Trash cleaning structure for a furrow opening device

A - Human Necessities – 01 – C

Patent

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A01C 5/06 (2006.01)

Patent

CA 2237228

A pair of angled disks supported by a four bar linkage from the upper end of theopener drawbar assembly clears trash from a narrow area in front of the opener. The four bar linkage has a virtual center located on or close to the center of the opener disk for good cleaning wheel tracking and for permitting the clearing disks to be spaced closely to the opener disk without interference between the disks. The clearing disks can rock vertically to follow ground contour and prevent excessive digging and soil movement. Shallow teeth on the disks also reduce soil penetration and soil disturbance.

Deux disques inclinés, soutenus par une liaison à quatre barres depuis l'extrémité supérieure de la barre d'attelage de l'ouvreur de sillon, dégagent les débris sur une étroite section à l'avant du disque rayonneur. La liaison comprend un centre virtuel situé sur le centre du disque rayonneur ou à proximité de ce dernier de façon à assurer un bon alignement de la roue de nettoyage et à permettre aux disques de dégagement d'être assez rapprochés du disque rayonneur sans lui toucher. Les disques de dégagement peuvent se déplacer à la verticale afin d'épouser les formes du sol et d'empêcher un creusage excessif et un déplacement de la terre. Des dents peu allongées, situées à la périphérie des disques, minimisent la pénétration de la terre. et son déplacement.

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