Global Patent Index - EP 1428420 A8

EP 1428420 A8 2004-12-08 - Seed meter brushes forming a transport seed puddle

Title (en)

Seed meter brushes forming a transport seed puddle

Title (de)

Messsystem zum Abmessen von Saatgut

Title (fr)

Système doseur d'un semoir

Publication

EP 1428420 A8 (DE)

Application

EP 02102733 A

Priority

US 2158401 A

Abstract (en)

[origin: US2003111001A1] A seeding machine having a main seed hopper is in communication with a planting unit by a flexible tube. The planting unit has a horizontal working position and a vertical transport position. The main hopper supplies seed by gravity to the planting unit through the flexible tube. The planting unit is provided with a vacuum seed meter. The seed meter has a seed disc with a vacuum side and a working seed puddle side. An isolator brush, arranged in a chordal manner on the seed puddle side of the seed disc, defines the discharge area of the seed meter. A first brush intersecting the isolator brush extends downwardly and radially inward along the seed disc. The first brush, together with the isolator brush, defines boundaries of a transport seed puddle when the planting unit is pivoted into its vertical transport position. A second brush extends downwardly and radially inward along the seed disc. The first and second brushes define a seed return gap through which seed from the top of the seed meter can be returned to the working seed puddle.

IPC 1-7 (main, further and additional classification)

A01C 7/04

IPC 8 full level (invention and additional information)

A01C 7/04 (2006.01)

CPC (invention and additional information)

A01C 7/046 (2013.01); A01C 15/006 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

EPO simple patent family

US 2003111001 A1 20030619; US 6581533 B1 20030624; AR 037874 A1 20041209; BR 0205247 A 20040720; BR 0205247 B1 20100629; CA 2412929 A1 20030618; CA 2412929 C 20061003; EP 1428420 A1 20040616; EP 1428420 A8 20041208; EP 1428420 B1 20130116; ES 2403176 T3 20130516; HU 0204367 A2 20030828; HU 0204367 A3 20041228; HU 0204367 D0 20030228

INPADOC legal status


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2014-02-13 [REG DE R097] NO OPPOSITION FILED AGAINST GRANTED PATENT, OR EPO OPPOSITION PROCEEDINGS CONCLUDED WITHOUT DECISION

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2008-12-03 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20081029

2007-08-08 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: HAGEN, MATTHEW, BRIAN

2007-08-08 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: LODICO, JAMES, IRWIN

2005-03-09 [AKX] PAYMENT OF DESIGNATION FEES

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2004-06-16 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

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