NL7804194A - Trekker met hefinrichting. - Google Patents

Trekker met hefinrichting.

Info

Publication number
NL7804194A
NL7804194A NL7804194A NL7804194A NL7804194A NL 7804194 A NL7804194 A NL 7804194A NL 7804194 A NL7804194 A NL 7804194A NL 7804194 A NL7804194 A NL 7804194A NL 7804194 A NL7804194 A NL 7804194A
Authority
NL
Netherlands
Prior art keywords
tractor
lifting gear
lifting
gear
Prior art date
Application number
NL7804194A
Other languages
English (en)
Original Assignee
Lely Nv C Van Der
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 Lely Nv C Van Der filed Critical Lely Nv C Van Der
Priority to NL7804194A priority Critical patent/NL7804194A/nl
Priority to US06/030,377 priority patent/US4279138A/en
Priority to GB7913571A priority patent/GB2019186A/en
Priority to DE19792915820 priority patent/DE2915820A1/de
Priority to FR7910014A priority patent/FR2423123A1/fr
Publication of NL7804194A publication Critical patent/NL7804194A/nl

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
    • A01B63/02—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
    • A01B63/114—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 to achieve a constant working depth

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Agricultural Machines (AREA)
NL7804194A 1978-04-20 1978-04-20 Trekker met hefinrichting. NL7804194A (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL7804194A NL7804194A (nl) 1978-04-20 1978-04-20 Trekker met hefinrichting.
US06/030,377 US4279138A (en) 1978-04-20 1979-04-16 Vehicle with a lifting device responsive to ground irregularities
GB7913571A GB2019186A (en) 1978-04-20 1979-04-19 Tractor power lift mechanisms
DE19792915820 DE2915820A1 (de) 1978-04-20 1979-04-19 Nutzfahrzeug mit hebevorrichtung
FR7910014A FR2423123A1 (fr) 1978-04-20 1979-04-20 Tracteur avec dispositif de levage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7804194A NL7804194A (nl) 1978-04-20 1978-04-20 Trekker met hefinrichting.

Publications (1)

Publication Number Publication Date
NL7804194A true NL7804194A (nl) 1979-10-23

Family

ID=19830685

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7804194A NL7804194A (nl) 1978-04-20 1978-04-20 Trekker met hefinrichting.

Country Status (5)

Country Link
US (1) US4279138A (nl)
DE (1) DE2915820A1 (nl)
FR (1) FR2423123A1 (nl)
GB (1) GB2019186A (nl)
NL (1) NL7804194A (nl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4381036A (en) * 1980-06-05 1983-04-26 International Harvester Co. Planter height and marker control system
IL67437A (en) * 1982-12-09 1987-12-31 Israel Aircraft Ind Ltd Mine-field clearing apparatus
US4690030A (en) * 1982-12-09 1987-09-01 Israel Aircraft Industries Ltd. Mine field clearing apparatus
US4840105A (en) * 1987-03-16 1989-06-20 Israel Aircraft Industries Ltd. Mine field clearing apparatus
FR2632484B1 (fr) * 1988-06-14 1991-09-06 Matrot Louis Systeme de regulation de hauteur perfectionne
NL1005389C2 (nl) * 1997-02-27 1998-08-28 Rumptstad Ind B V Grondbewerkings-machine zoals een rotorkopeg of dergelijke.
US6555932B1 (en) * 2000-06-29 2003-04-29 Frank A. Albrecht Cut-off circuit for sensing apparatus
NL1015800C2 (nl) * 2000-07-25 2002-01-28 Lely Entpr Ag Inrichting voor het bewerken van een bodemoppervlak.
NL1015801C2 (nl) * 2000-07-25 2002-01-28 Lely Entpr Ag Inrichting voor het bewerken van een bodemoppervlak.
US8235130B2 (en) 2008-06-05 2012-08-07 Cnh Canada, Ltd. Method and apparatus for controlling the depth of an agricultural work unit mounted to a frame that can be raised and lowered by a cylinder assembly
US8857530B2 (en) 2011-03-07 2014-10-14 Cnh Industrial Canada, Ltd. Automatic depth control system for an agricultural implement
CN108859749B (zh) * 2018-06-28 2024-02-27 陕西润牧农业科技有限公司 一种多缸小型橡胶履带拖拉机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA821831A (en) * 1969-09-02 W. Blake Francis Farm tool carrier
US2635519A (en) * 1947-05-09 1953-04-21 Cook Einar Hydraulic control system
US2616350A (en) * 1949-09-06 1952-11-04 Robinson Garner Laverne Depth controller
DE968218C (de) * 1953-12-24 1958-01-23 Hanomag Ag An die Hydraulikanlage eines Schleppers od. dgl. angeschlossene Vorrichtung zur selbsttaetigen Regulierung der Arbeitstiefe von Geraeten
FR1268718A (fr) * 1960-09-02 1961-08-04 Porsche Diesel Motorenbau G M Dispositif de régulation automatique de la profondeur d'attaque d'outils de travailliés à un tracteur par des parallélogrammes articulés comportant un dispositif de palpage
CH384918A (de) * 1961-05-08 1965-02-26 Bucher Guyer Ag Masch Kraftheberanlage eines Traktors
GB1002492A (en) * 1962-09-06 1965-08-25 Brown Tractors Ltd An improvement in or relating to hydraulic power lift mechanisms for tractors
FR1374855A (fr) * 1963-11-18 1964-10-09 Int Harvester Co Dispositif de commande automatique de traction et de position sur des tracteurs agricoles
DE1557863A1 (de) * 1966-07-18 1970-10-29 Traktorenwerk Schoenebeck Veb Steuervorrichtung zur automatischen Tiefenregelung von an Traktoren angebauten Bodenbearbeitungsgeraeten
GB1303032A (nl) * 1970-01-14 1973-01-17
GB1392234A (en) * 1971-05-27 1975-04-30 Fiat Spa Control devices for agricultural tractor-mounted implements
US4176721A (en) * 1976-11-30 1979-12-04 Kep Enterprises Depth control for ground working agricultural implements

Also Published As

Publication number Publication date
FR2423123B1 (nl) 1985-02-08
GB2019186A (en) 1979-10-31
US4279138A (en) 1981-07-21
FR2423123A1 (fr) 1979-11-16
DE2915820A1 (de) 1979-10-31

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
BV The patent application has lapsed