FR1280050A - Appareil hydraulique de terrage pour instruments aratoires - Google Patents

Appareil hydraulique de terrage pour instruments aratoires

Info

Publication number
FR1280050A
FR1280050A FR844109A FR844109A FR1280050A FR 1280050 A FR1280050 A FR 1280050A FR 844109 A FR844109 A FR 844109A FR 844109 A FR844109 A FR 844109A FR 1280050 A FR1280050 A FR 1280050A
Authority
FR
France
Prior art keywords
control device
depth control
tillage implements
hydraulic depth
hydraulic
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
FR844109A
Other languages
English (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.)
Navistar Inc
Original Assignee
International Harverster Corp
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 International Harverster Corp filed Critical International Harverster Corp
Priority to FR844109A priority Critical patent/FR1280050A/fr
Application granted granted Critical
Publication of FR1280050A publication Critical patent/FR1280050A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • 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
    • A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
    • A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
    • A01B59/066—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors of the type comprising at least two lower arms and one upper arm generally arranged in a triangle (e.g. three-point hitches)
    • A01B59/068—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors of the type comprising at least two lower arms and one upper arm generally arranged in a triangle (e.g. three-point hitches) the lower arms being lifted or lowered by power actuator means provided externally on the tractor
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Zoology (AREA)
FR844109A 1960-11-16 1960-11-16 Appareil hydraulique de terrage pour instruments aratoires Expired FR1280050A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR844109A FR1280050A (fr) 1960-11-16 1960-11-16 Appareil hydraulique de terrage pour instruments aratoires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR844109A FR1280050A (fr) 1960-11-16 1960-11-16 Appareil hydraulique de terrage pour instruments aratoires

Publications (1)

Publication Number Publication Date
FR1280050A true FR1280050A (fr) 1961-12-29

Family

ID=8742820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844109A Expired FR1280050A (fr) 1960-11-16 1960-11-16 Appareil hydraulique de terrage pour instruments aratoires

Country Status (1)

Country Link
FR (1) FR1280050A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2030420A1 (fr) * 1969-02-12 1970-11-13 Kloeckner Humboldt Deutz Ag
FR2188077A1 (fr) * 1972-06-14 1974-01-18 Hydraulique Art Is
EP1452082A1 (fr) * 2003-02-27 2004-09-01 Agco GmbH & Co. Unité de soulèvement pour bras inférieur de tracteur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2030420A1 (fr) * 1969-02-12 1970-11-13 Kloeckner Humboldt Deutz Ag
FR2188077A1 (fr) * 1972-06-14 1974-01-18 Hydraulique Art Is
EP1452082A1 (fr) * 2003-02-27 2004-09-01 Agco GmbH & Co. Unité de soulèvement pour bras inférieur de tracteur

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