US PATENT SUBCLASS 74 / 373
.~.~.~.~ Selective

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

640  DF  GEARING {31}
325  DF  .~ Interchangeably locked {11}
*  DD  .~.~ Slidable keys or clutches {3}
*  DD  .~.~.~ Single clutch shaft {3}
373.~.~.~.~ Selective {1}
374  DF  .~.~.~.~.~> Multiple key {1}

DEFINITION

Classification: 74/373

(under subclass 325) Transmissions wherein there are a plurality of manually operable slidable keys or clutches splined to a single shaft which are connected to each other by constant mesh gears, revoluble on the shafts, the gears being provided with a single key to selectively connect certain of the gears to their respective shafts.

SEE OR SEARCH THIS CLASS, SUBCLASS:

359, for selective, multiple clutch shaft, slidable key or clutch type interchangeably locked gearing.

366+, for single key, single clutch shaft, slidable key or clutch type interchangeably locked gearing.