US PATENT SUBCLASS 172 / 575
.~.~ Touching disks

Current as of: June, 1999
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172 /   HD   EARTH WORKING

518  DF  ROLLING, ROTATING OR ORBITALLY MOVING TOOL {30}
574  DF  .~ Plural disks with individual mount or axis {2}
575.~.~ Touching disks

DEFINITION

Classification: 172/575

(under subclass 574) Apparatus in which two of said platelike members touch each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

560, for touching disks provided with cleaning means.