DE3372435D1 - Hydraulic trip mechanism for ploughs - Google Patents

Hydraulic trip mechanism for ploughs

Info

Publication number
DE3372435D1
DE3372435D1 DE8383402131T DE3372435T DE3372435D1 DE 3372435 D1 DE3372435 D1 DE 3372435D1 DE 8383402131 T DE8383402131 T DE 8383402131T DE 3372435 T DE3372435 T DE 3372435T DE 3372435 D1 DE3372435 D1 DE 3372435D1
Authority
DE
Germany
Prior art keywords
valve
opening
accumulator
pressure
cylinder
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
DE8383402131T
Other languages
English (en)
Inventor
Yves Brun
Louis Claude Porel
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.)
HUARD UCF
Original Assignee
HUARD UCF
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 HUARD UCF filed Critical HUARD UCF
Application granted granted Critical
Publication of DE3372435D1 publication Critical patent/DE3372435D1/de
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
    • A01B61/00—Devices for, or parts of, agricultural machines or implements for preventing overstrain
    • A01B61/04—Devices for, or parts of, agricultural machines or implements for preventing overstrain of the connection between tools and carrier beam or frame
    • A01B61/044—Devices for, or parts of, agricultural machines or implements for preventing overstrain of the connection between tools and carrier beam or frame the connection enabling a yielding pivoting movement around a substantially horizontal and transverse axis
    • A01B61/046—Devices for, or parts of, agricultural machines or implements for preventing overstrain of the connection between tools and carrier beam or frame the connection enabling a yielding pivoting movement around a substantially horizontal and transverse axis the device including an energy accumulator for restoring the tool to its working position
    • A01B61/048—Devices for, or parts of, agricultural machines or implements for preventing overstrain of the connection between tools and carrier beam or frame the connection enabling a yielding pivoting movement around a substantially horizontal and transverse axis the device including an energy accumulator for restoring the tool to its working position the connection or the energy accumulator being active in two opposite directions, e.g. for reversible plows

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Soil Working Implements (AREA)
  • Hydraulic Motors (AREA)
  • Lubricants (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
DE8383402131T 1982-11-17 1983-11-02 Hydraulic trip mechanism for ploughs Expired DE3372435D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8219219A FR2535935B1 (fr) 1982-11-17 1982-11-17 Perfectionnements aux systemes hydrauliques de securite pour charrues a declenchement et reenclenchement automatiques

Publications (1)

Publication Number Publication Date
DE3372435D1 true DE3372435D1 (en) 1987-08-20

Family

ID=9279247

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383402131T Expired DE3372435D1 (en) 1982-11-17 1983-11-02 Hydraulic trip mechanism for ploughs

Country Status (4)

Country Link
EP (1) EP0109882B1 (de)
AT (1) ATE28255T1 (de)
DE (1) DE3372435D1 (de)
FR (1) FR2535935B1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587814B1 (fr) * 1985-09-20 1990-05-11 Huard Ucf Dispositif de tarage pour appareillage hydraulique de securite, notamment pour charrues
FR2633800B1 (fr) * 1988-07-08 1991-04-26 Huard Sa Systeme hydraulique de securite pour charrue
US5072793A (en) * 1990-08-02 1991-12-17 Case Corporation Trip assembly
DE19541581A1 (de) * 1995-01-23 1996-07-25 Eberhardt Maschinenfabrik Gmbh Vorrichtung zum Schutz der Arbeitswerkzeuge von Bodenbearbeitungsgeräten gegen Überlastung
WO1997001949A1 (en) * 1995-06-30 1997-01-23 Allan James Yeomans A soil penetrating tool assembly
DE19652615C1 (de) * 1996-12-18 1998-03-12 Eberhardt Maschinenfabrik Gmbh Hydraulische Überlastsicherung für Pflüge
FR2764768B1 (fr) * 1997-06-23 1999-08-06 Forhydro Dispositif de maintien d'outils en position de travail du sol
US20080093093A1 (en) * 2006-10-24 2008-04-24 Morris Industries Ltd Combination Hydraulic Hold-Down and Lift System for an Agricultural Implement
FR2964292B1 (fr) 2010-09-06 2013-09-27 Kuhn Huard Sa Charrue avec un dispositif pour soulever au moins un age
RU197465U1 (ru) * 2019-12-30 2020-04-29 Акционерное общество "Алтайский завод сельскохозяйственного машиностроения" Устройство от перегрузок стоек агрегата при обработке почвы

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3032122A (en) * 1960-09-21 1962-05-01 Cletus J Geurts Spring trip release
DE1298343B (de) * 1966-10-05 1969-06-26 Ventzki Gmbh Eislingen Hydraulische UEberlastsicherung fuer Bodenbearbeitungswerkzeuge
US3561541A (en) * 1967-09-21 1971-02-09 Roger W Woelfel Tractor and implement hydraulic control system
DE1908381A1 (de) * 1969-02-20 1970-09-10 Rabewerk Clausing Heinrich Pflug mit UEberlastsicherung
NL7704892A (nl) * 1977-05-04 1978-11-07 Lely Nv C Van Der Landbouwwerktuig.

Also Published As

Publication number Publication date
EP0109882B1 (de) 1987-07-15
EP0109882A1 (de) 1984-05-30
FR2535935A1 (fr) 1984-05-18
ATE28255T1 (de) 1987-08-15
FR2535935B1 (fr) 1986-06-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee