FR2041787A1 - - Google Patents

Info

Publication number
FR2041787A1
FR2041787A1 FR7015973A FR7015973A FR2041787A1 FR 2041787 A1 FR2041787 A1 FR 2041787A1 FR 7015973 A FR7015973 A FR 7015973A FR 7015973 A FR7015973 A FR 7015973A FR 2041787 A1 FR2041787 A1 FR 2041787A1
Authority
FR
France
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.)
Granted
Application number
FR7015973A
Other languages
French (fr)
Other versions
FR2041787B1 (enExample
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.)
Navistar Inc
Original Assignee
International Harverster Corp
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 International Harverster Corp filed Critical International Harverster Corp
Publication of FR2041787A1 publication Critical patent/FR2041787A1/fr
Application granted granted Critical
Publication of FR2041787B1 publication Critical patent/FR2041787B1/fr
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)
  • Agricultural Machines (AREA)
  • Harvesting Machines For Root Crops (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Measuring Fluid Pressure (AREA)
FR7015973A 1969-05-01 1970-04-30 Expired FR2041787B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82075269A 1969-05-01 1969-05-01

Publications (2)

Publication Number Publication Date
FR2041787A1 true FR2041787A1 (enExample) 1971-02-05
FR2041787B1 FR2041787B1 (enExample) 1974-05-03

Family

ID=25231627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7015973A Expired FR2041787B1 (enExample) 1969-05-01 1970-04-30

Country Status (4)

Country Link
US (1) US3628610A (enExample)
DE (2) DE7014463U (enExample)
FR (1) FR2041787B1 (enExample)
GB (1) GB1303161A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731745A (en) * 1972-02-01 1973-05-08 Deere & Co Combined draft hook operating and draft sensing
US3834738A (en) * 1972-02-01 1974-09-10 Deere & Co Combined draft hook operating and draft sensing
US4253331A (en) * 1979-09-21 1981-03-03 The Cessna Aircraft Company Force measuring device
US6196328B1 (en) 2000-06-07 2001-03-06 Caterpillar Inc. Position sensor drive arrangement
US7721813B2 (en) * 2006-08-29 2010-05-25 Cnh America Llc Implement/hitch draft control using hitch cylinder pressure as load feedback
US7588089B2 (en) * 2006-10-26 2009-09-15 Cnh America Llc Implement weight and center of gravity determination based on hitch cylinder pressure
US9282690B2 (en) * 2013-12-19 2016-03-15 Deere & Company Three point hitch draft sensing system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB602291A (en) * 1944-11-23 1948-05-24 Ferguson Harry Inc Improvements in implement control means for tractor mounted agricultural implements
GB1016612A (en) * 1962-12-03 1966-01-12 Int Harvester Great Britain Improvements relating to tractors
GB1141719A (en) * 1966-10-08 1969-01-29 Brown Tractors Ltd An improvement in or relating to signalling units for draft controlled tractor powerlift mechanisms

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112798A (en) * 1959-10-16 1963-12-03 Ford Motor Co Power-liftable hitches
FR1274553A (fr) * 1960-09-12 1961-10-27 Perfectionnements aux dispositifs de contrôle et de commande de l'effort de traction de tracteurs, notamment pour véhicules ou instruments agricoles, et tracteurs en comportant applications
DE1153565B (de) * 1961-02-25 1963-08-29 Bosch Gmbh Robert Verfahren und Vorrichtung zum Regeln der Arbeitstiefe eines Bodenbearbeitungsgeraetes
US3233680A (en) * 1964-02-24 1966-02-08 Massey Ferguson Inc Automatic depth control mechanism
US3375876A (en) * 1965-01-07 1968-04-02 Case Co J I Draft sensing method and apparatus
US3520369A (en) * 1969-02-27 1970-07-14 Int Harvester Co Resilient draft sensing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB602291A (en) * 1944-11-23 1948-05-24 Ferguson Harry Inc Improvements in implement control means for tractor mounted agricultural implements
GB1016612A (en) * 1962-12-03 1966-01-12 Int Harvester Great Britain Improvements relating to tractors
GB1141719A (en) * 1966-10-08 1969-01-29 Brown Tractors Ltd An improvement in or relating to signalling units for draft controlled tractor powerlift mechanisms

Also Published As

Publication number Publication date
US3628610A (en) 1971-12-21
DE7014463U (de) 1971-09-16
FR2041787B1 (enExample) 1974-05-03
GB1303161A (enExample) 1973-01-17
DE2018903A1 (de) 1970-11-12

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Legal Events

Date Code Title Description
ST Notification of lapse