US PATENT SUBCLASS 74 / 375
.~.~.~.~.~.~ Spur gears

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  DF  .~.~.~.~ Selective {1}
374  DF  .~.~.~.~.~ Multiple key {1}
375.~.~.~.~.~.~ Spur gears

DEFINITION

Classification: 74/375

(under subclass 374) Transmissions wherein the gears of the transmission are spur gears.

SEE OR SEARCH THIS CLASS, SUBCLASS:

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

363, for progressive transmissions utilizing a single clutch shaft.

369+, for spur gear type, single key, single clutch shaft progressive, slidable clutch or key, interchangeably locked gearing.