Patent ID: 8479671

Claim:
A rotatable disk assembly for a seed meter to dispense individual seeds, the rotatable disk assembly comprising: a housing comprising a seed disk and defining an interior portion, the interior portion of the housing being in operable communication with a vacuum source, the seed disk including a plurality of circumferentially spaced seed apertures about a periphery thereof, wherein the plurality of seed apertures are operatively connected to the vacuum source; a substantially nonmagnetic backing disk member disposed within the housing and in communication with the vacuum source and defining a plurality of vacuum apertures on a first surface thereof; and a resilient disk member adjacent to the nonmagnetic backing disk at the first surface, comprising a plurality of magnetic portions wherein at least one of the plurality of magnetic portions is engageable with at least one of the plurality of spaced seed apertures of the seed disk when engaged with a magnetic source, and the at least one of the plurality magnetic portions configured to occlude the seed aperture and to disrupt communication between the at least one seed aperture and the vacuum source.