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IT1158174B - DEVICE TO TURN A REVERSIBLE POWDER - Google Patents

DEVICE TO TURN A REVERSIBLE POWDER

Info

Publication number
IT1158174B
IT1158174B IT7852377A IT5237778A IT1158174B IT 1158174 B IT1158174 B IT 1158174B IT 7852377 A IT7852377 A IT 7852377A IT 5237778 A IT5237778 A IT 5237778A IT 1158174 B IT1158174 B IT 1158174B
Authority
IT
Italy
Prior art keywords
turn
reversible
powder
reversible powder
Prior art date
Application number
IT7852377A
Other languages
Italian (it)
Other versions
IT7852377A0 (en
Inventor
Gunther Obermeyer
Georg Strommer
Original Assignee
Weber Oelhydraulik
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 Weber Oelhydraulik filed Critical Weber Oelhydraulik
Publication of IT7852377A0 publication Critical patent/IT7852377A0/en
Application granted granted Critical
Publication of IT1158174B publication Critical patent/IT1158174B/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
    • A01B3/00—Ploughs with fixed plough-shares
    • A01B3/36—Ploughs mounted on tractors
    • A01B3/40—Alternating ploughs
    • A01B3/42—Turn-wrest ploughs
    • A01B3/421—Turn-wrest ploughs with a headstock frame made in one piece
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/15—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor with special provision for automatic return

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Vehicle Body Suspensions (AREA)
IT7852377A 1977-12-22 1978-12-20 DEVICE TO TURN A REVERSIBLE POWDER IT1158174B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772757467 DE2757467A1 (en) 1977-12-22 1977-12-22 DEVICE FOR SWIVELING A ROTATING PLOW

Publications (2)

Publication Number Publication Date
IT7852377A0 IT7852377A0 (en) 1978-12-20
IT1158174B true IT1158174B (en) 1987-02-18

Family

ID=6026970

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7852377A IT1158174B (en) 1977-12-22 1978-12-20 DEVICE TO TURN A REVERSIBLE POWDER

Country Status (6)

Country Link
DE (1) DE2757467A1 (en)
FR (1) FR2412242A1 (en)
GB (1) GB2014022B (en)
IT (1) IT1158174B (en)
NL (1) NL7812497A (en)
SE (1) SE7812430L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123727C2 (en) * 1981-06-15 1989-09-21 Emil Weber Fabrik für Ölhydraulik GmbH & Co, 7129 Güglingen Control device for pivoting a reversible plow
US4722262A (en) * 1983-05-21 1988-02-02 Massey-Ferguson Services N.V. Fluid pressure system and value therefor
EP0419810B1 (en) * 1989-09-28 1993-09-22 FAG Kugelfischer Georg Schäfer Aktiengesellschaft Power unit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2151777A1 (en) * 1971-10-18 1973-04-26 Reinhard Kucharzyk LIMIT SWITCH FOR HYDRAULIC SELF-CONTROLLING DIRECTIONAL VALVES
DE2259867A1 (en) * 1972-12-07 1974-06-12 Krone Bernhard Gmbh Maschf CONTROL FOR A TRACTOR HYDRAULIC ROTATING DEVICE
FR2298262A2 (en) * 1973-12-21 1976-08-20 Hengstler Hydraulik Hydraulic pivot for tractor towed rotary plough
NL7413850A (en) * 1973-12-21 1975-06-24 Hengstler Hydraulik HYDRAULIC ROTATION DEVICE FOR A ROTATION PLANE ATTACHABLE TO A TRACTOR.

Also Published As

Publication number Publication date
SE7812430L (en) 1979-06-23
DE2757467A1 (en) 1979-07-05
NL7812497A (en) 1979-06-26
GB2014022B (en) 1982-02-03
FR2412242A1 (en) 1979-07-20
GB2014022A (en) 1979-08-22
IT7852377A0 (en) 1978-12-20

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