METHODS OF AND DEVICE FOR CUTTING ICE AND COMPACTED SNOW Russian patent published in 2002 - IPC

FIELD: public services; cleaning of roads and streets. SUBSTANCE: according to method surface to be cleaned is exposed to action of cutting surfaces of tools secured by bases on working member. Rotation of working member is additionally combined with rocking of working member from center to periphery. Said device has working member with cutting tools rigidly secured by bases and forming cutting surface, and drive. Surface passing through tops of cutting tools forms cone with obtuse apex angle, and axis of drive is inclined to provide parallelism of cutting surface and surface to be cleaned. EFFECT: improved efficiency of ice and compacted snow cutting and reliability in service. 3 cl, 3 dwg