US PATENT SUBCLASS 180 / 6.3
.~.~.~ Fluid

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

6.2  DF  STEERING BY DRIVING {9}
6.24  DF  .~ Combined with manual steering {1}
6.26  DF  .~.~ Interlocked {3}
6.3.~.~.~ Fluid

DEFINITION

Classification: 180/6.3

(under subclass 6.26) Combined steering mechanisms in which the interlocked relation between the steering mechanisms is accomplished through the medium of a fluid pressure system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

6.44, for auxiliary fluid motors used to effect steering by driving.

6.48, for fluid traction motors that drive traction elements and are controlled to effect steering by driving.