SE8603660L - Anordning for att underletta parallellforande av en lyft- eller redskapsarm av vikarmstyp, foretredesvis for skogsmaskiner - Google Patents
Anordning for att underletta parallellforande av en lyft- eller redskapsarm av vikarmstyp, foretredesvis for skogsmaskinerInfo
- Publication number
- SE8603660L SE8603660L SE8603660A SE8603660A SE8603660L SE 8603660 L SE8603660 L SE 8603660L SE 8603660 A SE8603660 A SE 8603660A SE 8603660 A SE8603660 A SE 8603660A SE 8603660 L SE8603660 L SE 8603660L
- Authority
- SE
- Sweden
- Prior art keywords
- cylinder
- boom
- pct
- lift
- chamber
- Prior art date
Links
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/54—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
-
- 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
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
- E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
- E02F3/433—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude horizontal, e.g. self-levelling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8603660A SE454351B (sv) | 1986-09-01 | 1986-09-01 | Anordning for nivahallning av ett redskapsfeste till en vikarmskran |
PCT/SE1987/000377 WO1988001600A1 (en) | 1986-09-01 | 1987-08-27 | Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground |
AU78797/87A AU7879787A (en) | 1986-09-01 | 1987-08-27 | Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground |
US07/190,688 US4828125A (en) | 1986-09-01 | 1987-08-27 | Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground |
NO881809A NO881809L (no) | 1986-09-01 | 1988-04-26 | Anordning for aa holde en leddboms redskapsfeste i konstant nivaa over bakken. |
FI881946A FI881946A (fi) | 1986-09-01 | 1988-04-26 | Anordning foer att haolla ett arbetsredskap pao konstant nivao ovanom markytan i en ledad lastbom. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8603660A SE454351B (sv) | 1986-09-01 | 1986-09-01 | Anordning for nivahallning av ett redskapsfeste till en vikarmskran |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8603660D0 SE8603660D0 (sv) | 1986-09-01 |
SE8603660L true SE8603660L (sv) | 1988-03-02 |
SE454351B SE454351B (sv) | 1988-04-25 |
Family
ID=20365446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8603660A SE454351B (sv) | 1986-09-01 | 1986-09-01 | Anordning for nivahallning av ett redskapsfeste till en vikarmskran |
Country Status (5)
Country | Link |
---|---|
US (1) | US4828125A (sv) |
AU (1) | AU7879787A (sv) |
FI (1) | FI881946A (sv) |
SE (1) | SE454351B (sv) |
WO (1) | WO1988001600A1 (sv) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4923362A (en) * | 1988-06-06 | 1990-05-08 | Deere & Company | Bucket leveling system with dual fluid supply |
EP0397076A1 (en) * | 1989-05-11 | 1990-11-14 | Vickers Incorporated | Electrohydraulic system |
US5486084A (en) * | 1993-06-07 | 1996-01-23 | Raymond F. Pitman | Multiple purpose material handling and working apparatus |
FI955172A0 (fi) * | 1995-10-30 | 1995-10-30 | Sakari Pinomaeki | Foerfarande i ett tryckmediumsystem och ett tryckmediumsystem |
WO1998012138A1 (en) * | 1996-09-23 | 1998-03-26 | Motrac Ab | Two arms system |
SE521258C2 (sv) * | 1997-03-03 | 2003-10-14 | Motrac Ab | Tvåarmat system |
FI111938B (sv) * | 1999-07-06 | 2003-10-15 | Plustech Oy | Styrsystem för en bomsats vid en i terrängen rörlig arbetsmaskin |
FI19992467A (sv) * | 1999-11-17 | 2001-05-18 | Tiberjack Oy | Förfarande i en lastare med en bomuppsättning och lastare med en bomuppsättning |
PT1518053E (pt) * | 2002-05-28 | 2009-01-09 | Iti Scotland Ltd | Método e guindaste para a instalação, manutenção e desactivação de turbinas eólicas |
CN100535367C (zh) | 2005-01-19 | 2009-09-02 | Iti苏格兰有限公司 | 夹具、自移式爬升装置和联接夹具与管形件的方法 |
US8863966B2 (en) | 2011-03-21 | 2014-10-21 | Dynaking Crane, Llc | Kingpost crane apparatus and method |
US9630812B1 (en) | 2014-09-30 | 2017-04-25 | The United States Of America As Represented By The Secretary Of The Navy | Load transfer accessory for diminishing unwanted motion of cylindrical cargo during loading operations |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3884359A (en) * | 1968-11-27 | 1975-05-20 | Hopper Inc | Level luffing crane |
US3685668A (en) * | 1969-10-03 | 1972-08-22 | Hopper Inc | Convertible level luffing crane |
FR2152491B1 (sv) * | 1971-09-15 | 1977-07-08 | ||
SE400794B (sv) * | 1975-04-17 | 1978-04-10 | Hammarstrand Sten Ove | Parallellforingssystem for lastmaskiner eller liknande |
US4081055A (en) * | 1977-01-24 | 1978-03-28 | Teco, Inc. | Hydraulic device for controlling the perpendicularity of boom members in mobile platforms |
DE2802011A1 (de) * | 1978-01-18 | 1979-08-02 | Michaelis Karl Heinz | Kran, insbesondere zum be- und entladen von kraftfahrzeugen |
DE2949718A1 (de) * | 1979-12-11 | 1981-06-19 | Atlas-Verkaufsbüro Fritz Harald Arend, 7216 Dietingen | Vorrichtung zur automatischen parallelfuehrung des loeffels eines hydraulikbaggers |
US4557391A (en) * | 1982-06-30 | 1985-12-10 | Fmc Corporation | Method of controlling the angle of a pivotal boom with extensible sections |
-
1986
- 1986-09-01 SE SE8603660A patent/SE454351B/sv not_active IP Right Cessation
-
1987
- 1987-08-27 WO PCT/SE1987/000377 patent/WO1988001600A1/en active Application Filing
- 1987-08-27 AU AU78797/87A patent/AU7879787A/en not_active Abandoned
- 1987-08-27 US US07/190,688 patent/US4828125A/en not_active Expired - Fee Related
-
1988
- 1988-04-26 FI FI881946A patent/FI881946A/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE8603660D0 (sv) | 1986-09-01 |
FI881946A0 (fi) | 1988-04-26 |
WO1988001600A1 (en) | 1988-03-10 |
FI881946A (fi) | 1988-04-26 |
US4828125A (en) | 1989-05-09 |
AU7879787A (en) | 1988-03-24 |
SE454351B (sv) | 1988-04-25 |
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Legal Events
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NAL | Patent in force |
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