GB2077086B - Draft control in tractor lift linkages - Google Patents

Draft control in tractor lift linkages

Info

Publication number
GB2077086B
GB2077086B GB8117744A GB8117744A GB2077086B GB 2077086 B GB2077086 B GB 2077086B GB 8117744 A GB8117744 A GB 8117744A GB 8117744 A GB8117744 A GB 8117744A GB 2077086 B GB2077086 B GB 2077086B
Authority
GB
United Kingdom
Prior art keywords
draft control
tractor lift
lift linkages
linkages
tractor
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
GB8117744A
Other languages
English (en)
Other versions
GB2077086A (en
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.)
Bosch Rexroth AG
Original Assignee
GL Rexroth GmbH
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 GL Rexroth GmbH filed Critical GL Rexroth GmbH
Publication of GB2077086A publication Critical patent/GB2077086A/en
Application granted granted Critical
Publication of GB2077086B publication Critical patent/GB2077086B/en
Expired 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
    • A01B63/112—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 to control draught load, i.e. tractive force

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Agricultural Machines (AREA)
GB8117744A 1980-06-10 1981-06-10 Draft control in tractor lift linkages Expired GB2077086B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803021777 DE3021777A1 (de) 1980-06-10 1980-06-10 Vorrichtung zur regelung der zugkraft in unterlenkern eines schlepperhubwerks

Publications (2)

Publication Number Publication Date
GB2077086A GB2077086A (en) 1981-12-16
GB2077086B true GB2077086B (en) 1983-12-07

Family

ID=6104281

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8117744A Expired GB2077086B (en) 1980-06-10 1981-06-10 Draft control in tractor lift linkages

Country Status (7)

Country Link
US (1) US4410046A (cg-RX-API-DMAC10.html)
AT (1) AT387302B (cg-RX-API-DMAC10.html)
DE (1) DE3021777A1 (cg-RX-API-DMAC10.html)
ES (1) ES8203550A1 (cg-RX-API-DMAC10.html)
FR (1) FR2489082A1 (cg-RX-API-DMAC10.html)
GB (1) GB2077086B (cg-RX-API-DMAC10.html)
IT (1) IT1139341B (cg-RX-API-DMAC10.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3147740A1 (de) * 1980-06-10 1983-06-09 Mannesmann Rexroth GmbH, 8770 Lohr "verfahren und vorrichtung zur messung der unterlenkerkraft eines schlepper-hubwerks"
DE3110107A1 (de) * 1981-03-16 1982-09-23 Mannesmann Rexroth GmbH, 8770 Lohr Kraftmessverfahren und kraftmessvorrichtung zur steuerung des krafthebers eines ackerschleppers
DE3209396A1 (de) * 1982-03-15 1983-09-22 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische steuereinrichtung zum betaetigen eines hubwerks an einem landwirtschaftlichen arbeitsfahrzeug
DE3218846A1 (de) * 1982-05-19 1983-11-24 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Unterlenkermesswertgeber

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR988667A (fr) * 1949-04-12 1951-08-30 Sncaso Dynamomètre et ses applications
US3022831A (en) * 1957-04-22 1962-02-27 Deere & Co Tractor draft load control system
US3022830A (en) * 1957-04-22 1962-02-27 Deere & Co Tractor draft load control system
US2940530A (en) * 1958-04-16 1960-06-14 Deere & Co Draft load control for tractors
US3239013A (en) * 1960-12-19 1966-03-08 Int Harvester Co Torsion bar spring draft sensing means for implement hitch mechanism
US3246702A (en) * 1961-12-06 1966-04-19 Allis Chalmers Mfg Co Draft sensing device for tractor hydraulic system
DE1215420B (de) * 1962-02-17 1966-04-28 Kloeckner Humboldt Deutz Ag Zugkraftmesser fuer die Arbeitstiefe von landwirtschaftlichen Geraeten beeinflussende Regeleinrichtungen des Krafthebers von Ackerschleppern
US3375876A (en) * 1965-01-07 1968-04-02 Case Co J I Draft sensing method and apparatus
US3342274A (en) * 1965-02-11 1967-09-19 Case Co J I Sensing range adjustment for draft sensing mechanism
US3390575A (en) * 1967-06-02 1968-07-02 Electro Dev Corp Adjustable transducer mount
DE6938631U (de) * 1969-10-03 1971-03-18 Internat Harvester Company Mbh Automatische steuereinrichtung fuer den hydraulischen kraftheber eines ackerschleppers.
FR2171967B1 (cg-RX-API-DMAC10.html) * 1972-02-17 1975-10-24 Renault
AT319648B (de) * 1973-06-29 1974-12-27 Steyr Daimler Puch Ag Vorrichtung zum Regeln der Arbeitstiefe von an Schleppern mit hydraulischem Hubwerk und Dreilenkersystem angebauten landwirtschaftlichen Geräten
US3869001A (en) * 1974-04-18 1975-03-04 Massey Ferguson Inc Fulcrum bushing on the resilient bar draft sensing
GB1488385A (en) * 1974-10-02 1977-10-12 Brown Tractors Ltd Agricultural tractors
US3994348A (en) * 1975-03-10 1976-11-30 J. I. Case Company Draft control system on a vehicle including sensing mechanism therefor
IT1108132B (it) * 1978-07-12 1985-12-02 Fiat Trattori Spa Dispositivo atto a migliorare il controllo di attrezzi portati da trattori agricoli
US4315548A (en) * 1979-10-01 1982-02-16 Kubota, Ltd. Tractor with a traction load sensing device

Also Published As

Publication number Publication date
IT1139341B (it) 1986-09-24
ES502859A0 (es) 1982-04-01
AT387302B (de) 1989-01-10
DE3021777A1 (de) 1981-12-24
US4410046A (en) 1983-10-18
GB2077086A (en) 1981-12-16
IT8122150A0 (it) 1981-06-05
ATA255981A (de) 1988-06-15
FR2489082A1 (fr) 1982-03-05
FR2489082B1 (cg-RX-API-DMAC10.html) 1985-03-15
ES8203550A1 (es) 1982-04-01

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Legal Events

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