An apparatus and method for furrow opening using a disc

A - Human Necessities – 01 – B

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A01B 49/06 (2006.01) A01B 7/00 (2006.01) A01B 15/16 (2006.01) A01B 15/18 (2006.01) A01B 35/28 (2006.01) A01C 5/06 (2006.01) A01C 5/08 (2006.01) A01C 7/06 (2006.01)

Patent

CA 2539634

There is proposed a novel furrow opening apparatus (10) that includes toothed discs (12 and 14) that are able to penetrate the soil thereby creating a furrow (114). The teeth (20) of the apparatus (10) are configured to prevent hair pinning of plant material within the furrow (114). The edges of the teeth (20) slice any plant material as teeth (20) penetrate the soil. Uncut straw is wedged between the teeth (20) and broken by tension as the discs (12 and 14) diverge and any uncut straw is removed from the furrow (114) by teeth (20). Any soil and plant material that adheres to the teeth (20) is cleared by a scraper (48) and deposited back on the soil surface. The apparatus (10) may further include a seeding device (142) that is configured to follow the toothed discs (12 and 14) and create a seeding furrow (166).

L'invention concerne un nouvel appareil d'ouverture de sillon (10) comprenant des disques dentés (12 et 14) pouvant pénétrer dans le sol et créer ainsi un sillon (114). Les dents (20) de l'appareil (10) sont configurées pour empêcher la formation d'épingle à cheveux par la matière végétale dans le sillon (114). Les bords des dents (20) tranchent la matière végétale lorsque les dents (20) pénètrent dans le sol. La paille non coupée est coincée entre les dents (20) et cassée par tension lorsque les disques (12 et 14) s'écartent et la paille non coupée est enlevée du sillon (114) par les dents (20). La terre ou la matière végétale qui adhère aux dents (20) est éliminée par un racloir (48) et est déposée sur la surface du sol. Cet appareil (10) peut également comporter un dispositif de semis (142) configuré pour suivre les disques dentés (12 et 14) et créer un sillon de semis (166).

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