Patent ID: 6364227
Filing Date: 2002-04-02
Classification: B02C

Abstract:
An interlocking interchangeable interface element and rotor assembly for rotary commuting mills, comprising:at least two rotor bodies, a plurality of interchangeable interface element mounting cut-outs arranged substantially radially in said at least two rotor bodies and a plurality of peripheral mounting holes arranged to receive rotor body bundling means to hold said at least two rotor bodies fixedly against each-other and to prevent said plurality of interchangeable interface elements to exit from said interchangeable interface element mounting cut-outs, and a plurality of interchangeable interface elements arranged to be mountable in said interchangeable interface element mounting cut-outs, each of said plurality of interchangeable interface elements having: a substantially oblong and generally flat shape having parallel flat sides; a bottom end shaped to interlock with said interchangeable interface element mounting cut-outs; a leading edge facing the direction of rotation of the rotors; a trailing edge facing the side opposite to the direction of rotation; and where said interchangeable interface elements further have a bottom portion with a generally rounded surface arranged to cooperate with a generally rounded bottom portion of said interchangeable interface element mounting cutouts, a heel portion facing the direction of rotation and shaped to cooperate with a recess portion of said interchangeable interface element mounting cutouts so that during insertion of an individual interchangeable interface element in one said interchangeable interface element mounting cut-outs, by inserting said bottom portion first, the generally rounded surface is slidable past a protruding portion and into a relief recess portion of said interchangeable interface element mounting cut-outs, permitting said heel portion to clear said protruding portion and the interchangeable interface element to be seated with said bottom portion in said generally rounded bottom portion of said interchangeable interface element mounting cut-outs locking said individual interchangeable interface element from movement in a radial direction in said at least two rotor bodies, said plurality of interchangeable interface elements further having a first force absorbing surface, arranged on said trailing edge, and a second force absorbing surface, arranged on said leading edge, and interchangeable interface element securing fasteners, arranged to receive said rotor bundling means for securing said plurality of interchangeable interface elements to said at least two rotor bodies.