US PATENT SUBCLASS 241 / 84.2
.~.~.~ Travelling roll surface or member

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

*  DD  APPARATUS {41}
83  DF  .~ Comminuting surface provided with openings to permit discharge of material {4}
84  DF  .~.~ Cooperates with moving comminuting surface or member {6}
84.2.~.~.~ Travelling roll surface or member

DEFINITION

Classification: 241/84.2

(under subclass 84) Apparatus wherein the perforated surface cooperates with a tool which has compound movement in the form of rotation about an axis passing through the tool and concurrent lateral movement relative to the perforated surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

201+, for compound movement comminutor not provided with a perforated surface.