US PATENT SUBCLASS 74 / 362
.~.~.~.~.~ Multiple key

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
362.~.~.~.~.~ Multiple key {1}
363  DF  .~.~.~.~.~.~> Spur {2}

DEFINITION

Classification: 74/362

(under subclass 325) Transmissions where there are a plurality of manually operable slidable keys or clutches splined to a single clutch shaft, the clutch shaft being connected to the other shafts of the transmission by constant mesh gears revoluble on the shafts, which shafts have clutch elements adapted to be engaged by the slidable keys or clutches to provide progressive change in gear ratios.