Single disc furrow opener with walking beam

Details Single disc furrow opener with walking beam Single disc furrow opener with walking beam

A - Human Necessities

01

C

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

Patent

CA 2615310

A furrow opener apparatus has an arm assembly adapted at a front end thereof for pivotal attachment to a seeder frame. A single disc is rotatably attached to the arm assembly about a disc axis at an angle to the travel. A walking beam is pivotally attached to the arm assembly rearward of the disc about a beam axis transverse to the travel direction. A bias element exerts a force on the arm assembly such that a downward bias force is exerted on the walking beam at the beam axis. A packer wheel is rotatably attached at a rear end of the walking beam, and a gauge wheel is rotatably attached at a front end of the walking beam. The gauge wheel is configured to roll along the ground adjacent to the leading face of the disc, and the packer wheel is configured to roll along the furrow.

L'invention porte sur un ouvre-sillon équipé d'un bras à son extrémité avant, lequel est conçu pour s'atteler sur le pivot du bâti d'un semoir. Le bras est muni d'un disque rotatif unique monté sur l'ensemble, et l'axe du disque est incliné par rapport à la course. Un balancier pivotant est monté sur le bras, derrière le disque, selon un axe de fléau transversal à la direction du déplacement. Un élément diagonal exerce une pression vers le bas sur le bras de telle sorte qu'une force latérale s'exerce sur le balancier dans l'axe du fléau. Une roue de tassage est montée à l'arrière du fléau et une roue de jauge à l'avant. La roue de jauge est conçue pour se déplacer sur le sol contre le bord d'attaque du disque, alors que la roue de tassage se déplace plutôt le long du sillon.

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