Grain drill unit having seed firming wheel

Details Grain drill unit having seed firming wheel Grain drill unit having seed firming wheel

A - Human Necessities

01

C

A01C 5/00 (2006.01) A01C 5/06 (2006.01) A01C 7/20 (2006.01)

Patent

CA 2132008

A seed firming wheel assembly (66) is supported in close-coupled relationship with the rear portion of the paired discs (36, 38) of an opener (30) to gently press deposited seeds down into the bottom of a V-shaped trench formed by the discs (36, 38). The mounting arm (94) of the assembly (66) is configured in a manner to minimize the accumulation of mud and trash residue, while the wheel (130) itself may take the form of a solid, circular block of ultra-high-molecular-weight polyethylene with slick sides (218) to reduce soil adherence or a spoked, molded plastic wheel (118) having open spaces (134) between the spokes to permit soil pass-through.

Un ensemble roue d'ensemencement fixe (66) est soutenu en un accouplement serré avec la partie arrière de disques appariés (36, 38) d'un dispositif ouvreur (30) pour presser doucement les graines déposées au fond d'une tranchée en V formée par les disques (36, 38). Le bras de fixation (94) de l'ensemble (66) est configuré de manière à minimiser l'accumulation de boue et de résidus de déchets tandis que la roue (130) elle-même peut prendre la forme d'un bloc circulaire, solide de polyéthylène de masse moléculaire, ultra-élevée à faces lisses (218) afin de réduire l'adhérence au sol ou d'une roue à rayons en plastique moulé (118) comportant des espaces ouverts (134) entre les rayons pour permettre le passage de la terre.

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