FR1376690A - Hydraulic implement lifting and tractive effort control device for agricultural tractor - Google Patents

Hydraulic implement lifting and tractive effort control device for agricultural tractor

Info

Publication number
FR1376690A
FR1376690A FR947625A FR947625A FR1376690A FR 1376690 A FR1376690 A FR 1376690A FR 947625 A FR947625 A FR 947625A FR 947625 A FR947625 A FR 947625A FR 1376690 A FR1376690 A FR 1376690A
Authority
FR
France
Prior art keywords
control device
agricultural tractor
tractive effort
effort control
implement lifting
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
FR947625A
Other languages
French (fr)
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.)
Renault SAS
Regie Nationale des Usines Renault
Original Assignee
Renault SAS
Regie Nationale des Usines Renault
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
Priority to FR926788A priority Critical patent/FR1363918A/en
Application filed by Renault SAS, Regie Nationale des Usines Renault filed Critical Renault SAS
Priority to FR947625A priority patent/FR1376690A/en
Priority to US348540A priority patent/US3307455A/en
Priority to GB8978/64A priority patent/GB1062443A/en
Application granted granted Critical
Publication of FR1376690A publication Critical patent/FR1376690A/en
Priority to OA51973A priority patent/OA03396A/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)
  • Mechanically-Actuated Valves (AREA)
FR947625A 1963-03-04 1963-09-16 Hydraulic implement lifting and tractive effort control device for agricultural tractor Expired FR1376690A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR926788A FR1363918A (en) 1963-03-04 1963-03-04 Hydraulic implement lifting and force control device for agricultural tractors
FR947625A FR1376690A (en) 1963-03-04 1963-09-16 Hydraulic implement lifting and tractive effort control device for agricultural tractor
US348540A US3307455A (en) 1963-03-04 1964-03-02 Hydraulic equipment raising and stresscontrol devices for farming tractors
GB8978/64A GB1062443A (en) 1963-03-04 1964-03-03 Improvements relating to implement height-control mechanisms for farming tractors
OA51973A OA03396A (en) 1963-03-04 1964-12-31 Hydraulic implement lifting and force control device for agricultural tractors.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR926788A FR1363918A (en) 1963-03-04 1963-03-04 Hydraulic implement lifting and force control device for agricultural tractors
FR947625A FR1376690A (en) 1963-03-04 1963-09-16 Hydraulic implement lifting and tractive effort control device for agricultural tractor

Publications (1)

Publication Number Publication Date
FR1376690A true FR1376690A (en) 1964-10-31

Family

ID=26200083

Family Applications (2)

Application Number Title Priority Date Filing Date
FR926788A Expired FR1363918A (en) 1963-03-04 1963-03-04 Hydraulic implement lifting and force control device for agricultural tractors
FR947625A Expired FR1376690A (en) 1963-03-04 1963-09-16 Hydraulic implement lifting and tractive effort control device for agricultural tractor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR926788A Expired FR1363918A (en) 1963-03-04 1963-03-04 Hydraulic implement lifting and force control device for agricultural tractors

Country Status (4)

Country Link
US (1) US3307455A (en)
FR (2) FR1363918A (en)
GB (1) GB1062443A (en)
OA (1) OA03396A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1273248B (en) * 1964-12-09 1968-07-18 Int Harvester Co Control device for lifting and lowering agricultural equipment connected to tractors equipped with traction control and position control
FR2174837A1 (en) * 1972-03-08 1973-10-19 Ford France

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3450007A (en) * 1967-02-06 1969-06-17 Morris D Robinson Combination valve mechanism for hydraulic power systems
FR1552254A (en) * 1967-11-24 1969-01-03
US4030295A (en) * 1976-06-03 1977-06-21 J. I. Case Company Control valve for tractor-implement hydraulic system
US4341148A (en) * 1980-09-30 1982-07-27 Modular Controls Corporation Hydraulic sequencing valve
TR201802649T4 (en) * 2012-10-19 2018-03-21 Hema Enduestri Anonim Sirketi PREVENTING PRESSURE OIL LEAKING IN CYLINDER LINE IN CONTROL VALVE SYSTEMS CONTAINING FLOW DIVIDER.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2799251A (en) * 1954-01-18 1957-07-16 Bob G Newgen Tractor hitch control device
US2970653A (en) * 1957-08-06 1961-02-07 Int Harvester Co Hydraulic depth control apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1273248B (en) * 1964-12-09 1968-07-18 Int Harvester Co Control device for lifting and lowering agricultural equipment connected to tractors equipped with traction control and position control
FR2174837A1 (en) * 1972-03-08 1973-10-19 Ford France

Also Published As

Publication number Publication date
FR1363918A (en) 1964-06-19
OA03396A (en) 1970-12-15
GB1062443A (en) 1967-03-22
US3307455A (en) 1967-03-07

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