Importance

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Abstract

A vacuum seed planter uses a single seed plate for planting multiple plots of seeds. The seed plate rotates through a seed chamber and uses vacuum pressure to pick up seeds to be planted, the seed chamber having an inlet passage for receiving seeds. A singulator dislodges excess seeds from the seed plate, and the excess seeds fall into an excess-seed compartment adjacent the seed chamber, the compartment having an outlet passage for evacuation of the excess seeds. A valve is movable between an operating position, in which the inlet passage communicates with a supply of seed and the outlet passage communicates with a vacuum source for evacuating excess seeds, and an evacuation position, in which the vacuum source is in communication with the inlet passage for evacuating the seeds in the seed chamber. Vacuum pressure on the seed plate can be maintained during evacuation of the seed chamber and excess-seed compartment.

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First Claim