US PATENT SUBCLASS 198 / 464.2
.~.~ Responsive to load presence or absence

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

463.1  DF  CONVEYOR SYSTEM FOR MOVING A SPECIFIC LOAD AS A SEPARATE UNIT {9}
464.1  DF  .~ System includes control means responsive to sensing means {2}
464.2.~.~ Responsive to load presence or absence {1}
464.3  DF  .~.~.~> Responsive to condition of at least one conveyor

DEFINITION

Classification: 198/464.2

Responsive to load presence or absence:

Apparatus under 464.1 wherein the detecting means is actuated by the existence or nonexistence of the load.