US PATENT SUBCLASS 310 / 123
.~.~.~.~.~.~ Friction brake

Current as of: June, 1999
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310 /   HD   ELECTRICAL GENERATOR OR MOTOR STRUCTURE

10  DF  DYNAMOELECTRIC {5}
40 R  DF  .~ Rotary {28}
114  DF  .~.~ Plural rotary elements {3}
115  DF  .~.~.~ Field and armature both rotate {2}
118  DF  .~.~.~.~ With interconnecting drive mechanism {3}
121  DF  .~.~.~.~.~ Mechanically controlled element {2}
123.~.~.~.~.~.~ Friction brake

DEFINITION

Classification: 310/123

(under subclass 121) Subject matter in which the mechanically controlled element is controlled by means of a friction brake.

SEE OR SEARCH THIS CLASS, SUBCLASS:

77, for similar subject matter.