CA1038727A - Arrangement with a tree felling unit - Google Patents
Arrangement with a tree felling unitInfo
- Publication number
- CA1038727A CA1038727A CA228,699A CA228699A CA1038727A CA 1038727 A CA1038727 A CA 1038727A CA 228699 A CA228699 A CA 228699A CA 1038727 A CA1038727 A CA 1038727A
- Authority
- CA
- Canada
- Prior art keywords
- tree
- frame
- control valve
- grip arms
- relay
- 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
Links
- 238000005520 cutting process Methods 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 abstract description 4
- 230000001939 inductive effect Effects 0.000 abstract description 2
- 210000005069 ears Anatomy 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/08—Felling trees
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Jib Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7407372A SE392792B (sv) | 1974-06-05 | 1974-06-05 | Anordning vid tredfellningsaggregat |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1038727A true CA1038727A (en) | 1978-09-19 |
Family
ID=20321321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA228,699A Expired CA1038727A (en) | 1974-06-05 | 1975-06-06 | Arrangement with a tree felling unit |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT333538B (en:Method) |
CA (1) | CA1038727A (en:Method) |
DE (1) | DE2525107C2 (en:Method) |
FI (1) | FI51752C (en:Method) |
FR (1) | FR2273466A1 (en:Method) |
SE (1) | SE392792B (en:Method) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE443905B (sv) * | 1980-04-02 | 1986-03-17 | Ostbergs Fabriks Ab | Anordning vid fell- och gripaggregat |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2060400A1 (de) * | 1970-12-08 | 1972-06-22 | Stiftelsen Skogsmekanisering | Vorrichtung zum Abtrennen von Baumwurzeln |
-
1974
- 1974-06-05 SE SE7407372A patent/SE392792B/xx unknown
-
1975
- 1975-06-04 FI FI751651A patent/FI51752C/fi not_active IP Right Cessation
- 1975-06-05 DE DE2525107A patent/DE2525107C2/de not_active Expired
- 1975-06-05 FR FR7517538A patent/FR2273466A1/fr active Granted
- 1975-06-05 AT AT428275A patent/AT333538B/de not_active IP Right Cessation
- 1975-06-06 CA CA228,699A patent/CA1038727A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FI51752C (fi) | 1980-10-08 |
DE2525107C2 (de) | 1984-04-19 |
AT333538B (de) | 1976-11-25 |
DE2525107A1 (de) | 1975-12-18 |
SE7407372L (sv) | 1975-12-08 |
FR2273466A1 (fr) | 1976-01-02 |
FR2273466B1 (en:Method) | 1978-12-08 |
SE392792B (sv) | 1977-04-25 |
ATA428275A (de) | 1976-03-15 |
FI51752B (en:Method) | 1976-12-31 |
FI751651A7 (en:Method) | 1975-12-06 |
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