-01 1965-03-01 Clamshell

Country Status (3)

Country Link
US (1) US3451150A (en)
FR (1) FR1435124A (en)
GB (1) GB1089655A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2390363A1 (en) * 1977-05-09 1978-12-08 Lombardo Pierre Radio control of excavator clam shell bucket - uses electromagnetic valve to control hydraulic jack to open and close clam jaws
EP0168711A1 (en) * 1984-07-11 1986-01-22 Erich Sennebogen Grabbing device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2300034A1 (en) * 1975-02-10 1976-09-03 Yumbo HYDRAULICALLY CONTROLLED CLAMP
US4257731A (en) * 1978-09-14 1981-03-24 North Bend Fabrication & Machine, Inc. Powered implement with work elements pivotally mounted on an implement mounting and a torque tube for rotating such mounting

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US523807A (en) * 1894-07-31 chaquette
US2337133A (en) * 1940-08-04 1943-12-21 Par X Placer Equipment Co Digger
US2837846A (en) * 1953-09-21 1958-06-10 Daniel L Long Hydraulic clamshell bucket
FR1136481A (en) * 1955-10-13 1957-05-23 Poclain Atel Hydraulically operated clamshell
FR79892E (en) * 1961-06-01 1963-02-08 Poclain Atel Hydraulically operated clamshell
BE635716A (en) * 1962-08-28

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2390363A1 (en) * 1977-05-09 1978-12-08 Lombardo Pierre Radio control of excavator clam shell bucket - uses electromagnetic valve to control hydraulic jack to open and close clam jaws
EP0168711A1 (en) * 1984-07-11 1986-01-22 Erich Sennebogen Grabbing device

Also Published As

Publication number Publication date
US3451150A (en) 1969-06-24
DE1634696B2 (en) 1973-01-04
GB1089655A (en) 1967-11-01
DE1634696A1 (en) 1971-10-07

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