US PATENT SUBCLASS 172 / 584
.~.~ Horizontally angularly adjustable group

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.~.~ Horizontally angularly adjustable group {9}
585  DF  .~.~.~> Groups of unequal length
586  DF  .~.~.~> More than two laterally positioned groups
587  DF  .~.~.~> Groups laterally spaced and unaligned
588  DF  .~.~.~> Hitch longitudinally movable on tongue and groups abreast
589  DF  .~.~.~> Turning connection offset from draft connection {1}
591  DF  .~.~.~> With manual actuator {3}
595  DF  .~.~.~> Double tandem groups
596  DF  .~.~.~> Tandem groups {1}
598  DF  .~.~.~> Thrust means directly between group axles

DEFINITION

Classification: 172/584

(under subclass 579) Apparatus comprising means for adjusting a group of said members in positions having a different angular relationship to adjacent structure in plan view.

(1) Note. For the meaning of "adjusting" see the class definition.

(2) Note. The gang may be adjusted due to a draft force, such as arises when making a turn or pulling the implement forward or pushing it rearward, or due to manual adjustment.