GB2290935B - Flotation control system - Google Patents

Flotation control system

Info

Publication number
GB2290935B
GB2290935B GB9514547A GB9514547A GB2290935B GB 2290935 B GB2290935 B GB 2290935B GB 9514547 A GB9514547 A GB 9514547A GB 9514547 A GB9514547 A GB 9514547A GB 2290935 B GB2290935 B GB 2290935B
Authority
GB
United Kingdom
Prior art keywords
control system
flotation control
flotation
control
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 - Fee Related
Application number
GB9514547A
Other versions
GB9514547D0 (en
GB2290935A (en
Inventor
James Fraser Mitchell
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.)
Reekie Manufacturing Ltd
Original Assignee
Reekie Manufacturing Ltd
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 Reekie Manufacturing Ltd filed Critical Reekie Manufacturing Ltd
Publication of GB9514547D0 publication Critical patent/GB9514547D0/en
Publication of GB2290935A publication Critical patent/GB2290935A/en
Application granted granted Critical
Publication of GB2290935B publication Critical patent/GB2290935B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/111—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements
    • A01B63/1115—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements using a mechanical ground contact sensor
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D33/00—Accessories for digging harvesters
    • A01D33/14—Lifting or lowering mechanisms for the tools

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Harvesting Machines For Root Crops (AREA)
  • Agricultural Machines (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
GB9514547A 1994-07-07 1995-07-07 Flotation control system Expired - Fee Related GB2290935B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9413654A GB9413654D0 (en) 1994-07-07 1994-07-07 Control system

Publications (3)

Publication Number Publication Date
GB9514547D0 GB9514547D0 (en) 1995-09-13
GB2290935A GB2290935A (en) 1996-01-17
GB2290935B true GB2290935B (en) 1998-08-26

Family

ID=10757932

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9413654A Pending GB9413654D0 (en) 1994-07-07 1994-07-07 Control system
GB9514547A Expired - Fee Related GB2290935B (en) 1994-07-07 1995-07-07 Flotation control system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9413654A Pending GB9413654D0 (en) 1994-07-07 1994-07-07 Control system

Country Status (3)

Country Link
AU (1) AU2893195A (en)
GB (2) GB9413654D0 (en)
WO (1) WO1996001554A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9607560D0 (en) * 1996-04-11 1996-06-12 Wylie Samuel J A trailed attachment for a vehicle
SE535699C2 (en) * 2011-01-26 2012-11-13 Vaederstad Verken Ab Agricultural implements and method of tillage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2070905A (en) * 1980-01-10 1981-09-16 Massey Ferguson Services Nv Crop collecting apparatus
GB2120419A (en) * 1982-05-19 1983-11-30 Industry The Secretary Of Stat Control of agricultural instruments
EP0241748A2 (en) * 1986-04-16 1987-10-21 Robert Bosch Gmbh Electro-hydraulic lifting gear controller
GB2248539A (en) * 1990-09-12 1992-04-15 Key Agricultural Limited "Soil lifting harvesters"
EP0533571A1 (en) * 1991-09-18 1993-03-24 S.A. Moreau Agricultural or soil working implement position control device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153565B (en) * 1961-02-25 1963-08-29 Bosch Gmbh Robert Method and device for regulating the working depth of a tillage device
ES464093A1 (en) * 1977-11-12 1978-12-16 Luis Miguel Castejon Castan Fluid arrangement
US4944141A (en) * 1988-12-09 1990-07-31 Fmc Corporation Height control system
FR2702125B1 (en) * 1993-03-04 1995-07-07 Fontaine Ateliers Claire MACHE OR LETTUCE SALAD HARVESTER FOR EXAMPLE.
DE9320567U1 (en) * 1993-11-29 1994-09-22 Hagenloch, Margit, 72131 Ofterdingen Insert system for drawers or cupboards

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2070905A (en) * 1980-01-10 1981-09-16 Massey Ferguson Services Nv Crop collecting apparatus
GB2120419A (en) * 1982-05-19 1983-11-30 Industry The Secretary Of Stat Control of agricultural instruments
EP0241748A2 (en) * 1986-04-16 1987-10-21 Robert Bosch Gmbh Electro-hydraulic lifting gear controller
GB2248539A (en) * 1990-09-12 1992-04-15 Key Agricultural Limited "Soil lifting harvesters"
EP0533571A1 (en) * 1991-09-18 1993-03-24 S.A. Moreau Agricultural or soil working implement position control device

Also Published As

Publication number Publication date
GB9514547D0 (en) 1995-09-13
GB2290935A (en) 1996-01-17
GB9413654D0 (en) 1994-08-24
WO1996001554A1 (en) 1996-01-25
AU2893195A (en) 1996-02-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050707