CA1022501A - Grappin pour vehicules d'exploitation forestiere - Google Patents

Grappin pour vehicules d'exploitation forestiere

Info

Publication number
CA1022501A
CA1022501A CA234,439A CA234439A CA1022501A CA 1022501 A CA1022501 A CA 1022501A CA 234439 A CA234439 A CA 234439A CA 1022501 A CA1022501 A CA 1022501A
Authority
CA
Canada
Prior art keywords
grapple unit
logging vehicles
logging
vehicles
grapple
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
CA234,439A
Other languages
English (en)
Other versions
CA234439S (en
Inventor
Robert L. Fischer
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 CA1022501A publication Critical patent/CA1022501A/fr
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
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/58—Gripping members engaging only the external or internal surfaces of the articles and deforming the articles, e.g. by using gripping members such as tongs or grapples
    • B66C1/585—Log grapples

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
CA234,439A 1975-02-24 1975-08-28 Grappin pour vehicules d'exploitation forestiere Expired CA1022501A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/552,381 US3972431A (en) 1975-02-24 1975-02-24 Grapple unit for logging vehicles

Publications (1)

Publication Number Publication Date
CA1022501A true CA1022501A (fr) 1977-12-13

Family

ID=24205085

Family Applications (1)

Application Number Title Priority Date Filing Date
CA234,439A Expired CA1022501A (fr) 1975-02-24 1975-08-28 Grappin pour vehicules d'exploitation forestiere

Country Status (2)

Country Link
US (1) US3972431A (fr)
CA (1) CA1022501A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113124A (en) * 1975-03-03 1978-09-12 Caterpillar Tractor Co. Movable arch structure for skidder vehicle
US4221525A (en) * 1978-08-28 1980-09-09 Caterpillar Tractor Co. Apparatus for transporting elongated members
US4260323A (en) * 1979-08-09 1981-04-07 Caterpillar Tractor Co. Grapple head arrangement
WO1981000396A1 (fr) * 1979-08-09 1981-02-19 Caterpillar Tractor Co Grappin
WO1981000540A1 (fr) * 1979-08-29 1981-03-05 F Dauwalder Main courante
US4266318A (en) * 1979-08-29 1981-05-12 Caterpillar Tractor Co. Hand rail assembly
US4342534A (en) * 1980-05-30 1982-08-03 Eaton Corporation Grapple head harness
US4358147A (en) * 1980-11-25 1982-11-09 Esco Corporation Mounting and actuating apparatus for tongs
US4708570A (en) * 1985-07-01 1987-11-24 The Heil Co. Universal container grabber apparatus for a refuse collection vehicle
US5061150A (en) * 1989-03-31 1991-10-29 John Rentschler Single-handed skidding apparatus for logs and the like
US7934758B2 (en) * 2007-03-30 2011-05-03 Caterpillar Inc. Systems and methods for connecting and adapting a grapple assembly
US10150651B2 (en) * 2017-01-18 2018-12-11 Cranemasters, Inc. Tank car lifting apparatus
USD968745S1 (en) 2020-09-14 2022-11-01 Cranemasters, Inc. Lifting arm
USD967592S1 (en) 2020-09-14 2022-10-18 Cranemasters, Inc. Lifting arm

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3048288A (en) * 1960-06-13 1962-08-07 Paul M Dwyer Material handling means
US3513998A (en) * 1968-09-13 1970-05-26 Franklin Equipment Co Inc Logger
US3620394A (en) * 1969-05-08 1971-11-16 Timberjack Machines Ltd Logging apparatus

Also Published As

Publication number Publication date
US3972431A (en) 1976-08-03

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