US PATENT SUBCLASS 280 / 43.13
.~.~.~ Interconnecting means for adjusting wheels on different axles

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

29  DF  WHEELED {21}
638  DF  .~ Extensible {6}
43  DF  .~.~ Vertically adjustable wheels {8}
43.13.~.~.~ Interconnecting means for adjusting wheels on different axles {2}
43.14  DF  .~.~.~.~> With nonwheel means for engaging the supporting surface {1}
43.16  DF  .~.~.~.~> With means to vary distance between wheels

DEFINITION

Classification: 280/43.13

(under subclass 43) Vehicle in which a plurality of wheels are independently mounted on different axles and there are additional means interconnecting the wheels whereby they may be moved simultaneously vertically with respect to the running gear or so that the movement of one influences movement of the other, and there is an actuator for moving a wheel.

(1) Note. A structure comprising a single axle having a crank axle on each end with a wheel mounted on each crank axle is not considered to be a structure having wheels independently mounted on different axles.

SEE OR SEARCH THIS CLASS, SUBCLASS:

6.15+, for a land vehicle including means, interposed between the vehicle body, chassis, or frame and running gear thereof, for altering height or levelness of the vehicle body, chassis, or frame.

SEE OR SEARCH CLASS

172, Earth Working, 400+, for interconnected vertically movable ground supports for earth working element frames.