Patent ID: 7172147

Claim:
A modular blade assembly for a cutter wheel comprising: a) a base mountable to the cutter wheel with at least one first recess in a surface of the base, each dimension of the at least one first recess measuring less than each corresponding dimension of the surface of the base in which the at least one first recess is disposed, a surface of the first recess having at least one first opening extending through at least a portion of the base for receiving a fastening means; b) a blade member with at least one second recess in a surface of the blade member, each dimension of the at least one second recess measuring less than each corresponding dimension of the surface of the blade member in which the at least one second recess is disposed, a surface of the second recess having at least one second opening extending through the blade member for receiving a fastening means; c) at least one aligning means intermediating between the base and the blade member, the at least one aligning means disposed in the at least one first recess and the at least one second recess and having at least one third opening for receiving a fastening means; and d) at least one fastening means for connecting the base, blade member, and the aligning means to form the modular blade assembly, one or more of the at least one fastening means extending through at least a portion of the base, the blade member, and the at least one aligning means via: the at least one first opening extending through at least a portion of the base; the at least one second opening extending through the blade member; and the at least one third opening located in the at least one aligning means.