US PATENT SUBCLASS 172 / 598
.~.~.~ Thrust means directly between group axles

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

518  DF  ROLLING, ROTATING OR ORBITALLY MOVING TOOL {30}
579  DF  .~ Plural groups of disks {5}
584  DF  .~.~ Horizontally angularly adjustable group {9}
598.~.~.~ Thrust means directly between group axles

DEFINITION

Classification: 172/598

(under subclass 584) Apparatus comprising a pair of groups positioned abreast and means acting directly between the axles of the groups or directly between the end disks to take the end thrust between the groups.