US PATENT SUBCLASS 475 / 264
.~.~ Spring applied friction drive establishing means

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

254  DF  CONDITION RESPONSIVE CONTROL {7}
263  DF  .~ Overload release {1}
264.~.~ Spring applied friction drive establishing means {1}
265  DF  .~.~.~> Drive establishing means is friction brake

DEFINITION

Classification: 475/264

Spring applied friction drive establishing means:

(under subclass 263) Subject matter wherein a coupling, clutch* or brake* is utilized to establish a speed ratio* in a planetary transmission, such coupling, clutch* or brake* being of a non-positive, friction type and being engaged by a spring and disengaged in response to torque.

(1) Note. In disengaging the coupling, clutch* or brake* a second coupling, clutch* or brake* may or may not be engaged.

SEE OR SEARCH THIS CLASS, SUBCLASS:

140+, for a spring applied and fluid released clutch* or brake*

301, for a clutch* or brake* consisting of a helical spring.