Air pressure differential seed meter

摘要

A seed meter for a seeding machine has a housing and a seed metering member rotationally mounted to the housing. The metering member has a sidewall with a radially inner surface and a radially outer surface with the inner surface of the sidewall having an outwardly flared rim portion extending both radially outward and axially to an outer edge. The rim portion has a plurality of apertures extending through the sidewall. The metering member is oriented at an angle to the vertical such that an upper portion of the metering member extends beyond a lower portion of the metering member. This orientation allows a seed delivery system to extend into the interior of the metering member and cooperate with the overhanging inside thereof to remove seed therefrom.

主权项

1. A seed meter for a seeding machine comprising:
a housing; and a seed metering member rotationally mounted to the housing, the metering member having a base portion and a sidewall extending axially and radially outwardly from the base portion to define a concave inner surface and a convex outer surface, the sidewall terminating in an outer edge and the sidewall having a rim portion adjacent the outer edge, the rim portion having a plurality of apertures extending through the sidewall between the inner and outer surfaces for adhering seed to each aperture when the outer surface is exposed to a lower air pressure than the inner surface and the metering member is rotated about an axis to move the apertures and adhered seed along a circular path.