US PATENT SUBCLASS 172 / 574
.~ Plural disks with individual mount or axis

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

518  DF  ROLLING, ROTATING OR ORBITALLY MOVING TOOL {30}
574.~ Plural disks with individual mount or axis {2}
575  DF  .~.~> Touching disks
576  DF  .~.~> With interconnected means for adjusting a plurality of disks

DEFINITION

Classification: 172/574

(under subclass 518) Apparatus in which the rolling or rotating earth working element is generally a circular platelike member, and there are a plurality of such members, each of which is disclosed as having an individual axle or is disclosed as revolving about an individual axis, at least in one position of adjustment.

SEE OR SEARCH THIS CLASS, SUBCLASS:

685+, for plural tools of the nonrolling type.

SEE OR SEARCH CLASS

111, Planting,

164, for openers of this general type claimed in combination with planters.