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Application filed by Львовский Национальный Аграрный УниверситетfiledCriticalЛьвовский Национальный Аграрный Университет
Priority to UAU201015352UpriorityCriticalpatent/UA61585U/en
Publication of UA61585UpublicationCriticalpatent/UA61585U/en
A screw doser in which on surface of a shaft in its whole length at angle opposite by sign to the angle of winding of a screw spiral though equal to it by value a screw groove is provided, to this one a rigidly connected to the screw spiral round washer of movable support interacts with its lug.