Patent ID: 6983903
Filing Date: 2006-01-10
Classification: B02C

Abstract:
1. A multifunctional shredder, comprising: a housing; a drive system including at least one motor; at least two shafts rotatably mounted within the housing and coupled to the drive system to enable the drive system to counter-drive the shafts in respective opposing rotational cutting directions; each of the shafts including positive cutter elements and negative cutter elements configured to cooperate to shred articles as the shafts are rotationally counter-driven by the drive system in the respective rotational cutting directions thereof; wherein the positive cutter elements on each shaft each have a positive cutter element body and positive cutting parts extending radially from the positive cutter element body and angled in the respective rotational cutting directions of the shafts, and wherein the negative cutter elements on each shaft each have a negative cutter element body and negative cutting parts extending radially from the negative cutter element body and angled opposite the respective rotational cutting directions of the shafts.