device for scattering materials with an adjustable dosierorgan

摘要

The invention relates to a device for spreading distributable material, more particularly, fertilizer in granular or powdery form, said device comprising a hopper having at least one outlet port and a spreading member connected herewith and a dosing member to be adjusted for defining the passage of each outlet port, a control-mechanism moving the dosing member into a position in which the outlet port is closed or into the adjusted position; the invention has for its object to spread said material accurately and provides screw means operative between the dosing member and the control-mechanism for very sensitive adjustment said dosing member.