US PATENT SUBCLASS 198 / 524
.~ Condition responsive

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

523  DF  CONVEYOR SYSTEM HAVING A GRAVITY CONVEYOR SECTION {11}
524.~ Condition responsive

DEFINITION

Classification: 198/524

(under subclass 523) Apparatus wherein the system includes means to sense a condition (or a change therein) which affects the operation of the system, and to cause a response thereto by one or more elements of the system.