US PATENT SUBCLASS 180 / 256
.~.~.~ Means comprises rotatable shaft containing plural universal joints


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

252  DF  HAVING AT LEAST ONE WHEEL BOTH DRIVEN AND STEERABLE {4}
253  DF  .~ Steerable wheel has exclusive axis of pivot (i.e., stub-axle type) {1}
254  DF  .~.~ Including flexible, axially rotatable means having one portion fixed to vehicle and another portion pivotable with wheel for transmitting drive thereto {5}
256.~.~.~ Means comprises rotatable shaft containing plural universal joints {1}
257  DF  .~.~.~.~> Having at least one joint located on each side of axis of pivot


DEFINITION

Classification: 180/256

Means comprises rotatable shaft containing plural universal joints:

(under subclass 254) Vehicle wherein the means is a rotatable, elongated member having, within its length and exclusive of its extremities, for the purpose of rendering it flexible, two or more connections of the kind which are capable of receiving rotational movement along one axis and are further capable of accommodating changes in the angular relationship of one of those axes to the other.