US PATENT SUBCLASS 172 / 594
.~.~.~.~ Double tandem groups

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}
591  DF  .~.~.~ With manual actuator {3}
594.~.~.~.~ Double tandem groups

DEFINITION

Classification: 172/594

(under subclass 591) Apparatus in which two groups are arranged substantially abreast with their longitudinal axes on substantially the same laterally extending line and two other similarly positioned groups are disposed behind the first two groups and thereby work substantially the same soil path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

592, for horizontally, angularly adjustable double tandem groups having concentric controls.