Metering head for a sower
AssigneeWeyerhaeuser NR Company
InventorsRonnie Smith, Douglas Woodward
Life of this patent
Estimating the term…
Abstract
A metering head (20) for a sowing machine (22) is provided. The metering head includes a housing (40) and a metering disc (62) rotatably disposed within the housing. The metering disc includes a seed receptacle (78) substantially defining a perimeter of the metering disc and adapted to engage a seed (44) at any random position along the seed receptacle.
Claims20
A metering head for a sowing machine of the type having a seed hopper, a furrow opener and a furrow closer, the metering head comprising:
- (a) a housing;
- and
- (b) a metering disc rotatably disposed within the housing, the metering disc having a seed receptacle substantially defining a perimeter of the metering disc and adapted to engage a seed at any random position along the seed receptacle.
A metering head for a sowing machine of the type having a seed hopper, a furrow opener and a furrow closer, the metering head comprising:
- (a) a housing;
- and
- (b) first and second metering discs disposed within the housing, each of the first and second metering discs having a seed engagement surface substantially continuously formed around a perimeter of the first and second metering discs to randomly engage a seed.
A metering head for a sowing machine of the type having a seed hopper, a furrow opener and a furrow closer, the metering head comprising:
- (a) a housing having at least a first channel extending between an inlet port and an outlet port, the inlet port being in communication with the seed hopper for receiving a seed;
- and
- (b) a first metering disc having a perimeter and positioned within the housing to be in communication with the first channel, the first metering disc having a seed engagement surface substantially formed around the perimeter and positioned to engage the seed at any position on the seed engagement surface.
Dependencies are inferred from the claim text.