US PATENT SUBCLASS 241 / 82.1
.~ Helical pusher inside tube moves material toward perforated member

Current as of: June, 1999
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241 /   HD   SOLID MATERIAL COMMINUTION OR DISINTEGRATION

*  DD  APPARATUS {41}
82.1.~ Helical pusher inside tube moves material toward perforated member {5}
82.2  DF  .~.~> With means to vary particle coarseness
82.3  DF  .~.~> Wherein the perforated member is other than flat
82.4  DF  .~.~> With series of axially aligned rotary knife blades
82.5  DF  .~.~> With rotary knife before member {1}
82.7  DF  .~.~> With rotary knife after member

DEFINITION

Classification: 241/82.1

(under the class definition) Apparatus including a part having a shape that is generally cylindroidal, on the periphery of which is a ridge that circumscribes the cylindroid for a plurality of convolutions that are spaced from each other parallel to the centerline of the cylindroid, which part rotates within the confines of a casing and an element having a plurality of apertures that serve as passageways for the material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

246+, for a rotary propeller or screw feeding or discharge means.