US PATENT SUBCLASS 186 / 20
.~.~.~ Selective

Current as of: June, 1999
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186 /   HD   MERCHANDISING

35  DF  CUSTOMER SERVICE {4}
52  DF  .~ Store service {16}
19  DF  .~.~ Switches {1}
20.~.~.~ Selective {1}
21  DF  .~.~.~.~> Carrier returned

DEFINITION

Classification: 186/20

Mechanisms by which the carrier is directed to a particular branch along a track, the point of switching depending upon the configuration or size of the carrier. In some cases the switch is movable, in others immovable.

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3, 13, and 15.