GRAIN GRINDER Russian patent published in 1999 - IPC

FIELD: agriculture. SUBSTANCE: grain grinder has housing accommodating plate-shaped disk. plate is secured on shaft for rotation and is provided with perforations over entire surface. Funnel-shaped branch pipe is installed inside plate coaxially with plate for displacement in vertical plane. Stops are provided from inner side of funnel-shaped branch pipe. End face surfaces of funnel-shaped branch pipe, stops and smaller base of plate are made riffled. Grain to be ground is delivered into space of branch pipe. With plate rotating, grain comes in engagement with riffled surface of plate base and secondary grinding is provided owing to contact of grain with riffled end face surface of branch pipe and stops. EFFECT: increased capacity of grinder owing to increased area of contact of grain and working surface. 2 cl, 5 dwg