US PATENT SUBCLASS 198 / 781.02
.~.~.~ Friction drive slips or disengages

Current as of: June, 1999
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198 /   HD   CONVEYORS: POWER-DRIVEN

618  DF  CONVEYOR SECTION {26}
780  DF  .~ Live roll {9}
781.01  DF  .~.~ Live roll drive engages, disengages, or slips responsive to load position or blockage {2}
781.02.~.~.~ Friction drive slips or disengages {2}
781.03  DF  .~.~.~.~> Belt drive
781.04  DF  .~.~.~.~> Friction wheel drive

DEFINITION

Classification: 198/781.02

Friction drive slips or disengages:

(under subclass 781.01) Subject matter wherein the cylindrical motion transmitting device releases a motion transmitting force to the load conveying rollers via a coupling (e.g., friction clutch) breaking the motion transmitting force relative to one another in response to the overload caused by a desired load stoppage or weight.