US PATENT SUBCLASS 74 / 412 R
.~ Directly cooperating gears

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

640  DF  GEARING {31}
412 R.~ Directly cooperating gears {8}
413  DF  .~.~> Parallel axes or shafts {1}
416  DF  .~.~> Intersecting axes {1}
422  DF  .~.~> Rack and pinion
420  DF  .~.~> Spur and bevel
421 R  DF  .~.~> Spur {1}
423  DF  .~.~> Bevel {1}
424.5  DF  .~.~> Spiral {4}
412 TA  DF  .~.~> Torque actuated safety devices

Unofficial Alpha Subclasses: R TA

DEFINITION

Classification: 74/412

(under subclass 640) Gearing consisting of two meshed gears mounted on shafts.

(1) Note. The mountings and housings for the gears may be

included in the claims.