Importance

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Abstract

Agricultural machine embracing at least one drilling unit including a support device as well as a seed metering device. The drilling unit is movably connected with a structural member embraced by the agricultural machine. The seed metering device is fixedly connected with the support device of the drilling unit and the seed metering device includes a chamber for seeds arranged to be supplied with a positive pressure where the seed metering element constitutes a wall limiting the chamber and in which holes or recesses are arranged. The holes/recesses connect the chamber with the surroundings, with the purpose of, by the pressure difference developed hereby, attaching and transporting seeds at the holes/recesses of the seed metering element. A seed metering line has an inlet in the chamber, with the purpose of, by the positive pressure in the chamber, creating an air flow for the transportation of the seeds from the chamber through the seed metering line to a drill furrow.

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First Claim