US PATENT SUBCLASS 280 / 236
.~.~.~ Reversing and power ratio change

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

29  DF  WHEELED {21}
200  DF  .~ Occupant propelled type {8}
210  DF  .~.~ With propulsion means {15}
236.~.~.~ Reversing and power ratio change {2}
237  DF  .~.~.~.~> Reversing
238  DF  .~.~.~.~> Shiftable clutch or gearing

DEFINITION

Classification: 280/236

(under subclass 210) Vehicles which have means for reversing the direction of drive or for varying the ratio of mechanical advantage between the power source and the wheel.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism, appropriate subclass, for change speed or reversing gearing.

475, Planetary Gear Transmission Systems or Components, for change-speed or reversing planetary transmission.