Disk furrow opener for seeders

Details Disk furrow opener for seeders Disk furrow opener for seeders

A - Human Necessities

01

C

A01C 5/06 (2006.01)

Patent

CA 2250378

This invention concerns a disk furrow opener including: a main disk (8; 108; 208; 308; 408) to cut a furrow (11) in the soil (10); a secondary disk (9; 109; 209; 309; 409; 509; 609) to keep the said furrow (11) open over a sufficient distance to deposit one or more seeds; a unit (7; 107; 207; 307; 407) supporting the said disks, which are mounted loose in rotation and inclined so that their peripheries meet in a zone (A) located in the lower front portion of the said furrow opener, which is designed to cut the furrow (11), characterized by the fact that provision is made on the main disk (8; 108; 208; 308; 408) and/or on the secondary disk (9; 109; 209; 309; 409; 509; 609) for a closing unit (31; 131; 231; 331; 431; 531) designed to close at least in the vicinity of zone (A), the crack existing between the said main disk (8; 108; 208; 308; 408) and the said secondary disk (9, 109; 209; 309; 409; 509; 609).

La présente invention concerne un soc à disques comportant: - un disque principal (8; 108; 208; 308; 408) pour creuser un sillon (11) dans le sol (10), - un disque secondaire (9; 109; 209; 309; 409; 509; 609) pour garder ledit sillon (11) ouvert sur une distance suffisante pour déposer une ou plusieurs graines, - un organe de soutien (7; 107; 207; 307; 407) supportant lesdits disques, lesquels sont montés libres en rotation et inclinés de manière que leurs périphéries se rejoignent dans une zone (A) localisée dans la partie avant basse dudit soc, qui sert à creuser le sillon (11), caractérisé en ce qu'il est prévu, sur le disque principal (8; 108; 208; 308; 408) et / ou sur le disque secondaire (9; 109; 209; 309; 409; 509; 609), un organe d'obturation (31; 131; 231; 331; 431; 531) destiné à obturer au moins dans le voisinage de la zone (A), la fente existant entre ledit disque principal (8; 108; 208; 308; 408) et ledit disque secondaire (9; 109; 209; 309; 409; 509; 609).

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