US PATENT SUBCLASS 180 / 230
.~.~.~ With change-speed means between motor and driven wheel

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

21  DF  SPECIAL WHEEL BASE {6}
218  DF  .~ Having only two wheels {1}
219  DF  .~.~ Arranged in tandem {10}
230.~.~.~ With change-speed means between motor and driven wheel

DEFINITION

Classification: 180/230

With change-speed means between motor and driven wheel:

(under subclass 219) Vehicle provided with means for receiving power from the motor at whatever speed the motor is operating and converting it to a different speed for driving a wheel (e.g., plural gear sets, a fluid torque converter, a belt and pulley arrangement, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

364+, for variable speed transmissions in combination with vehicles generally.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

640+, for nonplanetary transmissions.

474, Endless Belt Power Transmission Systems or Components, appropriate subclasses for means for controlling speed ratio in a belt and pulley drive system.

475, Planetary Gear Transmission Systems or Components, for planetary gear transmission.