FR2343412A1 - Suspension hydraulique de machine agricole - Google Patents

Suspension hydraulique de machine agricole

Info

Publication number
FR2343412A1
FR2343412A1 FR7606617A FR7606617A FR2343412A1 FR 2343412 A1 FR2343412 A1 FR 2343412A1 FR 7606617 A FR7606617 A FR 7606617A FR 7606617 A FR7606617 A FR 7606617A FR 2343412 A1 FR2343412 A1 FR 2343412A1
Authority
FR
France
Prior art keywords
descent
return valve
back pressure
spring loaded
agricultural machine
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.)
Granted
Application number
FR7606617A
Other languages
English (en)
Other versions
FR2343412B1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7606617A priority Critical patent/FR2343412A1/fr
Publication of FR2343412A1 publication Critical patent/FR2343412A1/fr
Application granted granted Critical
Publication of FR2343412B1 publication Critical patent/FR2343412B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D33/00—Accessories for digging harvesters
    • A01D33/14—Lifting or lowering mechanisms for the tools
    • 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
    • A01B63/14—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors
    • A01B63/145—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors for controlling weight transfer between implements and tractor wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/48—Arrangements for providing different damping effects at different parts of the stroke

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Soil Sciences (AREA)
  • Vehicle Body Suspensions (AREA)
FR7606617A 1976-03-08 1976-03-08 Suspension hydraulique de machine agricole Granted FR2343412A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7606617A FR2343412A1 (fr) 1976-03-08 1976-03-08 Suspension hydraulique de machine agricole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7606617A FR2343412A1 (fr) 1976-03-08 1976-03-08 Suspension hydraulique de machine agricole

Publications (2)

Publication Number Publication Date
FR2343412A1 true FR2343412A1 (fr) 1977-10-07
FR2343412B1 FR2343412B1 (fr) 1980-06-13

Family

ID=9170127

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7606617A Granted FR2343412A1 (fr) 1976-03-08 1976-03-08 Suspension hydraulique de machine agricole

Country Status (1)

Country Link
FR (1) FR2343412A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4354555A (en) * 1979-10-31 1982-10-19 Zahnradfabrik Friedrichshafen, Ag. Hydraulic lifting arrangement for implements, especially on tractors
FR2681213A1 (fr) * 1991-09-18 1993-03-19 Moreau Sa Dispositif de controle de la position d'un organe de travail a usage agricole ou de traitement de sol.
EP0617881A1 (fr) * 1993-03-29 1994-10-05 Deere & Company Dispositif de raccordement d'un outil à un tracteur
EP1097622A3 (fr) * 1999-11-03 2002-07-31 ANTONIO CARRARO S.p.A. Circuit hydraulique pour lever et laisser flotter un outil soutenu par un tracteur

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4354555A (en) * 1979-10-31 1982-10-19 Zahnradfabrik Friedrichshafen, Ag. Hydraulic lifting arrangement for implements, especially on tractors
FR2681213A1 (fr) * 1991-09-18 1993-03-19 Moreau Sa Dispositif de controle de la position d'un organe de travail a usage agricole ou de traitement de sol.
EP0533571A1 (fr) * 1991-09-18 1993-03-24 S.A. Moreau Dispositif de contrôle de la position d'un organe de travail à usage agricole ou de traitement de sol
EP0617881A1 (fr) * 1993-03-29 1994-10-05 Deere & Company Dispositif de raccordement d'un outil à un tracteur
EP1097622A3 (fr) * 1999-11-03 2002-07-31 ANTONIO CARRARO S.p.A. Circuit hydraulique pour lever et laisser flotter un outil soutenu par un tracteur

Also Published As

Publication number Publication date
FR2343412B1 (fr) 1980-06-13

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Legal Events

Date Code Title Description
ST Notification of lapse
RC Opposition against decision of lapse
DA Annulment of decision of lapse
ST Notification of lapse