FR1363918A - Hydraulic implement lifting and force control device for agricultural tractors - Google Patents

Hydraulic implement lifting and force control device for agricultural tractors

Info

Publication number
FR1363918A
FR1363918A FR926788A FR926788A FR1363918A FR 1363918 A FR1363918 A FR 1363918A FR 926788 A FR926788 A FR 926788A FR 926788 A FR926788 A FR 926788A FR 1363918 A FR1363918 A FR 1363918A
Authority
FR
France
Prior art keywords
control device
force control
agricultural tractors
implement lifting
hydraulic implement
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
FR926788A
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
Application filed by Renault SAS, Regie Nationale des Usines Renault filed Critical Renault SAS
Priority to FR926788A priority Critical patent/FR1363918A/en
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 FR1363918A publication Critical patent/FR1363918A/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)
FR926788A 1963-03-04 1963-03-04 Hydraulic implement lifting and force control device for agricultural tractors Expired FR1363918A (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
FR1363918A true FR1363918A (en) 1964-06-19

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 After (1)

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

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174837A1 (en) * 1972-03-08 1973-10-19 Ford France

Families Citing this family (6)

* 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
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
US10202985B2 (en) * 2012-10-19 2019-02-12 Hema Endustri Anonim Sirketi System preventing pressured oil leakage to cylinder line in control valve systems with 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174837A1 (en) * 1972-03-08 1973-10-19 Ford France

Also Published As

Publication number Publication date
GB1062443A (en) 1967-03-22
FR1376690A (en) 1964-10-31
US3307455A (en) 1967-03-07
OA03396A (en) 1970-12-15

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