US PATENT SUBCLASS 241 / 149
.~.~.~.~ Vertical rectilinear movement

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

*  DD  APPARATUS {41}
134  DF  .~ Parallel material flow through plural comminuting zones {5}
139  DF  .~.~ All comminuting zones of cooperating surface type {3}
147  DF  .~.~.~ All comminuting zones of reciprocating surface type {2}
149.~.~.~.~ Vertical rectilinear movement {1}
150  DF  .~.~.~.~.~> Annularly mounted moving surfaces

DEFINITION

Classification: 241/149

(under subclass 147) Devices in which the reciprocation of the moving surfaces is in a vertical straight-line path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

165, for plural devices of this type arranged for series flow of material.

270+, for single devices of this type.

291, for plural mortar arrangements, per se.

SEE OR SEARCH CLASS

384, Bearings, 7+, for linear bearings for plurality of reciprocating stamp stems and no significant comminutor structure claimed.