US PATENT SUBCLASS 192 / 217.5
.~.~.~.~.~ Plural sprockets

Current as of: June, 1999
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192 /   HD   CLUTCHES AND POWER-STOP CONTROL

215  DF  TRANSMISSION AND BRAKE {7}
217  DF  .~ Velocipede {1}
217.1  DF  .~.~ Back-pedaling brake (e.g., coaster brake) {2}
217.3  DF  .~.~.~ Wheel hub {3}
217.4  DF  .~.~.~.~ With change-speed transmission {1}
217.5.~.~.~.~.~ Plural sprockets

DEFINITION

Classification: 192/217.5

Plural sprockets:

(under subclass 217.4) Subject matter wherein the device that transmits torque comprises a chain that can be shifted to one of a plurality of toothed discs.