US PATENT SUBCLASS 74 / 348
.~.~.~.~ Tumbler and cone

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  .~.~ Longitudinally slidable {5}
*  DD  .~.~.~ Single spur gear {1}
348.~.~.~.~ Tumbler and cone {1}
349  DF  .~.~.~.~.~> Multiple cone

DEFINITION

Classification: 74/348

Transmissions under Longitudinally slidable comprising a plurality of spur gears of varying diameters arranged on a single shaft in cone form, and a single slidable spur tumbler gear adapted to be progressively slid into mesh with the gears of the cone whereby either the tumbler, or any one of the cone gears, may be driven by the other in mesh therewith.

(1) Note. The teeth on the cone gears may be radially or spirally disposed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

341, for tumbler type spur gears longitudable slidable.