US PATENT SUBCLASS 301 / 46
.~.~.~.~ Adjustable

Current as of: June, 1999
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301 /   HD   LAND VEHICLES: WHEELS AND AXLES

5.1  DF  WHEEL {21}
41.1  DF  .~ Traction increasing {5}
43  DF  .~.~ Projecting cleat {2}
45  DF  .~.~.~ Movable {2}
46.~.~.~.~ Adjustable {3}
48  DF  .~.~.~.~.~> Alternately projecting and retracting {1}
47  DF  .~.~.~.~.~> Supported by supplemental wheel attachment
50  DF  .~.~.~.~.~> Individually

DEFINITION

Classification: 301/46

(under subclass 45) Wheel wherein such movement permits adjustment by some control.

SEE OR SEARCH CLASS

172, Earth Working,

541, and 546 for a rolling earth working tool having projecting teeth or blades and means for adjusting the teeth or blades.