OA01448A - Hydraulic lifting device for tractors. - Google Patents

Hydraulic lifting device for tractors.

Info

Publication number
OA01448A
OA01448A OA51982A OA51982A OA01448A OA 01448 A OA01448 A OA 01448A OA 51982 A OA51982 A OA 51982A OA 51982 A OA51982 A OA 51982A OA 01448 A OA01448 A OA 01448A
Authority
OA
OAPI
Prior art keywords
tractors
lifting device
hydraulic lifting
hydraulic
lifting
Prior art date
Application number
OA51982A
Other languages
French (fr)
Original Assignee
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 claimed from FR774018A external-priority patent/FR1222459A/en
Application filed by Renault filed Critical Renault
Publication of OA01448A publication Critical patent/OA01448A/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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
OA51982A 1958-09-08 1964-12-31 Hydraulic lifting device for tractors. OA01448A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR774018A FR1222459A (en) 1958-09-08 1958-09-08 Hydraulic lifting device for tractors
FR813982 1959-12-23

Publications (1)

Publication Number Publication Date
OA01448A true OA01448A (en) 1969-07-04

Family

ID=26183552

Family Applications (1)

Application Number Title Priority Date Filing Date
OA51982A OA01448A (en) 1958-09-08 1964-12-31 Hydraulic lifting device for tractors.

Country Status (4)

Country Link
US (1) US3156156A (en)
FR (1) FR76796E (en)
GB (1) GB927176A (en)
OA (1) OA01448A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239012A (en) * 1960-08-26 1966-03-08 Massey Ferguson Inc Hydraulic power unit and control system for tractors
FR1325023A (en) * 1962-03-14 1963-04-26 Siderurgie Fse Inst Rech Control process for combustion-free capture of gases from pneumatic refining of pig irons
US4183287A (en) * 1975-02-22 1980-01-15 Kubota Tekko Co., Ltd. Hydraulic control apparatus for tractor
JP4206373B2 (en) * 2004-08-24 2009-01-07 ヤンマー株式会社 Hydraulic lift structure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2375946A (en) * 1942-07-08 1945-05-15 Western Electric Co Control system
US2538143A (en) * 1943-02-01 1951-01-16 Deere & Co Power lift
US2482249A (en) * 1944-11-01 1949-09-20 Deere & Co Hydraulic mechanism
US2477710A (en) * 1945-10-15 1949-08-02 Deere & Co Pressure fluid follow-up servomotor
US2847030A (en) * 1955-01-03 1958-08-12 Ford Motor Co Valve means for tractor hydraulic system
US2851938A (en) * 1956-05-28 1958-09-16 Deere Mfg Co Tractor hydraulic power lift control

Also Published As

Publication number Publication date
FR76796E (en) 1961-12-01
US3156156A (en) 1964-11-10
GB927176A (en) 1963-05-29

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