US PATENT SUBCLASS 180 / 9.62
.~.~.~ Toothed wheel drive

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

7.1  DF  SPECIAL DRIVING DEVICE {6}
9  DF  .~ Portable track {2}
9.1  DF  .~.~ Endless, flexible {12}
9.62.~.~.~ Toothed wheel drive {1}
9.64  DF  .~.~.~.~> Belt or chain driven

DEFINITION

Classification: 180/9.62

(under subclass 9.1) Motor vehicles wherein the track is driven by means of a wheel provided with track engaging teeth along the periphery thereof.

SEE OR SEARCH CLASS

305, Wheel Substitutes for Land Vehicles,

195+, for specific interengaging means between a track and its driving sprocket.