US PATENT SUBCLASS 172 / 565
.~.~.~ Operating means moves parallel to disk gang axis

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

518  DF  ROLLING, ROTATING OR ORBITALLY MOVING TOOL {30}
558  DF  .~ With disk cleaning means {6}
563  DF  .~.~ Cleaners with common operator {2}
565.~.~.~ Operating means moves parallel to disk gang axis

DEFINITION

Classification: 172/565

(under subclass 563) Apparatus in which the disks have a common axis or generally parallel axes and the associated earth-removing means are moved toward or away from the disks by a common operating means which is movable in a direction generally parallel to the axis or axes of the disks.