US PATENT SUBCLASS 241 / 186.5
.~.~.~ Screw feed or discharge conveyor

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

*  DD  APPARATUS {41}
185.5  DF  .~ Rotary striking member with feed or discharge conveyor or regulator {5}
186.4  DF  .~.~ Rotating or oscillating feed or discharge conveyor {1}
186.5.~.~.~ Screw feed or discharge conveyor

DEFINITION

Classification: 241/186.5

Screw feed or discharge conveyor:

(under subclass 186.4) Apparatus wherein the material mover revolves about an axis passing through its center and is helically ribbed so that the rib functions to engage the material and transport that material along its axis.