US PATENT SUBCLASS 241 / 91
.~.~ Rotating comminuting surface having openings

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}
91.~.~ Rotating comminuting surface having openings {2}
92  DF  .~.~.~> Radial comminuting face
93  DF  .~.~.~> Outer peripheral comminuting face

DEFINITION

Classification: 241/91

(under subclass 83) Apparatus in which the material is presented to rotary comminuting surface provided with passages for the material.

(1) Note. Most of the devices in this subclass comprise perforated rotating screen drums in which the material is tumbled or devices in which the material is presented to a nonradial, nonperipheral face.

SEE OR SEARCH THIS CLASS, SUBCLASS:

70+, for such devices in which there is provided a screen in addition to the comminuting surface which prevents the discharge of oversize material.

85, for devices in which rotary surfaces having openings cooperate with a moving surface.

SEE OR SEARCH CLASS 83, Cutting, appropriate subclasses relating to rotary cutters.

99, Foods and Beverages: Apparatus,

522, 603+ and 605+, for grain hullers having perforated surfaces.

144, Woodworking,

162.1+, for a wood slicer having similar structure.

209, Classifying, Separating, and Assorting Solids,

284, 299, and 303+, for rotating drum sifters.