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FR1222459A - Hydraulic lifting device for tractors - Google Patents

Hydraulic lifting device for tractors

Info

Publication number
FR1222459A
FR1222459A FR774018A FR774018A FR1222459A FR 1222459 A FR1222459 A FR 1222459A FR 774018 A FR774018 A FR 774018A FR 774018 A FR774018 A FR 774018A FR 1222459 A FR1222459 A FR 1222459A
Authority
FR
France
Prior art keywords
tractors
lifting device
hydraulic lifting
hydraulic
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
FR774018A
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 FR774018A priority Critical patent/FR1222459A/en
Priority to US832814A priority patent/US3156156A/en
Priority to GB29075/59A priority patent/GB927176A/en
Priority to FR813982A priority patent/FR76796E/en
Application granted granted Critical
Publication of FR1222459A publication Critical patent/FR1222459A/en
Priority to OA51982A priority patent/OA01448A/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
    • A01B63/1006—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor
    • A01B63/1013—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor and being located inside the tractor body
    • 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
    • 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
    • A01B63/114—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 achieve a constant working depth
    • A01B63/1145—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 achieve a constant working depth for controlling weight transfer between implements and tractor wheels

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
FR774018A 1958-09-08 1958-09-08 Hydraulic lifting device for tractors Expired FR1222459A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR774018A FR1222459A (en) 1958-09-08 1958-09-08 Hydraulic lifting device for tractors
US832814A US3156156A (en) 1958-09-08 1959-08-10 Hydraulic lifting devices of tractors
GB29075/59A GB927176A (en) 1958-09-08 1959-08-25 Improvements in or relating to hydraulic devices for effecting raising and lowering of equipment coupled to agricultural tractors
FR813982A FR76796E (en) 1958-09-08 1959-12-23 Hydraulic lifting device for tractors
OA51982A OA01448A (en) 1958-09-08 1964-12-31 Hydraulic lifting device for tractors.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR774018A FR1222459A (en) 1958-09-08 1958-09-08 Hydraulic lifting device for tractors

Publications (1)

Publication Number Publication Date
FR1222459A true FR1222459A (en) 1960-06-10

Family

ID=34917346

Family Applications (1)

Application Number Title Priority Date Filing Date
FR774018A Expired FR1222459A (en) 1958-09-08 1958-09-08 Hydraulic lifting device for tractors

Country Status (1)

Country Link
FR (1) FR1222459A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3171496A (en) * 1961-12-04 1965-03-02 Int Harvester Co Hydraulic control system
US3235010A (en) * 1964-01-30 1966-02-15 Case Co J I Load depth control valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3171496A (en) * 1961-12-04 1965-03-02 Int Harvester Co Hydraulic control system
US3235010A (en) * 1964-01-30 1966-02-15 Case Co J I Load depth control valve

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