FR74960E - Improvements to hydraulic lifting systems - Google Patents

Improvements to hydraulic lifting systems

Info

Publication number
FR74960E
FR74960E FR786710A FR786710A FR74960E FR 74960 E FR74960 E FR 74960E FR 786710 A FR786710 A FR 786710A FR 786710 A FR786710 A FR 786710A FR 74960 E FR74960 E FR 74960E
Authority
FR
France
Prior art keywords
hydraulic lifting
lifting systems
systems
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
FR786710A
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.)
DBA SA
Original Assignee
DBA SA
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 DBA SA filed Critical DBA SA
Priority to FR786710A priority Critical patent/FR74960E/en
Application granted granted Critical
Publication of FR74960E publication Critical patent/FR74960E/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
    • A01B63/114—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)
FR786710A 1957-04-05 1959-02-13 Improvements to hydraulic lifting systems Expired FR74960E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR786710A FR74960E (en) 1957-04-05 1959-02-13 Improvements to hydraulic lifting systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1176951T 1957-04-05
FR786710A FR74960E (en) 1957-04-05 1959-02-13 Improvements to hydraulic lifting systems

Publications (1)

Publication Number Publication Date
FR74960E true FR74960E (en) 1961-03-03

Family

ID=34921425

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786710A Expired FR74960E (en) 1957-04-05 1959-02-13 Improvements to hydraulic lifting systems

Country Status (1)

Country Link
FR (1) FR74960E (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1171663B (en) * 1963-08-10 1964-06-04 Kloeckner Humboldt Deutz Ag Hydraulic actual value transmitter for the power lift control system of agricultural tractors
DE1215421B (en) * 1962-11-09 1966-04-28 Bucher Johann Maschf Control device for the hydraulic power lift of a tractor
DE1279404B (en) * 1963-12-19 1968-10-03 Dowty Hydraulic Units Ltd Control device for the hydraulic lifting system of an agricultural tractor
DE1279405B (en) * 1964-01-16 1968-10-03 Arle Court Control device for the hydraulic lifting system of an agricultural tractor
US4085806A (en) * 1975-03-04 1978-04-25 Kubota Tekko Kabushiki Kaisha Hydraulic control system for tractor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1215421B (en) * 1962-11-09 1966-04-28 Bucher Johann Maschf Control device for the hydraulic power lift of a tractor
DE1171663B (en) * 1963-08-10 1964-06-04 Kloeckner Humboldt Deutz Ag Hydraulic actual value transmitter for the power lift control system of agricultural tractors
DE1279404B (en) * 1963-12-19 1968-10-03 Dowty Hydraulic Units Ltd Control device for the hydraulic lifting system of an agricultural tractor
DE1279405B (en) * 1964-01-16 1968-10-03 Arle Court Control device for the hydraulic lifting system of an agricultural tractor
US4085806A (en) * 1975-03-04 1978-04-25 Kubota Tekko Kabushiki Kaisha Hydraulic control system for tractor

Similar Documents

Publication Publication Date Title
FR1175084A (en) Improvements to hydraulic distributors
FR1201765A (en) Improvements to lubrication systems
FR1149196A (en) Improvements to hydraulic system valves
FR74960E (en) Improvements to hydraulic lifting systems
FR1233544A (en) Improvements to hydraulic lifting systems
FR1202272A (en) Improvements to hydraulic brake controls
FR1201162A (en) Improvements to props or hydraulic cylinders
FR1176951A (en) Improvements to hydraulic lifting systems
FR1187979A (en) Improvements to telephone systems
FR1208786A (en) Improvements to hydraulic devices
FR1246737A (en) Improvements to servo-mechanisms
FR1177223A (en) Improvements to valves
FR1195087A (en) Improvements to direction finders
FR1210986A (en) Improvements to telephone systems
FR1220044A (en) Improvements to telecommunication systems
FR78812E (en) Improvements to hydraulic turbo-couplers
FR1206106A (en) Improvements to valves
FR1169686A (en) Improvements to hydraulic brakes
FR1169415A (en) Improvements to hydraulic distributors
FR1164689A (en) Improvements to pumping systems
FR1225675A (en) Improvements to cathode systems
FR1166012A (en) Improvements to cylinders
FR1192487A (en) Improvements to stacker cranes
FR1198629A (en) Improvements to sensors
FR1211697A (en) Improvements made to hydraulic piston-spool distributors