US PATENT SUBCLASS 180 / 421
.~.~ With condition modulated steering

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

400  DF  STEERING GEAR {8}
417  DF  .~ With fluid power assist {16}
421.~.~ With condition modulated steering {1}
422  DF  .~.~.~> With electrical control {1}

DEFINITION

Classification: 180/421

With condition modulated steering:

(under subclass 417) Subject matter wherein there is provided a means responsive either to (a) a condition of operation of the vehicle or (b) a change thereof for continuously and proportionally controlling the flow of pressure fluid to the motive means to compensate for the influence of the condition or change thereof in the guidance of the vehicle by the

operator.

SEE OR SEARCH THIS CLASS, SUBCLASS:

404, for devices which sense a condition and disable or indicate failure or malfunction of the power assist