US PATENT SUBCLASS 191 / 83
.~.~.~.~ Automatic


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

45 R  DF  COLLECTORS {8}
50  DF  .~ Trolley {10}
72  DF  .~.~ Guards and finders {3}
82  DF  .~.~.~ Normally inoperative {2}
83.~.~.~.~ Automatic


DEFINITION

Classification: 191/83

(under subclass 82) Trolley guards and finders of the normally inoperative type which are automatically moved into the guarding or fishing position when the trolley leaves the conductor. Includes guards that are operated by undue pressure upon the trolley contact.