CA1120075A - Grapple head arrangement - Google Patents

Grapple head arrangement

Info

Publication number
CA1120075A
CA1120075A CA000355127A CA355127A CA1120075A CA 1120075 A CA1120075 A CA 1120075A CA 000355127 A CA000355127 A CA 000355127A CA 355127 A CA355127 A CA 355127A CA 1120075 A CA1120075 A CA 1120075A
Authority
CA
Canada
Prior art keywords
tong
portions
tongs
grapple head
link
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
CA000355127A
Other languages
English (en)
French (fr)
Inventor
John R. Muntjanoff
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Application granted granted Critical
Publication of CA1120075A publication Critical patent/CA1120075A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
CA000355127A 1979-08-09 1980-06-30 Grapple head arrangement Expired CA1120075A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/US1979/000584 WO1981000396A1 (en) 1979-08-09 1979-08-09 Grapple head arrangement
USPCT79/00584 1979-08-09

Publications (1)

Publication Number Publication Date
CA1120075A true CA1120075A (en) 1982-03-16

Family

ID=22147657

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000355127A Expired CA1120075A (en) 1979-08-09 1980-06-30 Grapple head arrangement

Country Status (3)

Country Link
CA (1) CA1120075A (enExample)
FR (1) FR2463091A1 (enExample)
WO (1) WO1981000396A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989003800A1 (en) * 1987-10-19 1989-05-05 Hiab-Foco Ab Crane-mounted implement
ATE455724T1 (de) * 2005-04-14 2010-02-15 Caterpillar Work Tools Bv Vorrichtung zum öffnen und schliessen eines greiferpaares

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2604220A (en) * 1949-03-25 1952-07-22 Towmotor Corp Grab mechanism for industrial trucks
US3048288A (en) * 1960-06-13 1962-08-07 Paul M Dwyer Material handling means
US3310335A (en) * 1965-10-13 1967-03-21 Neil E Shuey Load lifting mechanism
US3620394A (en) * 1969-05-08 1971-11-16 Timberjack Machines Ltd Logging apparatus
US3667796A (en) * 1970-10-30 1972-06-06 Deere & Co Logging grapple
US3781056A (en) * 1971-10-12 1973-12-25 Deere & Co Logging grapple
DE2239269A1 (de) * 1972-08-09 1974-02-28 Krueger Maschf Gerhard Fahrwerk-greifer, insbesondere fuer landwirtschaftliche zwecke
FR2236769A1 (en) * 1973-07-09 1975-02-07 Satime Armee Easily dismantled crane grapple for logs - has horiz. pivoting ram and reaction rod between curved jaws
CA1034021A (en) * 1974-01-07 1978-07-04 Douglas D. Hamilton Harvester processor assembly
US3933389A (en) * 1974-10-16 1976-01-20 Deere & Company Grapple structure
US3972431A (en) * 1975-02-24 1976-08-03 Caterpillar Tractor Co. Grapple unit for logging vehicles
US4005894A (en) * 1975-10-16 1977-02-01 J. I. Case Company Log grappling apparatus

Also Published As

Publication number Publication date
WO1981000396A1 (en) 1981-02-19
FR2463091A1 (fr) 1981-02-20
FR2463091B1 (enExample) 1984-03-09

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Legal Events

Date Code Title Description
MKEX Expiry