US PATENT SUBCLASS 280 / 93.502
.~.~.~ Linkage

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

29  DF  WHEELED {21}
80.1  DF  .~ Running gear {20}
771  DF  .~.~ Occupant steered {15}
93.502.~.~.~ Linkage {7}
93.503  DF  .~.~.~.~> Auxiliary or redundant
93.504  DF  .~.~.~.~> Swinging axle or half-axle {1}
93.506  DF  .~.~.~.~> Differential steering
93.507  DF  .~.~.~.~> Idler arm {1}
93.51  DF  .~.~.~.~> Link member details (e.g., configuration, construction) {1}
93.512  DF  .~.~.~.~> Kingpin, steering knuckle, steering arm, or wheel carrier construction
93.513  DF  .~.~.~.~> Gearing arrangement {1}

DEFINITION

Classification: 280/93.502

Linkage:

(under subclass 771) Subject matter wherein the running gear provided with steering means operable by the occupant of the vehicle includes mechanical interconnecting elements for translating motion of a steering control manipulated by the occupant of the vehicle into pivoting movement of steerable road wheels for executing arcuate travel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

47.11, for a vehicle steered by an attendant located external to the vehicle rather than an occupant of the vehicle for other than a mere swinging axle.

47.34+, for a stable, handle-propelled vehicle which may or may not include steering means.

81.5, for a vehicle having multiple trucks including one which is occupant steered.

86.75+, for wheeled vehicle running gear provided with means enabling static adjustment of a spatial relationship of an axle or wheel upon the vehicle.

87.01+, for a coaster vehicle which may or may not include steering means. 87.1, for an occupant steered vehicle having steering means operable by the foot of an occupant.

89+, for checked steering means within an occupant steered vehicle.

91.1, for an occupant steered vehicle wherein four supporting wheels are each steered.

92, for an occupant steered vehicle wherein a single wheel is controlled.

98+, for a vehicle having running gear specially constructed to provide a small turning radius.

124.1+, for a suspension arrangement for resiliently, shock absorbingly supporting a vehicle body, chassis, or frame upon an axle or wheel, which axle or wheel may or may not be steerable. The superiority given to placement of the suspension arrangement subclasses prior to the occupant steered subclasses is due to the fact that the suspension arrangement provides for attaching and controlling movement of the axle or wheel relative to the vehicle body, chassis, or frame whereas the occupant steered feature is limited to pivotal motion about a single axis.

137.5+, for a vehicle having an articulated axle (i.e., swinging axle) lacking resilient, shock absorbing support that is controlled by a shaft or tongue which is neither disclosed or claimed as being a handle nor claimed in a combination defining an articulated vehicle train.

263+, for an occupant-propelled-type vehicle including steering means, noting the search notes appearing therein for additional relevant subclasses. Further, in accordance with the (2) Note of Class 280, subclass 200, motorcycle frames and running gear, without features causing classification in Class 180, Motor Vehicles, are included in these subclasses.

419, for articulated vehicles including interconnected steering of plural vehicles.

426, for an articulated semitrailer vehicle including steering by articulative movement therebetween.

442+, for articulated vehicles, not of semitrailer construction, including steering by articulative movement therebetween.

SEE OR SEARCH CLASS 180, Motor Vehicles,

79+, for a land vehicle either (a) proper for that class (Class 180) including guiding or steering means or (b) having power assisted guiding or steering means. Note also the

search notes appearing therein for additional relevant subclasses. Class 180 is superior to Class 280 in the class hierarchy.