Seed opener with improved press wheel attachment

Details Seed opener with improved press wheel attachment Seed opener with improved press wheel attachment

A - Human Necessities

01

C

A01C 5/06 (2006.01)

Patent

CA 2299736

A seed opener attached to a seed drill has a trailing press wheel attached to a press wheel frame. The press wheel frame is pivotally attached to a seed opener frame, which, in turn, is pivotally attached to the seed drill main frame. The angle of attachment between the press wheel frame and the seed opener frame is adjustable to allow the press wheel to be used as a depth gauge for the opener blade or blades. Constant downward pressure is applied to the press wheel frame via a down pressure rod and spring extending between the press wheel frame and the drill frame. The use of down pressure on the press wheel frame allows the press wheel to maintain ground contact, with downward pressure, at all times, even when the opener blade (s) encounter an obstacle, thus improving seed distribution and germination. In addition, by placing downward pressure on the press wheel frame instead of the opener frame, the load on the opener blade (s) is minimized even when they encounter, and ride up and over, a fixed obstacle.

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