ZA717121B - Hydraulic depth control for agricultural implements - Google Patents

Hydraulic depth control for agricultural implements

Info

Publication number
ZA717121B
ZA717121B ZA717121A ZA717121A ZA717121B ZA 717121 B ZA717121 B ZA 717121B ZA 717121 A ZA717121 A ZA 717121A ZA 717121 A ZA717121 A ZA 717121A ZA 717121 B ZA717121 B ZA 717121B
Authority
ZA
South Africa
Prior art keywords
depth control
agricultural implements
hydraulic depth
hydraulic
agricultural
Prior art date
Application number
ZA717121A
Other languages
English (en)
Inventor
R Hook
V Haverdink
Original Assignee
Deere & 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 & Co filed Critical Deere & Co
Publication of ZA717121B publication Critical patent/ZA717121B/xx

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
    • 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
    • A01B63/16—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors with wheels adjustable relatively to the frame
    • A01B63/22—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors with wheels adjustable relatively to the frame operated by hydraulic or pneumatic means
ZA717121A 1970-11-02 1971-10-25 Hydraulic depth control for agricultural implements ZA717121B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8599670A 1970-11-02 1970-11-02

Publications (1)

Publication Number Publication Date
ZA717121B true ZA717121B (en) 1972-09-27

Family

ID=22195292

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA717121A ZA717121B (en) 1970-11-02 1971-10-25 Hydraulic depth control for agricultural implements

Country Status (4)

Country Link
US (1) US3663032A (de)
CA (1) CA929019A (de)
DE (1) DE2140882C3 (de)
ZA (1) ZA717121B (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5450908A (en) * 1993-04-14 1995-09-19 Krause Plow Corporation, Inc. Spring-cushioned hydraulic depth control system for tillage implements
US5957218A (en) * 1997-11-18 1999-09-28 Deere & Company Electrohydraulic control of implement lift cylinders
US6000315A (en) * 1998-05-04 1999-12-14 Deere & Company Lift control for implement frame
US6129157A (en) 1999-08-10 2000-10-10 Deere & Company Bypass system for electronically controlled implement lift
US6578642B2 (en) * 2001-07-18 2003-06-17 Deere & Company Rear mounted attachment with single acting cylinder
US6698523B2 (en) 2002-07-02 2004-03-02 Husco International, Inc. Electrohydraulic control system for implement lift cylinders
GB2398720B (en) 2003-02-27 2006-04-12 Agco Gmbh & Co Lifting unit for the lower links of a tractor
US7478683B2 (en) * 2005-07-29 2009-01-20 Deere & Company Cylinder synchronization for an implement lift system
SE535908C2 (sv) * 2011-03-14 2013-02-12 Vaederstad Verken Ab Lantbruksredskap samt förfarande för styrning av ett lantbruksredskap
US9259986B2 (en) 2013-10-14 2016-02-16 Agco Corporation Machine suspension and height adjustment
US9180747B2 (en) 2013-10-14 2015-11-10 Agco Corporation System and method of adjusting the chassis height of a machine
US9296273B2 (en) 2013-10-14 2016-03-29 Agco Corporation Machine suspension and height adjustment
US9079470B2 (en) 2013-10-14 2015-07-14 Agco Corporation Vehicle with chassis height adjustment
US9290074B2 (en) 2013-10-14 2016-03-22 Agco Corporation Machine suspension and height adjustment
US10405479B2 (en) * 2016-03-28 2019-09-10 Kinze Manufacturing, Inc. Mechanical cylinder synchronizer
DE102017102114A1 (de) 2017-02-03 2018-08-09 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Hydraulische Betätigungsvorrichtung für eine landwirtschaftliche Bodenbearbeitungsmaschine
ES2776641T3 (es) * 2017-06-30 2020-07-31 Kverneland Group Les Landes Genusson S A S Máquina agrícola y método para el funcionamiento de una máquina agrícola

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2641886A (en) * 1947-10-18 1953-06-16 William T Graham Winged wheeled harrow
US3240506A (en) * 1962-07-25 1966-03-15 Wayne W Mcmullen Truck having vertically movable trailer
US3356383A (en) * 1967-01-27 1967-12-05 Eugene A Sneed Handle propelled cart
US3486761A (en) * 1967-08-30 1969-12-30 Roll O Flex Ltd Hydraulic elevating controls

Also Published As

Publication number Publication date
DE2140882C3 (de) 1980-09-18
DE2140882B2 (de) 1980-01-24
DE2140882A1 (de) 1972-05-10
CA929019A (en) 1973-06-26
US3663032A (en) 1972-05-16

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