US PATENT SUBCLASS 241 / 150
.~.~.~.~.~ Annularly mounted moving surfaces


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  DF  .~.~.~.~ Vertical rectilinear movement {1}
150.~.~.~.~.~ Annularly mounted moving surfaces


DEFINITION

Classification: 241/150

(under subclass 149) Apparatus in which there is provided three or more vertically reciprocating surfaces arranged in an annulus.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

56+, for axial cam devices for actuating vertically reciprocating members.