GRINDING DEVICE Russian patent published in 1996 - IPC

FIELD: mechanical engineering. SUBSTANCE: device has housing 3 with feeding 1 and intaking 2 bunkers. Grinding members in the form of gear drives 6 and 7 are fastened inside housing on parallel disposed shafts 4 and 5. Half of teeth of each gear drive contact with interior surface of housing. Each tooth of gear drive has through transversal recesses along the whole length. In this case the recess width is equal to the width of cutting part of the tooth. One of device shafts is fixed immovably. EFFECT: facilitated manufacture. 2 dwg