US PATENT SUBCLASS 241 / 246
.~.~.~.~.~ Axially mounted rotary propeller or screw

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

*  DD  APPARATUS {41}
198.1  DF  .~ Cooperating comminuting surfaces (e.g., jaw crusher) {5}
220  DF  .~.~ Rotary surface (or surfaces) {2}
244  DF  .~.~.~ Axial or radial flow of material (e.g., disc mill, or cone and shell mill) {6}
245  DF  .~.~.~.~ With feed and/or discharge mechanism or control {2}
246.~.~.~.~.~ Axially mounted rotary propeller or screw {1}
247  DF  .~.~.~.~.~.~> Horizontal axis

DEFINITION

Classification: 241/246

(under subclass 245) Devices in which the feeding mechanism comprises a rotary propeller or screw conveyor mounted axially of the rotary comminuting member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

82.1+, for a rotary propeller, comminuting member and a perforated plate for passage of material feed by the propeller.

162+, for comminutors in which the axially mounted rotary screw feeder is provided with means to subject the material to a preliminary comminution.

SEE OR SEARCH CLASS

198, Conveyors: Power Driven,

425, 550.6, 550.10, 550.01, 513, 545, 548, 582, 608, 611+, 625, and 657+ for a screw conveyor. 222, Dispensing,

412+, for dispensers, per se, having screw propeller feeders.