US PATENT SUBCLASS 172 / 587
.~.~.~ Groups laterally spaced and unaligned

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}
587.~.~.~ Groups laterally spaced and unaligned

DEFINITION

Classification: 172/587

(under subclass 584) Apparatus comprising at least two groups of disks arranged in staggered relation with respect to each other on each side of the center line of the apparatus (e.g., the axis of a group of disks on one side of the center line does not intersect the center line at the same point as the axis of a group of disks on the other side of the center line).