SE451937B - Anordning vid ett i enden av en kranarm upphengt rotator- och gripaggregat - Google Patents

Anordning vid ett i enden av en kranarm upphengt rotator- och gripaggregat

Info

Publication number
SE451937B
SE451937B SE8205028A SE8205028A SE451937B SE 451937 B SE451937 B SE 451937B SE 8205028 A SE8205028 A SE 8205028A SE 8205028 A SE8205028 A SE 8205028A SE 451937 B SE451937 B SE 451937B
Authority
SE
Sweden
Prior art keywords
valve
gripper
rotator
return
pressure
Prior art date
Application number
SE8205028A
Other languages
English (en)
Swedish (sv)
Other versions
SE8205028D0 (sv
SE8205028L (sv
Inventor
L Jahr
S Wickstrom
Original Assignee
Osa Ab
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 Osa Ab filed Critical Osa Ab
Priority to SE8205028A priority Critical patent/SE451937B/sv
Publication of SE8205028D0 publication Critical patent/SE8205028D0/xx
Priority to NO833134A priority patent/NO157291C/no
Priority to FI833112A priority patent/FI70360C/fi
Priority to DE19833331590 priority patent/DE3331590A1/de
Priority to AU18674/83A priority patent/AU554177B2/en
Priority to FR8314104A priority patent/FR2532639B1/fr
Priority to US06/528,965 priority patent/US4546805A/en
Priority to CA000436004A priority patent/CA1212972A/en
Publication of SE8205028L publication Critical patent/SE8205028L/
Publication of SE451937B publication Critical patent/SE451937B/sv

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/0041—Saw benches or saw bucks
    • B27B17/0058—Saw benches or saw bucks with the saw being pivotally mounted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B29/00—Gripping, clamping, or holding devices for the trunk or log in saw mills or sawing machines; Travelling trunk or log carriages

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Shovels (AREA)
  • Sawing (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Jib Cranes (AREA)
SE8205028A 1982-09-03 1982-09-03 Anordning vid ett i enden av en kranarm upphengt rotator- och gripaggregat SE451937B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE8205028A SE451937B (sv) 1982-09-03 1982-09-03 Anordning vid ett i enden av en kranarm upphengt rotator- och gripaggregat
NO833134A NO157291C (no) 1982-09-03 1983-09-01 Anordning ved et i enden av en kranarm opphengt rotasjons- og gripeaggregat.
FI833112A FI70360C (fi) 1982-09-03 1983-09-01 Anordning vid ett i aenden av en kranarm upphaengt rotator- oc gripaggregat
DE19833331590 DE3331590A1 (de) 1982-09-03 1983-09-01 Vorrichtung an einer am ende eines kranarmes aufgehaengten drehkopf- und greifereinheit
AU18674/83A AU554177B2 (en) 1982-09-03 1983-09-02 Device at rotator and grapple unit suspended at boom
FR8314104A FR2532639B1 (fr) 1982-09-03 1983-09-02 Dispositif monte sur une unite a mecanisme de rotation et grappin, suspendue a l'extremite d'une fleche
US06/528,965 US4546805A (en) 1982-09-03 1983-09-02 Device for rotator and grapple unit suspended at a boom end
CA000436004A CA1212972A (en) 1982-09-03 1983-09-02 Device at rotator and grapple unit suspended at a boom end

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8205028A SE451937B (sv) 1982-09-03 1982-09-03 Anordning vid ett i enden av en kranarm upphengt rotator- och gripaggregat

Publications (3)

Publication Number Publication Date
SE8205028D0 SE8205028D0 (sv) 1982-09-03
SE8205028L SE8205028L (sv) 1984-03-04
SE451937B true SE451937B (sv) 1987-11-09

Family

ID=20347714

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8205028A SE451937B (sv) 1982-09-03 1982-09-03 Anordning vid ett i enden av en kranarm upphengt rotator- och gripaggregat

Country Status (8)

Country Link
US (1) US4546805A (fi)
AU (1) AU554177B2 (fi)
CA (1) CA1212972A (fi)
DE (1) DE3331590A1 (fi)
FI (1) FI70360C (fi)
FR (1) FR2532639B1 (fi)
NO (1) NO157291C (fi)
SE (1) SE451937B (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992003040A1 (en) * 1989-12-18 1992-03-05 Plustech Oy System for controlling the clamp means in a tree harvesting machine, especially grapple harvester

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267594A (en) * 1992-08-13 1993-12-07 Blount, Inc. Grapple saw with positive pressure grapple arms

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3254686A (en) * 1963-01-17 1966-06-07 Timberland Ellicott Ltd Methods and apparatus for harvesting timber
US3340912A (en) * 1963-11-06 1967-09-12 Continental Can Co Timber harvesting and transporting method, system and apparatus
FR2158100B3 (fi) * 1971-11-02 1974-06-21 Billings R O
US3910326A (en) * 1974-10-29 1975-10-07 Case Co J I Tree harvesting apparatus with accumulator mechanism
US4039010A (en) * 1975-11-03 1977-08-02 J. I. Case Company Hydraulic circuit for tree harvesting implement
SE7600951L (sv) * 1976-01-29 1977-06-06 Umea Mekaniska Ab Upphengningsanordning for fellaggregat
US4144918A (en) * 1977-09-06 1979-03-20 Hallstrom Charles A Tree harvester and transporter
US4175598A (en) * 1978-05-12 1979-11-27 J. I. Case Company Apparatus for felling and accumulating trees
SE443905B (sv) * 1980-04-02 1986-03-17 Ostbergs Fabriks Ab Anordning vid fell- och gripaggregat
US4368763A (en) * 1981-01-12 1983-01-18 Eaton George H Apparatus for controlled cutting down of trees

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992003040A1 (en) * 1989-12-18 1992-03-05 Plustech Oy System for controlling the clamp means in a tree harvesting machine, especially grapple harvester

Also Published As

Publication number Publication date
FR2532639B1 (fr) 1986-05-09
AU554177B2 (en) 1986-08-07
NO157291C (no) 1988-02-24
FI70360C (fi) 1986-09-19
AU1867483A (en) 1984-03-08
FR2532639A1 (fr) 1984-03-09
FI833112A0 (fi) 1983-09-01
SE8205028D0 (sv) 1982-09-03
NO157291B (no) 1987-11-16
FI833112A (fi) 1984-03-04
DE3331590A1 (de) 1984-05-24
FI70360B (fi) 1986-03-27
NO833134L (no) 1984-03-05
SE8205028L (sv) 1984-03-04
US4546805A (en) 1985-10-15
CA1212972A (en) 1986-10-21

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Effective date: 19880824