US PATENT SUBCLASS 74 / 372
.~.~.~.~.~.~.~ Sliding clutch operator

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}
369  DF  .~.~.~.~.~.~ Spur gears {3}
372.~.~.~.~.~.~.~ Sliding clutch operator

DEFINITION

Classification: 74/372

(under subclass 369) Transmissions comprising a plurality of spur gears loosely mounted on a hollow shaft, the gears meshing with cooperating spur gears fixed to a second shaft, and also comprising a member slidably mounted in the hollow shaft, the gears carrying clutches and the slidable member carrying means for operating the clutches to progressively connect any one of the gears to its shaft.