US PATENT SUBCLASS 172 / 558
.~ With disk cleaning means

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

518  DF  ROLLING, ROTATING OR ORBITALLY MOVING TOOL {30}
558.~ With disk cleaning means {6}
559  DF  .~.~> Rotatably mounted cleaning means
560  DF  .~.~> Cleaner for pair of converging disks
561  DF  .~.~> Cleaners for opposite sides of disk
562  DF  .~.~> Plural cleaners for single disk
563  DF  .~.~> Cleaners with common operator {2}
566  DF  .~.~> Spring biased toward disk

DEFINITION

Classification: 172/558

(under subclass 518) Apparatus comprising means to remove earth from a generally circular plate like rolling or rotating earth working element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

168, for a rolling or rotating tool for cutting or raising a furrow slice and a nonrolling adjacent moldboard for receiving the furrow slice and inverting or completing the inversion of the same.

220, for cleaning means for disks which are shifted for opposite throw for alternate right or left hand operation, the cleaning means being movable relative to the disk upon reversal of the disk.

547, for cleaners for rolling, rotating, or orbitally moving earth working elements having tines, blades or other discontinuous or angular periphery.

606, for cleaners for stationary-type implement.

SEE OR SEARCH CLASS 15, Brushing, Scrubbing, and General Cleaning, especially

236.01+, for disk cleaners which are not attachments on earth working apparatus.

280, Land Vehicles,

855+, for vehicles having wheel scrapers or cleaners.