US PATENT SUBCLASS 198 / 781.05
.~.~.~ Live roll is driven by load sensor (e.g., trigger roller)

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}
781.05.~.~.~ Live roll is driven by load sensor (e.g., trigger roller) {6}
781.06  DF  .~.~.~.~> Sensor and drive interconnected by fluid or electric means
781.07  DF  .~.~.~.~> Positive gear drive
781.08  DF  .~.~.~.~> Friction wheel drive
781.09  DF  .~.~.~.~> Flat belt drive
781.1  DF  .~.~.~.~> O-Ring drive
781.11  DF  .~.~.~.~> Chain drive

DEFINITION

Classification: 198/781.05

Live roll is driven by load sensor (e.g., trigger roller):

(under subclass 781.01) Subject matter wherein the roll drive means is controlled by a device which detects the load.