Material reduction machine
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United States of America Patent
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Jul 22, 2014
Grant Date -
Jan 10, 2013
app pub date -
Jun 7, 2012
filing date -
Jul 7, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A material reduction machine includes a frame, a drum housing mounted to the frame, and a drum that is mounted for rotation within the drum housing. The drum includes a circumferential wall and a knife that is mounted on the drum. The machine includes a plurality of interchangeable belly bands, each of which is adapted to be removably attached to the frame so as to form a portion of the drum housing and to provide an inner surface that forms a belly band arc portion that is concentric with and of a larger diameter than the circumferential wall of the drum. A first interchangeable bellyband has a smooth inner surface, and a second interchangeable belly band has a plurality of flow interrupters spaced along its inner surface.
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