US PATENT SUBCLASS 198 / 572
.~.~ By means responsive to presence or condition of load

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

570  DF  CONVEYING SYSTEM HAVING PLURAL POWER-DRIVEN CONVEYING SECTIONS {18}
571  DF  .~ With condition responsive control of a section {1}
572.~.~ By means responsive to presence or condition of load {1}
573  DF  .~.~.~> By overload sensing

DEFINITION

Classification: 198/572

(under subclass 571) Apparatus wherein the operation influencing means responds to things recited in either section (b) or section (c) of said subclass.

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505, for a system of plural conveyors in which the operation of a conveyor is controlled by means responsive to the weight of the load.

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53, Package Making,

52+, for package making apparatus having operation control means responsive to a condition of a package or its contents.