US PATENT SUBCLASS 191 / 20
.~.~ Mechanical 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}
20.~.~ Mechanical circuit controller {1}
21  DF  .~.~.~> Deformable conductor

DEFINITION

Classification: 191/20

Means of the normally dead section type in which the mechanisms for energizing and deenergizing the sections are mechanically operated by means of the collector or other operator carried by the vehicle.

SEE OR SEARCH CLASS

246, Railway Switches and Signals,

161, and 246 for trolley and car-actuated circuit closers, and 31.