IT8049134A0 - Dispositivo di regolazione per gli elementi di guida spostabili nell'altezza di un trattore agricolo - Google Patents

Dispositivo di regolazione per gli elementi di guida spostabili nell'altezza di un trattore agricolo

Info

Publication number: IT8049134A0
Authority: IT; Italy
Prior art keywords: moved; height; adjustment device; guide elements; agricultural tractor
Prior art date: 1979-07-02

Application number

IT8049134A

Other languages

English (en)

Other versions

IT1127503B (it

Inventor

Richard Arthur Schafer

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.)

1979-07-02

Filing date

1980-07-01

Publication date

1980-07-01

1980-07-01 Application filed by Deere & Co filed Critical Deere & Co

1980-07-01 Publication of IT8049134A0 publication Critical patent/IT8049134A0/it

1986-05-21 Application granted granted Critical

1986-05-21 Publication of IT1127503B publication Critical patent/IT1127503B/it

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
- A01B63/112—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 control draught load, i.e. tractive force

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)

IT49134/80A 1979-07-02 1980-07-01 Dispositivo di regolazione per gli elementi di guida spostabili nell'altezza di un trattore agricolo IT1127503B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/053,913 US4271910A (en)	1979-07-02	1979-07-02	Draft sensing device including load pin with free end

Publications (2)

Publication Number	Publication Date
IT8049134A0 true IT8049134A0 (it)	1980-07-01
IT1127503B IT1127503B (it)	1986-05-21

Family

ID=21987389

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT49134/80A IT1127503B (it)	1979-07-02	1980-07-01	Dispositivo di regolazione per gli elementi di guida spostabili nell'altezza di un trattore agricolo

Country Status (12)

Country	Link
US (1)	US4271910A (it)
JP (1)	JPS568604A (it)
AR (1)	AR230547A1 (it)
AU (1)	AU530121B2 (it)
CA (1)	CA1129707A (it)
DE (1)	DE3023046C2 (it)
ES (1)	ES8101834A1 (it)
FR (1)	FR2460093A1 (it)
GB (1)	GB2054339B (it)
IT (1)	IT1127503B (it)
MX (1)	MX150209A (it)
YU (1)	YU157380A (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3267858D1 (en) *	1981-02-24	1986-01-23	Massey Ferguson Sa	Tractor draft sensing apparatus
US4640368A (en) *	1986-02-27	1987-02-03	Deere & Company	Draft sensor including strain sensor coupled to load strap
DE3816166C2 (de) *	1988-05-11	1996-06-20	Bosch Gmbh Robert	Landwirtschaftlich nutzbare Zugmaschine mit angekoppeltem Arbeitsgerät
DE3843869A1 (de) *	1988-12-24	1990-06-28	Deere & Co	Kraftsensor zur bestimmung von zug- und druckkraeften
US5109707A (en) *	1990-11-13	1992-05-05	Deere & Company	C-beam force sensor
GB9414688D0 (en) *	1994-07-21	1994-09-07	Massey Ferguson Mfg	Implement linkage draft force sensing arrangement
US6196327B1 (en)	1999-04-01	2001-03-06	Case Corporation	EDC draft force based ride controller
US6234508B1 (en) *	1999-09-03	2001-05-22	Case Corporation	Upper link sensing
US9709969B2 (en)	2013-03-15	2017-07-18	Deere & Company	Methods and apparatus to control machine configurations
US9282690B2 (en) *	2013-12-19	2016-03-15	Deere & Company	Three point hitch draft sensing system
US20230157197A1 (en) *	2021-11-23	2023-05-25	Cnh Industrial America Llc	Agricultural system and method for determining a trip magnitude of a ground engaging tool of an agricultural implement

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3239013A (en) *	1960-12-19	1966-03-08	Int Harvester Co	Torsion bar spring draft sensing means for implement hitch mechanism
US3241620A (en) *	1960-12-19	1966-03-22	Int Harvester Co	Torsion bar spring draft sensing means for implement hitch mechanism
US3246702A (en) *	1961-12-06	1966-04-19	Allis Chalmers Mfg Co	Draft sensing device for tractor hydraulic system
DE1185000B (de) *	1963-02-20	1965-01-07	Kloeckner Humboldt Deutz Ag	Vorrichtung zum Regeln der Arbeitstiefe eines Bodenbearbeitungsgeraetes
DE1209789B (de) *	1965-04-17	1966-01-27	Steyr Daimler Puch Ag	Vorrichtung zum Einregeln der Arbeitstiefe von an Schleppern mit hydraulischem Hubwerk und Dreilenkersystem angebauten landwirtschaftlichen Geraeten
GB1094226A (en) *	1965-06-24	1967-12-06	Xaver Fendt	Control apparatus for regulating hydraulic positioning means for a cultivation implement on an agricultural vehicle
US3517747A (en) *	1967-08-21	1970-06-30	Int Harvester Co	Automatic control means for implement
GB1181010A (en) *	1967-12-21	1970-02-11	Thomas Smirthwaite	Improvements Relating to Agricultural Tractors
US3516498A (en) *	1968-03-07	1970-06-23	Case Co J I	Electro draft control mechanism
DE1816182A1 (de) *	1968-12-20	1970-10-01	Kloeckner Humboldt Deutz Ag	Hydraulische Kraftheberanlage fuer Ackerschlepper
US3520369A (en) *	1969-02-27	1970-07-14	Int Harvester Co	Resilient draft sensing device
US3814188A (en) *	1972-10-02	1974-06-04	Allis Chalmers	Electronic draft load sensing system
GB1488385A (en) *	1974-10-02	1977-10-12	Brown Tractors Ltd	Agricultural tractors
US3995696A (en) *	1975-02-10	1976-12-07	Deere & Company	Capacitance transducer load sensor
US3994347A (en) *	1975-03-10	1976-11-30	J. I. Case Company	Draft control system with control valve
US3994348A (en) *	1975-03-10	1976-11-30	J. I. Case Company	Draft control system on a vehicle including sensing mechanism therefor
US4185697A (en) *	1977-10-07	1980-01-29	Allis-Chalmers Corporation	Torsion bar draft load limit and preload adjuster

1979
- 1979-07-02 US US06/053,913 patent/US4271910A/en not_active Expired - Lifetime
1980
- 1980-04-23 CA CA350,451A patent/CA1129707A/en not_active Expired
- 1980-05-13 MX MX182309A patent/MX150209A/es unknown
- 1980-05-23 JP JP6880780A patent/JPS568604A/ja active Granted
- 1980-05-27 AU AU58814/80A patent/AU530121B2/en not_active Ceased
- 1980-06-13 YU YU01573/80A patent/YU157380A/xx unknown
- 1980-06-19 FR FR8013601A patent/FR2460093A1/fr active Granted
- 1980-06-20 DE DE3023046A patent/DE3023046C2/de not_active Expired
- 1980-06-30 GB GB8021337A patent/GB2054339B/en not_active Expired
- 1980-06-30 AR AR281603A patent/AR230547A1/es active
- 1980-07-01 IT IT49134/80A patent/IT1127503B/it active
- 1980-07-01 ES ES492970A patent/ES8101834A1/es not_active Expired

Also Published As

Publication number	Publication date
US4271910A (en)	1981-06-09
YU157380A (en)	1983-04-30
IT1127503B (it)	1986-05-21
AU5881480A (en)	1981-01-15
JPS6339202B2 (it)	1988-08-04
ES492970A0 (es)	1980-12-16
FR2460093A1 (fr)	1981-01-23
GB2054339B (en)	1983-02-23
GB2054339A (en)	1981-02-18
FR2460093B1 (it)	1984-10-19
JPS568604A (en)	1981-01-29
MX150209A (es)	1984-03-30
DE3023046C2 (de)	1985-08-14
DE3023046A1 (de)	1981-01-08
AR230547A1 (es)	1984-05-31
ES8101834A1 (es)	1980-12-16
CA1129707A (en)	1982-08-17
AU530121B2 (en)	1983-06-30

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