Machine for applying pellets and powder

Claim 1

In a machine for applying material in the form of pellets and powder to the soil, having a reservoir with outlets for holding the material to be applied, wheels having ridges on the peripheral surface thereof and with base plates therebelow and rotated by a drive shaft at varying rates for distributing uniform volumes of the material, flowing out of the reservoir through the outlets, into exit pipes that communicate with a blower and that have outflow openings, the improvement wherein the ridges curved smoothly and are disposed one after the other in the direction of rotation of the wheels and the base plates are disposed at the bottom of the wheels, each base plate having an arcuate portion configured in accordance with the circumference of the wheel and disposed adjacent to the bottom of the wheel and further comprising scraping means disposed in engagement with the wheels for scraping out the depressions between the ridges of the wheels, the scraping means comprising U-shaped bent wires each having a front end and two legs and wherein the front end only is in contact with the wheel ridges and continuously follows the contour of the wheels to extend to the bottom of the depressions during rotation of the wheels.