US PATENT SUBCLASS 191 / 77
.~.~.~ Normally operative

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}
77.~.~.~ Normally operative {2}
78  DF  .~.~.~.~> Automatic
79  DF  .~.~.~.~> Rope-retracted {2}

DEFINITION

Classification: 191/77

(under subclass 72) Trolley guards and finders normally held in operative position but capable of being moved into an inoperative position.