Importance

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Abstract

A bark shredder is disclosed for shredding bark and other waste wood products into small pieces. The shredder rotates in either direction unlike existing bark shredders which allows twice the normal operating time between servicing. The shredder has a casing defining a cylindrical working chamber with a top inlet and a bottom symmetrical outlet. A rotor is mounted axially in the chamber and a plurality of fixed shredding elements are attached to the casing in a circle at one level of the chamber intermediate the inlet and outlet, the fixed elements extend radially inwards. The rotor has a plurality of rotating shredding elements pivotally attached thereto and located above but adjacent to the fixed elements. The fixed and rotating elements are shaped to co-operate with each other to shred material in the chamber when the rotor is rotated in either direction.

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First Claim