US PATENT SUBCLASS 180 / 280
.~.~ And causing operation of vehicle steering system

Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

271  DF  WITH MEANS FOR PROMOTING SAFETY OF VEHICLE, ITS OCCUPANT OR LOAD, OR AN EXTERNAL OBJECT {7}
274  DF  .~ Responsive to engagement of portion of perimeter of vehicle with external object {3}
280.~.~ And causing operation of vehicle steering system

DEFINITION

Classification: 180/280

And causing operation of vehicle steering system:

(under subclass 274) Vehicle wherein the response of the means results in the manipulation of the steering system of the vehicle for the purpose of altering its course of travel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

400+, especially 443, for a motor vehicle (e.g., an unattended lawn mower) having an impact-responsive steering system, but wherein the safety aspect of this subclass (280) is absent and wherein the capability of the vehicle for changing its course of travel as the result of contacting an obstruction (e.g., a guide) is essential to its normal operation.