Torsional joint attachment for a seed planter

Details Torsional joint attachment for a seed planter Torsional joint attachment for a seed planter

A - Human Necessities

01

C

111/27

A01C 5/06 (2006.01) A01B 49/06 (2006.01) A01C 7/16 (2006.01) A01C 7/20 (2006.01)

Patent

CA 2023239

A seed drill machine of the type having a plurality of disk assemblies, and a torsion spring joint for connection of the disk assemblies to the frame of the machine. The machine is conventionally mounted on a pair of wheels and the disk assemblies can be raised and lowered relative to the whoels for travel from place to place in the raised position and for ground working in the lowered position. In the lowered position, the torsion spring joint biases the disk blades in penetrating engagement with the soil to form a furrow. The torsion joints include flexible, resilient type spring elements. The disk assembly is carried by an arm connected to the joint. The spring elements are prone to develop a permanent deflection when they are left under load for a period of time. Means are provided for adjusting the angular relationship of the disk assembly arms to the connecting joints to compensate for such deformation.

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