OA01648A - Improvements made to hydraulic control systems for agricultural tractors. - Google Patents

Improvements made to hydraulic control systems for agricultural tractors.

Info

Publication number
OA01648A
OA01648A OA51860A OA51860A OA01648A OA 01648 A OA01648 A OA 01648A OA 51860 A OA51860 A OA 51860A OA 51860 A OA51860 A OA 51860A OA 01648 A OA01648 A OA 01648A
Authority
OA
OAPI
Prior art keywords
hydraulic control
control systems
improvements made
agricultural tractors
tractors
Prior art date
Application number
OA51860A
Other languages
French (fr)
Inventor
Louis Pignolet
Original Assignee
Sigma
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 claimed from FR953033A external-priority patent/FR84681E/en
Application filed by Sigma filed Critical Sigma
Publication of OA01648A publication Critical patent/OA01648A/en

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
    • A01B63/114—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)
OA51860A 1963-11-07 1964-12-31 Improvements made to hydraulic control systems for agricultural tractors. OA01648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR953033A FR84681E (en) 1959-03-20 1963-11-07 Improvements to hydraulic control systems for agricultural tractors

Publications (1)

Publication Number Publication Date
OA01648A true OA01648A (en) 1969-09-20

Family

ID=8816047

Family Applications (1)

Application Number Title Priority Date Filing Date
OA51860A OA01648A (en) 1963-11-07 1964-12-31 Improvements made to hydraulic control systems for agricultural tractors.

Country Status (1)

Country Link
OA (1) OA01648A (en)

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