FR2083372A1 - - Google Patents

Info

Publication number
FR2083372A1
FR2083372A1 FR7109282A FR7109282A FR2083372A1 FR 2083372 A1 FR2083372 A1 FR 2083372A1 FR 7109282 A FR7109282 A FR 7109282A FR 7109282 A FR7109282 A FR 7109282A FR 2083372 A1 FR2083372 A1 FR 2083372A1
Authority
FR
France
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.)
Granted
Application number
FR7109282A
Other languages
French (fr)
Other versions
FR2083372B1 (en
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of FR2083372A1 publication Critical patent/FR2083372A1/fr
Application granted granted Critical
Publication of FR2083372B1 publication Critical patent/FR2083372B1/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
    • E02F3/764—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being pivotable about a vertical axis
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
FR7109282A 1970-03-18 1971-03-17 Expired FR2083372B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2072670A 1970-03-18 1970-03-18

Publications (2)

Publication Number Publication Date
FR2083372A1 true FR2083372A1 (en) 1971-12-17
FR2083372B1 FR2083372B1 (en) 1974-10-11

Family

ID=21800211

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7109282A Expired FR2083372B1 (en) 1970-03-18 1971-03-17

Country Status (3)

Country Link
DE (1) DE2112571C3 (en)
FR (1) FR2083372B1 (en)
GB (1) GB1330566A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114382937A (en) * 2021-11-29 2022-04-22 武汉船用机械有限责任公司 Hydraulic control device of electrohydraulic ball valve

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB819864A (en) * 1955-06-08 1959-09-09 Taylor & Sons Manchester Ltd F Improvements in or relating to slewing motors for jibbed machines and the like
US3143814A (en) * 1962-02-23 1964-08-11 Deere & Co Scrapers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB819864A (en) * 1955-06-08 1959-09-09 Taylor & Sons Manchester Ltd F Improvements in or relating to slewing motors for jibbed machines and the like
US3143814A (en) * 1962-02-23 1964-08-11 Deere & Co Scrapers

Also Published As

Publication number Publication date
FR2083372B1 (en) 1974-10-11
DE2112571A1 (en) 1971-09-30
GB1330566A (en) 1973-09-19
DE2112571C3 (en) 1980-08-28
DE2112571B2 (en) 1979-12-20

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Legal Events

Date Code Title Description
ST Notification of lapse