NZ201738A - Seed drill with narrow blade coulter;coulter bar urged down by two springs of different strength - Google Patents

Seed drill with narrow blade coulter;coulter bar urged down by two springs of different strength

Info

Publication number: NZ201738A
Authority: NZ; New Zealand
Prior art keywords: coulter; springs; seed drill; different strength; narrow blade
Prior art date: 1981-09-01

Application number

NZ20173882A

Inventor

A Dalton

Original Assignee

Bamlett Ltd A C

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.)

1981-09-01

Filing date

1982-08-27

Publication date

1985-09-13

1982-08-27 Application filed by Bamlett Ltd A C filed Critical Bamlett Ltd A C

1985-09-13 Publication of NZ201738A publication Critical patent/NZ201738A/en

Classifications

- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
- A01C7/201—Mounting of the seeding tools
- A01C7/205—Mounting of the seeding tools comprising pressure regulation means
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows

Landscapes

Life Sciences & Earth Sciences (AREA)
Soil Sciences (AREA)
Environmental Sciences (AREA)
Sowing (AREA)
Soil Working Implements (AREA)

NZ20173882A 1981-09-01 1982-08-27 Seed drill with narrow blade coulter;coulter bar urged down by two springs of different strength NZ201738A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB8126467		1981-09-01
GB08210829A GB2104761B (en)	1981-09-01	1982-04-14	Improvements in or relating to agricultural machinery

Publications (1)

Publication Number	Publication Date
NZ201738A true NZ201738A (en)	1985-09-13

Family

ID=26280613

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NZ20173882A NZ201738A (en)	1981-09-01	1982-08-27	Seed drill with narrow blade coulter;coulter bar urged down by two springs of different strength

Country Status (4)

Country	Link
AU (1)	AU547970B2 (en)
FR (2)	FR2517508A1 (en)
GB (2)	GB2104761B (en)
NZ (1)	NZ201738A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0201785B1 (en) *	1985-05-07	1990-04-04	Maschinenfabrik Rau GmbH	Combined agricultural machine
DK602186A (en) *	1986-12-15	1988-06-16	Thrige Agro As	drillshares
DE202012004337U1 (en) *	2012-04-28	2013-07-30	Paul Treffler	tine harrow

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE277201C (en) *
US1901300A (en) *	1932-02-06	1933-03-14	Edward E Greiner	Double run force feed grain distributor
FR857996A (en) *	1939-07-19	1940-11-13		Improvements to row seeders
US2885978A (en) *	1957-03-04	1959-05-12	Oscar E Miller	Subsoil planting plows
US3194323A (en) *	1963-09-16	1965-07-13	Zimmerman Clarence Robert	Adjustable spring regulator for furrow openers
FR1522789A (en) *	1967-05-11	1968-04-26	Int Harvester Co	Pull bar for agricultural seed drill
US4214537A (en) *	1977-03-29	1980-07-29	Massey-Ferguson Services N.V.	Grain drill furrow opening assembly
GB1593874A (en) *	1978-02-20	1981-07-22	Massey Ferguson Perkins Ltd	Seed or seed and fertilizer drills

1982
- 1982-04-14 GB GB08210829A patent/GB2104761B/en not_active Expired
- 1982-04-14 GB GB08300447A patent/GB2118414A/en not_active Withdrawn
- 1982-08-27 NZ NZ20173882A patent/NZ201738A/en unknown
- 1982-08-27 FR FR8214742A patent/FR2517508A1/en not_active Withdrawn
- 1982-08-31 AU AU87875/82A patent/AU547970B2/en not_active Ceased
1983
- 1983-04-27 FR FR8306904A patent/FR2523805A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
AU8787582A (en)	1983-03-10
GB2104761B (en)	1985-06-26
GB8300447D0 (en)	1983-02-09
FR2517508A1 (en)	1983-06-10
GB2104761A (en)	1983-03-16
GB2118414A (en)	1983-11-02
AU547970B2 (en)	1985-11-14
FR2523805A1 (en)	1983-09-30

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