US PATENT SUBCLASS 280 / 776-- .~.~.~ Including bias means maintaining steerable wheel and elongate surface engagement (e.g., furrow followers)

US PATENT SUBCLASS 280 / 776
.~.~.~ Including bias means maintaining steerable wheel and elongate surface engagement (e.g., furrow followers)

Current as of: June, 1999
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280 /	HD	LAND VEHICLES

29	DF	WHEELED {21}
80.1	DF	.~ Running gear {20}
771	DF	.~.~ Occupant steered {15}
776		.~.~.~ Including bias means maintaining steerable wheel and elongate surface engagement (e.g., furrow followers)

DEFINITION

Classification: 280/776

Including bias means maintaining steerable wheel and elongate surface engagement (e.g., furrow followers):

(under subclass 771) Apparatus in which there is provided means connected to a movable steering part for either urging or maintaining a steerable ground engaging wheel in engagement with elongate side wall or a rut, curb, or the like for steering the vehicle thereby (e.g., furrow followers).

SEE OR SEARCH THIS CLASS, SUBCLASS:

87.2, for another land vehicle of the occupant steered type which is adapted to follow a rut, curb, or the like, but wherein an additional wheel is provided for engaging such a surface feature, and see the search notes of that subclass (87.2) for related art in other classes.