US PATENT SUBCLASS 172 / 286
.~ Wheel on non-propelled device

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

278  DF  WITH WHEEL STEERING OR ACTUATOR FOR HORIZONTALLY ANGLING WHEEL AXIS {3}
286.~ Wheel on non-propelled device {4}
287  DF  .~.~> Wheel interconnected with tool
288  DF  .~.~> Plural interconnected relatively movable wheels {1}
290  DF  .~.~> Swinging axle
291  DF  .~.~> Wheel behind tool

DEFINITION

Classification: 172/286

(under subclass 278) Apparatus in which the said wheel is part of an implement frame which does not carry its own propelling means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

799, for a nonself-propelled vehicle with a scraper between front and rear supports and means for horizontally angling a ground wheel.

SEE OR SEARCH CLASS

280, Land Vehicles,

124.11+, for a land vehicle of general utility including a pivotally mounted axle or axle assembly providing resilient, shock absorbing support which may or may not include steering; subclasses 137.5+ for a land vehicle of general utility including a turnable axle lacking resilient, shock absorbing support; subclass 419 for a vehicle train including interconnected steering of the plural articulated vehicles; subclasses 442+ for a vehicle train including steering control of a following vehicle's wheel through articulative movement of the interconnecting draft member; or subclasses 771+ for a land vehicle of general utility including occupant operated steering.