US PATENT SUBCLASS 74 / 376
.~.~.~.~ Single speed forward and reverse


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}
376.~.~.~.~ Single speed forward and reverse {3}
377  DF  .~.~.~.~.~> Spur gears
378  DF  .~.~.~.~.~> Bevel gears
379  DF  .~.~.~.~.~> Bevel and idler gears


DEFINITION

Classification: 74/376

(under subclass 325) Miscellaneous transmissions comprising combinations of spur gears with either pulleys and belts or chains and sprockets and provided with manually operable slidable clutches mounted on a single shaft for clutching either the pulleys, the sprockets, or the gears thereto in order to provide either a single forward or a single reverse speed.

SEE OR SEARCH CLASS

192, Clutches and Power-Stop Control,

21, for reversing, gear controlled clutches.

474, Endless Belt Power Transmission Systems or Components, appropriate subclasses for a belt and pulley drive system.