US PATENT SUBCLASS 241 / 273.3
.~.~ Cylindrical

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

*  DD  APPARATUS {41}
273.1  DF  .~ Multi-barbed comminuting face (e.g., grater) {3}
273.3.~.~ Cylindrical

DEFINITION

Classification: 241/273.3

(under subclass 273.1) Apparatus wherein the work-engaging part of the tool is the surface traced by one side of a rectangle rotated around the parallel side as an axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

84.2, for a travelling roller-like surface cooperating with a surface having discharge passageways.

280+, for a rotating cylindrical surface in an apparatus provided with means to force material toward such surface.