US PATENT SUBCLASS 280 / 246
.~.~.~.~.~ Linkage and ratchet

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}
242.1  DF  .~.~.~ Hand propelled {4}
244  DF  .~.~.~.~ Oscillating lever {3}
246.~.~.~.~.~ Linkage and ratchet

DEFINITION

Classification: 280/246

(under subclass 244) Vehicles in which the lever is connected to the drive wheel by a link or linkage system with a ratchet or overrunning clutch interposed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

255, for foot operated mechanisms.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

142+, for mechanical movements of this type.