US PATENT SUBCLASS 475 / 138
.~.~ With positive clutch or brake

Current as of: June, 1999
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475 /   HD   PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS

31  DF  FLUID DRIVE OR CONTROL OF PLANETARY GEARING {11}
116  DF  .~ Fluid controlled mechanical clutch or brake {12}
138.~.~ With positive clutch or brake {1}
139  DF  .~.~.~> And friction synchronizer

DEFINITION

Classification: 475/138

With positive clutch or brake:

(under subclass 116) Subject matter wherein a clutch* or brake* includes two parts each having teeth which are capable, of meshing, one with the other, to effect a positive, as opposed to a frictional connection therebetween.

(1) Note. The positive clutch* or brake* need not be fluid actuated to be found herein.