Patent ID: 7568645
Filing Date: 2009-08-04
Classification: B02C

Abstract:
1. A beater for a rotary shredder, comprising: a cutting head having front and rear portions with cutting edges protruding outwardly at the front portion; the rear portion of the cutting head is formed having an inclined surface; a base body having a pivot bearing for pivoting to a rotor, said base body provided with front and rear sides; a support surface extending within the body between the front and rear sides and adapted to receive the rear portion of the cutting head; the support surface comprises interconnected front and rear recesses diposed within the base body along a longitudinal axis thereof; said front recess having an inclined surface configured for engaging and holding the inclined surface of the rear portion of the cutting head; and said rear recess axially extending from the front recess is formed having a pyramidal configuration.