US PATENT SUBCLASS 280 / 43.17
.~.~.~ With actuator

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}
43.17.~.~.~ With actuator {6}
43.18  DF  .~.~.~.~> With resilient mounting for body
43.19  DF  .~.~.~.~> With flexible connection
43.2  DF  .~.~.~.~> Screw-jack type
43.21  DF  .~.~.~.~> Rack and pinion or ratchet type
43.22  DF  .~.~.~.~> Translating motion
43.23  DF  .~.~.~.~> Power operated

DEFINITION

Classification: 280/43.17

(under subclass 43) Vehicle comprising actuating means to vertically move the wheel means relative to the running gear.

SEE OR SEARCH THIS CLASS, SUBCLASS:

414.5, for an articulated vehicle wherein the trailing vehicle has a ground engaging wheel which is vertically movable with respect to the trailing vehicle frame.

SEE OR SEARCH CLASS

105, Railway Rolling Stock,

215.1+, for a railway truck having primary wheels and supplemental wheels to be moved to operative position at will.

172, Earth Working, 399, 400+, 407+, 414, 418+, and 423+ for an earth working element frame having a ground support which is vertically movable relative to the frame by an actuator.

254, Implements or Apparatus for Applying Pushing or Pulling Force,

418+, for raising and lowering landing gears on semi-trailers and for lifting vehicles off the ground and/or turning the vehicle about a given point.