US PATENT SUBCLASS 191 / 17
.~.~ Magnetic circuit controller


Current as of: June, 1999
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191 /   HD   ELECTRICITY: TRANSMISSION TO VEHICLES

14  DF  SECTIONAL CONDUCTOR {2}
*  DD  .~ Normally dead section {3}
17.~.~ Magnetic circuit controller {1}
18  DF  .~.~.~> Magnet on vehicle {1}


DEFINITION

Classification: 191/17

Means of the normally dead section type wherein the mechanism for energizing and deenergizing the sections is operated magnetically.

(1) Note. Most of the devices in this subclass involve an electromagnetically operated current controller whose magnet obtains current from the feeder when its section is energized by the collector bridging from the adjacent live section.