US PATENT SUBCLASS 74 / 368
.~.~.~.~.~.~ Clutch and ratchet

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}
*  DD  .~.~.~.~ Progressive {2}
366  DF  .~.~.~.~.~ Single key {2}
368.~.~.~.~.~.~ Clutch and ratchet

DEFINITION

Classification: 74/368

(under subclass 366) Transmissions comprising a gear train connecting driving and driven shafts and a manually operable positive clutch for directly connecting the shafts, together

with a one-way clutch in the gear train which acts like a ratchet mechanism which permits the gear train to overrun when the shafts are directly coupled together.

SEE OR SEARCH THIS CLASS, SUBCLASS:

336+, for automatically controlled interchangeably locked gears.

337, for torque responsive interchangeably locked gears.